WO2018012787A1 - Batterie secondaire - Google Patents

Batterie secondaire Download PDF

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Publication number
WO2018012787A1
WO2018012787A1 PCT/KR2017/007106 KR2017007106W WO2018012787A1 WO 2018012787 A1 WO2018012787 A1 WO 2018012787A1 KR 2017007106 W KR2017007106 W KR 2017007106W WO 2018012787 A1 WO2018012787 A1 WO 2018012787A1
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WO
WIPO (PCT)
Prior art keywords
electrode
secondary battery
tab
pouch case
insulating member
Prior art date
Application number
PCT/KR2017/007106
Other languages
English (en)
Korean (ko)
Inventor
엄혜리
김잔디
한다운
남정규
박봉경
서준원
손주희
양정엽
이정두
한주형
송현화
최솔
홍석헌
Original Assignee
삼성에스디아이 주식회사
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 삼성에스디아이 주식회사 filed Critical 삼성에스디아이 주식회사
Publication of WO2018012787A1 publication Critical patent/WO2018012787A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/586—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/579—Devices or arrangements for the interruption of current in response to shock
    • 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
    • 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
    • H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
    • 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
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/105—Pouches or flexible bags
    • 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
    • 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
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/595—Tapes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/20—Pressure-sensitive devices
    • 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
    • H01M50/121—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • 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
    • 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 provided with a terminal or a lead tab to supply or receive current.
  • the case may be made of a metal plate or pouch.
  • the pouch case may be deformed by external shock such as nail penetration, local crush, drop, or the like.
  • external shock such as nail penetration, local crush, drop, or the like.
  • the inner electrode tab and the case may come into contact with each other to cause a short circuit.
  • an internal short circuit occurs, a large amount of current flows within a short time, and the battery may be heated to ignite or explode by heating.
  • One aspect of the present invention is to provide a secondary battery that reduces the risk of internal short circuit caused by deformation of the pouch case of the secondary battery due to external impact or bending.
  • a secondary battery includes an electrode assembly including a separator interposed between a first electrode and a second electrode, a first electrode tab extending from the first electrode and the second electrode, and having a bent portion, respectively.
  • a pouch case having an upper junction protruding to the outside and a first portion insulating the first lead tab and the second lead tab from the upper junction, and located in the pouch case and extending from the first portion to the electrode assembly
  • an insulating member including an extended second portion.
  • the second portion may be formed to have a thickness greater than or equal to the thickness of the bent portion.
  • the second portion may be formed larger than the thickness of the electrode assembly.
  • the second portion may be formed at a portion of the pouch case other than the electrode tab.
  • the second portion may extend between the first electrode tab and the second electrode tab.
  • the second portion may extend between the first electrode tab and the side surface of the second electrode tab and the pouch case.
  • the insulating member may be made of polyethylene (PE) or polypropylene (PP).
  • the insulating member may have flexibility.
  • the insulating member may have a thickness greater than that of the first portion.
  • the first portion and the second portion may be integrally formed.
  • the secondary battery may prevent the electrode tab from coming into contact with the pouch case to prevent an internal short circuit.
  • 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 illustrating another embodiment of the insulating member illustrated in FIG. 2.
  • FIG. 4 is a plan view showing a first embodiment of the insulating member of the present invention through the secondary battery shown in FIG.
  • FIG. 5 is a plan view illustrating a second embodiment of the insulating member illustrated in FIG. 4.
  • FIG. 6 is a plan view illustrating a third embodiment of the insulating member illustrated in FIG. 4.
  • 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 the line II-II of FIG. 1.
  • the pouch type secondary battery 100 includes an electrode assembly 10 and a pouch case 30 accommodating the electrode assembly 10.
  • the pouch case 30 may include a receiver 34, an edge junction 33, and an upper junction 32.
  • the pouch case 30 may be sealed by combining the first plate 31a and the second plate 31b.
  • the first plate 31a and the second plate 31b of the pouch case 30 are formed in a multilayer sheet structure.
  • the pouch case 30 may be made of a metal sheet or a polymer sheet.
  • the polymer sheet forms an inner surface of the pouch, insulates and heat-bonds, and forms an outer surface of the pouch to protect it.
  • the polymer sheet may be a nylon sheet, a polyethyleneterephthalate (PET) sheet or a PET-nylon composite sheet.
  • PET polyethyleneterephthalate
  • the metal sheet provides mechanical strength and may be, for example, an aluminum sheet.
  • the accommodation part 34 accommodates the electrode assembly 10 and may be formed on any one of an upper plate and a lower plate of the pouch case 30.
  • An upper junction portion at which the lead tabs 21 and 22 electrically connected to the electrode assembly 10 may be formed at the upper end of the accommodation portion 34.
  • the first plate 31a and the second plate 31b of the pouch case 30 may be thermally bonded to each other.
  • the edge junction part 33 is formed at the side of the receiving part 34, and the first plate 31a and the second plate 31b may be thermally bonded to each other.
  • An insulating member 40 may be attached to the lead tabs 21 and 22 at the upper junction 32. Therefore, it is possible to prevent the risk that the pouch case 30 and the lead tabs 21 and 22 are in contact with the short circuit. Since the lead tabs 21 and 22 with the insulating member 40 are positioned between the first plate 31a and the second plate 31b in the upper joint part 32, the thickness is thicker than the edge joint part 33. Can be.
  • the electrode assembly 10 for charging and discharging the current is formed in a substantially rectangular parallelepiped flat structure.
  • the electrode assembly 10 may include a first electrode 11 and a second electrode 12 and a separator 13 interposed therebetween.
  • the electrode assembly 10 may be formed in the form of a jelly roll by winding the first electrode 11 and the second electrode 12 with a separator 13 interposed therebetween.
  • the first electrode 11 and the second electrode 12 and the separator 13 may be stacked to form a stack.
  • the first electrode 11 and the second electrode 12 may include a coating part coated with an active material on at least one surface of the electrode plate and the electrode plate, and a first electrode tab 14 protruding to one side of the coating part without coating the active material. 4) and the second electrode tab 15, respectively.
  • a plurality of first electrode tabs 14 and second electrode tabs 15 may be formed.
  • the first electrode tab 14 and the second electrode tab 15 may be electrically connected to the first lead tab 22 (see FIG. 4) and the second lead tab 21, respectively.
  • FIG. 3 is a cross-sectional view illustrating another embodiment of the insulating member illustrated in FIG. 2.
  • the insulating member 40 of the secondary battery 100 may extend from the upper junction 32 to the electrode assembly 10 in the pouch case 30.
  • the insulating member 40 may be divided into a first portion 41 and a second portion 42 according to the position.
  • the first portion 41 is positioned at the upper junction 32 and attached to the lead tabs 21 and 22 to prevent the pouch case 30 from being shorted.
  • the first portion 41 is formed in the upper junction 32 and is not formed to protrude outward from the upper junction 32.
  • the first portion 41 is formed with a protrusion 41a protruding outward along the lead tabs 21 and 22.
  • the second portion 42 may extend from the first portion 41 to the electrode assembly 10 in the pouch case 30.
  • the second part 42 may prevent the upper junction 32, which is the upper end of the pouch case 30, from being deformed by an external impact, thereby preventing an internal short circuit of the secondary battery 100.
  • the second portion 42 prevents the electrode tabs 14 and 15 from contacting the pouch case, and the thickness of the second portion 42 is greater than that of the bent portion 17 formed in the electrode tabs 14 and 15. It may be formed at least equal to or greater than.
  • the pouch case 30 is formed with a terrace space 35 to which the electrode tabs 14 and 15 and the lead tabs 21 and 22 are connected.
  • the terrace space 35 does not have a support and is easily deformed by external impact as compared with other spaces supported by the electrode assembly 10.
  • the second part 42 of the insulating member 40 is formed in the terrace space 35.
  • the thickness of the second portion 42 may be at least equal to or greater than the thickness of the bent portion 17 formed in the electrode tabs 14 and 15.
  • the terrace space 35 between the upper junction 32 and the electrode assembly 10 is supported by the second member 42 of the insulating member 40 and is not easily deformed by external impact or bending. That is, the distance between the electrode tabs 14 and 15 and the pouch case 30 is maintained by the thickness of the second portion 42 of the insulating member 40, so that the electrode tabs 14 and 15 are attached to the pouch case 30. Since it is not easily contacted, an internal short circuit of the secondary battery 100 may be prevented.
  • the second portion 42 may be formed thicker than the thickness of the electrode assembly 10.
  • the second portion 42 may be formed to be about 110% larger than the thickness of the electrode assembly 10.
  • the thickness of the first portion 41 is formed thinner than the thickness of the second portion 42.
  • the first part 41 may be formed along the lead tabs 21 and 22 and may include a protrusion 41a protruding out of the pouch case 30.
  • the insulating member 40 may be formed of a material having insulation and flexibility.
  • the insulating member 40 may be made of polyethylene (PE) or polypropylene (PP).
  • PE polyethylene
  • PP polypropylene
  • the first part 41 and the second part 42 may be integrally formed.
  • the electrode tabs 14 and 15 formed to protrude toward one side of the electrode assembly 10 may include bending portions 17 in the middle thereof.
  • the electrode tabs 14 and 15 may be structurally elastic by the bent portion 17. Accordingly, the electrode tabs 14 and 15 and the lead tabs 21 and 22 may be more stably connected.
  • the electrode tabs 14 and 15 and the lead tabs 21 and 22 formed with structural elasticity can be easily connected. The effect is not broken.
  • FIG. 4 is a plan view showing a first embodiment of the insulating member of the present invention through the secondary battery shown in Figure 1
  • Figure 5 is a plan view showing a second embodiment of the insulating member shown in Figure 4
  • Figure 6 Is a plan view showing a third embodiment of the insulating member shown in FIG.
  • the second part 42 of the insulating member 40 may be formed at a portion other than the electrode tabs 14 and 15 in the terrace space 35 inside the pouch case 30. .
  • the second portion 42 of the insulating member 40 may extend from the upper junction portion 32 to the electrode assembly 10 except for the first electrode tab 14 and the second electrode tab 15. .
  • deformation of the upper junction 32 which is the upper end of the secondary battery 100, may be prevented more efficiently.
  • the width of the second member 42 of the insulating member 40 may be equal to the width of the electrode assembly 10.
  • the insulating member 40 may be formed in the terrace space 35 except for the electrode tabs 14 and 15. Accordingly, the shape of the insulating member 40 may be formed as a whole letter "E".
  • the insulating member 40 may be attached to the upper and lower leads of the lead tabs 21 and 22.
  • the first portion 41 of the insulating member 40 may be formed to be long along the upper junction 32, and as described above, the first portion 41 may have a pouch case 30 along the lead tabs 21 and 22.
  • the protrusion 41a which protrudes outside is formed.
  • the second portion 42 of the insulating member 40 may be formed along both side surfaces of the first electrode tab 14 and the second electrode tab 15. That is, the second part 42 of the insulating member 40 may be formed on the side surface of the pouch case 30 and the first electrode tab 14 or the side surface of the second electrode tab 15. Therefore, an empty space is formed between the first electrode tab 14 and the second electrode tab 15.
  • the second portion 42 of the insulating member 40 may be formed between the first electrode tab 14 and the second electrode tab 15.
  • the second portion 42 of the insulating member 40 may support the pouch case 30 to prevent the pouch case 30 from being deformed inwardly.
  • the pouch case 30 and the bent portion 17 of the electrode tabs 14 and 15 may be prevented from contacting each other.
  • the secondary battery 100 according to the exemplary embodiment of the present invention may be bent while the terrace space 35 is bent to contact the first electrode tab 14 and the second electrode tab 15, but within the terrace space 35. Since at least the second portion 42 formed thicker than the thickness of the bent portion 17 of the electrode tabs 14 and 15 is located, the terrace space 35 between the electrode tabs 14 and 15 and the pouch case 30. Constant distance is maintained so that internal short circuit does not occur easily. That is, the electrode tabs 14 and 15 may be bent without generating an internal short circuit by the thickness of the second portion 42. Therefore, the secondary battery 100 according to an embodiment of the present invention may be more flexibly bent, and an internal short circuit may not easily occur, thereby improving reliability.
  • first electrode 12 second electrode

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

Abstract

Une batterie secondaire selon un mode de réalisation de la présente invention comprend : un assemblage d'électrodes qui comprend un séparateur intercalé entre une première électrode et une seconde électrode; une première prise d'électrode et une seconde prise d'électrode qui s'étendent à partir de la première électrode et de la seconde électrode, et qui ont respectivement une partie courbée formée dans celle-ci; une première prise d'électrode et une seconde prise de dérivation qui sont respectivement et électriquement connectées à la première prise d'électrode et à la seconde prise d'électrode; un boîtier de poche qui reçoit l'assemblage d'électrodes, une partie de jonction supérieure à travers laquelle la première prise de dérivation et la seconde prise de dérivation font saillie vers l'extérieur est formée sur le boîtier de poche; et un élément d'isolation qui comprend une première partie pour isoler la première prise de dérivation et la seconde prise de dérivation au niveau de la partie de jonction supérieure, et une seconde partie située à l'intérieur du boîtier de poche et s'étendant de la première partie à l'assemblage d'électrodes.
PCT/KR2017/007106 2016-07-12 2017-07-04 Batterie secondaire WO2018012787A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160088272A KR102270512B1 (ko) 2016-07-12 2016-07-12 이차전지
KR10-2016-0088272 2016-07-12

Publications (1)

Publication Number Publication Date
WO2018012787A1 true WO2018012787A1 (fr) 2018-01-18

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KR (1) KR102270512B1 (fr)
WO (1) WO2018012787A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109713207A (zh) * 2019-01-31 2019-05-03 柔电（武汉）科技有限公司 一种极耳优化的柔性电池及极耳优化工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102490216B1 (ko) 2018-05-23 2023-01-19 주식회사 엘지에너지솔루션 보형부재를 포함하는 전지셀

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012164470A (ja) * 2011-02-04 2012-08-30 Sanyo Electric Co Ltd 積層式電池およびその製造方法
KR20130094638A (ko) * 2012-02-16 2013-08-26 삼성에스디아이 주식회사 파우치형 배터리
KR20130138110A (ko) * 2012-06-08 2013-12-18 삼성에스디아이 주식회사 이차 전지 팩
KR20140091441A (ko) * 2013-01-11 2014-07-21 주식회사 엘지화학 일체형 양극 리드 및 음극 리드를 포함하는 이차전지 및 그 제조방법
KR20150124124A (ko) * 2014-04-28 2015-11-05 주식회사 엘지화학 밀봉 잉여부가 최소화된 전지셀

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101752329B1 (ko) * 2014-07-30 2017-06-29 주식회사 엘지화학 안전성이 향상된 이차전지

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012164470A (ja) * 2011-02-04 2012-08-30 Sanyo Electric Co Ltd 積層式電池およびその製造方法
KR20130094638A (ko) * 2012-02-16 2013-08-26 삼성에스디아이 주식회사 파우치형 배터리
KR20130138110A (ko) * 2012-06-08 2013-12-18 삼성에스디아이 주식회사 이차 전지 팩
KR20140091441A (ko) * 2013-01-11 2014-07-21 주식회사 엘지화학 일체형 양극 리드 및 음극 리드를 포함하는 이차전지 및 그 제조방법
KR20150124124A (ko) * 2014-04-28 2015-11-05 주식회사 엘지화학 밀봉 잉여부가 최소화된 전지셀

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109713207A (zh) * 2019-01-31 2019-05-03 柔电（武汉）科技有限公司 一种极耳优化的柔性电池及极耳优化工艺
CN109713207B (zh) * 2019-01-31 2024-07-09 柔电（武汉）科技有限公司 一种极耳优化的柔性电池及极耳优化工艺

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