WO2019062373A1 - Batterie souple - Google Patents

Batterie souple Download PDF

Info

Publication number
WO2019062373A1
WO2019062373A1 PCT/CN2018/100846 CN2018100846W WO2019062373A1 WO 2019062373 A1 WO2019062373 A1 WO 2019062373A1 CN 2018100846 W CN2018100846 W CN 2018100846W WO 2019062373 A1 WO2019062373 A1 WO 2019062373A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
collector layer
flexible battery
stress
active material
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2018/100846
Other languages
English (en)
Chinese (zh)
Inventor
杨思枬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prologium Holding Inc
Prologium Technology Co Ltd
Original Assignee
Prologium Holding Inc
Prologium Technology Co Ltd
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 Prologium Holding Inc, Prologium Technology Co Ltd filed Critical Prologium Holding Inc
Priority to JP2020600024U priority Critical patent/JP3229241U/ja
Priority to DE212018000257.6U priority patent/DE212018000257U1/de
Publication of WO2019062373A1 publication Critical patent/WO2019062373A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/121—Organic material
    • 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
    • H01M10/0436—Small-sized flat cells or batteries for portable equipment
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/117—Inorganic material
    • H01M50/119—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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • H01M50/1245—Primary casings; Jackets or wrappings characterised by the material having a layered structure characterised by the external coating on the casing
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
    • H01M50/136—Flexibility or foldability
    • 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
    • H01M50/543—Terminals
    • H01M50/545—Terminals formed by the casing of the cells
    • 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
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular

Definitions

  • the present invention relates to a flexible battery, and more particularly to a flexible battery having a stress reinforcing material on a collector layer.
  • the collector layer tends to be lighter and thinner to increase the bendability.
  • the collector layer when the collector layer is bent by force, it is easy to be squeezed by the pole layer. Produces an acute angle.
  • the collector layer usually uses a metal material. When the metal material is subjected to an external force exceeding the elastic range, a crystal slip may occur, or a problem of crystal dislocations may occur, so that the surface of the collector layer cannot be recovered. Deformation.
  • the collector layer is deformed, and the collector layer and the active material layer are often peeled off, thereby lowering the capacity of the battery and shortening the battery life.
  • an object of the present invention is to provide a flexible battery which is provided with a stress reinforcing material on a collector layer without impeding the bending ability of the battery to improve the structural stress of the collector layer and avoid power collection.
  • the above problem occurs in the layer.
  • the present invention provides a flexible battery comprising: a positive electrode collector layer having a first outer surface and a first inner surface; a negative electrode collector layer having a second outer surface and a second inner surface; a frame sandwiched between the first inner surface and the second inner surface to form a sealing area; an electrochemical system layer disposed in the enclosing area and adjacent to the side surface of the plastic frame; and a stress reinforcing material On the first outer surface and/or the second outer surface, and the thickness ratio of the stress reinforcement to the positive electrode collector layer or the negative electrode collector layer is between 0.25 and 6.
  • the electrochemical system layer includes a positive electrode active material layer, a negative electrode active material layer and an electrical insulating layer, and the positive electrode active material layer is adjacent to the first inner surface of the positive electrode current collecting layer, and the negative electrode active material layer and the negative electrode current collecting layer are The inner surfaces are adjacent to each other, and the electrically insulating layer is interposed between the positive active material layer and the negative active material layer.
  • the thickness of the positive electrode collector layer is between 5 ⁇ m and 40 ⁇ m.
  • the thickness of the negative electrode collector layer is between 2 ⁇ m and 20 ⁇ m.
  • the stress reinforcing material has a thickness of 10 ⁇ m to 30 ⁇ m.
  • the stress reinforcing material is selected from the group consisting of polyethylene terephthalate (PET), polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PC), polystyrene (PS), and polyimide.
  • PET polyethylene terephthalate
  • PVC polyvinyl chloride
  • PE polyethylene
  • PC polypropylene
  • PS polystyrene
  • polyimide polyimide
  • nylon nylon
  • polyethylene terephthalate polyurethane
  • acrylic epoxy
  • silicone silicone
  • an adhesive layer is further included between the stress reinforcement and the first outer surface, at least one of the stress reinforcement and the second outer surface.
  • the thickness of the adhesive layer is not more than 5 ⁇ m.
  • the adhesive layer is selected from the group consisting of polyurethane, Acrylic, epoxy, silicone, and combinations thereof.
  • the Young's modulus of the stress reinforcing material is similar to the positive electrode current collecting layer and the negative electrode current collecting layer.
  • the enclosed area is sealed.
  • the stress reinforcing material of the present invention has certain structural strength and ductility, and the stress reinforcing material should select a material whose Young's modulus is close to the collector layer, and the thickness of the stress reinforcing material is smaller than the collector layer, and the current is collected by the positive electrode.
  • a stress reinforcing material is disposed on the layer and the negative collector layer to enhance the surface strength of the collector layer, so that the collector layer has a certain structural stress, and it is difficult to generate an unrecoverable deformation when bent.
  • FIGS. 1A-1C are schematic structural views of an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of another embodiment of the present invention.
  • Collector layer means a region where electrons are collected and released, usually composed of a metal, particularly a metal which does not react with an active material.
  • the collector layer described in the present invention means a positive electrode collector layer and/or a negative electrode collector layer.
  • Electrochemical system layer means the region of the electrochemical reaction.
  • the collector layer is not included in the electrochemical system layer, and its electron exchange occurs at the interface between the electrochemical system layer and the collector layer.
  • the electrical insulation in the “electrical insulation layer” refers to the isolation of electrons. That is to say, the electrical insulation layer refers to the area where the electrons can flow but does not affect the flow of ions. Usually, it is sandwiched between the positive electrode and the negative electrode. In the present invention, the electron flow between the positive electrode active material layer and the negative electrode active material layer is isolated, and is selected from the group consisting of liquid, solid, colloidal, and/or combinations thereof.
  • Enclosed area means an area that is isolated from the external environment.
  • the enclosing area is enclosed by the collector layer and the plastic frame, and the electrochemical system layer is disposed in the enclosing area.
  • the electrochemical system layer of the present invention passes through the collector layer and the glue.
  • the enclosure of the box is isolated from the outside world.
  • the stress reinforcement material needs to have a certain structural strength to provide the structural stress of the collector layer.
  • the stress reinforcement In order to maintain the flexible characteristics of the flexible battery, the stress reinforcement needs to have a certain flexibility.
  • the flexible battery 10 includes a positive electrode current collecting layer 12, a negative electrode current collecting layer 14, a plastic frame 16, a stress reinforcing material 18, and an electrochemical system layer 20, wherein the stress reinforcing material 18 is disposed on the first outer surface of the positive electrode current collecting layer 12.
  • 122 as shown in FIG. 1A, or the stress reinforcing material 18 is disposed on the second outer surface 142 of the negative electrode collector layer 14, as shown in FIG. 1B, or the stress reinforcing material 18 is disposed on the positive electrode collector layer 12.
  • the first outer surface 122 and the second outer surface 142 of the negative current collector layer 14 are as shown in FIG. 1C. Referring to FIG.
  • the electrochemical system layer 20 includes a positive electrode active material layer 202, a negative electrode active material layer 204, and an electrical insulating layer 206, wherein the positive electrode active material layer 202 is adjacent to the first inner surface 120 of the positive electrode current collector layer 12 and the negative electrode active material layer 204. Adjacent to the second inner surface 140 of the negative electrode current collector layer 14, the electrically insulating layer 206 is interposed between the positive electrode active material layer 202 and the negative electrode active material layer 204.
  • the Young's modulus of the stress reinforcement material is similar to that of the collector layer, and the thickness of the stress reinforcement material and the collector layer is in a certain range, because the Young's modulus of the stress reinforcement material is The difference between the number and the collector layer is too much, and the thickness of the stress reinforcement material is too different from the collector layer. When the stress is applied, the bending degree may be different. Once the deformation of the stress reinforcement material and the collector layer When the difference of the shape variables is too large, it will be affected by the surface deformation of each other, and the structure with smaller deformation variables will not be deformed with the adjacent layer structure, and the occurrence of the texture or even the occurrence of cracks will occur. Therefore, the stress reinforcing material selects a material having a Young's modulus similar to that of the collector layer, and the thickness ratio of the stress reinforcing material to the collector layer is between 0.25 and 6.
  • the thickness may be between 5 ⁇ m and 15 ⁇ m. If aluminum is selected as the material, the thickness may be between 25 ⁇ m and 40 ⁇ m, and if the negative electrode collector layer is stainless steel. The material may have a thickness of between 5 ⁇ m and 15 ⁇ m. If copper is selected as the material, the thickness may be between 2 ⁇ m and 20 ⁇ m. According to the above, since different materials have different material rigidity, the substrates of different materials are used. The thickness range is not the same.
  • the preferred thickness is not more than 30 ⁇ m, otherwise the excessively thick stress reinforcing material may become difficult to bend due to its own thickness, but for a thin thickness of the stress reinforcing material, for example, less than 10 ⁇ m, it is difficult to provide the purpose of strengthening the structural strength.
  • the thickness of the preferred stress reinforcing material is between 10 ⁇ m and 12 ⁇ m, which can exert a better effect, and in terms of the material of the stress reinforcing material.
  • Common and alternative materials such as, but not limited to, polyethylene terephthalate (PET), polyvinyl chloride (PVC), polyethylene (PE), polypropylene (PC), polystyrene (PS), polyacyl Imine (polyimide), nylon (nylon), polyethylene terephthalate, polyurethane, acrylic, epoxy, silicone, etc., but The actual application is not limited to the types of materials mentioned above.
  • the thickness of the collector layer is not greater than the active material layer due to the active material layer
  • the active material layer has a relatively low ductility due to its own material, if the thickness of the active material layer is too thick, it is not only prone to activity.
  • the problem of brittle fracture of the material layer causes the active material layer to pierce the collector layer, or the collector layer may excessively pull the active material layer to cause the collector layer to rupture.
  • the stress reinforcing material is disposed on the collector layer by coating, spraying, or printing, or an adhesive layer may be added between the stress reinforcing material and the collector layer to bond Stress reinforcement and collector layer.
  • FIG. 2 is a structural diagram of a flexible battery incorporating an adhesive layer.
  • the flexible battery 10 has an adhesive layer 22 , and the adhesive layer 22 is sandwiched on the first outer surface. 122 and between the stress reinforcing material 18 and/or between the second outer surface 142 and the stress reinforcing material 18, in other words, between the positive electrode current collecting layer 12 and the stress reinforcing material 18, and the negative electrode current collecting layer 14 and At least one of the stress reinforcing members 18 is provided with an adhesive layer 22, and FIG. 2 only shows that the first outer surface 122 of the positive electrode current collector layer 12 and the second outer surface 142 of the negative electrode current collector layer 14 are provided with an adhesive layer.
  • the adhesive layer 22 may exist only between at least one of the positive electrode current collecting layer 12 and the stress reinforcing material 18, the negative electrode current collecting layer 14, and the stress reinforcing material 18, the actual situation Depending on where the stress stiffener 18 is disposed, for example, when the stress stiffener 18 is disposed only on the first outer surface 122, the adhesive layer 22 is also disposed only between the first outer surface 122 and the stress stiffener 18.
  • the adhesive layer is composed of an adhesive, and the adhesive may be composed of polyurethane, acrylic, epoxy, silicone, etc., and has a thickness of not more than 5 ⁇ m.
  • the electrochemical system layer is isolated from the outside by the encapsulation of the collector layer and the plastic frame, so that the enclosed area is sealed and does not come into contact with the external environment. That is to say, the plastic frame needs to have the function of water-blocking gas, and needs to have flexibility. Therefore, the material of the plastic frame of the present invention is selected from silicone, and the silica gel can achieve the function of water-blocking gas, and it is matured. It still has flexibility afterwards.
  • the plastic frame at least partially overlaps the positive electrode collector layer and the negative electrode collector layer in the orthogonal projection direction, that is, in the orthographic projection direction, the plastic frame does not need to completely overlap the positive electrode collector layer and the negative electrode collector layer.
  • the flexible battery on the market uses an aluminum plastic film as a packaging material for the battery to accommodate a cathode, an anode, a separator, and an electrolyte.
  • the present invention uses a collector layer and a plastic frame as a package, that is, the collector layer not only collects and releases electrons, but also isolates the electrochemical system layer from the outside together with the plastic frame, and reflects the market.
  • the flexible battery is isolated from the outside by the aluminum film. Therefore, the present invention is quite different from the flexible battery structure in which an aluminum plastic film is generally used.
  • the present invention provides a stress reinforcing material on the collector layer to improve the surface strength of the collector layer.
  • the collector layer has a certain structural stress, it is less likely to wrinkle or sharp when bent, or Unrecoverable deformation, so that even if the flexible battery is repeatedly bent, it can maintain good capacitance and battery life.

Landscapes

  • 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)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

L'invention concerne une batterie souple, comprenant : une couche de collecteur d'électrode positive, qui présente une première surface externe et une première surface interne ; une couche de collecteur d'électrode négative, qui présente une seconde surface externe et une seconde surface interne ; un cadre, qui est pris en sandwich entre la première surface interne et la seconde surface interne pour former une région fermée ; et une couche de système électrochimique, qui est disposée dans la région fermée et qui est adjacente à la surface latérale du cadre, la première surface externe et/ou la seconde surface externe étant pourvues d'un matériau de renforcement de contrainte, et le rapport de l'épaisseur du matériau de renforcement de contrainte sur celle de la couche de collecteur d'électrode positive ou celle de la couche de collecteur d'électrode négative étant compris entre 0,25 et 6. La surface externe d'au moins une couche de collecteur est pourvue du matériau de renforcement de contrainte pour améliorer la contrainte structurale de la couche de collecteur, de telle sorte que la couche de collecteur soit moins sujette à faire des plis ou à subir une déformation de laquelle elle ne peut pas se rétablir après que la batterie souple a subi une flexion répétée.
PCT/CN2018/100846 2017-09-29 2018-08-16 Batterie souple Ceased WO2019062373A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020600024U JP3229241U (ja) 2017-09-29 2018-08-16 フレキシブル電池
DE212018000257.6U DE212018000257U1 (de) 2017-09-29 2018-08-16 Flexible Batterie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710908079.1 2017-09-29
CN201710908079.1A CN109585897B (zh) 2017-09-29 2017-09-29 可挠电池

Publications (1)

Publication Number Publication Date
WO2019062373A1 true WO2019062373A1 (fr) 2019-04-04

Family

ID=65900543

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/100846 Ceased WO2019062373A1 (fr) 2017-09-29 2018-08-16 Batterie souple

Country Status (4)

Country Link
JP (1) JP3229241U (fr)
CN (1) CN109585897B (fr)
DE (1) DE212018000257U1 (fr)
WO (1) WO2019062373A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115191055A (zh) * 2021-03-15 2022-10-14 宁德新能源科技有限公司 电池及包括该电池的装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115117367B (zh) * 2021-03-18 2025-10-28 辉能科技股份有限公司 电极组件及其电池装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130029205A1 (en) * 2010-02-08 2013-01-31 Qinetiq Limited Thin Electrochemical Cell
CN105529501A (zh) * 2016-01-21 2016-04-27 东莞市海量能源科技有限公司 一种薄型锂电池的制备方法
CN106816620A (zh) * 2015-11-30 2017-06-09 三星Sdi株式会社 柔性可再充电电池
CN107017414A (zh) * 2015-12-21 2017-08-04 斯沃奇集团研究和开发有限公司 电池

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5558957A (en) * 1994-10-26 1996-09-24 International Business Machines Corporation Method for making a thin flexible primary battery for microelectronics applications
TWI269454B (en) * 2005-05-25 2006-12-21 Ind Tech Res Inst Flexible package structure and applications thereof
US10033048B2 (en) * 2008-09-05 2018-07-24 Renata Ag Thin film battery
CN107452928B (zh) * 2012-02-07 2021-07-27 辉能科技股份有限公司 电能供应系统及其陶瓷隔离层
US9564660B2 (en) * 2013-06-27 2017-02-07 QingHong Technology Co., Ltd. Electric core for thin film battery
CN104810504B (zh) * 2014-01-24 2017-12-19 中国科学院金属研究所 一种柔性石墨烯集流体与活性材料一体化电极极片及其制备方法
CN104681858B (zh) * 2015-01-30 2017-05-10 中南大学 一种超薄柔性锂离子电池及其制备方法
CN106784993A (zh) * 2016-12-29 2017-05-31 中国电子科技集团公司第十八研究所 一种柔性聚合物薄型锂离子电池及其制备方法
CN107134561B (zh) * 2017-05-05 2019-12-03 杭州金色能源科技有限公司 电池极片以及防止电池极片卷曲的方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130029205A1 (en) * 2010-02-08 2013-01-31 Qinetiq Limited Thin Electrochemical Cell
CN106816620A (zh) * 2015-11-30 2017-06-09 三星Sdi株式会社 柔性可再充电电池
CN107017414A (zh) * 2015-12-21 2017-08-04 斯沃奇集团研究和开发有限公司 电池
CN105529501A (zh) * 2016-01-21 2016-04-27 东莞市海量能源科技有限公司 一种薄型锂电池的制备方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115191055A (zh) * 2021-03-15 2022-10-14 宁德新能源科技有限公司 电池及包括该电池的装置

Also Published As

Publication number Publication date
CN109585897B (zh) 2022-05-31
CN109585897A (zh) 2019-04-05
DE212018000257U1 (de) 2020-02-21
JP3229241U (ja) 2020-12-03

Similar Documents

Publication Publication Date Title
EP2975666B1 (fr) Batterie secondaire flexible
JP6484800B2 (ja) フレキシブル電池
EP2975667A1 (fr) Batterie secondaire flexible
JP6280521B2 (ja) 電気化学セル
CN209105452U (zh) Mems麦克风和电子设备
CN105210211B (zh) 电化电池
KR20150128402A (ko) 가요성 이차 전지
WO2022205183A1 (fr) Appareil électrochimique et appareil électronique
KR20140092031A (ko) 배터리 팩
WO2022160270A1 (fr) Appareil électrochimique et dispositif électronique
WO2019062373A1 (fr) Batterie souple
CN111373574B (zh) 锂二次电池
CN208208836U (zh) 一种软包圆盘形锂离子电池组
JP2006269288A (ja) 薄型電池
US20180108879A1 (en) Battery structure
WO2022160269A1 (fr) Appareil électrochimique et dispositif électronique
TWI639269B (zh) 可撓電池
CN203950857U (zh) 软包装电池及电池模组
CN206040660U (zh) 太阳能模块
WO2021109670A1 (fr) Structure d'emballage et élément de batterie l'utilisant
EP3309857A1 (fr) Structure de batterie
CN209000959U (zh) 二次电池
AU2018272338A1 (en) Battery structure
CN214672783U (zh) 电池和用电设备
EP3309871A1 (fr) Ensemble d'électrode, batterie lithium-ion et dispositif électronique le comprenant

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18863096

Country of ref document: EP

Kind code of ref document: A1

DPE1 Request for preliminary examination filed after expiration of 19th month from priority date (pct application filed from 20040101)
ENP Entry into the national phase

Ref document number: 2020600024

Country of ref document: JP

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 18863096

Country of ref document: EP

Kind code of ref document: A1