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WO2018048160A1 - Batterie secondaire - Google Patents

Batterie secondaire Download PDF

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Publication number
WO2018048160A1
WO2018048160A1 PCT/KR2017/009661 KR2017009661W WO2018048160A1 WO 2018048160 A1 WO2018048160 A1 WO 2018048160A1 KR 2017009661 W KR2017009661 W KR 2017009661W WO 2018048160 A1 WO2018048160 A1 WO 2018048160A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
electrode
cap plate
spinning
gasket
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/KR2017/009661
Other languages
English (en)
Korean (ko)
Inventor
백윤기
김진
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.)
Samsung SDI Co Ltd
Original Assignee
Samsung SDI 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 Samsung SDI Co Ltd filed Critical Samsung SDI Co Ltd
Publication of WO2018048160A1 publication Critical patent/WO2018048160A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M50/147—Lids or covers
    • 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
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • 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
    • H01M50/552—Terminals characterised by their shape
    • H01M50/553—Terminals adapted for prismatic, pouch or rectangular 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/562—Terminals characterised by the material
    • 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
    • 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

Definitions

  • the present invention relates to a secondary battery.
  • a secondary battery is a battery that can be charged and discharged unlike a primary battery that is not rechargeable. Secondary batteries are widely used in portable electronic devices such as mobile phones, laptops, and camcorders, or widely used as power sources for driving motors of hybrid vehicles.
  • the secondary battery includes an electrode assembly including a positive electrode and a negative electrode, and a separator interposed therebetween.
  • the electrode assembly is accommodated in the case to perform charging and discharging, and the case is connected to a cap assembly having a terminal or a lead tab to supply or receive current.
  • the case may be made of a metal plate or pouch.
  • the plurality of secondary batteries may be electrically connected to each other through a bus bar to form a battery pack, and may be used in a hybrid vehicle requiring a large capacity. When the vehicle is driven or a collision occurs, a shock load is transmitted to the battery pack, and some of the plurality of secondary batteries may be disconnected and electrically separated.
  • One aspect of the present invention is to provide a secondary battery that can prevent the rotation of the electrode terminal.
  • a secondary battery includes an electrode assembly including a separator interposed between a first electrode and a second electrode, a case accommodating the electrode assembly, and a cap connected to seal an opening of the case.
  • a first electrode terminal and a second electrode having a plate, a protruding portion electrically connected to the first electrode through the terminal hole formed in the cap plate, and a first spinning terminal protruding from an upper surface of the cap plate and formed in a circular shape;
  • a second electrode terminal is electrically connected to each other.
  • a gasket is interposed between the first spinning terminal and the cap plate, and a first adhesive layer is formed between the gasket and the cap plate.
  • a second adhesive layer may be formed between the first spinning terminal and the gasket.
  • the cap plate may have a recessed groove portion surrounding the terminal hole outside the terminal hole, and the gasket may include a fitting portion protruding toward the groove portion and fitted into the groove portion.
  • the first spinning terminal may include a protrusion protruding toward the gasket, and the protrusion may be connected to an insertion portion formed in the fitting portion.
  • a plurality of protrusions may protrude from the first spinning terminal, and a plurality of inserts corresponding to the plurality of protrusions may be formed in the fitting portion to be connected to each other.
  • the second electrode terminal may include a terminal portion protruding from the upper surface of the cap plate and formed in a circular shape, and an electrode connection portion protruding from the terminal portion on the cap plate and electrically connected to the second electrode.
  • the terminal portion and the electrode connection portion may be integrally formed on the cap plate.
  • the first electrode terminal may include a second spinning terminal mounted on the first spinning terminal and having a material different from that of the first spinning terminal.
  • the gasket may be configured to insulate the top insulator and the protrusion from the cap plate to insulate the first spinning terminal from the upper surface of the cap plate, and to be inserted into the terminal hole to the lower surface of the cap plate. It may include a seal gasket to insulate the first current collector of the electrode.
  • a third adhesive layer thicker than the first adhesive layer may be formed between the top insulator and the cap plate.
  • a fourth adhesive layer may be formed between the protrusion and the terminal hole.
  • the secondary battery according to an embodiment of the present invention can prevent rotation of the electrode terminal when an external impact or a cyclic load is applied. Accordingly, the electrical connection with the bus bar connected to the electrode terminal can be prevented.
  • FIG. 1 is a perspective view of a rechargeable battery according to an exemplary embodiment of the present invention.
  • FIG. 2 is a cross-sectional view taken along the line II-II of FIG. 1.
  • FIG. 3 is a cross-sectional view taken along line III-III of FIG. 1.
  • FIG. 4 is an enlarged view illustrating an enlarged connection relationship between a first electrode terminal and a cap plate portion illustrated in FIG. 2.
  • FIG. 5 is an enlarged view illustrating an enlarged connection relationship between a first electrode terminal and a cap plate portion illustrated in FIG. 2.
  • FIG. 6 is an enlarged view illustrating an enlarged connection relationship between a first electrode terminal and a cap plate portion illustrated in FIG. 2.
  • FIG. 7 is an enlarged view illustrating an enlarged connection relationship between a first electrode terminal and a cap plate portion illustrated in FIG. 2.
  • FIG. 8 is an enlarged view illustrating an enlarged connection relation between a first electrode terminal and a cap plate portion illustrated in FIG. 2.
  • FIG. 1 is a perspective view illustrating a rechargeable battery according to an exemplary embodiment of the present invention
  • FIG. 2 is a cross-sectional view taken along a line II-II of FIG. 1
  • FIG. 3 is a cross-sectional view taken along a line III-III of FIG. 1. to be.
  • Secondary batteries according to an embodiment of the present invention may be used as a driving power source of a hybrid vehicle by connecting a plurality of them in parallel or in series with each other.
  • each electrode terminal of the plurality of secondary batteries may be connected to a bus bar.
  • a secondary battery will be described with reference to the drawings.
  • the secondary battery 100 is coupled to an electrode assembly 10 for charging and discharging a current, a case 20 containing an electrode assembly 10 and an electrolyte, and an opening of the case 20.
  • the cap plate 35 may include a first electrode terminal 31 and a second electrode terminal 32 installed on the cap plate 35.
  • the electrode assembly 10 may include a first electrode 11, a second electrode 12, and a separator 13.
  • the 1st electrode 11 and the 2nd electrode 12 are arrange
  • the electrode assembly 10 may be formed by rolling in a roll state.
  • the first electrode 11 may be, for example, a cathode.
  • the first electrode 11 may include a coating unit in which an active material is coated on a current collector of a thin metal plate, and a first electrode tab 11a connected to the current collector.
  • the second electrode 12 may be, for example, an anode. Like the first electrode 11, the second electrode 12 may include a coating part and a second electrode tab 12a.
  • the first electrode 11 is a cathode.
  • the second electrode 12 will be described taking as an example an anode.
  • the current collector of the first electrode 11 may be formed of a thin copper plate, and the current collector of the second electrode 12 may be formed of an aluminum thin plate.
  • the first electrode tab 11a and the second electrode tab 12a may be electrically connected to current collectors of the first electrode 11 and the second electrode 12, respectively. When the first electrode 11 and the second electrode 12 are wound, they may be connected to the current collector so as to be drawn out from the center of the electrode assembly 10. For example, the first electrode tab 11a is connected at the beginning of the winding of the first electrode 11, and the second electrode tab 12a is spaced apart from the first electrode 11 at the second electrode 12. Can be connected. As another example, a plurality of first electrode tabs 11a and second electrode tabs 12a may be formed.
  • the case 20 accommodates the electrode assembly 10 and the electrolyte, and may have a rectangular parallelepiped shape.
  • the case 20 may form an opening on one side of the rectangular parallelepiped, and the electrode assembly 10 may be inserted into the internal space from the outside of the case 20.
  • the cap plate 35 is installed in the opening of the case 20 to seal the case 20.
  • the case 20 and the cap plate 35 may be formed of aluminum and welded to each other.
  • the cap plate 35 may have one or more openings. For example, a terminal hole 35b and a vent hole 24 to which the first electrode terminal 31 is connected may be provided.
  • the vent hole 37 is sealed with a vent plate 37a to discharge the internal gas and the internal pressure generated by the charging and discharging of the secondary battery 100. When the internal pressure of the secondary battery 100 reaches the set pressure, the vent plate 37a is cut to open the vent hole 37.
  • the vent plate 37a has a notch 37b for inducing an incision.
  • the first electrode terminal 31 may include a first spinning terminal 31a protruding from an upper surface of the cap plate 35 and a protrusion 31b extending from the first spinning terminal.
  • the first electrode terminal 31 may be formed in a circular shape.
  • the protrusion 31b is inserted into the terminal hole 35b to penetrate through the cap plate 35 to electrically connect the first electrode tab 11a and the first lead tab 41 of the electrode assembly 10. Can be connected.
  • the first spinning terminal 31a is positioned on the upper surface of the cap plate 35 and may be formed in a circular shape.
  • the protrusion 31b may be coupled to the first lead tab 41 through a spinning process.
  • the first electrode terminal 31 may be connected to the punch of the spinning device, and may be connected to the cap plate 35 while being rotated while being inserted into the through hole formed in the cap plate 35.
  • the punch may be coated with a plasma or titanium coating on the punch surface to prevent the first electrode terminal 31 from being attached to the punch.
  • the first spinning terminal 31a and the protrusion 31b may be integrally formed and may be formed of a single metal.
  • the first electrode 11 is a cathode
  • the current collector is made of a thin copper plate
  • the first spinning terminal 31a and the protrusion 31b may be formed of copper, respectively.
  • a bus bar may be connected to the first electrode terminal 31. Therefore, the second spinning terminal 31c having the same material as the bus bar may be connected to the upper portion of the first spinning terminal 31a to improve the coupling force with the bus bar.
  • the bus bar is generally made of aluminum
  • the second spitting terminal 31c may be made of aluminum.
  • the first lead tab 41 electrically connects the protrusion 31b of the first electrode terminal 31 and the first electrode tab 11a. Since the current collector of the first electrode 11 is formed of a thin copper plate, the first lead tab 41 may be formed of copper.
  • the protruding portion 31b is formed integrally with the lower portion of the first spinning terminal 31a to extend, is inserted into the first lead tab 41 through the terminal hole 35b, and the first lead tab 41 through a spinning process. ) Can be connected.
  • the gasket 50 is interposed between the first spinning terminal 31 a and the cap plate 35.
  • the gasket 50 insulates the first spinning terminal 31a from the cap plate 35.
  • the first spinning terminal 31a is installed outside the cap plate 35 with the gasket 50 interposed therebetween.
  • the gasket 50 is installed between the protrusion 31b of the first electrode terminal 31 and the inner surface of the terminal hole 35b of the cap plate 35 to seal between the protrusion 31b and the cap plate 35 and electrically. Can be insulated.
  • the gasket 50 may be further extended between the first lead tab 41 and the inner surface of the cap plate 35 to further electrically insulate the first lead tab 41 from the cap plate 35.
  • the second electrode terminal 32 may include a terminal portion 32a formed in a circular shape and an electrode connection portion 32b protruding in a direction opposite to the terminal portion 32a.
  • the electrode connector 32b may be electrically connected to the second electrode 12 of the electrode assembly 10.
  • the bus bar may be connected to the terminal portion 32a. That is, the second electrode 12 may be charged to the cap plate 35 and the case 20.
  • the terminal portion 32a may be formed in the same circular shape as the first spinning terminal 31a of the first electrode terminal 31.
  • the electrode connector 32b may be connected to the second electrode tab 12a and the second lead tab 42 by a rectangular cross section.
  • the terminal portion 32a and the electrode connecting portion 32b may be integrally formed on the cap plate 35 by pressing the cap plate 35 with a press.
  • FIG. 4 is an enlarged view illustrating an enlarged connection relationship between a first electrode terminal and a cap plate portion illustrated in FIG. 2.
  • the first electrode terminal 31 may include a first spinning terminal 31a and a protrusion 31b extending below the first spinning terminal 31a.
  • the protrusion 31b may be electrically connected to the first electrode 11 through the first lead tab 41, and the protrusion 31b and the first lead tab 41 may be connected through a spinning process. As another example, the protrusion 31b may be inserted into the first lead tab 41.
  • the gasket 50 may be interposed between the first electrode terminal 31 and the cap plate 35. That is, the gasket 50 may be positioned on the surface of the first spinning terminal 31a that contacts the cap plate 35. In addition, the gasket 50 may extend along the protrusion part 31b to the inner surface of the cap plate 35. Through this, the first electrode terminal 31 may be electrically insulated from the cap plate 35.
  • the first adhesive layer 61 may be formed between the gasket 50 and the cap plate 35. As a result, it is possible to prevent the first spinning terminal 31a from rotating by the repetitive load.
  • a second adhesive layer 62 may be formed between the first spinning terminal 31a and the gasket 50.
  • the first adhesive layer 61 and the second adhesive layer 62 may be acrylic adhesives or silicone adhesives.
  • the effect of increasing the resistance to the torque of the first electrode terminal 31 increase the durability of the repeating torque of the first electrode terminal, prevent the lifting of the bus bar and maintain the bonding force to maintain the compression of the gasket. There is. In addition, it may serve as a fixing during the spinning process of the protrusion.
  • FIG. 5 is an enlarged view illustrating an enlarged connection relationship between a first electrode terminal and a cap plate portion illustrated in FIG. 2.
  • the cap plate 35 may have a recess 35a recessed around the terminal hole 35b.
  • the groove portion 35a may be formed flat in the middle.
  • the present invention is not limited thereto, and the center may be rounded and may be recessed.
  • the gasket 50 may have a fitting portion 50a fitted into the groove portion 35a.
  • the fitting portion 50a of the gasket 50 may be fitted into the groove portion 35a formed in the cap plate 35 to be more firmly connected to the cap plate 35.
  • Insertion portion 50b may be formed in the fitting portion 50a.
  • one inserting portion 50b may be formed in the center of the fitting portion 50a, and a plurality of inserting portions 50b may be formed.
  • the first spinning terminal 31a may include a protrusion 31d inserted into the insertion portion 50b of the gasket 50.
  • the protrusion part 31d may be formed according to the number of the inserting parts 50b, and the number of the inserting part 50b and the protrusion part 31d may be formed in plural numbers. Through this, the first spinning terminal 31a and the gasket 50 can be more stably connected.
  • the first adhesive layer 61 may be formed between the groove portion 35a of the cap plate 35 and the fitting portion 50a of the gasket 50.
  • the second adhesive layer 62 is formed between the first spinning terminal 31a and the gasket 50, and is formed between the inserting portion 50b and the protrusion 31d to more strongly connect the two. This can prevent the first spinning terminal 31a from rotating.
  • FIG. 6 is an enlarged view illustrating an enlarged connection relationship between a first electrode terminal and a cap plate portion illustrated in FIG. 2.
  • the gasket 50 may include a top insulator 54 and a seal gasket 52.
  • the top insulator 54 is positioned between the first spinning terminal 31a and the cap plate 35 to insulate the top surface of the cap plate 35 from the first spinning terminal 31a.
  • the seal gasket 52 is fitted into the terminal hole 35b of the cap plate 35 and extends to the lower surface of the cap plate 35 to insulate the lower surface of the cap plate 35 from the first lead tab 41. have.
  • the seal gasket 52 may insulate the protrusion 31b from the cap plate 35 and seal the protrusion 31b between the terminal hole 35b.
  • the seal gasket 52 may extend from the top surface of the cap plate 35 by the thickness of the top insulator 54.
  • the first adhesive layer 61 may be formed between the top insulator 54 and the cap plate 35, and the second adhesive layer 62 may be formed between the first spinning terminal 31a and the top insulator 54. In this case, the assembly process may be improved when the first electrode terminal 31 is connected to the cap plate 35.
  • a seal gasket inside the first electrode terminal 31 may be used. 52 seals between the terminal hole 35b and the protruding portion 31b, so that leakage of the electrolyte solution and the like can be prevented.
  • FIG. 7 is an enlarged view illustrating an enlarged connection relationship between a first electrode terminal and a cap plate portion illustrated in FIG. 2.
  • a third adhesive layer 63 is formed between the first spinning terminal 31a of the first electrode terminal 31 and the cap plate 35, and the protrusion 31b of the first electrode terminal 31 is formed.
  • a fourth adhesive layer 64 may be formed between the cap plate 35.
  • the third adhesive layer 63 may be thickly formed to insulate the cap plate 35 from the first spinning terminal 31a. Therefore, the third adhesive layer 63 may be formed thicker than the first adhesive layer 61.
  • the cap plate 35 may have a groove 35a formed around the terminal hole 35b, and an uneven structure may be formed in the groove 35a to be connected to the protrusion 31d formed in the first spinning terminal 31a. .
  • the fourth adhesive layer 64 may be formed between the protrusion part 31b and the terminal hole 35b.
  • the third adhesive layer 63 and the fourth adhesive layer 64 may be an acrylic adhesive or a silicone adhesive.
  • the first electrode terminal 31 can flow elastically. That is, even when the first electrode terminal 31 is rotated by the repeated load, the first electrode terminal 31 can be returned to its original position by the elastic force generated by the fourth adhesive layer 64. Therefore, the durability of the first electrode terminal 31 which can flow elastically by cyclic load can be increased.
  • FIG. 8 is an enlarged view illustrating an enlarged connection relation between a first electrode terminal and a cap plate portion illustrated in FIG. 2.
  • a fourth adhesive layer 64 is formed between the terminal hole 35b and the protrusion 31b, and a gasket 50 is interposed between the first spinning terminal 31a and the cap plate 35.
  • a gasket 50 is interposed between the first spinning terminal 31a and the cap plate 35.
  • a groove may be formed around the protrusion 31b in the first spinning terminal 31a so that the fourth adhesive layer 64 can be formed longer. As described above, an elastic flow of the first electrode terminal 31 can be expected through the fourth adhesive layer 64, and the terminal hole 35b and the protrusion 31b may be sealed.
  • a groove 35a is formed in the cap plate 35, and a fitting portion 50a of the gasket 50 is connected to the groove 35a.
  • the groove portion 35a is formed in an uneven structure to improve the mutual coupling force, and the fitting portion 50a may be connected to be fitted corresponding to the uneven structure.
  • the protrusion part 31d of the first spinning terminal 31a may be connected to the fitting part 50a.
  • first electrode 12 second electrode
  • cap assembly 31 first electrode terminal
  • vent hole 37a vent plate
  • first adhesive layer 62 second adhesive layer

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

Une batterie secondaire selon un mode de réalisation de la présente invention comprend : un ensemble d'électrode formés pour comprendre un séparateur interposé entre une première électrode et une seconde électrode; un boîtier pour recevoir l'ensemble électrodes; une plaque de capuchon connectée tout en scellant l'ouverture du boîtier; une première borne d'électrode ayant une partie en saillie, qui est électriquement connectée à la première électrode en pénétrant à travers un trou de borne formé dans la plaque de capuchon, et une première borne de filage faisant saillie à partir de la surface supérieure de la plaque de capuchon et formée sous une forme circulaire; et une seconde borne d'électrode connectée électriquement à la seconde électrode, un joint d'étanchéité étant interposé entre la première borne de filage et la plaque de capuchon, et une première couche adhésive étant formée entre le joint d'étanchéité et la plaque de capuchon.
PCT/KR2017/009661 2016-09-06 2017-09-04 Batterie secondaire Ceased WO2018048160A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0114636 2016-09-06
KR1020160114636A KR102306448B1 (ko) 2016-09-06 2016-09-06 이차전지

Publications (1)

Publication Number Publication Date
WO2018048160A1 true WO2018048160A1 (fr) 2018-03-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/009661 Ceased WO2018048160A1 (fr) 2016-09-06 2017-09-04 Batterie secondaire

Country Status (2)

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KR (1) KR102306448B1 (fr)
WO (1) WO2018048160A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114930636A (zh) * 2020-09-02 2022-08-19 宁德时代新能源科技股份有限公司 端盖组件、电池单体、电池、用电装置和注液方法
WO2024175101A1 (fr) * 2023-02-23 2024-08-29 蜂巢能源科技股份有限公司 Ensemble couvercle supérieur et batterie le comprenant
EP4614690A1 (fr) * 2024-03-04 2025-09-10 SK On Co., Ltd. Batterie secondaire

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Publication number Priority date Publication date Assignee Title
EP4086995A4 (fr) * 2020-02-12 2024-04-17 Murata Manufacturing Co., Ltd. Batterie secondaire
WO2021182835A1 (fr) * 2020-03-11 2021-09-16 주식회사 엘지에너지솔루션 Batterie secondaire du type bouton
KR102786448B1 (ko) * 2020-03-11 2025-03-26 주식회사 엘지에너지솔루션 버튼형 이차전지
JP7381569B2 (ja) * 2020-05-18 2023-11-15 寧徳新能源科技有限公司 電池、及び前記電池を備えた電気装置
KR102252330B1 (ko) * 2020-07-27 2021-05-14 주식회사 유로셀 부스 바 연결구조를 갖는 각형 셀 제조방법
KR102242274B1 (ko) * 2020-07-27 2021-04-20 주식회사 유로셀 커런트 컬렉터 연결구조를 갖는 각형 셀 및 그 제조방법
KR102836615B1 (ko) * 2023-01-25 2025-07-22 주식회사 파인엠텍 이차 전지용 캡 플레이트 어셈블리 및 캡 플레이트 어셈블리의 제조 방법
WO2024158151A1 (fr) * 2023-01-25 2024-08-02 주식회사 파인엠텍 Ensemble plaque de capuchon pour batteries secondaires et procédé de fabrication d'ensemble plaque de capuchon
KR102613036B1 (ko) * 2023-07-20 2023-12-12 (주)연호상사 배터리 모듈
KR20250054362A (ko) * 2023-10-16 2025-04-23 주식회사 엘지에너지솔루션 이차전지

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