CN211605328U

CN211605328U - Soft-package battery core and soft-package battery comprising same

Info

Publication number: CN211605328U
Application number: CN202020050101.0U
Authority: CN
Inventors: 李良彬; 肖海燕; 顾勇平; 刘晓伟; 刘祥郡; 祝洪根; 董水金
Original assignee: Xinyu Ganfeng Electronics Co Ltd
Current assignee: Xinyu Ganfeng Electronics Co Ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-09-29
Anticipated expiration: 2030-01-10

Abstract

The utility model discloses a soft-packaged electrical core and contain laminate polymer battery of this electric core, wherein soft-packaged electrical core includes wire group, first insulating cover, the insulating cover of second, first utmost point ear, second utmost point ear and electric core body, wire group includes first wire and second wire, the stiff end of first wire with the free end of first utmost point ear is fixed, the stiff end of second wire with the free end of second utmost point ear is fixed, the stiff end of first utmost point ear with the stiff end of second utmost point ear respectively with electric core body is fixed, first insulating cover with the cladding of all buckling of the insulating cover of second is in first utmost point ear with in the periphery of second utmost point ear, the free end of first wire outwards freely extends, the free end of second wire freely extends. The utility model discloses a soft-packaged electrical core simple structure, practicality are strong, the security is good and can effectively promote product value.

Description

Soft-package battery core and soft-package battery comprising same

Technical Field

The utility model relates to a battery technical field especially relates to a soft-packaged electrical core.

The utility model discloses still relate to a take above-mentioned soft-packaged electrical core's laminate polymer battery.

Background

At present, lithium ion power batteries have the advantages of high specific energy, high cycle frequency, long storage time and the like, are not only often used in portable electronic devices such as mobile phones, digital video cameras and notebook computers, but also are increasingly used in large and medium-sized electric devices such as electric automobiles, electric bicycles and electric tools, and therefore, the performance requirements on the lithium ion power batteries are higher and higher.

To laminate polymer battery, receive market welcome with characteristics such as its design is simple, safety, energy density height, but prior art laminate polymer battery contains electrolyte in its laminate polymer battery core is inside, and utmost point ear stretches out from laminate polymer battery core's plastic-aluminum film layer, and produced burr pierces through the plastic-aluminum film layer easily and takes place the risk of weeping when the utmost point ear takes place to buckle, and electrolyte has probably to corrode the shell, and then leads to shell attenuation weeping, and the security reduces. And because the laminate polymer battery is often used on portable electronic equipment, if electrolyte that leaks when using alone directly contacts with the human body, even the capacity when using in large-scale electrical equipment such as electric automobile face is great, in case take place above-mentioned phenomenon, often can cause great injury to the human body, the major incident appears.

In the soft package battery core, the tab is fixed with the aluminum plastic film layer and is used, so that the tab is exposed and the appearance is influenced.

Disclosure of Invention

The utility model relates to a solve not enough among the prior art and accomplish, the utility model aims at providing a simple structure, practicality are strong, the security is good and can effectively promote the soft-packaged electric core of product value.

The utility model discloses a soft package battery cell, which comprises a lead group, a first insulating sleeve, a second insulating sleeve, a first pole ear, a second pole ear and a battery cell body, wherein the lead group comprises a first lead and a second lead, the fixed end of the first lead is fixed with the free end of the first pole ear, the fixed end of the second lead is fixed with the free end of the second pole ear, the fixed end of the first pole ear and the fixed end of the second pole ear are respectively fixed with the battery cell body, the first insulating sleeve is arranged at the fixed connection part of the first lead and the first pole ear, the second insulating sleeve is arranged at the fixed connection part of the second lead and the second pole ear, the free end of the first lead is freely extended outwards from the side part of a first cavity formed by the first insulating sleeve in half-folding manner, the free end of the second lead is freely extended outwards from the side part of a second cavity formed by the second insulating sleeve in half-folding manner, the battery cell body is cylindrical or square.

The utility model discloses a soft-packaged electrical core can also be:

the cladding is established to first insulating cover the periphery of first utmost point ear free end, first insulating cover with first utmost point ear is in it is equipped with first winding portion to roll up in the periphery of electric core body, the stiff end of first wire is located first winding portion center just the free end of first wire by the outside free extension in side of first winding portion.

The cladding is established to the insulating cover of second cover the periphery of second utmost point ear free end, the insulating cover of second with the second utmost point ear is in the periphery of electricity core body is rolled up and is equipped with second winding part, the stiff end of second wire is located second winding part center just the free end of second wire by the outside free extension in side of second winding part.

The electric core body includes the plastic-aluminum rete, lower plastic-aluminum rete and electrolyte, go up the plastic-aluminum rete with sealed hot pressing formula fixed connection between the plastic-aluminum rete edge down, electrolyte fills to be located go up the plastic-aluminum rete with the plastic-aluminum rete encloses to establish the cavity that forms down, first utmost point ear with go up the plastic-aluminum rete with the overlapping position department on plastic-aluminum rete down with go up the plastic-aluminum rete with the plastic-aluminum rete is fixed down three laminars, the second utmost point ear with go up the plastic-aluminum rete with the overlapping position department on plastic-aluminum rete down with go up the plastic-aluminum rete with the plastic-aluminum rete is fixed down three laminars.

Go up the outward extension of plastic-aluminum rete periphery and be provided with the extension layer, the outer extension of plastic-aluminum rete periphery is provided with down the extension layer down, go up the extension layer with the sealed hot pressing formula of extension layer is fixed and is equipped with the decorative pattern banding down, the decorative pattern banding is followed the straight flange of electric core body extends to the top or the bottom of electric core body, first utmost point ear with the junction of first wire with the second utmost point ear with the junction of second wire all set up in the decorative pattern banding with between the electric core body.

This internal coiling piece of locating the center of book that is provided with of electric core, the top and the bottom of coiling piece respectively with go up the plastic-aluminum rete with the plastic-aluminum rete closely laminates down, the stiff end of first utmost point ear with the equal fixed connection of second utmost point ear stiff end in on the coiling piece.

The utility model discloses a soft package battery cell, which comprises a lead group, a first insulating sleeve, a second insulating sleeve, a first pole ear, a second pole ear and a battery cell body, wherein the lead group comprises a first lead and a second lead, the fixed end of the first lead is fixed with the free end of the first pole ear, the fixed end of the second lead is fixed with the free end of the second pole ear, the fixed end of the first pole ear and the fixed end of the second pole ear are respectively fixed with the battery cell body, the first insulating sleeve is arranged at the fixed connection part of the first lead and the first pole ear, the second insulating sleeve is arranged at the fixed connection part of the second lead and the second pole ear, the free end of the first lead is freely extended outwards from the lateral part of the first cavity, the free end of the second lead is freely extended outwards from the lateral part of the second cavity, the battery cell body is cylindrical or square. Therefore, the battery cell body is cylindrical, so that the space occupied by the battery cell body is small, and the space is saved. The first tab and the second tab are arranged on the cell body at intervals, the first tab and the second tab can be symmetrically arranged on two sides of the cell body, or can be asymmetrically arranged on the cell body, and finally the fixed end of the first tab and the fixed end of the second tab are connected with the cell body, the free end of the first tab and the free end of the second tab are respectively connected and fixed with the fixed end of the first wire and the fixed end of the second wire, the first tab and the first wire are wrapped on the periphery of the joint of the first tab and the first wire after being folded, that is, the free end of the first tab and the fixed end of the first wire are clamped in the first cavity formed after being folded, and the second tab and the second wire are wrapped on the periphery of the joint of the second tab and the second wire after being folded, the free end of the second tab and the fixed end of the second wire are fixed and then are clamped in the second cavity formed after the second insulating sleeve is folded in half, so that the danger of liquid leakage caused by the fact that the battery cell body is punctured by burrs on the first tab and the second tab is prevented. And first utmost point ear with the junction of first wire with the second utmost point ear with the junction of second wire exposes and can influence beautifully, first insulating cover will the free end of first utmost point ear with the stiff end of first wire is wrapped up completely, the second insulating cover will the free end of second utmost point ear with the stiff end of first wire is wrapped up completely, has prevented that these joints or the small and big irregularity from exposing and influence beautifully. The utility model discloses a soft-packaged electrical core is, for prior art's advantage: simple structure, practicality are strong, the security is good and can effectively promote product value.

Another object of the utility model is to provide a simple structure, practicality are strong, the security is good and can effectively promote the laminate polymer battery of product value.

The utility model discloses a soft package battery, which comprises an injection molding layer, a shell and a soft package battery core, wherein the soft package battery core comprises a lead group, a first insulating sleeve, a second insulating sleeve, a first lug, a second lug and a battery core body, the lead group comprises a first lead and a second lead, the fixed end of the first lead is fixed with the free end of the first lug, the fixed end of the second lead is fixed with the free end of the second lug, the fixed end of the first lug and the fixed end of the second lug are respectively fixed with the battery core body, the first insulating sleeve is arranged at the fixed connection part of the first lead and the first lug, the second insulating sleeve is arranged at the fixed connection part of the second lead and the second lug, the free end of the first lead is freely extended outwards from the side part of the first cavity, and the free end of the second lead is freely extended outwards from the side part of the second cavity, the electric core body is cylindric or square, the sealed joint in of periphery on the layer of moulding plastics in the interior week of shell, the sealed joint in of interior week on the layer of moulding plastics in the periphery of flexible-package electricity core, the layer of moulding plastics with the shell encloses to be established and is formed with and holds the cavity of flexible-package electricity core, flexible-package electricity core holds in the cavity, flexible-package electricity core's top and bottom respectively with the layer of moulding plastics with the shell closely laminates, the free end of first wire with the second wire free end is followed respectively the layer of moulding plastics is worn out.

The utility model discloses a laminate polymer battery can also be:

the injection molding layer is provided with a first through hole and a second through hole, and the free end of the first lead and the free end of the second lead respectively penetrate out of the first through hole and the second through hole.

The housing is made of stainless steel material.

The injection molding layer is made of hot melt adhesive.

The utility model discloses a soft package battery, which comprises an injection molding layer, a shell and a soft package battery core, wherein the soft package battery core comprises a lead group, a first insulating sleeve, a second insulating sleeve, a first lug, a second lug and a battery core body, the lead group comprises a first lead and a second lead, the fixed end of the first lead is fixed with the free end of the first lug, the fixed end of the second lead is fixed with the free end of the second lug, the fixed end of the first lug and the fixed end of the second lug are respectively fixed with the battery core body, the first insulating sleeve is arranged at the fixed connection part of the first lead and the first lug, the second insulating sleeve is arranged at the fixed connection part of the second lead and the second lug, the free end of the first lead is freely extended outwards from the side part of the first cavity, and the free end of the second lead is freely extended outwards from the side part of the second cavity, the electric core body is cylindric or square, the sealed joint in of periphery on the layer of moulding plastics in the interior week of shell, the sealed joint in of interior week on the layer of moulding plastics in the periphery of flexible-package electricity core, the layer of moulding plastics with the shell encloses to be established and is formed with and holds the cavity of flexible-package electricity core, flexible-package electricity core holds in the cavity, flexible-package electricity core's top and bottom respectively with the layer of moulding plastics with the shell closely laminates, the free end of first wire with the second wire free end is followed respectively the layer of moulding plastics is worn out. Thus, the first tab and the second tab are arranged on the cell body at an interval, the first tab and the second tab can be symmetrically arranged on two sides of the cell body, or asymmetrically arranged on the cell body, and finally the fixed end of the first tab and the fixed end of the second tab are both connected with the cell body, the free end of the first tab and the free end of the second tab are respectively connected and fixed with the fixed end of the first wire and the fixed end of the second wire, the first insulating sleeve is folded and then covers the periphery of the joint of the first tab and the first wire, that is, the free end of the first tab and the fixed end of the first wire are both clamped in the first cavity formed after the first insulating sleeve is folded, and the second insulating sleeve is folded and then covers the periphery of the joint of the second tab and the second wire, the free end of the second tab and the fixed end of the second wire are fixed and then are clamped in the second cavity formed after the second insulating sleeve is folded in half, so that the danger of liquid leakage caused by the fact that the battery cell body is punctured by burrs on the first tab and the second tab is prevented. And first utmost point ear with the junction of first wire with the second utmost point ear with the junction of second wire exposes and can influence beautifully, first insulating cover will the free end of first utmost point ear with the stiff end of first wire is wrapped up completely, the second insulating cover will the free end of second utmost point ear with the stiff end of first wire is wrapped up completely, has prevented that these joints or the small and big irregularity from exposing and influence beautifully. Then will laminate polymer battery core puts into in the cavity of shell, make laminate polymer battery core's bottom and periphery with the inner wall of shell closely laminates, then will the layer of moulding plastics is fixed in laminate polymer battery core's top and with laminate polymer battery core closely laminates, the free end of first wire with the free end of second wire is all followed the layer of moulding plastics stretches out, and the laminate polymer battery who makes has both prevented because first utmost point ear with the burr of second utmost point ear punctures the danger that the electric core body produced the weeping has formed the shape of rule in addition in appearance, has increased laminate polymer battery's aesthetic property and then has effectively promoted product value. The utility model discloses a laminate polymer battery is, for prior art's advantage: simple structure, practicality are strong, the security is good and can effectively promote product value.

Drawings

Fig. 1 the utility model relates to a soft-packaged electrical core embodiment a schematic diagram.

Fig. 2 the utility model relates to a soft-packaged electrical core picture 1A-A section view.

Fig. 3 the utility model relates to a two schematic diagrams of soft-packaged electrical core embodiment.

Fig. 4 the utility model relates to a soft-packaged electrical core picture 3B-B section view.

Fig. 5 the utility model relates to a laminate polymer battery explosion schematic diagram.

Description of the figures

1 … first lead 2 … second lead 3 … cell body

4 … first insulating sheath 5 … second insulating sheath 6 … aluminum plastic film layer

7 … lower aluminum plastic film layer 8 … first tab 9 … second tab

10 … tab glue 11 … pattern sealed edge 12 … first winding part

13 … second winding 14 … winding member 15 … injection molded layer

16 … housing 17 … first through hole 18 … second through hole

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The following describes a soft-packaged battery cell and a soft-packaged battery containing the same in detail with reference to fig. 1 to 5 of the drawings.

The utility model relates to a soft package battery cell, please refer to each relevant diagram in fig. 1 to 5, which comprises a lead group, a first insulating sleeve 4, a second insulating sleeve 5, a first tab 8, a second tab 9 and a battery cell body 3, wherein the lead group comprises a first lead 1 and a second lead 2, the fixed end of the first lead 1 is fixed with the free end of the first tab 8, the fixed end of the second lead 2 is fixed with the free end of the second tab 9, the fixed end of the first tab 8 and the fixed end of the second tab 9 are respectively fixed with the battery cell body 3, the first insulating sleeve 4 is sleeved at the fixed connection part of the first lead 1 and the first tab 8, the second insulating sleeve 5 is sleeved at the fixed connection part of the second lead 2 and the second tab 9, the free end of the first lead 1 extends outwards and freely from the side part of the first cavity, the free end of the second lead 2 extends outwards and freely from the side part of the second cavity, and the battery cell body 3 is cylindrical or square. Like this, electric core body 3 is cylindricly, makes electric core body 3 shared space is little, has saved the space. The first tab 8 and the second tab 9 are disposed on the cell body 3 at an interval, the first tab 8 and the second tab 9 can be disposed on two sides of the cell body 3 symmetrically or disposed on the cell body 3 asymmetrically, and finally the fixed end of the first tab 8 and the fixed end of the second tab 9 are both connected to the cell body 3, the free end of the first tab 8 and the free end of the second tab 9 are respectively connected to the fixed end of the first lead 1 and the fixed end of the second lead 2, the first insulating sleeve 4 is folded and then wrapped on the periphery of the joint of the first tab and the first lead, that is, the free end of the first tab 8 and the fixed end of the first lead 1 are both clamped in the first cavity formed by folding and folding the first insulating sleeve 4, the insulating cover of second 5 fifty percent discount back cladding be in the second utmost point ear with on the periphery of the junction of second wire, be about to all press from both sides after the free end of second utmost point ear 9 is fixed with the fixed end of second wire 2 and establish in the insulating cover of second 5 fifty percent discount forms in the second cavity, just so prevented first utmost point ear 8 with burr on the second utmost point ear 9 will the weeping danger that the emergence was punctureed to electric core body 3. And first utmost point ear with the junction of first wire with the second utmost point ear with the junction of second wire exposes and can influence beautifully, first insulating cover 4 will the free end of first utmost point ear 8 with the stiff end of first wire 1 is wrapped up completely, second insulating cover 5 will the free end of second utmost point ear 9 with the stiff end of first wire 1 is wrapped up completely, has prevented that these joints or the small and big irregularity from exposing and influence beautifully. The utility model discloses a soft-packaged electrical core is, for prior art's advantage: simple structure, practicality are strong, the security is good and can effectively promote product value.

The utility model discloses a soft-packaged electrical core please refer to in FIG. 1 to FIG. 5 each relevant picture, can also be on the basis of preceding technical scheme: the cladding is established to first insulating cover 4 cover the periphery of first utmost point ear 8 free end, first insulating cover 4 with first utmost point ear 8 is in the periphery of electricity core body 3 is rolled up and is equipped with first winding portion 12, the stiff end of first wire 1 is located first winding portion 12 center just the free end of first wire 1 by the outside free extension in side of first winding portion 12. Like this, the stiff end of first wire 1 with the free end of first utmost point ear 8 is fixed, the cladding is established to first insulating cover 4 cover the periphery of first utmost point ear 8 free end, simultaneously first insulating cover 4 also will the stiff end of first wire 1 with the free end cladding of first utmost point ear 8 is in the same place, then will first insulating cover 4 to the periphery of electric core body 3 is curled up and is formed first coiling portion 12, and then first utmost point ear 8 with first wire 1 with electric core body 3 has separated the one deck again first insulating cover 4 has consequently prevented first utmost point ear 8 with the burr of first wire 1 pierces electric core body 3 and takes place the weeping.

The utility model discloses a soft-packaged electrical core please refer to in FIG. 1 to FIG. 5 each relevant picture, can also be on the basis of preceding technical scheme: the cladding is established to second insulating cover 5 cover the periphery of second utmost point ear 9 free end, second insulating cover 5 with second utmost point ear 9 is in the periphery of electricity core body 3 is rolled up and is equipped with second winding part 13, the stiff end of second wire 2 is located second winding part 13 center just the free end of second wire 2 by the outside free extension in side of second winding part 13. Like this, the stiff end of second wire 2 with the free end of second utmost point ear 9 is fixed, 5 covers of second insulating cover establish the cladding in the periphery of the free end of second utmost point ear 9, simultaneously second insulating cover 5 also will the stiff end of second wire 2 with the free end cladding of second utmost point ear 9 is in the same place, then will second insulating cover 5 to the periphery of electricity core body 3 is curled up and is formed second winding part 13, and then second utmost point ear 9 with second wire 2 with electricity core body 3 has separated the one deck again second insulating cover 5, consequently has prevented second utmost point ear 9 with the burr of second wire 2 pierces through electricity core body 3 and takes place the weeping.

The utility model discloses a soft packet of electricity core please refer to relevant each picture in figure 1 to figure 5, electricity core body 3 includes plastic-aluminum rete 6, lower plastic-aluminum rete 7 and electrolyte, go up plastic-aluminum rete 6 with sealed hot pressing formula fixed connection between 7 edges of plastic-aluminum rete down, electrolyte fills and locates go up plastic-aluminum rete 6 with plastic-aluminum rete 7 encloses down in establishing the cavity that forms, first utmost point ear 8 with go up plastic-aluminum rete 6 with the overlapping position department of plastic-aluminum rete 7 down with go up plastic-aluminum rete 6 with plastic-aluminum rete 7 three laminars is fixed down, second utmost point ear 9 with go up plastic-aluminum rete 6 with the overlapping position department of plastic-aluminum rete 7 down with go up plastic-aluminum rete 6 with plastic-aluminum rete 7 three laminars is fixed down. Like this, go up plastic-aluminum rete 6 with enclose between the plastic-aluminum rete 7 down and establish and form the cavity and this cavity wholly is cylindricly, fill in the cavity electrolyte will electrolyte sets up go up plastic-aluminum rete 6 with it is because of the reduction is because the corrosive action of electrolyte produces the risk of weeping down between the plastic-aluminum rete 7, and then improves laminate polymer battery's life-span. The upper aluminum-plastic film layer 6 is punched into a pit shape by a die, then the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7 are connected in a sealing hot-pressing mode to form a cavity for accommodating electrolyte, the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7 are connected more tightly in a hot-pressing step, and only the upper aluminum-plastic film layer 6 needs to be punched in the process, so that the installation steps are simplified, the structure is simple, and meanwhile, the capacitance of the electric core body 3 is also improved. The first pole ear 8 is fixed with the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7 in a three-layer manner at the overlapping position of the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7, and the second pole ear 9 is fixed with the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7 in a three-layer manner at the overlapping position of the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7. A further preferable technical scheme is that the first tab 8 is fixed with the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7 in a three-layer manner through tab glue 10 at an overlapping position of the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7, and the second tab 9 is fixed with the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7 in a three-layer manner through the tab glue 10 at an overlapping position of the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7. Thus, the insulation effect of the tab glue 10 avoids the contact between the first tab 8 and the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7, and the contact between the second tab 9 and the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7. Further preferred technical scheme does go up the outside extension in 6 peripheries of plastic-aluminum rete and be provided with the extension layer, the outside extension in 7 peripheries of plastic-aluminum rete is provided with down the extension layer down, go up the extension layer with the fixed decorative pattern banding 11 that is equipped with of the sealed hot pressing formula of extension layer down, decorative pattern banding 11 is followed the straight flange of electric core body 3 extends to the top or the bottom of electric core body 3, first utmost point ear with the junction of first wire with the second utmost point ear with the junction of second wire all set up in decorative pattern banding 11 with between the electric core body 3. Like this, go up the outside extension in plastic-aluminum rete 6 periphery and be provided with the extension layer, the outside extension in plastic-aluminum rete 7 periphery is provided with down the extension layer down, go up the extension layer with the setting on extension layer down has widened go up plastic-aluminum rete 6 with the width that plastic-aluminum rete 7 bonded together down makes the bonding of going up plastic-aluminum rete 6 with plastic-aluminum rete 7 is more firm down, has reduced the danger of 3 weepings of electricity core body. Go up the extension with the sealed hot pressing of extension forms the decorative pattern down, work as decorative pattern banding 11 follows the straight flange of electricity core body 3 extends to when the top or the bottom of electricity core body 3, because go up the extension with the extension is keeping away from down the one end girth of the periphery of electricity core body 3 is than the periphery girth of electricity core body 3 is bigger, and then decorative pattern banding 11 to the extrusion evenly distributed that receives when the top or the bottom of electricity core body 3 take place to buckle in the decorative pattern, make the shape of decorative pattern banding 11 when buckling is more regular and can not take place the danger of weeping. And first utmost point ear with the junction of first wire with the second utmost point ear with the junction of second wire all sets up decorative pattern banding 11 with between the electric core body 3, first insulating cover 4 cladding is lived first utmost point ear with the junction of first wire, the cladding of second insulating cover 5 is lived the second utmost point ear with the junction of second wire has avoided first utmost point ear 8 with the deckle edge of second utmost point ear 9 pierces through go up plastic-aluminum film layer 6 with plastic-aluminum film layer 7 down and the danger of taking place the weeping. A further preferable technical solution is that the cross section of the pattern may be a sawtooth shape or a wavy shape extending along a straight edge of the cell body 3. In this way, the distance difference between the outer peripheries of the upper and lower extending layers compared with the inner periphery is uniformly dispersed in each sawtooth or each wave, and the shape of the pattern seal 11 arranged on the outer periphery of the cell body 3 becomes more regular.

The utility model discloses a soft-packaged electrical core please refer to in FIG. 1 to FIG. 5 each relevant picture, can also be on the basis of preceding technical scheme: the battery cell is characterized in that a winding part 14 which is arranged at the center in a winding mode is arranged in the battery cell body 3, the top and the bottom of the winding part 14 are respectively tightly attached to the upper aluminum-plastic film layer 6 and the lower aluminum-plastic film layer 7, and the fixed end of the first pole lug 8 and the fixed end of the second pole lug 9 are fixedly connected to the winding part 14. Thus, the free end of the first tab 8 and the free end of the second tab 9 may be symmetrically disposed to protrude from both sides of the winding member 14, respectively, or may be asymmetrically disposed. The winding member 14 is wound in one turn inside the cell body 3, and is formed by winding a positive electrode plate, a separator and a negative electrode plate, wherein the separator is used for preventing the positive electrode plate and the negative electrode plate from contacting and short-circuiting. The first tab 8 is connected to the positive electrode piece, the second tab 9 is connected to the negative electrode piece, and the specific position can be set according to actual conditions, so that the connection between the battery cell body 3 and other parts is facilitated. A further preferred technical scheme is that the first tab 8 and the second tab 9 are both fixedly connected to the periphery of the cell body 3 through tab glue 10 at the overlapping position of the cell body 3. Like this, first utmost point ear 8 with second utmost point ear 9 all passes through utmost point ear glue 10 bond in the lower part of electric core body 3 just follows the lower part of electric core body 3 is outwards extended, through setting up utmost point ear glue 10 has stopped first utmost point ear 8 with second utmost point ear 9 respectively with the contact of electric core body 3 has played the insulating effect.

The utility model relates to a soft package battery, please refer to the relevant figures in figures 1 to 5, which comprises an injection layer 15, a shell 16 and a soft package battery core, wherein the soft package battery core comprises a lead group, a first insulating sleeve 4, a second insulating sleeve 5, a first tab 8, a second tab 9 and a battery core body 3, the lead group comprises a first lead 1 and a second lead 2, the fixed end of the first lead 1 is fixed with the free end of the first tab 8, the fixed end of the second lead 2 is fixed with the free end of the second tab 9, the fixed end of the first tab 8 and the fixed end of the second tab 9 are respectively fixed with the battery core body 3, the first insulating sleeve 4 is sleeved at the fixed connection part of the first lead 1 and the first tab 8, the second insulating sleeve 5 is sleeved at the fixed connection part of the second lead 2 and the second tab 9, the free end of first wire 1 by the lateral part of first cavity is outside freely extending, the free end of second wire 2 by the lateral part of second cavity is outside freely extending, electric core body 3 is cylindric or square, the sealed joint in of periphery of the layer 15 of moulding plastics is in on the internal week of shell 16, the sealed joint in of the internal periphery of the layer 15 of moulding plastics in on the periphery of flexible package electricity core, the layer 15 of moulding plastics with shell 16 encloses to be established and is formed with and holds the cavity of flexible package electricity core, flexible package electricity core holds in the cavity, the top and the bottom of flexible package electricity core respectively with the layer 15 of moulding plastics with shell 16 closely laminates, the free end of first wire 1 with the 2 free ends of second wire are followed respectively the layer 15 of moulding plastics is worn out. Thus, the first tab 8 and the second tab 9 are disposed on the cell body 3 at an interval, the first tab 8 and the second tab 9 can be symmetrically disposed on two sides of the cell body 3, or asymmetrically disposed on the cell body 3, and finally, the fixed end of the first tab 8 and the fixed end of the second tab 9 are both connected to the cell body 3, the free end of the first tab 8 and the free end of the second tab 9 are respectively connected to the fixed end of the first wire 1 and the fixed end of the second wire 2, the first insulating sleeve 4 is folded and then wrapped on the periphery of the joint of the first tab and the first wire, that is, the free end of the first tab 8 and the fixed end of the first wire 1 are both clamped in the first cavity formed by folding and folding the second insulating sleeve 4, the insulating cover of second 5 fifty percent discount back cladding be in the second utmost point ear with on the periphery of the junction of second wire, be about to all press from both sides after the free end of second utmost point ear 9 is fixed with the fixed end of second wire 2 and establish in the insulating cover of second 5 fifty percent discount forms in the second cavity, just so prevented first utmost point ear 8 with burr on the second utmost point ear 9 will the weeping danger that the emergence was punctureed to electric core body 3. And first utmost point ear with the junction of first wire with the second utmost point ear with the junction of second wire exposes and can influence beautifully, first insulating cover 4 will the free end of first utmost point ear 8 with the stiff end of first wire 1 is wrapped up completely, second insulating cover 5 will the free end of second utmost point ear 9 with the stiff end of first wire 1 is wrapped up completely, has prevented that these joints or the small and big irregularity from exposing and influence beautifully. Then will laminate polymer battery core puts into in the cavity of shell 16, make laminate polymer battery core's bottom and periphery with the inner wall of shell 16 closely laminates, then will it is fixed in to mould plastics layer 15 laminate polymer battery core's top and with laminate polymer battery core closely, first wire 1's free end with the free end of second wire 2 is all followed it stretches out to mould plastics layer 15, and the laminate polymer battery who makes has both prevented because first utmost point ear 8 with the burr of second utmost point ear 9 is punctureed electric core body 3 produces the danger of weeping, has formed the shape of rule moreover in appearance, has increased polymer battery's aesthetic property and then has effectively promoted product value. The utility model discloses a laminate polymer battery is, for prior art's advantage: simple structure, practicality are strong, the security is good and can effectively promote product value.

The utility model discloses a laminate polymer battery please refer to relevant each picture in fig. 1 to fig. 5, can also be on the basis of preceding technical scheme: the injection molding layer 15 is provided with a first through hole 17 and a second through hole 18, and the free end of the first lead 1 and the free end of the second lead 2 respectively penetrate out of the first through hole 17 and the second through hole 18. Like this, work as the stiff end of first wire 1 with the stiff end of second wire 2 respectively with first utmost point ear 8 with second utmost point ear 9 is fixed back, first wire 1 with the free end of second wire 2 is followed respectively first through-hole 17 with second through-hole 18 is worn out and is extended to outside the shell 16, then will mould plastics the material and pour into form on the laminate polymer core 15 of moulding plastics guarantees laminate polymer core is located all the time laminate polymer core 15 with fixed position between the shell 16 is sealed with it in the shell 16, and then has increased laminate polymer battery's aesthetic property to under guaranteeing its security prerequisite, conveniently carry out laminate polymer battery's assembling process.

The utility model discloses a laminate polymer battery please refer to relevant each picture in fig. 1 to fig. 5, can also be on the basis of preceding technical scheme: the housing 16 is made of a stainless steel material. Like this, by the stainless steel make shell 16 has the isolation to its inside and outside electromagnetic field signal, and then has shielded laminate polymer battery at the produced electromagnetic interference signal of during operation, and this laminate polymer battery is particularly useful for wearing the product like earphone stereo set class to the product that the electromagnetic interference required height, and this laminate polymer battery can not produce the electromagnetic interference effect to other spare parts, and then improves product quality and user and use experience. Of course, the material of the housing 16 may be other metal materials besides stainless steel. The outer surface of the housing 16 may also be treated by a surface treatment process such as electrophoresis, so that the surface of the housing 16 has various colors, thereby improving the product value of the pouch battery.

The utility model discloses a laminate polymer battery please refer to relevant each picture in fig. 1 to fig. 5, can also be on the basis of preceding technical scheme: the injection molding layer 15 is made of hot melt adhesive. Thus, because the low-pressure injection molding process is an encapsulation process which injects the hot melt adhesive into the mold in a molten state by using the injection pressure of 1.5-50Bar generally and solidifies and molds rapidly, and the melting temperature of the hot melt adhesive is in the range of 180-240 DEG generally, the method can be used for encapsulating the precise and sensitive electronic components gently without causing damage to the electronic components. The soft package battery cell and the lead group are arranged inside the shell 16, then a low-pressure injection molding machine is used for injecting the hot melt adhesive in a molten state to the upper surface of the shell 16, the hot melt adhesive starts to cool and solidify immediately, the solidification time is different due to different adhesive amounts and is about 10 seconds to 50 seconds, after the hot melt adhesive is completely solidified, the hot melt adhesive is tightly attached to the shell 16, so that the injection molding layer 15 and the shell 16 have sealing performance, and the electrolyte is prevented from leaking out from the shell 16 to the injection molding layer 15 to cause safety accidents after the liquid leakage of the battery cell body 3. And the hot melt adhesive can also play a role in resisting impact, buffering stress and the like when the soft package battery is subjected to external force or impact at the injection molding layer 15 after being cooled. The hot melt adhesive still has electrical insulation, layer 15 uses of moulding plastics the hot melt adhesive can also stop the wire group with contact between 3 junctions of electric core body and outside other spare parts avoids taking place the short circuit phenomenon. Still more preferred technical scheme is that the upper portion of the injection molding layer 15 extends to the outside of the shell 16 and is clamped and fixed with the periphery of the shell 16. Thus, the injection molding layer 15 completely covers the opening of the housing 16, and the sealing performance between the injection molding layer 15 and the housing 16 is improved.

The above description is only for the description of several embodiments of the present invention, but the scope of the present invention should not be considered as falling within the scope of the present invention, in which all the equivalent changes or modifications or the equal-scale enlargement or reduction etc. according to the design spirit of the present invention are made.

Claims

1. The utility model provides a soft packet of electricity core which characterized in that: the battery comprises a lead group, a first insulating sleeve, a second insulating sleeve, a first pole lug, a second pole lug and a battery cell body, wherein the lead group comprises a first lead and a second lead, the fixed end of the first lead is fixed with the free end of the first pole lug, the fixed end of the second lead is fixed with the free end of the second pole lug, the fixed end of the first pole lug and the fixed end of the second pole lug are respectively fixed with the battery cell body, the first insulating sleeve is arranged at the fixed connection position of the first lead and the first pole lug, the second insulating sleeve is arranged at the fixed connection position of the second lead and the second pole lug, the free end of the first lead is freely extended outwards from the side part of a first cavity formed by folding the first insulating sleeve, and the free end of the second lead is freely extended outwards from the side part of a second cavity formed by folding the second insulating sleeve, the battery cell body is cylindrical or square.

2. The flexible-package electrical core of claim 1, characterized in that: the cladding is established to first insulating cover the periphery of first utmost point ear free end, first insulating cover with first utmost point ear is in it is equipped with first winding portion to roll up in the periphery of electric core body, the stiff end of first wire is located first winding portion center just the free end of first wire by the outside free extension in side of first winding portion.

3. The flexible-package electrical core of claim 1, characterized in that: the cladding is established to the insulating cover of second cover the periphery of second utmost point ear free end, the insulating cover of second with the second utmost point ear is in the periphery of electricity core body is rolled up and is equipped with second winding part, the stiff end of second wire is located second winding part center just the free end of second wire by the outside free extension in side of second winding part.

4. The flexible-package electrical core of claim 1, characterized in that: the electric core body includes the plastic-aluminum rete, lower plastic-aluminum rete and electrolyte, go up the plastic-aluminum rete with sealed hot pressing formula fixed connection between the plastic-aluminum rete edge down, electrolyte fills to be located go up the plastic-aluminum rete with the plastic-aluminum rete encloses to establish the cavity that forms down, first utmost point ear with go up the plastic-aluminum rete with the overlapping position department on plastic-aluminum rete down with go up the plastic-aluminum rete with the plastic-aluminum rete is fixed down three laminars, the second utmost point ear with go up the plastic-aluminum rete with the overlapping position department on plastic-aluminum rete down with go up the plastic-aluminum rete with the plastic-aluminum rete is fixed down three laminars.

5. The flexible-package electrical core according to claim 4, characterized in that: go up the outward extension of plastic-aluminum rete periphery and be provided with the extension layer, the outer extension of plastic-aluminum rete periphery is provided with down the extension layer down, go up the extension layer with the sealed hot pressing formula of extension layer is fixed and is equipped with the decorative pattern banding down, the decorative pattern banding is followed the straight flange of electric core body extends to the top or the bottom of electric core body, first utmost point ear with the junction of first wire with the second utmost point ear with the junction of second wire all set up in the decorative pattern banding with between the electric core body.

6. The flexible-package electrical core according to claim 4, characterized in that: this internal coiling piece of locating the center of book that is provided with of electric core, the top and the bottom of coiling piece respectively with go up the plastic-aluminum rete with the plastic-aluminum rete closely laminates down, the stiff end of first utmost point ear with the equal fixed connection of second utmost point ear stiff end in on the coiling piece.

7. The utility model provides a laminate polymer battery which characterized in that: including moulding plastics layer, shell and soft-packaged electrical core, soft-packaged electrical core be any one of claims 1-6 soft-packaged electrical core, the sealed joint in of the periphery on the layer of moulding plastics in the interior week of shell, the sealed joint in the interior periphery on the layer of moulding plastics in the periphery of soft-packaged electrical core, the layer of moulding plastics with the shell encloses to establish and is formed with and holds the cavity of soft-packaged electrical core, soft-packaged electrical core holds in the cavity, the top and the bottom of soft-packaged electrical core respectively with the layer of moulding plastics with the shell closely laminates, the free end of first wire with the second wire free end is followed respectively the layer of moulding plastics is worn out.

8. The pouch cell according to claim 7, wherein: the injection molding layer is provided with a first through hole and a second through hole, and the free end of the first lead and the free end of the second lead respectively penetrate out of the first through hole and the second through hole.

9. The pouch cell according to claim 7, wherein: the housing is made of stainless steel material.

10. The pouch cell according to claim 7, wherein: the injection molding layer is made of hot melt adhesive.