WO2022077961A1 - Pile bouton entièrement solide - Google Patents

Pile bouton entièrement solide Download PDF

Info

Publication number
WO2022077961A1
WO2022077961A1 PCT/CN2021/104296 CN2021104296W WO2022077961A1 WO 2022077961 A1 WO2022077961 A1 WO 2022077961A1 CN 2021104296 W CN2021104296 W CN 2021104296W WO 2022077961 A1 WO2022077961 A1 WO 2022077961A1
Authority
WO
WIPO (PCT)
Prior art keywords
casing
electrically connected
conductor
solid
hole
Prior art date
Application number
PCT/CN2021/104296
Other languages
English (en)
Chinese (zh)
Inventor
陈志勇
Original Assignee
广东微电新能源有限公司
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 广东微电新能源有限公司 filed Critical 广东微电新能源有限公司
Publication of WO2022077961A1 publication Critical patent/WO2022077961A1/fr

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 of a single cell or a single battery
    • H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
    • H01M50/109—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure of button or coin shape
    • 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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
    • 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 technical field of button batteries, and more particularly, to a solid-state button battery.
  • the current button battery uses electrolyte as a conductive medium. Due to the liquid nature of the electrolyte, it is prone to problems such as insufficient safety of electrolyte leakage, combustion and even explosion.
  • An object of the present invention is to provide a solid state button battery.
  • a solid-state button battery includes a housing and a battery cell;
  • the casing includes a first casing, a second casing and an insulating member, at least one of the first casing and the second casing forms a groove structure, and the first casing and the second casing form a groove structure.
  • the two shells are snapped together to form an inner cavity, and the insulating member is arranged between the first shell and the second shell;
  • the battery core is arranged in the inner cavity, and the battery core includes positive electrode sheets and negative electrode sheets arranged alternately and stacked, and an isolation layer is arranged between the adjacent positive electrode sheets and the negative electrode sheets.
  • the surface of the sheet and the negative electrode sheet is provided with a solid electrolyte layer;
  • the negative electrode sheet is provided with a first conductor
  • the positive electrode sheet is provided with a second conductor
  • the first conductor is electrically connected to the first casing
  • the second conductor is electrically connected to the second casing.
  • the first conductor includes a first branch conductor disposed on the side wall of the negative electrode sheet, the first branch conductor is electrically connected to the first casing, and the second conductor includes a first branch conductor disposed on the side wall of the negative electrode sheet.
  • a second branch conductor on the side wall of the positive electrode sheet, the second branch conductor is electrically connected to the second casing.
  • first current collector is electrically connected to the first casing
  • second current collector is electrically connected to the second casing
  • the first current collector is provided with a first conductive portion, and the first conductive portion is electrically connected to the first branch conductor;
  • the second current collector is provided with a second conductive portion, and the second conductive portion is electrically connected to the second branch conductor.
  • the first current collector is opposite to the top of the cell, the first conductive portion is opposite to the side wall of the cell, the second current collector is opposite to the bottom of the cell, The second conductive portion is opposite to the sidewall of the cell.
  • it further includes a first insulating pad and a second insulating pad, the first insulating pad is located between the first housing and the battery core, and a first escape area is provided on the first insulating pad, The first branch conductor is electrically connected to the first casing through the first escape area, the second insulating pad is located between the second casing and the battery core, and the second insulating pad is located between the second casing and the battery core.
  • a second escape area is provided on the pad, and the second branch conductor passes through the second escape area and is electrically connected to the second shell.
  • the negative electrode plate is provided with a first through hole and a second through hole
  • the first conductor includes a first conductor layer disposed in the first through hole, and the first conductor layer is connected to the first through hole.
  • the first casing is electrically connected
  • the second through hole is provided with a first insulating layer;
  • the positive electrode plate is provided with a third through hole and a fourth through hole
  • the second conductor includes a second conductor layer disposed in the fourth through hole, the second conductor layer and the second shell electrical connection
  • the third through hole is provided with a second insulating layer
  • the first through hole is opposite to the third through hole to form a first channel
  • the second through hole is opposite to the fourth through hole to form a second channel
  • a first conductive column is provided in the first channel, the first conductive column is electrically connected to the first conductor layer, and the first conductive column is electrically connected to the first casing, so A second conductive column is arranged in the second channel, the second conductive column is electrically connected to the second conductor layer, and the second conductive column is electrically connected to the second casing.
  • the first conductive column extends out of the first channel to be electrically connected to the first casing
  • the second conductive column extends out of the second channel to be electrically connected to the second casing
  • it also includes a third insulating pad and a fourth insulating pad, the third insulating pad is located between the first housing and the battery core, and a third escape area is provided on the third insulating pad, The first conductive column is electrically connected to the first casing through the third escape area, the fourth insulating pad is located between the second casing and the battery core, and the fourth insulating pad A fourth escape area is provided on the pad, and the second conductive column passes through the fourth escape area and is electrically connected to the second shell.
  • the first casing includes a top plate and a first side wall, the first side wall is disposed around the top plate, the second casing includes a second side wall and a bottom plate, the second side wall The insulating member is disposed around the bottom plate, and the insulating member is disposed between the first side wall and the second side wall.
  • the solid-state button battery has a simple structure and is more secure.
  • FIG. 1 is a schematic structural diagram of a casing in a solid-state button battery according to an embodiment of the present disclosure.
  • FIG. 2 is one of the structural schematic diagrams of the cross-section of the solid-state button battery according to an embodiment of the present disclosure.
  • FIG. 3 is an enlarged view of A in FIG. 2 .
  • FIG. 4 is a schematic structural diagram of a cross-section of a solid-state button battery in an embodiment of the present disclosure.
  • FIG. 5 is a schematic structural diagram of a cross-section of a solid-state button battery in an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a cell in an embodiment of the present disclosure.
  • a solid-state button battery is provided, as shown in FIGS. 1-3 , the solid-state button battery includes a casing 1 and a battery cell 2 ;
  • the casing 1 includes a first casing 11, a second casing 12 and an insulating member 3. At least one of the first casing 11 and the second casing 12 forms a groove structure, and the first casing 11 and the second casing 12 form a groove structure.
  • the casing 11 and the second casing 12 are buckled to form an inner cavity 10 , and the insulating member 3 is arranged between the first casing 11 and the second casing 12 ;
  • the battery cell 2 is arranged in the inner cavity 10 , and the battery core 2 includes positive electrode sheets 22 and negative electrode sheets 21 arranged alternately and stacked, and the adjacent positive electrode sheets 22 and the negative electrode sheets 21 are arranged between the adjacent positive electrode sheets 22 and the negative electrode sheets 21 .
  • the negative electrode sheet 21 is provided with a first conductor
  • the positive electrode sheet 22 is provided with a second conductor
  • the first conductor is electrically connected to the first casing 11
  • the second conductor is connected to the second conductor.
  • the housing 12 is electrically connected.
  • the numbers of the positive electrode sheets 22 and the negative electrode sheets 21 in the battery cell 2 are set according to actual requirements.
  • the surfaces of the positive electrode sheet 22 and the negative electrode sheet 21 are coated with solid electrolyte to form a solid electrolyte layer, for example, the coated solid electrolyte may be a polymer solid electrolyte.
  • the polymer solid electrolyte can be polyethylene oxide (PEO), polyacrylonitrile (PAN), polyvinylidene fluoride (PVDF), polymethyl methacrylate (PMMA), polypropylene oxide (PPO), polyvinylidene fluoride (PVDF) Vinyl Chloride (PVDC).
  • the coated solid electrolyte may also be a sulfide electrolyte, an oxide electrolyte, or the like.
  • Each first conductor electrically connects the corresponding negative electrode sheet 21 with the first case 11
  • each second conductor electrically connects the corresponding positive electrode sheet 22 with the second case 12 , so that each of the cells 2 is electrically connected.
  • Each negative electrode piece 21 is connected to the first casing 11 to form the negative electrode of the solid state button battery
  • each positive electrode piece 22 is connected to the second housing 12 to form the positive electrode of the solid state button battery.
  • the structure of the solid-state button battery is simple, and the solid-state electrolyte can avoid problems such as electrolyte leakage, burning and even explosion of the button battery. Improves the safety of using button batteries.
  • the first conductor includes a first branch conductor 211 a disposed on the side wall of the negative electrode sheet 21 , and the first branch conductor 211 a is connected to the first branch conductor 211 a.
  • a casing 11 is electrically connected
  • the second conductor includes a second branch conductor 221 a disposed on the side wall of the positive electrode sheet 22 , and the second branch conductor 221 a is electrically connected to the second casing 12 .
  • the first branch conductor 211a drawn from the side wall of the negative electrode sheet 21 and the second branch conductor 221a drawn from the side wall of the positive electrode sheet 22 connect the cell 2 with the first case 11 and the second case Body 12 is turned on.
  • the first branch conductor 211a and the second branch conductor 221a do not occupy space on the thickness of the solid-state button battery, thereby reducing the thickness and size of the solid-state button battery, making the solid-state button battery more compact and lightweight.
  • the first branch conductor 211a and the second branch conductor 221a are both wires, the wires on the negative electrode sheet 21 are drawn out to be electrically connected to the first casing 11, and the wires on the positive electrode sheet 22 are drawn out and electrically connected to the second casing 12 connect. It can be that the wires on the pole pieces of the same polarity are electrically connected to the corresponding casing after being connected to each other, or that each wire on the pole piece is electrically connected to the corresponding casing respectively.
  • first branch conductor 211a and the second branch conductor 221a are both conductive parts, and the first branch conductor 211a on each negative electrode sheet 21 is electrically connected to the first casing 11 through the conductive parts.
  • the second branch conductor 221a on each positive electrode sheet 22 is electrically connected to the second casing 12 .
  • the solid-state button battery further includes a first current collector 41 and a second current collector 42 , and the first current collector 41 is electrically connected to the first casing 11 . , the second current collector 42 is electrically connected to the second casing 12;
  • the first current collector 41 is provided with a first conductive portion 411, and the first conductive portion 411 is electrically connected to the first branch conductor 211a;
  • the second current collector 42 is provided with a second conductive portion 421, and the second conductive portion 421 is electrically connected to the second branch conductor 221a.
  • the first current collector 41 is electrically connected to the first casing 11 , and the first branch conductor 211 a conducts with the first current collector 41 through the first conductive portion 411 , so that the first branch conductor 211 a and the first casing 11 are electrically connected. electrical connection structure.
  • the second current collector 42 is electrically connected to the second casing 42 , and the second branch conductor 221 a is electrically connected to the second current collector 42 through the second conductive portion 421 , so that the second branch conductor 221 a is electrically connected to the second casing 12 . electrical connection structure.
  • an electrical connection is formed between the first branch conductor 211a and the first housing 11 through the first current collector 41 and the first conductive portion 411, which can simplify the structure of the first branch conductor 211a and avoid multiple first branch conductors 211a.
  • a conductor 211a forms a complicated connection structure with the first casing 11 .
  • the second current collector 42 and the second conductive portion 411 form an electrical connection between the second branch conductor 221a and the second housing 12, which can simplify the structure of the second branch conductor 221a and avoid multiple second branch conductors 221a and the second branch conductor 221a.
  • the housing 12 forms a complex connection structure.
  • the first current collector 41 is opposite to the top of the battery core 2
  • the first conductive portion 411 is opposite to the side wall of the battery core 2
  • the second current collector 42 is opposite to the battery core 2
  • the bottom of the core 2 is opposite to each other
  • the second conductive portion 421 is opposite to the side wall of the battery core 2 .
  • the first conductive portion 411 conducts the first branch conductor 211 a located on the side wall of the cell 2 with the partial structure of the first casing 11 located on the top of the cell 2 through the first current collector 41 .
  • the second conductive portion 421 conducts the second branch conductor 221 a located on the side wall of the cell 2 with the partial structure of the second casing 12 located at the bottom of the cell 2 through the second current collector 42 .
  • the structure formed by the first current collector 41 and the first conductive portion 411 , and the structure formed by the second current collector 42 and the second conductive portion 421 occupy less space in the inner cavity 10 and save the space of the inner cavity 10 . volume of space.
  • the cross-sections of the first current collector 41 and the first conductive portion 411 are L-shaped structures, the first current collector 41 forms one side of the L-shaped structure, and the first conductive portion 411 forms the other side.
  • the structures of the first current collector 41 and the first conductive portion 411 can fit the structure of the cell 2 to reduce the space occupied.
  • the cross section of the second current collector 42 and the second conductive portion 421 is an L-shaped structure, the second current collector 42 forms one side of the L-shaped structure, and the second conductive portion 421 forms the other side. In this way, the structure of the second current collector 42 and the second conductive portion 421 can fit the structure of the cell 2 to reduce the space occupied.
  • the solid-state button battery further includes a first insulating pad 51 and a second insulating pad 52 , the first insulating pad 51 is located between the first housing 11 and the battery Between the cores 2, the first insulating pad 51 is provided with a first escape area, the first branch conductor 211a passes through the first escape area and is electrically connected to the first shell 11, and the second The insulating pad 52 is located between the second casing 12 and the battery cell 2 , a second escape area is provided on the second insulating pad 52 , and the second branch conductor 221 a passes through the second escape area It is electrically connected to the second housing 12 .
  • the first insulating pad 51 forms insulation between the battery cell 2 and the first casing 11 to prevent the first casing 11 and the positive electrode sheet 22 from being conductive and short-circuited, so that the first branch conductor on the negative electrode sheet 21 is not short-circuited.
  • 211a can be electrically connected with the first casing 11 to be electrically connected.
  • the second insulating pad 52 forms insulation between the battery cell 2 and the second casing 12 to prevent the second casing 12 and the negative electrode sheet 21 from being conductive and short-circuited, so that the second branch conductor 221a on the positive electrode sheet 22 can be connected to the second casing.
  • the body 12 conducts to form an electrical connection.
  • a part of the first insulating pad 51 is located on the top of the cell 2, and the other part is located on the side wall of the cell 2, respectively on the first current collector 41 and the first conductive part Insulation is formed between 411 and the cell 2 .
  • the first escape area is disposed on the part of the side wall of the cell 2 , so that the first branch conductor 211 a can pass through the first escape area and be electrically connected to the first conductive portion 411 .
  • the number and specific positions of the first avoidance areas are set corresponding to the first branch conductors 211a.
  • a part of the structure of the second insulating pad 52 is located at the bottom of the cell 2, and the other part is located at the side wall of the cell 2, respectively at the second current collector 42 and the second conductive part Insulation is formed between 421 and the cell 2 , and the second escape area is provided on the part of the side wall of the cell 2 , so that the second branch conductor 221 a can pass through the second escape area and be electrically connected to the second conductive portion 421 .
  • the number and specific positions of the second avoidance areas are set corresponding to the second branch conductors 221a.
  • the negative electrode sheet 21 is provided with a first through hole and a second through hole, and the first conductor includes a first through hole disposed in the first through hole.
  • a conductor layer 211b, the first conductor layer 211b is electrically connected to the first casing 11, and a first insulating layer 212 is provided in the second through hole;
  • the positive electrode sheet 22 is provided with a third through hole and a fourth through hole, the second conductor includes a second conductor layer 221b disposed in the fourth through hole, and the second conductor layer 221b is connected to the fourth through hole.
  • the two housings 12 are electrically connected, and the third through hole is provided with a second insulating layer 222;
  • the first through hole is opposite to the third through hole to form a first channel
  • the second through hole is opposite to the fourth through hole to form a second channel.
  • the first channel only the first conductor layer 211b is connected to the negative electrode sheet 21, and the third through hole on the positive electrode sheet 22 is provided with a second insulating layer 222 to form insulation.
  • the second channel can only conduct conduction with the positive electrode sheet 22 through the second conductor layer 221b, and a first insulating layer 212 is provided in the second through hole of the negative electrode sheet 21 to form insulation.
  • through holes are provided on the positive electrode sheet 22 and the negative electrode sheet 21, and a conductor layer is provided in the corresponding through hole, so that the conductor layer is connected to the corresponding casing.
  • the first channel is provided with a first conductive column 71, the first conductive column 71 is electrically connected to the first conductor layer 211b, and the first conductive column 71 is connected to the first casing 11 Electrical connection
  • the second channel is provided with a second conductive column 72, the second conductive column 72 is electrically connected to the second conductor layer 221b, and the second conductive column 72 is connected to the second shell 12 Electrical connections.
  • the first conductive pillars 71 can conduct electrical connection between all the first conductor layers 211b in the first channel and the first casing 11 , so that the electrical connection structure between the negative electrode sheet 21 and the first casing 11 is simpler.
  • the second conductive pillars 72 can conduct electrical connection between all the second conductor layers 221b in the second channel and the second casing 12 , so that the electrical connection structure between the positive electrode sheet 22 and the second casing 12 is simpler.
  • the first case 11 only needs to be electrically connected to the first conductive pillars 71 , and can be electrically connected to all the negative electrode sheets 21
  • the second case 12 only needs to be electrically connected to the second conductive pillars 72 , and can be electrically connected to all the positive electrode sheets 22 is on.
  • the first conductive post 71 protrudes from the first channel to be electrically connected to the first housing 11
  • the second conductive post 72 protrudes from the second channel and the second The housing 12 is electrically connected.
  • the extension of the first conductive column 71 from the first channel can make the electrical connection structure between the first conductive column 71 and the first casing 11 simpler, and no additional structure is required.
  • the second conductive column 72 extending out of the second channel makes the electrical connection structure between the second conductive column 72 and the second casing 12 simpler, and no additional structure is required.
  • the solid-state button battery further includes a third insulating pad 53 and a fourth insulating pad 54 , and the third insulating pad 53 is located between the first housing 11 and the battery cell. 2, the third insulating pad 53 is provided with a third escape area, the first conductive post 71 is electrically connected to the first housing 11 through the third escape area, and the fourth insulating The pad 54 is located between the second casing 12 and the battery core 2 , a fourth escape area is provided on the fourth insulating pad 54 , and the second conductive column 72 passes through the fourth escape area and The second housing 12 is electrically connected.
  • the third insulating pad 53 forms insulation between the battery cell 2 and the first casing 11 to avoid short circuit between the positive electrode sheet 22 of the battery cell 2 and the first casing 11 .
  • the third escape area prevents the third insulating pad 53 from affecting the electrical connection between the first conductive pillar 71 and the first casing 11 .
  • the fourth insulating pad 54 can prevent the negative electrode sheet 21 of the battery cell 2 from being short-circuited with the second casing 12 .
  • the fourth escape area prevents the fourth insulating pad 54 from affecting the electrical connection between the second conductive pillar 72 and the second casing 12 .
  • the direct electrical connection between the first conductive column 71 and the first casing 11 and the direct electrical connection between the second conductive column 72 and the second casing 12 can save the space of the inner cavity 10 .
  • a third current collector 43 is disposed between the third insulating pad 53 and the first casing 11 , and the first conductive column 71 forms an electrical connection with the first casing 11 through the third current collector 43 . connect.
  • a fourth current collector 44 is disposed between the fourth insulating pad 54 and the second casing 12 , and the second conductive column 72 is electrically connected to the second casing 12 through the fourth current collector 44 .
  • the provision of the third current collector 43 can increase the structural strength between the first conductive column 71 and the first casing 11 .
  • the fourth current collector 44 can increase the structural strength between the second conductive pillars 72 and the second casing 12 .
  • the first housing 11 includes a top plate 110 and a first side wall 111 , the first side wall 111 is disposed around the top plate 110 , and the second The housing 12 includes a second side wall 121 and a bottom plate 120 , the second side wall 121 is disposed around the bottom plate 120 , and the insulating member 3 is disposed between the first side wall 111 and the second side wall 121 . between.
  • the top plate 110 and the first side wall 111 are enclosed to form a groove structure of the first casing 11
  • the bottom plate 120 and the second side wall 121 are enclosed to form a groove structure of the second casing 12
  • the first The casing 11 and the second casing 12 are snapped together to form an inner cavity.
  • the negative electrode sheet 21 in the battery cell 2 is electrically connected to the top plate 110 through the first conductor, so that the top plate 110 has a negative polarity.
  • the positive electrode sheet 22 is electrically connected to the base plate 120 through the second conductor, so that the base plate 120 has a positive polarity.
  • a part of the structure on the top plate 110 is exposed to the outside of the casing 1 and can be electrically connected, and the negative electrode sheet 21 is electrically connected to the part of the structure, so that the part of the structure forms the negative electrode of the battery.
  • a part of the structure on the bottom plate 120 is exposed to the outside of the casing 1 and can be electrically connected, and the positive electrode sheet 22 is electrically connected to the part of the structure, so that the part of the structure forms the positive electrode of the battery.

Abstract

La présente invention concerne une pile bouton entièrement solide, la pile bouton entièrement solide comprenant un boîtier (1) et une cellule (2). Le boîtier (1) comprend un premier boîtier (11), un second boîtier (12) et un élément isolant (3), au moins l'un du premier boîtier (11) et du second boîtier (12) étant formée avec une structure de fente, et le premier boîtier (11) est fixé au second boîtier (12) pour former une cavité interne (10) ; et l'élément isolant (3) est disposé entre le premier boîtier (11) et le second boîtier (12). La cellule (2) est disposée dans la cavité interne (10). La cellule (2) comprend des plaques positives (22) et des plaques négatives (21), qui sont disposées en alternance de manière empilée, des couches d'isolation (23) étant disposées entre les plaques positives (22) et les plaques négatives (21), qui sont adjacentes l'une à l'autre ; et des surfaces des plaques positives (22) et des plaques négatives (21) sont toutes pourvues de couches d'électrolyte entièrement solides. Les plaques négatives (21) comprennent des premiers conducteurs (211), et les plaques positives (22) comprennent des seconds conducteurs (221), les premiers conducteurs (211) étant électriquement connectés au premier boîtier (11), et les seconds conducteurs (221) étant électriquement connectés au second boîtier (12). La pile bouton entièrement solide a une structure simple et une sécurité élevée.
PCT/CN2021/104296 2020-10-12 2021-07-02 Pile bouton entièrement solide WO2022077961A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202022265103.4 2020-10-12
CN202022265103.4U CN213242676U (zh) 2020-10-12 2020-10-12 固态纽扣电池

Publications (1)

Publication Number Publication Date
WO2022077961A1 true WO2022077961A1 (fr) 2022-04-21

Family

ID=75880407

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2021/104296 WO2022077961A1 (fr) 2020-10-12 2021-07-02 Pile bouton entièrement solide

Country Status (2)

Country Link
CN (1) CN213242676U (fr)
WO (1) WO2022077961A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN213242676U (zh) * 2020-10-12 2021-05-18 广东微电新能源有限公司 固态纽扣电池
KR20230136787A (ko) * 2022-03-17 2023-09-27 삼성에스디아이 주식회사 전고체 이차 전지 및 그 모듈

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597282A (en) * 1969-07-09 1971-08-03 Gulton Ind Inc Rechargeable sealed secondary battery of the button type
CN1577940A (zh) * 2003-07-23 2005-02-09 松下电器产业株式会社 硬币型全固体电池
CN110752401A (zh) * 2019-09-30 2020-02-04 重庆市紫建电子有限公司 一种扣式电池及其制作方法
CN111525072A (zh) * 2020-05-28 2020-08-11 瑞声科技（南京）有限公司 纽扣电池
CN213242676U (zh) * 2020-10-12 2021-05-18 广东微电新能源有限公司 固态纽扣电池

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597282A (en) * 1969-07-09 1971-08-03 Gulton Ind Inc Rechargeable sealed secondary battery of the button type
CN1577940A (zh) * 2003-07-23 2005-02-09 松下电器产业株式会社 硬币型全固体电池
CN110752401A (zh) * 2019-09-30 2020-02-04 重庆市紫建电子有限公司 一种扣式电池及其制作方法
CN111525072A (zh) * 2020-05-28 2020-08-11 瑞声科技（南京）有限公司 纽扣电池
CN213242676U (zh) * 2020-10-12 2021-05-18 广东微电新能源有限公司 固态纽扣电池

Also Published As

Publication number Publication date
CN213242676U (zh) 2021-05-18

Similar Documents

Publication Publication Date Title
WO2022077961A1 (fr) Pile bouton entièrement solide
JP5256231B2 (ja) ２次電池及び２次電池モジュール
CN110168769A (zh) 电池组
TW201947797A (zh) 電池單元、電池模組及汽車
CN104466221B (zh) 二次电池
CN101777708B (zh) 储供电装置电极板多侧转单侧汇流结构
JP2008509534A (ja) 巻回型リチウムイオン二次電池
KR20040045758A (ko) 하이브리드 전기 차량의 전지 셀간 커넥팅 장치
WO2021139649A1 (fr) Batterie, module de batterie, bloc-batterie et véhicule électrique
KR20210138686A (ko) 배터리 모듈, 파워 배터리 팩 및 차량
JP2012054197A (ja) ラミネート電池およびその製造方法
TW201414046A (zh) 鋰電池結構
WO2021038545A1 (fr) Électrode positive de batterie secondaire de type poche et batterie secondaire de type poche
CN103026533A (zh) 具有互异的引线结构的二次电池
JP5474019B2 (ja) 二次電池
US8728655B2 (en) Secondary battery
CN215896630U (zh) 电池及用电装置
CN206301892U (zh) 折叠式电芯及二次扣式锂电池
TW201407859A (zh) 單卷芯、具有單卷芯之鋰電池及單卷芯之連續卷繞方法
KR101089161B1 (ko) 파우치형 이차전지
WO2020238226A1 (fr) Batterie et bloc-batterie
KR102278443B1 (ko) 이차 전지
US20230020749A1 (en) Battery, battery module, battery pack and electric vehicle
CN101931101A (zh) 锂离子动力电池及其制造方法
CN114792836A (zh) 电池及用电装置

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: 21879009

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21879009

Country of ref document: EP

Kind code of ref document: A1