WO2017142381A1 - Ensemble d'électrodes - Google Patents

Ensemble d'électrodes Download PDF

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Publication number
WO2017142381A1
WO2017142381A1 PCT/KR2017/001841 KR2017001841W WO2017142381A1 WO 2017142381 A1 WO2017142381 A1 WO 2017142381A1 KR 2017001841 W KR2017001841 W KR 2017001841W WO 2017142381 A1 WO2017142381 A1 WO 2017142381A1
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WO
WIPO (PCT)
Prior art keywords
electrode
tab
unit
assembly
electrode unit
Prior art date
Application number
PCT/KR2017/001841
Other languages
English (en)
Korean (ko)
Inventor
오정식
김정민
강경원
Original Assignee
주식회사 엘지화학
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
Priority claimed from KR1020170021819A external-priority patent/KR101995288B1/ko
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to EP17753542.4A priority Critical patent/EP3322022B1/fr
Priority to US15/741,359 priority patent/US10665847B2/en
Priority to CN201780002830.XA priority patent/CN107925120B/zh
Publication of WO2017142381A1 publication Critical patent/WO2017142381A1/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
    • H01M50/531—Electrode connections inside a battery casing
    • 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 an electrode assembly, and more particularly, to an electrode assembly that can significantly increase the design freedom of a secondary battery or a battery pack, and can further increase the shape deformation freedom of a free-form battery.
  • Secondary batteries unlike primary batteries, can be recharged and have been researched and developed in recent years due to the possibility of miniaturization and large capacity. As technology development and demand for mobile devices increase, the demand for secondary batteries as an energy source is rapidly increasing.
  • the secondary battery may be configured by embedding an electrode assembly in a battery case.
  • the electrode assembly mounted inside the battery case is a power generator capable of charging and discharging having a stacked structure of a cathode, a separator, and a cathode.
  • FIG. 1 is a perspective view illustrating an electrode assembly in which electrode tabs are bonded to each other and a tab junction is formed in a conventional electrode assembly.
  • FIG. 2 is a perspective view illustrating a state in which an electrode lead is connected to a tab junction in FIG. 1.
  • 3 is a plan view of FIG. 2 viewed from above.
  • FIG. 1 includes a first electrode unit 10 and a second electrode unit 30 having a size smaller than that of the first electrode unit 10 and stacked on the first electrode unit 10.
  • the electrode assembly 1 is shown.
  • the positive electrode tabs of the first electrode unit 10 and the positive electrode tabs of the second electrode unit 30 are connected to each other to form a positive electrode tab junction 51.
  • the negative electrode tabs of the first electrode unit 10 and the negative electrode tabs of the second electrode unit 30 are also connected to each other to form the negative electrode tab junction 53.
  • the positive electrode tab junction 51 and the negative electrode tab junction 53 are formed in this way, the first electrode unit 10 and the second electrode unit 30 can electrically communicate with each other, and thus the first electrode unit 10 A large capacity electrode assembly 1 in which the second electrode unit 30 is combined with each other may be formed.
  • the positive lead 81 and the negative lead 83 may be connected to the electrode assembly 1 to electrically connect the outside of the battery and the inside of the battery electrode assembly 1.
  • the positive lead 81 may be connected to the positive electrode tab junction 51
  • the negative lead 83 may be connected to the negative electrode tab junction 53.
  • the position of the electrode tab to which the electrode leads 81 and 83 may be connected may be determined within the J range shown in FIG. 3.
  • the electrode tab of the first electrode unit 10 is to be directly connected to the electrode tab of the second electrode unit 30.
  • the electrode tab of the first electrode unit 10 is the width of the second electrode unit 30. This is because it must be located in the range J. Therefore, the electrode tab of the first electrode unit 10 and the electrode tab of the second electrode unit 30 are both located within the J range.
  • the position range of the electrode tab to which the electrode lead can be connected in the free-form battery is narrowly limited, which is a problem because it greatly reduces the design freedom of the secondary battery or the battery pack.
  • the present invention has been made to solve the above problems, the problem of the present invention can widen the position range of the electrode tab to which the electrode leads can be connected, thereby significantly increasing the design freedom of the secondary battery or battery pack
  • the present invention provides an electrode assembly capable of further improving the degree of freedom of design of a battery by further increasing the shape deformation degree of a free-form battery.
  • the electrode assembly according to the present invention includes a first electrode unit in which electrodes and separators are alternately stacked, and an electrode and separator are alternately stacked, and has a size smaller than that of the first electrode unit and has a first electrode unit.
  • a tab assembly including a second electrode unit stacked on the electrode tab, wherein the electrode tab included in the first electrode unit and the electrode tab included in the second electrode unit are connected to each other, and are positioned within a width range of the second electrode unit, A portion of the first electrode unit has a leading electrode tab to which the electrode leads are connected.
  • An electrode assembly includes a first electrode unit and a second electrode unit having a size smaller than that of the first electrode unit and stacked on the first electrode unit, and including an electrode tab included in the first electrode unit;
  • the tab assembly in which the electrode tabs included in the second electrode unit are connected to each other is positioned within a width range of the second electrode unit, and a portion of the first electrode unit includes a leading electrode tab to which electrode leads are connected. Accordingly, it is possible to widen the position range of the electrode tab to which the electrode leads can be connected, and as a result, it is possible to significantly increase the design freedom of the secondary battery or the battery pack, and also to further increase the shape deformation freedom of the free-form battery. The degree of freedom in design can be further improved.
  • FIG. 1 is a perspective view illustrating an electrode assembly in which electrode tabs are bonded to each other and a tab junction is formed in a conventional electrode assembly.
  • FIG. 2 is a perspective view illustrating a state in which an electrode lead is connected to a tab junction in FIG. 1.
  • FIG. 3 is a plan view from above of the electrode assembly of FIG. 2.
  • FIG. 4 is a perspective view illustrating an electrode assembly in which electrode tabs are bonded to each other and a tab assembly is formed in an electrode assembly according to Embodiment 1 of the present invention.
  • FIG. 5 is a perspective view illustrating a state in which an electrode lead is connected to a leading electrode tab in the electrode assembly according to the first exemplary embodiment of the present invention.
  • FIG. 6 is a plan view from above of the electrode assembly of FIG. 5.
  • FIG. 7 is a perspective view illustrating an electrode assembly in which electrode tabs are bonded to each other and a tab assembly is formed in an electrode assembly according to a second exemplary embodiment of the present invention.
  • FIG. 8 is a perspective view illustrating a state in which an electrode lead is connected to an electrode tab in an electrode assembly according to a second exemplary embodiment of the present invention.
  • FIG. 9 is a plan view from above of the electrode assembly of FIG. 8.
  • FIG. 10 is a perspective view illustrating an electrode assembly in which electrode tabs are bonded to each other and a tab assembly is formed in an electrode assembly according to a third exemplary embodiment of the present invention.
  • FIG. 11 is a perspective view illustrating a state in which an electrode lead is connected to an electrode tab in an electrode assembly according to a third exemplary embodiment of the present invention.
  • FIG. 12 is a plan view from above of the electrode assembly of FIG. 11.
  • FIG. 13 is a perspective view illustrating an electrode assembly in which electrode tabs are bonded to each other and a tab assembly is formed in an electrode assembly according to a fourth exemplary embodiment of the present invention.
  • FIG. 14 is a perspective view illustrating a state in which an electrode lead is connected to a leading electrode tab in an electrode assembly according to a fourth exemplary embodiment of the present invention, as viewed from a direction opposite to FIG. 13.
  • FIG. 15 is a plan view from above of the electrode assembly of FIG. 14.
  • 16 and 17 are plan views illustrating various shape modification forms of the second electrode unit in the electrode assembly according to the fourth exemplary embodiment of the present invention.
  • FIG. 4 is a perspective view illustrating an electrode assembly in which electrode tabs are bonded to each other and a tab assembly is formed in an electrode assembly according to Embodiment 1 of the present invention.
  • 5 is a perspective view illustrating a state in which an electrode lead is connected to a leading electrode tab in the electrode assembly according to the first exemplary embodiment of the present invention.
  • 6 is a plan view from above of the electrode assembly of FIG. 5.
  • the electrode assembly 100 includes a first electrode unit 110 and a second electrode unit 130 stacked on the first electrode unit 110. .
  • the first electrode unit 110 may be formed by alternately stacking electrodes and separators.
  • the first electrode unit 110 may be a unit formed by stacking a plurality of first basic unit cells 111, which are units joined by alternately stacking electrodes and separators.
  • the first basic unit cell 111 may be a bonded body in which electrodes and separators are laminated alternately and then laminated.
  • the second electrode unit 130 may be formed in the same manner as the first electrode unit 110.
  • the second electrode unit 130 may be formed by alternately stacking electrodes and separators.
  • the second electrode unit 130 may be formed by stacking a plurality of second basic unit cells 131, which are units joined by alternately stacking electrodes and separators.
  • the second basic unit cell 131 may be a bonded body in which electrodes and separators are laminated alternately and then laminated.
  • the second electrode unit 130 stacked on the first electrode unit 110 may have a smaller size than the first electrode unit 110.
  • the width L of the second electrode unit 130 may have a width narrower than the width K of the first electrode unit 110 (see FIG. 6).
  • the electrode tabs of the electrodes included in the first electrode unit 110 and the electrode tabs of the electrodes included in the second electrode unit 130 are connected to each other to form a tab assembly ( 150).
  • the tab assembly 150 may include a positive electrode tab assembly 151 and a negative electrode tab assembly 153.
  • the positive electrode tab assembly 151 may be formed by connecting the positive electrode tab included in the first electrode unit 110 and the positive electrode tab included in the second electrode unit 130 to each other.
  • the negative electrode tab assembly 153 may be formed by bonding the negative electrode tab included in the first electrode unit 110 and the negative electrode tab included in the second electrode unit 130 to each other.
  • the first electrode unit 110 and the second electrode unit 130 may electrically communicate with each other, and accordingly, the first electrode unit 110 and the second electrode unit 130 may be formed.
  • This combined large capacity electrode assembly 100 can be formed.
  • the tab assembly 150 may be positioned within the width range L of the second electrode unit 130. Because, when the electrode tab of the first electrode unit 110 is to be directly bonded to the electrode tab of the second electrode unit 130, the electrode tab of the first electrode unit 110 of the second electrode unit 130 This is because it must be located within the width range.
  • the leading electrode tab 170 is provided at a portion of the first electrode unit 110.
  • the leading electrode tab 170 may be an electrode tab to which an electrode lead is connected for electrical connection between the battery external device and the battery internal electrode assembly 100 (see FIG. 4).
  • the tab assembly 150 and the leading electrode tab 170 may face the same direction.
  • the leading electrode tab 170 may include a leading positive electrode tab 171 to which the positive lead 181 is connected, and a leading negative electrode tab 173 to which the negative lead 183 is connected (see FIGS. 4 and 5). ).
  • the leading electrode tab 170 may be freely connected to any portion of the first electrode unit 110.
  • the leading electrode tab 170 may be connected to part or all of the first electrode unit 110.
  • the leading electrode tab 170 is formed at a portion of the first electrode unit 110 in which the first electrode unit 110 and the second electrode unit 130 do not overlap. There may be.
  • leading electrode tabs 170 are located at both outer sides of the tab assembly 150. That is, with reference to FIG. 5, the leading positive electrode tab 171 is outside the left side of the positive electrode tab assembly 151, and the leading negative electrode tab 173 is outside the right side of the negative electrode tab assembly 153.
  • the leading electrode tab 170 may be an electrode tab that is not included in the second electrode unit 130 and is included only in the first electrode unit 110.
  • interference may be prevented between the leading electrode tab 170 and the tab assembly 150.
  • the electrode leads 181 and 183 are connected only to the leading electrode tab 170, but the center tab assembly 150 is electrically connected to the entire electrode assembly 100. As such, the electrode leads 181 and 183 may have the same effect as those connected to the entire electrode assembly 100.
  • the electrode assembly 100 has a position range of an electrode tab to which an electrode lead can be connected, up to the width range K of the first electrode assembly 100 unlike the conventional art. It may be extended (see FIG. 6). This is in contrast to the prior art in which the position range of the electrode tabs to which the electrode leads can be connected is limited to the J range (see FIG. 3).
  • the electrode assembly according to the first embodiment of the present invention can widen the position range of the electrode tab to which the electrode leads can be connected, and as a result, can significantly increase the design freedom of the secondary battery or the battery pack.
  • FIG. 7 is a perspective view illustrating an electrode assembly in which electrode tabs are bonded to each other and a tab assembly is formed in an electrode assembly according to a second exemplary embodiment of the present invention.
  • 8 is a perspective view illustrating a state in which an electrode lead is connected to an electrode tab in an electrode assembly according to a second exemplary embodiment of the present invention.
  • 9 is a plan view from above of the electrode assembly of FIG. 8.
  • the electrode assembly according to Embodiment 2 of the present invention has a configuration similar to that of the electrode assembly according to Embodiment 1 described above. However, there is a difference from Example 1 in that the negative lead is connected to the negative electrode tab assembly.
  • the electrode tab of the electrode included in the first electrode unit 210 and the electrode tab of the electrode included in the second electrode unit 230 are The tab junction 250 may be connected to each other.
  • the tab assembly 250 may include a positive electrode tab assembly 251 and a negative electrode tab assembly 253.
  • the positive electrode tab assembly 251 may be formed by connecting the positive electrode tab included in the first electrode unit 210 and the positive electrode tab included in the second electrode unit 230 to each other.
  • the negative electrode tab assembly 253 may be formed by bonding the negative electrode tab included in the first electrode unit 210 and the negative electrode tab included in the second electrode unit 230 to each other.
  • the negative electrode lead 283 may be directly connected to the negative electrode tab junction 253 (see FIG. 8).
  • the negative electrode lead 183 is connected to the leading negative electrode tab 173.
  • the negative electrode lead 283 is connected to the tab assembly 250, particularly the negative electrode tab assembly 253. Therefore, in Example 2, the leading negative electrode tab is unnecessary.
  • the leading electrode tab 270 includes a leading positive electrode tab 271 to which the positive electrode lead 281 is connected.
  • the leading positive electrode tab 271 may be on the left side of the first electrode unit 210 where the first electrode unit 210 and the second electrode unit 230 do not overlap (see FIG. 8).
  • the position of the electrode tab to which the electrode lead can be connected may be formed within N range (see FIG. 9).
  • the position range of the electrode tab to which the electrode lead can be connected can be formed in a new position range, and as a result, the design freedom of the secondary battery or the battery pack is changed to a new form Can be increased with
  • FIG. 10 is a perspective view illustrating an electrode assembly in which electrode tabs are bonded to each other and a tab assembly is formed in an electrode assembly according to a third exemplary embodiment of the present invention.
  • 11 is a perspective view illustrating a state in which an electrode lead is connected to an electrode tab in an electrode assembly according to a third exemplary embodiment of the present invention.
  • 12 is a plan view from above of the electrode assembly of FIG. 11.
  • the electrode assembly according to Embodiment 3 of the present invention has a configuration similar to that of the electrode assembly according to Embodiment 1 described above. However, there is a difference from Example 1 in that the positive lead is connected to the positive electrode tab assembly.
  • the electrode tabs of the electrodes included in the first electrode unit 310 and the electrode tabs of the electrodes included in the second electrode unit 330 are the same as those of the first exemplary embodiment.
  • the tab junction 350 may be connected to each other.
  • the tab assembly 350 may include a positive electrode tab assembly 351 and a negative electrode tab assembly 353.
  • the positive electrode tab assembly 351 may be formed by connecting the positive electrode tab included in the first electrode unit 310 and the positive electrode tab included in the second electrode unit 330 to each other.
  • the negative electrode tab assembly 353 may be formed by bonding the negative electrode tab included in the first electrode unit 310 and the negative electrode tab included in the second electrode unit 330 to each other.
  • the positive electrode lead 381 may be directly connected to the positive electrode tab junction 351 (see FIG. 11).
  • the positive electrode lead 181 is connected to the leading positive electrode tab 171.
  • the positive electrode lead 381 is connected to the tab assembly 350, particularly the positive electrode tab assembly 351.
  • the leading positive electrode tab is not necessary.
  • the leading electrode tab 370 includes a leading negative electrode tab 373 to which the negative electrode lead 383 is connected.
  • the leading negative electrode tab 373 may be on the right side of the first electrode unit 310 in which the first electrode unit 310 and the second electrode unit 330 do not overlap (see FIG. 11).
  • the position of the electrode tab to which the electrode lead can be connected may be formed within the P range (see FIG. 12).
  • the position range of the electrode tab to which the electrode leads can be connected can be formed in a new position range, and as a result, the degree of freedom of design of the secondary battery or the battery pack is changed to a new form. Can be increased with
  • FIG. 13 is a perspective view illustrating an electrode assembly in which electrode tabs are bonded to each other and a tab assembly is formed in an electrode assembly according to a fourth exemplary embodiment of the present invention.
  • FIG. 14 is a perspective view illustrating a state in which an electrode lead is connected to a leading electrode tab in an electrode assembly according to a fourth exemplary embodiment of the present invention, as viewed from a direction opposite to FIG. 13.
  • 15 is a plan view from above of the electrode assembly of FIG. 14.
  • 16 and 17 are plan views illustrating various shape modification forms of the second electrode unit in the electrode assembly according to the fourth exemplary embodiment of the present invention.
  • the electrode assembly according to Embodiment 4 of the present invention has a configuration similar to that of the electrode assembly according to Embodiment 1 described above. However, there is a difference from Example 1 in that the tab assembly and the leading electrode tab face different directions.
  • FIG. 13 is a perspective view of the electrode assembly 1200 viewed in the direction D2 illustrated in FIG. 15.
  • the tab assembly 1250 may include a positive electrode tab assembly 1251 and a negative electrode tab assembly 1253.
  • the positive electrode tab assembly 1251 may be formed by connecting the positive electrode tab included in the first electrode unit 1210 and the positive electrode tab included in the second electrode unit 1230 to each other.
  • the negative electrode tab assembly 1253 may be formed by bonding the negative electrode tab included in the first electrode unit 1210 and the negative electrode tab included in the second electrode unit 1230 to each other.
  • the leading electrode tab 1270 is provided at a portion of the first electrode unit 1210 opposite to the direction in which the tab assembly 1250 faces.
  • the leading electrode tab 1270 may be an electrode tab to which the electrode leads 1281 and 1283 are connected to electrically connect the external device and the internal electrode assembly 1200 (see FIGS. 14 and 15).
  • FIG. 14 illustrates a perspective view of the electrode assembly 1200 in the direction D1 illustrated in FIG. 15.
  • the leading electrode tab 1270 may include a leading positive electrode tab 1271 to which the positive lead 1281 is connected, and a leading negative electrode tab 1273 to which the negative lead 1283 is connected (see FIG. 14).
  • the leading electrode tab 1270 may be freely positioned within the width range K of the first electrode unit 1210 (see FIGS. 14 and 15).
  • the leading electrode tabs 1270 may be electrode tabs included in the first electrode unit 1210 and not included in the second electrode unit 1230 (see FIG. 14).
  • the leading electrode tab 1270 can be freely moved in the K range. This means a significant increase in design freedom.
  • the second electrode unit 1230 had to be closely attached in the F direction so that the interval E became zero.
  • the second electrode unit 1230 is closely attached in the G direction. This may be a phenomenon caused by the tab assembly 1250 and the leading electrode tab 1270 facing in opposite directions.
  • the electrode assembly according to Embodiment 4 of the present invention can widen the position range of the electrode tab to which the electrode leads can be connected, and as a result, can significantly increase the design freedom of the secondary battery or the battery pack, and can also freely. By further increasing the shape deformation degree of the shape battery, the design freedom of the battery can be further improved.

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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)

Abstract

La présente invention concerne un ensemble d'électrodes. Plus spécifiquement, la présente invention concerne un ensemble d'électrodes qui peut significativement augmenter le degré de liberté dans la conception d'une batterie rechargeable ou d'un bloc-batterie, et peut en outre augmenter le degré de liberté de déformation d'une batterie de forme libre. L'ensemble d'électrodes sur la présente invention comprend : une première unité d'électrodes comportant des électrodes et des séparateurs alternativement empilés les uns au-dessus des autres; et une deuxième unité d'électrodes comportant des électrodes et des séparateurs alternativement empilés les uns au-dessus des autres, la deuxième unité d'électrodes étant plus petite que la première unité d'électrodes et empilée sur la première unité d'électrodes, un ensemble de pattes formé par interconnexion d'une patte d'électrode incluse dans la première unité d'électrode et une patte d'électrode incluse dans la deuxième unité d'électrodes étant située dans la largeur de la deuxième unité d'électrodes, et une patte d'électrode avant à laquelle un conducteur d'électrode est connecté étant présente sur une partie de la première unité d'électrodes.
PCT/KR2017/001841 2016-02-19 2017-02-20 Ensemble d'électrodes WO2017142381A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP17753542.4A EP3322022B1 (fr) 2016-02-19 2017-02-20 Ensemble d'électrodes
US15/741,359 US10665847B2 (en) 2016-02-19 2017-02-20 Electrode assembly
CN201780002830.XA CN107925120B (zh) 2016-02-19 2017-02-20 电极组件

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR10-2016-0019834 2016-02-19
KR20160019834 2016-02-19
KR20160019836 2016-02-19
KR10-2016-0019836 2016-02-19
KR10-2017-0021819 2017-02-17
KR1020170021819A KR101995288B1 (ko) 2016-02-19 2017-02-17 전극 조립체

Publications (1)

Publication Number Publication Date
WO2017142381A1 true WO2017142381A1 (fr) 2017-08-24

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PCT/KR2017/001841 WO2017142381A1 (fr) 2016-02-19 2017-02-20 Ensemble d'électrodes

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WO (1) WO2017142381A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013140707A (ja) * 2012-01-04 2013-07-18 Hitachi Ltd 電池モジュール及びその製造方法
KR20130118716A (ko) * 2012-04-20 2013-10-30 주식회사 엘지화학 전극 조립체, 이를 포함하는 전지셀 및 디바이스
KR20130132230A (ko) * 2012-05-25 2013-12-04 주식회사 엘지화학 단차를 갖는 전극 조립체 및 이를 포함하는 전지셀, 전지팩 및 디바이스
KR20150133165A (ko) * 2015-11-12 2015-11-27 주식회사 엘지화학 단차 구조를 포함하는 전지셀
KR20160010080A (ko) * 2014-07-18 2016-01-27 주식회사 엘지화학 위치 가변적 전극 탭-리드- 결합부로 이루어진 전극조립체 및 이를 포함하고 있는 전지셀

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013140707A (ja) * 2012-01-04 2013-07-18 Hitachi Ltd 電池モジュール及びその製造方法
KR20130118716A (ko) * 2012-04-20 2013-10-30 주식회사 엘지화학 전극 조립체, 이를 포함하는 전지셀 및 디바이스
KR20130132230A (ko) * 2012-05-25 2013-12-04 주식회사 엘지화학 단차를 갖는 전극 조립체 및 이를 포함하는 전지셀, 전지팩 및 디바이스
KR20160010080A (ko) * 2014-07-18 2016-01-27 주식회사 엘지화학 위치 가변적 전극 탭-리드- 결합부로 이루어진 전극조립체 및 이를 포함하고 있는 전지셀
KR20150133165A (ko) * 2015-11-12 2015-11-27 주식회사 엘지화학 단차 구조를 포함하는 전지셀

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3322022A4 *

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