CN106486703A - A kind of soft bag lithium ionic cell manufacture method of use pluralgel barrier film - Google Patents
A kind of soft bag lithium ionic cell manufacture method of use pluralgel barrier film Download PDFInfo
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- CN106486703A CN106486703A CN201610943353.4A CN201610943353A CN106486703A CN 106486703 A CN106486703 A CN 106486703A CN 201610943353 A CN201610943353 A CN 201610943353A CN 106486703 A CN106486703 A CN 106486703A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of soft bag lithium ionic cell manufacture method of use pluralgel barrier film, comprise the following steps：（1）Make anode pole piece；（2）Make cathode pole piece；（3）Barrier film vacuum bakeout；（4）Make battery core；（5）Hot pressing is merged；（6）Cooling sizing；（7）Make battery；（8）Battery toasts；（9）Ageing；（10）Chemical conversion；（11）High temperature ageing（12）Secondary high-temperature is aging.The polypropylene screen of surface-coated PVDF and HFP copolymer is adopted as barrier film in the present invention, and creatively hot pressing fusion is carried out to battery core, the PVDF enabling diaphragms coating is combined together with pole piece, so that battery core avoids the occurrence of the bad phenomenon such as pole piece displacement in operation operation process, simultaneously other processing steps and technological parameter are optimized, so that the battery hardness being finally obtained is higher, cycle performance and security performance also get a promotion.
Description
Technical field
The present invention relates to lithium ion battery manufacture technology field, especially relate to a kind of Soft Roll of use pluralgel barrier film
Lithium ion battery manufacture method.
Background technology
Soft bag lithium ionic cell is due to its high voltage, high-energy-density, low self-discharge rate, high security, long service life, electricity
Pond shape can be widely used in electronic product, model plane, the vehicles, energy storage, electricity according to the advantages of Customer Requirement Design
The vast fields such as power driven tools, military project space flight.
Traditional soft bag lithium ionic cell hardness is relatively low, and during use, external force is easy to make it deform, and then
Impact cell safety and service life.With battery applications to dynamic field, the safety of battery, long circulation life have become lithium
The long term object that electric industry is pursued.Accordingly, it would be desirable to carry out deeper into Improvement.
Content of the invention
The present invention is relatively low in order to solve the soft bag lithium ionic cell hardness of prior art, and during use, external force is held very much
So that it is deformed, and then affect the problem of cell safety and service life, there is provided a kind of processing step is simple, operability
By force, the soft bag lithium ionic cell manufacture method of the use pluralgel barrier film of cycle performance of battery and security performance can be improved.
To achieve these goals, the present invention employs the following technical solutions：
A kind of soft bag lithium ionic cell manufacture method of use pluralgel barrier film of the present invention, comprises the following steps：
（1）Make anode pole piece：Positive electrode active materials, conductive agent and binding agent are made after anode sizing agent by required proportioning, even
Continuous be uniformly applied on aluminium foil, drying, roll-in, after cutting anode pole piece.Positive and negative electrode pole piece manufacture method is this area
Conventional method, therefore do not repeat.
（2）Make cathode pole piece：Negative active core-shell material, conductive agent and binding agent are made cathode size by required proportioning
Afterwards, be continuously and uniformly coated on Copper Foil, drying, roll-in, after cutting cathode pole piece.
（3）Barrier film vacuum bakeout：From pluralgel barrier film as barrier film, barrier film is put into constant temperature true for 50 ± 5 DEG C
In empty baking box, it is evacuated to -0.08 ~ -0.10MPa, stops heating after baking 3 ± 0.5h, take after temperature is down to below 35 DEG C
Go out barrier film.
（4）Make battery core：It is wound into battery core by after anode pole piece, barrier film and cathode pole piece overlap.
（5）Hot pressing is merged：Battery core is placed in hot press and carries out hot pressing fusion.
（6）Cooling sizing：By step（5）Middle core is placed in cold press and carries out cooling sizing of colding pressing.
（7）Make battery：By step（6）Middle core encapsulates through tab welding, aluminum plastic film, obtains battery.
（8）Battery toasts：Battery is put into vacuum oven, temperature is set as 70 ~ 90 DEG C, evacuation value to -0.09 ~ -
Start after 0.10MPa to toast, after baking 12 ~ 36h, stop heating, temperature is down to less than 35 DEG C and is taken out battery core afterwards, and battery is carried out
Fluid injection.
（9）Ageing：Battery after fluid injection is put into ageing room, at a temperature of 35 ~ 50 DEG C, is aged 24 ~ 36h.
（10）Chemical conversion：Battery after ageing is placed in pressure formation cabinet, formation charging at a temperature of 50 ~ 70 DEG C.
（11）High temperature ageing：Battery after chemical conversion is placed in high-temperature aging room, aging with 50 ~ 70 DEG C of high-temperature
4~12h.
（12）Secondary high-temperature is aging：By step（11）In battery carry out two and be honored as a queen, then be placed in high-temperature aging room, with 35
After the aging 12 ~ 36h of ~ 50 DEG C of high-temperature, carry out partial volume stepping, obtain final product soft bag lithium ionic cell finished product.To partial volume in the present invention
Equipment is not particularly limited with partial volume condition.
Preferably, step（3）In, described pluralgel barrier film is the polypropylene of surface-coated PVDF and HFP copolymer
Film.Pluralgel barrier film is the polypropylene screen of surface-coated PVDF and HFP copolymer, when hot pressing is merged, diaphragms coating
PVDF can be combined together with pole piece so that battery core avoids the occurrence of the bad phenomenon such as pole piece displacement in operation operation process, has
Beneficial to the cycle performance improving battery and security performance.
Preferably, step（5）In, hot pressing fusion temperature is 60 ~ 90 DEG C, and pressure is 10 ~ 30kg/mm2.
Preferably, step（6）In, temperature of colding pressing is room temperature, and pressure of colding pressing is 2 ~ 10kg/mm2, cold pressing the time be 2 ~
8min.
Preferably, step（10）In, during chemical conversion, apply 2 ~ 10kg/mm to battery2Pressure.
Preferably, pressurization is using weight pressurization, hydraulic pressurization or spring pressurization.
Therefore, the present invention has the advantages that：Poly- the third of surface-coated PVDF and HFP copolymer is adopted in the present invention
Alkene film as barrier film, and creatively hot pressing fusion is carried out to battery core so that diaphragms coating PVDF can with pole piece melt for
Integrally, so that battery core avoids the occurrence of the bad phenomenon such as pole piece displacement in operation operation process, simultaneously cooperation cooling
Sizing, and other processing steps are optimized with technological parameter, the technological parameter of the order of each step and each step mutually closes
Connection is collaborative so that the battery hardness being finally obtained is higher with energy density, and cycle performance and security performance also get a promotion.
Specific embodiment
Below by specific embodiment, the present invention will be further described.
Embodiment 1
（1）Make anode pole piece：Positive electrode active materials, conductive agent and binding agent are made after anode sizing agent by required proportioning, even
Continuous be uniformly applied on aluminium foil, drying, roll-in, after cutting anode pole piece；
（2）Make cathode pole piece：Negative active core-shell material, conductive agent and binding agent are made after cathode size by required proportioning, even
Continuous be uniformly applied on Copper Foil, drying, roll-in, after cutting cathode pole piece；
（3）Barrier film vacuum bakeout：From pluralgel barrier film as barrier film, pluralgel barrier film is surface-coated PVDF and HFP
The polypropylene screen of copolymer, barrier film is put in the vacuum oven that constant temperature is 45 DEG C, is evacuated to -0.08MPa, after baking 2.5h
Stop heating, take out barrier film after temperature is down to below 35 DEG C；
（4）Make battery core：It is wound into battery core by after anode pole piece, barrier film and cathode pole piece overlap；
（5）Hot pressing is merged：Battery core is placed in hot press and carries out hot pressing fusion, hot pressing fusion temperature is 60 DEG C, pressure is 10kg/
mm2；
（6）Cooling sizing：By step（5）Middle core is placed in cold press and carries out cooling sizing of colding pressing, and temperature of colding pressing is room temperature, cold
Pressure pressure is 2kg/mm2, the time of colding pressing is 2min；
（7）Make battery：By step（6）Middle core encapsulates through tab welding, aluminum plastic film, obtains battery；
（8）Battery toasts：Battery is put into vacuum oven, temperature is set as 70 DEG C, start after evacuation value to -0.09MPa to dry
Roasting, stop heating after baking 12h, temperature is down to less than 35 DEG C and is taken out battery core afterwards, carries out fluid injection to battery；
（9）Ageing：Battery after fluid injection is put into ageing room, at a temperature of 35 DEG C, is aged 24h；
（10）Chemical conversion：Battery after ageing is placed in pressure formation cabinet, using weight pressurization, hydraulic pressurization or spring loaded
Mode applies 2kg/mm to battery2Pressure, formation charging at a temperature of 50 DEG C；
（11）High temperature ageing：Battery after chemical conversion is placed in high-temperature aging room, with the aging 4h of 50 DEG C of high-temperature；
（12）Secondary high-temperature is aging：By step（11）In battery carry out two and be honored as a queen, then be placed in high-temperature aging room, with 35 DEG C of temperature
After degree high temperature ageing 12h, carry out partial volume stepping, obtain final product soft bag lithium ionic cell finished product.
Embodiment 2
（1）Make anode pole piece：Positive electrode active materials, conductive agent and binding agent are made after anode sizing agent by required proportioning, even
Continuous be uniformly applied on aluminium foil, drying, roll-in, after cutting anode pole piece；
（2）Make cathode pole piece：Negative active core-shell material, conductive agent and binding agent are made after cathode size by required proportioning, even
Continuous be uniformly applied on Copper Foil, drying, roll-in, after cutting cathode pole piece；
（3）Barrier film vacuum bakeout：From pluralgel barrier film as barrier film, pluralgel barrier film is surface-coated PVDF and HFP
The polypropylene screen of copolymer, barrier film is put in the vacuum oven that constant temperature is 55 DEG C, is evacuated to -0.10MPa, after baking 3.5h
Stop heating, take out barrier film after temperature is down to below 35 DEG C；
（4）Make battery core：It is wound into battery core by after anode pole piece, barrier film and cathode pole piece overlap；
（5）Hot pressing is merged：Battery core is placed in hot press and carries out hot pressing fusion, hot pressing fusion temperature is 90 DEG C, pressure is 30kg/
mm2；
（6）Cooling sizing：By step（5）Middle core is placed in cold press and carries out cooling sizing of colding pressing, and temperature of colding pressing is room temperature, cold
Pressure pressure is 10kg/mm2, the time of colding pressing is 8min；
（7）Make battery：By step（6）Middle core encapsulates through tab welding, aluminum plastic film, obtains battery；
（8）Battery toasts：Battery is put into vacuum oven, temperature is set as 90 DEG C, start after evacuation value to -0.10MPa to dry
Roasting, stop heating after drying 36h, temperature is down to less than 35 DEG C and is taken out battery core afterwards, carries out fluid injection to battery；
（9）Ageing：Battery after fluid injection is put into ageing room, at a temperature of 50 DEG C, is aged 36h；
（10）Chemical conversion：Battery after ageing is placed in pressure formation cabinet, using weight pressurization, hydraulic pressurization or spring loaded
Mode applies 10kg/mm to battery2Pressure, formation charging at a temperature of 70 DEG C；
（11）High temperature ageing：Battery after chemical conversion is placed in high-temperature aging room, with the aging 12h of 70 DEG C of high-temperature；
（12）Secondary high-temperature is aging：By step（11）In battery carry out two and be honored as a queen, then be placed in high-temperature aging room, with 50 DEG C of temperature
After degree high temperature ageing 36h, carry out partial volume stepping, obtain final product soft bag lithium ionic cell finished product.
Embodiment 3
（1）Make anode pole piece：Positive electrode active materials, conductive agent and binding agent are made after anode sizing agent by required proportioning, even
Continuous be uniformly applied on aluminium foil, drying, roll-in, after cutting anode pole piece；
（2）Make cathode pole piece：Negative active core-shell material, conductive agent and binding agent are made after cathode size by required proportioning, even
Continuous be uniformly applied on Copper Foil, drying, roll-in, after cutting cathode pole piece；
（3）Barrier film vacuum bakeout：From pluralgel barrier film as barrier film, pluralgel barrier film is surface-coated PVDF and HFP
The polypropylene screen of copolymer, barrier film is put in the vacuum oven that constant temperature is 50 DEG C, is evacuated to -0.09MPa, stops after baking 3h
Only heat, take out barrier film after temperature is down to below 35 DEG C；
（4）Make battery core：It is wound into battery core by after anode pole piece, barrier film and cathode pole piece overlap；
（5）Hot pressing is merged：Battery core is placed in hot press and carries out hot pressing fusion, hot pressing fusion temperature is 70 DEG C, pressure is 20kg/
mm2；
（6）Cooling sizing：By step（5）Middle core is placed in cold press and carries out cooling sizing of colding pressing, and temperature of colding pressing is room temperature, cold
Pressure pressure is 8kg/mm2, the time of colding pressing is 6min；
（7）Make battery：By step（6）Middle core encapsulates through tab welding, aluminum plastic film, obtains battery；
（8）Battery toasts：Battery is put into vacuum oven, temperature is set as 80 DEG C, start after evacuation value to -0.095MPa to dry
Roasting, stop heating after baking 24h, temperature is down to less than 35 DEG C and is taken out battery core afterwards, carries out fluid injection to battery；
（9）Ageing：Battery after fluid injection is put into ageing room, at a temperature of 40 DEG C, is aged 30h；
（10）Chemical conversion：Battery after ageing is placed in pressure formation cabinet, using weight pressurization, hydraulic pressurization or spring loaded
Mode applies 8kg/mm to battery2Pressure, formation charging at a temperature of 60 DEG C；
（11）High temperature ageing：Battery after chemical conversion is placed in high-temperature aging room, with the aging 8h of 60 DEG C of high-temperature；
（12）Secondary high-temperature is aging：By step（11）In battery carry out two and be honored as a queen, then be placed in high-temperature aging room, with 40 DEG C of temperature
After degree high temperature ageing 24h, carry out partial volume stepping, obtain final product soft bag lithium ionic cell finished product.
Present invention process step is simple, workable, and prepared battery hardness is high, and 0.5C charge and discharge circulates 1200 weeks capacity
Conservation rate be 80% ~ 85%, safety test acupuncture, overcharge, the rate of being pressed through is 100%.
Embodiment described above is one kind preferably scheme of the present invention, not the present invention is made any pro forma
Limit, also have other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (6)
1. a kind of soft bag lithium ionic cell manufacture method of use pluralgel barrier film is it is characterised in that comprise the following steps：
（1）Make anode pole piece：Positive electrode active materials, conductive agent and binding agent are made after anode sizing agent by required proportioning, even
Continuous be uniformly applied on aluminium foil, drying, roll-in, after cutting anode pole piece；
（2）Make cathode pole piece：Negative active core-shell material, conductive agent and binding agent are made after cathode size by required proportioning, even
Continuous be uniformly applied on Copper Foil, drying, roll-in, after cutting cathode pole piece；
（3）Barrier film vacuum bakeout：From pluralgel barrier film as barrier film, barrier film is put into the vacuum that constant temperature is 50 ± 5 DEG C and bakes
In case, be evacuated to -0.08 ~ -0.10MPa, after baking 3 ± 0.5h, stop heating, take out after temperature is down to below 35 DEG C every
Film；
（4）Make battery core：It is wound into battery core by after anode pole piece, barrier film and cathode pole piece overlap；
（5）Hot pressing is merged：Battery core is placed in hot press and carries out hot pressing fusion；
（6）Cooling sizing：By step（5）Middle core is placed in cold press and carries out cooling sizing of colding pressing；
（7）Make battery：By step（6）Middle core encapsulates through tab welding, aluminum plastic film, obtains battery；
（8）Battery toasts：Battery is put into vacuum oven, temperature is set as 70 ~ 90 DEG C, evacuation value to -0.09 ~ -0.10MPa
After start toast, baking 12 ~ 36h after stop heating, temperature be down to less than 35 DEG C afterwards take out battery cores, fluid injection is carried out to battery；
（9）Ageing：Battery after fluid injection is put into ageing room, at a temperature of 35 ~ 50 DEG C, is aged 24 ~ 36h；
（10）Chemical conversion：Battery after ageing is placed in pressure formation cabinet, formation charging at a temperature of 50 ~ 70 DEG C；
（11）High temperature ageing：Battery after chemical conversion is placed in high-temperature aging room, with 50 ~ 70 DEG C of high-temperature aging 4 ~
12h；
（12）Secondary high-temperature is aging：By step（11）In battery carry out two and be honored as a queen, then be placed in high-temperature aging room, with 35 ~ 50
After DEG C aging 12 ~ 36h of high-temperature, carry out partial volume stepping, obtain final product soft bag lithium ionic cell finished product.
2. the soft bag lithium ionic cell manufacture method of a kind of use pluralgel barrier film according to claim 1, its feature
It is, step（3）In, described pluralgel barrier film is the polypropylene screen of surface-coated PVDF and HFP copolymer.
3. the soft bag lithium ionic cell manufacture method of a kind of use pluralgel barrier film according to claim 1, its feature
It is, step（5）In, hot pressing fusion temperature is 60 ~ 90 DEG C, and pressure is 10 ~ 30kg/mm2.
4. the soft bag lithium ionic cell manufacture method of a kind of use pluralgel barrier film according to claim 1, its feature
It is, step（6）In, temperature of colding pressing is room temperature, and pressure of colding pressing is 2 ~ 10kg/mm2, the time of colding pressing is 2 ~ 8min.
5. the soft bag lithium ionic cell manufacture method of a kind of use pluralgel barrier film according to claim 1, its feature
It is, step（10）In, during chemical conversion, apply 2 ~ 10kg/mm to battery2Pressure.
6. the soft bag lithium ionic cell manufacture method of a kind of use pluralgel barrier film according to claim 5, its feature
It is, pressurization is using weight pressurization, hydraulic pressurization or spring pressurization.
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| CN108899467A (en) * | 2018-06-09 | 2018-11-27 | 深圳市达俊宏科技股份有限公司 | Lithium battery pole ear processing method |
| CN109713360A (en) * | 2018-12-28 | 2019-05-03 | 蜂巢能源科技有限公司 | Energy storage lithium ion battery and its electrolyte and chemical conversion-aging method |
| CN109950634A (en) * | 2019-03-18 | 2019-06-28 | 惠州锂威新能源科技有限公司 | A kind of lithium ion battery cell production technology |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626097A (en) * | 2009-06-05 | 2010-01-13 | 长沙高新开发区材盛新能源科技有限公司 | High-liquid absorbing rate micro-nano structure polymer electrolyte membrane and preparation method thereof |
| CN102522594A (en) * | 2011-12-27 | 2012-06-27 | 天津力神电池股份有限公司 | Hot pressing plate silica gel sleeve |
| CN105304954A (en) * | 2015-09-30 | 2016-02-03 | 东莞市致格电池科技有限公司 | Battery grouping method and battery grouping system |
-
2016
- 2016-11-02 CN CN201610943353.4A patent/CN106486703A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626097A (en) * | 2009-06-05 | 2010-01-13 | 长沙高新开发区材盛新能源科技有限公司 | High-liquid absorbing rate micro-nano structure polymer electrolyte membrane and preparation method thereof |
| CN102522594A (en) * | 2011-12-27 | 2012-06-27 | 天津力神电池股份有限公司 | Hot pressing plate silica gel sleeve |
| CN105304954A (en) * | 2015-09-30 | 2016-02-03 | 东莞市致格电池科技有限公司 | Battery grouping method and battery grouping system |
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