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WO2015100762A1 - Batterie au lithium vestimentaire souple - Google Patents

Batterie au lithium vestimentaire souple Download PDF

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Publication number
WO2015100762A1
WO2015100762A1 PCT/CN2014/070321 CN2014070321W WO2015100762A1 WO 2015100762 A1 WO2015100762 A1 WO 2015100762A1 CN 2014070321 W CN2014070321 W CN 2014070321W WO 2015100762 A1 WO2015100762 A1 WO 2015100762A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
flexible
lithium battery
soft body
connection hole
Prior art date
Application number
PCT/CN2014/070321
Other languages
English (en)
Chinese (zh)
Inventor
何安轩
郭兵
Original Assignee
深圳市格瑞普电池有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市格瑞普电池有限公司 filed Critical 深圳市格瑞普电池有限公司
Publication of WO2015100762A1 publication Critical patent/WO2015100762A1/fr

Links

Classifications

    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/514—Methods for interconnecting adjacent batteries or cells
    • H01M50/516—Methods for interconnecting adjacent batteries or cells by welding, soldering or brazing
    • 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
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/222—Inorganic material
    • H01M50/224—Metals
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0445—Multimode batteries, e.g. containing auxiliary cells or electrodes switchable in parallel or series connections
    • 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
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
    • 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

Definitions

  • the present invention relates to the field of lithium battery application technologies, and in particular, to a flexible wearable lithium battery.
  • wearable electronic devices With the advancement of technology, a wide variety of wearable electronic devices have been developed, which has greatly improved the convenience of people's lives. Since today's wearable electronic devices need to be portable, they must be considered for portability. The battery of the wearable electronic device also has higher requirements, and the existing battery is not flexible and cannot be applied to fields such as wearable devices.
  • a flexible wearable lithium battery comprising a battery module, the battery module comprising a bendable soft body and a battery cell, the battery cell unit being composed of two or more single cells and a conductor for connecting the single cells,
  • the bendable soft body and the cell unit are integrally injection molded by silica gel or flexible plastic.
  • the single cell is provided with two tabs, which are a positive pole and a negative pole, respectively, and the single cell is connected to the conductor through a tab, and the direction of the single cell is two tabs. direction.
  • the positive electrode tab and the negative electrode tab are disposed at the same end of the single cell;
  • the positive electrode tab and the negative electrode tab are respectively disposed at opposite ends of the single cell.
  • the bendable soft body is provided with a groove matched with the cell unit, the cell unit is disposed in the groove, and a gap is disposed between two adjacent single cells.
  • the flexible body has a long shape including a long side, and the flexible body is provided with a flexible body which is an aluminum wire or an aluminum foil which penetrates the bendable soft body in the longitudinal direction.
  • all of the single cells are perpendicular to the long sides and are arranged in parallel in the flexible body.
  • all of the single cells are arranged in a line parallel to the long side and in a direction along the long side in the flexible body.
  • the two ends of the flexible body are respectively provided with three connecting holes, which are respectively a first connecting hole, a second connecting hole and a third connecting hole, wherein the connecting holes are equally arranged, and the connecting hole is provided with a buckle
  • the charging and discharging wires include a positive charging and discharging wire and a negative charging and discharging wire, and the positive charging and discharging wire is connected to the positive electrode of the battery unit, and the negative electrode The charge and discharge wires are connected to the negative electrode of the cell unit.
  • the two ends of the bendable soft body are respectively a first end and a second end, and the positive and negative charge and discharge wires of the first end are integrally molded with the first connection hole of the first end, the first end
  • the negative charging and discharging wire is integrally molded with the second connecting hole of the first end; the positive charging and discharging wire of the second end is integrally molded with the second connecting hole of the second end, and the negative electrode of the second end is filled.
  • the discharge wire is integrally molded with the third connection hole of the second end; when the first end and the first end of the two battery modules are connected together through the snap structure of the connection hole, the two battery modules are connected in parallel; When one first end and one second end of the two battery modules are connected together through a snap structure of the connection hole, the two battery modules are connected in series.
  • a flexible wearable lithium battery comprising a battery module, the battery module comprising a bendable soft body and a battery cell, the battery cell comprising two or more single cells and for connecting the battery
  • the conductor assembly of a single cell, the bendable soft body and the cell unit are integrally injection molded by silicone or flexible plastic.
  • the invention encapsulates two or more small cells in a flexible software body through a silicone or flexible plastic.
  • the battery module can be arbitrarily assembled by series or parallel connection, the battery module can be bent, and one or more battery modules can conveniently form a flexible wearable lithium. Battery.
  • FIG. 1 is a view showing the internal structure of a battery module according to Embodiment 1 of the present invention.
  • FIG. 2 is a diagram showing the external structure of a flexible wearable lithium battery according to Embodiment 1 of the present invention.
  • FIG. 3 is a diagram showing the internal structure of a battery module according to Embodiment 2 of the present invention.
  • FIG. 4 is a diagram showing the internal structure of a battery module according to Embodiment 3 of the present invention.
  • FIG. 5 is a diagram showing the internal structure of a battery module according to Embodiment 4 of the present invention.
  • FIG. 6 is a structural view showing the integral casting of the connecting hole and the charging and discharging wire according to the first embodiment of the present invention.
  • 1-bendable soft body 2-single cell, 3-groove, 4-conductor, 5-pole, 6-long side, 7-connection hole, 8-charge and discharge wire, 9-protection device.
  • Embodiment 1 The technical solution of the present invention will be further described below with reference to FIGS. 1 to 6 and by specific embodiments.
  • Embodiment 1
  • FIG. 1 is a diagram showing the internal structure of a flexible wearable lithium battery according to a first embodiment of the present invention.
  • a flexible wearable lithium battery comprising a battery module, the battery module comprising a bendable soft body 1 and a battery cell, the battery cell unit comprising two or more single cells 2 and a connection for connecting the single cells 2
  • the conductor 4 is composed, and the bendable soft body 1 and the battery unit are integrally injection molded by silicone or flexible plastic.
  • the single cells are arbitrarily assembled into a battery module by series or parallel connection.
  • the battery module can be bent, and one or more battery modules can conveniently constitute a flexible wearable lithium battery.
  • the conductor 4 is used to connect a plurality of single cells 2 in parallel or in series.
  • the connection between the single cell 2 and the conductor 4 is a tin-free connection, and the single cell 2 is a lithium battery cell.
  • the output voltage of the single cell 2 is 3.7V, and the charging voltage is 4.2V.
  • the single cell 2 length, width, and thickness reduction principle are adopted, and the volume of the single cell 2 is reduced as much as possible, or one or two of the three parameters of length, width, and thickness are reduced, so as to facilitate It is technically achievable to reduce the volume or weight to facilitate the wearing of the finished flexible wearable lithium battery.
  • connection between the single cell 2, the conductor 4, the charging and discharging line and the protection device 9 is a Wuxi connection, because the connection of the solder is active, cracked or disconnected after long-term use. Especially when it is used for wearing products, it is easier to move. Therefore, in this embodiment, a Wuxi connection is used.
  • the single cell 2 is provided with two tabs 5, which are a positive pole and a negative pole, respectively, and the single cell 2 is connected to the conductor 4 through the tab 5, the single battery
  • the direction of the core 2 is the orientation of the two tabs 5.
  • the flexible body 1 is provided with a groove 3 matched with the battery unit, the battery unit is disposed in the groove 3, and two adjacent single cells are disposed. There is a gap between 2 sets.
  • the single cell 2 can be placed in any direction in the bendable soft body 1, and correspondingly, the groove 3 changes as the direction of the single cell 2 changes.
  • the flexible body 1 is elongated, including a long side 6, and the flexible body 1 is provided with a flexible body, and the flexible body is inserted in the direction of the long side 6.
  • the aluminum wire or aluminum foil of the bending software 1 is used to increase the flexibility of the battery module so that the battery module can maintain a curved shape.
  • all of the single cells 2 are perpendicular to the long sides 6 and are arranged in parallel in the bendable software 1.
  • all of the single cells 2 are arranged in line with the long side 6 and linearly in the direction of the long side 6 in the flexible body 1.
  • the two ends of the flexible body 1 are respectively provided with three connecting holes 7, which are respectively a first connecting hole, a second connecting hole and a third connecting hole, and the three connecting holes 7 are equally arranged.
  • Connection The hole 7 is provided with a snap structure (not shown), and the two battery modules can be conveniently connected together by a snap structure without any other auxiliary connecting means.
  • the two ends of the bendable soft body 1 are provided with a charge and discharge wire 8 including a positive charge and discharge wire and a negative charge and discharge wire, and the positive charge and discharge wire and the battery cell
  • a charge and discharge wire 8 including a positive charge and discharge wire and a negative charge and discharge wire
  • the positive charge and discharge wire and the battery cell The positive electrode is connected, the negative electrode charging and discharging wire is connected to the negative electrode of the battery cell unit, and the positive electrode charging and discharging wire at both ends of the bendable soft body 1 is connected through the positive electrode of the battery cell unit, and can be selected at the time of use, both ends are
  • the charge and discharge wires 8 are provided for series or parallel connection of the battery modules.
  • the two ends of the bendable soft body 1 are respectively a first end and a second end, and the positive and negative charge and discharge wires of the first end are integrally molded with the first connection hole of the first end,
  • the anode charging/discharging wire of the first end is integrally molded with the second connecting hole of the first end;
  • the positive charging and discharging wire of the second end is integrally molded with the second connecting hole of the second end,
  • the second end of the negative charging and discharging wire is integrally molded with the third connecting hole of the second end; when the first end and the first end of the two battery modules are connected together through the snap structure of the connecting hole 7, the two The battery modules are connected in parallel; when one first end and one second end of the two battery modules are connected together through the snap structure of the connecting hole 7, the two battery modules are connected in series.
  • the flexible unit 1 is provided with a cell unit protection device 9 having an overcharge, over discharge, short circuit, over current, over temperature, and antistatic function.
  • the flexible body 1 is made of a flexible plastic material such as silica gel or flexible plastic.
  • the bendable soft body 1 is integrally injection molded with the battery unit to form a lithium battery module.
  • the one or more battery modules constitute a flexible wearable lithium battery, and the lithium battery has a rectangular sheet shape and is bendable along the long side 6 of the rectangle, and is suitable for wearing.
  • the connecting holes 7 are provided at both ends of the lithium battery.
  • the charging and discharging wire 8 is convenient for connecting and supplying power to the wearable electronic device.
  • the flexible wearable lithium battery may also be connected in series or in parallel to increase the supply voltage or the second embodiment.
  • the positive electrode tab and the negative electrode tab are respectively disposed at opposite ends of the single cell 2, and the single cell 2 is a rectangular chip package, and two tabs 5 are provided. They are respectively disposed on the shorter two sides of the rectangle.
  • This arrangement increases the width of the bendable software 1, but also increases the number of single cells 2 placed per unit length of the bendable software 1, in this embodiment.
  • Flexible wearable lithium batteries are more suitable for wearing on smaller circumferences, such as the wrist.
  • the cell unit comprises six 4.2V single cells 2, which are connected in series and then connected in parallel to form a 8.4V flexible wearable lithium battery, which has three times the capacity of the single cell 2.
  • the positive electrode tab and the negative electrode tab are disposed at the same end of the single cell 2, and the single cell 2 is in the shape of a rectangular plate, and the two tabs 5 are disposed at On the longer side of the rectangle, such an arrangement reduces the width of the single cell 2, thereby correspondingly reducing the width of the flexible body 1.
  • the flexible wearable lithium battery in this embodiment is more suitable for wearing in a narrow The part, such as attached to the belt.
  • the cell unit comprises six 4.2V single cells 2, all of which are connected in parallel to form a 4.2V flexible wearable lithium battery with a capacity six times that of the single cell 2.
  • the positive electrode tab and the negative electrode tab are disposed on the single cell 2
  • the single cell 2 is in the shape of a rectangular sheet, and both of the tabs 5 are disposed on the longer side of the rectangle.
  • This arrangement reduces the width of the single cell 2, thereby correspondingly reducing the bendability.
  • the width of the soft body 1, the flexible wearable lithium battery in this embodiment is more suitable for being worn on a narrow portion, such as attached to a belt.
  • the cell unit comprises six 4.2V single cells 2, which are connected in series and then connected in parallel to form a 8.4V flexible wearable lithium battery, which has three times the capacity of the single cell 2.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

La présente invention se rapporte au domaine technique des applications des batteries au lithium. Une batterie au lithium vestimentaire souple est décrite qui comprend un module de batterie. Le module de batterie comprend un corps mou cintrable et une unité à éléments de batterie; l'unité à éléments de batterie est constituée de plus de deux éléments de batterie individuels et d'un conducteur connectant les éléments de batterie individuels; le corps mou cintrable et l'unité à éléments de batterie sont moulés par injection en une seule pièce à l'aide d'un gel de silice ou de plastique souple. La présente invention encapsule plus de deux éléments de batterie individuels de petite taille dans un corps mou cintrable à l'aide d'un gel de silice ou de plastique souple; les éléments de batterie individuels sont assemblés aléatoirement en un module de batterie par connexion en série ou en parallèle; le module de batterie est cintrable, et un ou plusieurs modules de batterie peuvent commodément former une batterie au lithium vestimentaire souple.
PCT/CN2014/070321 2013-12-30 2014-01-08 Batterie au lithium vestimentaire souple WO2015100762A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310746111.2A CN103715380B (zh) 2013-12-30 2013-12-30 一种柔性穿戴式锂电池
CN201310746111.2 2013-12-30

Publications (1)

Publication Number Publication Date
WO2015100762A1 true WO2015100762A1 (fr) 2015-07-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/070321 WO2015100762A1 (fr) 2013-12-30 2014-01-08 Batterie au lithium vestimentaire souple

Country Status (2)

Country Link
CN (1) CN103715380B (fr)
WO (1) WO2015100762A1 (fr)

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WO2018007606A1 (fr) 2016-07-07 2018-01-11 Commissariat A L'energie Atomique Et Aux Energies Alternatives Accumulateur electrochimique metal-ion, a capacite elevee et dont la souplesse permet une grande conformabilite
CN109004254A (zh) * 2018-06-21 2018-12-14 惠州市德赛电池有限公司 一种在微小空间裹极耳胶纸机构
CN111129408A (zh) * 2019-12-24 2020-05-08 Oppo广东移动通信有限公司 柔性电芯组件及电子设备
CN111446486A (zh) * 2020-04-15 2020-07-24 廖湘标 一种柔性电池
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US11201318B2 (en) 2017-09-15 2021-12-14 Honda Motor Co., Ltd. Method for battery tab attachment to a self-standing electrode
CN113964432A (zh) * 2021-10-09 2022-01-21 深圳市纳晶云科技有限公司 一种可穿戴型柔性电池
US11325833B2 (en) 2019-03-04 2022-05-10 Honda Motor Co., Ltd. Composite yarn and method of making a carbon nanotube composite yarn
US11352258B2 (en) 2019-03-04 2022-06-07 Honda Motor Co., Ltd. Multifunctional conductive wire and method of making
US11374214B2 (en) 2017-07-31 2022-06-28 Honda Motor Co., Ltd. Self standing electrodes and methods for making thereof
US11383213B2 (en) 2016-03-15 2022-07-12 Honda Motor Co., Ltd. System and method of producing a composite product
US11539042B2 (en) 2019-07-19 2022-12-27 Honda Motor Co., Ltd. Flexible packaging with embedded electrode and method of making
US11535517B2 (en) 2019-01-24 2022-12-27 Honda Motor Co., Ltd. Method of making self-standing electrodes supported by carbon nanostructured filaments
US11569490B2 (en) 2017-07-31 2023-01-31 Honda Motor Co., Ltd. Continuous production of binder and collector-less self-standing electrodes for Li-ion batteries by using carbon nanotubes as an additive
WO2024170877A1 (fr) * 2023-02-13 2024-08-22 Headx Ltd Dispositif de mesure de mouvement
US12142771B2 (en) 2019-01-30 2024-11-12 Honda Motor Co., Ltd. Flexible battery as an integration platform for wearable sensors and processing/transmitting devices

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CN105070919B (zh) * 2015-07-10 2017-06-27 中国电子科技集团公司第十八研究所 一种柔性可折叠全有机二次电池的制备方法
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CN110797565A (zh) * 2018-08-03 2020-02-14 中兴通讯股份有限公司 一种可折叠的电池及其制备方法
CN109449493A (zh) * 2018-11-02 2019-03-08 深圳市浩然电池有限公司 一种可弯曲穿戴式锂离子电池
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CN112909404A (zh) * 2021-02-05 2021-06-04 盐城师范学院 一种柔性电池及其制备方法
CN113258175B (zh) * 2021-04-28 2023-06-16 山东金品能源有限公司 一种电池储能模组
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