JP2017530515A - 両方向に巻き取られている電極組立体及びそれを含むリチウム二次電池 - Google Patents
両方向に巻き取られている電極組立体及びそれを含むリチウム二次電池 Download PDFInfo
- Publication number
- JP2017530515A JP2017530515A JP2017508969A JP2017508969A JP2017530515A JP 2017530515 A JP2017530515 A JP 2017530515A JP 2017508969 A JP2017508969 A JP 2017508969A JP 2017508969 A JP2017508969 A JP 2017508969A JP 2017530515 A JP2017530515 A JP 2017530515A
- Authority
- JP
- Japan
- Prior art keywords
- unit
- unit cell
- electrode
- stacked
- electrode assembly
- 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.)
- Granted
Links
Classifications
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
- H01M10/0431—Cells with wound or folded 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
- H01M10/0459—Cells or batteries with folded separator between 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
- H01M10/0468—Compression means for stacks of electrodes and separators
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- 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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- 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
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
-
- 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
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Cell Separators (AREA)
Abstract
Description
Claims (22)
- 正極、負極及び正極と負極との間に分離膜が介在している構造の複数の単位セルと、
前記単位セルの間に介在し、単位セルの側面を取り囲んでいる1単位の分離シートと
を含んでおり、
前記単位セルは、分離シートの一側端部から中央側に分離シートと共に巻き取られて第1積層部を形成する単位セル、分離シートの他側端部から中央側に分離シートと共に巻き取られて第2積層部を形成する単位セル、及び前記分離シートが介在した状態で一面が第1積層部と接し、他面が第2積層部と接する対面単位セルを含んでおり、
前記単位セルは、反対の極性を有する電極が分離シートを介在して接するように積層されていることを特徴とする、電極組立体。 - 前記正極は、正極集電体上に正極スラリー層が形成されており、前記負極は、負極集電体上に負極スラリー層が形成されていることを特徴とする、請求項1に記載の電極組立体。
- 前記電極組立体の最外郭に位置する単位セルにおいて、電極組立体の外面をなす正極は、正極集電体の一面にのみ正極スラリー層が形成されており、電極組立体の外面をなす負極は、負極集電体の一面にのみ負極スラリー層が形成されていることを特徴とする、請求項2に記載の電極組立体。
- 前記第1積層部を形成する単位セルの個数は、第2積層部を形成する単位セルの個数の0.5倍〜1.5倍であることを特徴とする、請求項1に記載の電極組立体。
- 前記第1積層部を形成する単位セルの個数と、第2積層部を形成する単位セルの個数とは同一であることを特徴とする、請求項1に記載の電極組立体。
- 前記第1積層部及び第2積層部の単位セルは、それぞれ分離シートの一面に接した状態で巻き取られていることを特徴とする、請求項1に記載の電極組立体。
- 前記第1積層部の単位セルは、第1方向に巻き取られており、前記第2積層部の単位セルは、第1方向と反対の第2方向に巻き取られていることを特徴とする、請求項6に記載の電極組立体。
- 対面単位セルは、前記第1積層部及び第2積層部の単位セルが接した分離シートの一面の対向面に接していることを特徴とする、請求項6に記載の電極組立体。
- 前記対面単位セルは、第1積層部の最後に巻き取られた単位セルである単位セル(a)と、第2積層部の最後に巻き取られた単位セルである単位セル(b)とが互いに対面するように、第1積層部と第2積層部を位置させた状態で、分離シートがそれぞれ介在した状態で単位セル(a)と単位セル(b)との間に挿入されていることを特徴とする、請求項8に記載の電極組立体。
- 前記単位セル(a)と単位セル(b)が互いに対面するように、巻き取り端部を中心に、第1積層部は第2方向に垂直に折り曲げられており、第2積層部は第1方向に垂直に折り曲げられていることを特徴とする、請求項9に記載の電極組立体。
- 前記対面単位セルは、負極/分離膜/正極/分離膜/負極を基本構造とするC型バイセルであることを特徴とする、請求項10に記載の電極組立体。
- 前記単位セル(a)及び単位セル(b)は、正極/分離膜/負極/分離膜/正極を基本構造とするA型バイセルであることを特徴とする、請求項10に記載の電極組立体。
- 前記第1積層部において単位セル(a)に隣接する単位セル(a−1)及び第2積層部において単位セル(b)に隣接する単位セル(b−1)は、電極組立体の外面を形成する電極が、電極合剤の片面コーティング電極であることを特徴とする、請求項10に記載の電極組立体。
- 前記分離膜または分離膜シートは、微細気孔を含むポリエチレンフィルム、ポリプロピレンフィルム、またはこれらのフィルムの組み合わせによって製造される多層フィルム、及びポリビニリデンフルオライド、ポリエチレンオキシド、ポリアクリロニトリル、またはポリビニリデンフルオライドヘキサフルオロプロピレン共重合体の高分子電解質用高分子フィルムからなる群から選択されることを特徴とする、請求項1に記載の電極組立体。
- 請求項1に記載の電極組立体が電池ケース内に内蔵されて電解液で含浸され、密封された構造からなる、リチウム二次電池。
- 請求項15に記載のリチウム二次電池を単位電池として含むことを特徴とする、電池モジュール。
- 請求項16に記載の電池モジュールを電源として含むことを特徴とする、デバイス。
- 前記デバイスは、電気自動車、ハイブリッド電気自動車、プラグインハイブリッド電気自動車、または電力貯蔵装置であることを特徴とする、請求項17に記載のデバイス。
- 請求項1に記載の電極組立体の製造方法であって、
(a)正極、負極及び正極と負極との間に分離膜が介在している構造の複数の単位セルを製造するステップと、
(b)1単位の分離シートの上面に前記単位セルを配列するステップと、
(c)前記分離シートの一側端部から中央側に分離シートと共に単位セルを巻き取って第1積層部を形成するステップと、
(d)前記分離シートの他側端部から中央側に分離シートと共に単位セルを巻き取って第2積層部を形成するステップと、
(e)前記分離シートの下面の中央部に対面単位セルを位置させるステップと、
(f)前記第1積層部及び第2積層部を前記対面単位セル側に折り曲げ、前記対面単位セルの一面が第1積層部と接し、他面が第2積層部と接するステップと
を含むことを特徴とする、電極組立体の製造方法。 - 前記(b)ステップにおいて、巻き取り時に電極組立体の最外郭に位置する単位セルにおいて、電極組立体の外面をなす正極は、正極集電体の一面にのみ正極スラリー層が形成されており、電極組立体の外面をなす負極は、負極集電体の一面にのみ負極スラリー層が形成されていることを特徴とする、請求項19に記載の電極組立体の製造方法。
- 前記(c)ステップ及び(d)ステップにおいて、前記第1積層部を形成する単位セルの個数は、第2積層部を形成する単位セルの個数の0.5倍〜1.5倍であることを特徴とする、請求項19に記載の電極組立体の製造方法。
- 前記(e)ステップにおいて、対面単位セルは、負極/分離膜/正極/分離膜/負極を基本構造とするC型バイセルであることを特徴とする、請求項19に記載の電極組立体の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140134776A KR101799570B1 (ko) | 2014-10-07 | 2014-10-07 | 양 방향으로 권취되어 있는 전극조립체 및 이를 포함하는 리튬 이차전지 |
KR10-2014-0134776 | 2014-10-07 | ||
PCT/KR2015/009703 WO2016056764A1 (ko) | 2014-10-07 | 2015-09-16 | 양 방향으로 권취되어 있는 전극조립체 및 이를 포함하는 리튬 이차전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017530515A true JP2017530515A (ja) | 2017-10-12 |
JP6374599B2 JP6374599B2 (ja) | 2018-08-15 |
Family
ID=55578284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017508969A Active JP6374599B2 (ja) | 2014-10-07 | 2015-09-16 | 両方向に巻き取られている電極組立体及びそれを含むリチウム二次電池 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10411304B2 (ja) |
EP (1) | EP3168918B1 (ja) |
JP (1) | JP6374599B2 (ja) |
KR (1) | KR101799570B1 (ja) |
CN (2) | CN205122703U (ja) |
PL (1) | PL3168918T3 (ja) |
WO (1) | WO2016056764A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021511622A (ja) * | 2018-09-19 | 2021-05-06 | エルジー・ケム・リミテッド | 電極組立体 |
CN112928338A (zh) * | 2021-02-07 | 2021-06-08 | 华鼎国联动力电池有限公司 | 一种长软包锂离子电池极组的卷叠一体化方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101799570B1 (ko) * | 2014-10-07 | 2017-11-20 | 주식회사 엘지화학 | 양 방향으로 권취되어 있는 전극조립체 및 이를 포함하는 리튬 이차전지 |
KR102159530B1 (ko) * | 2016-08-16 | 2020-09-25 | 주식회사 엘지화학 | 고정 홀이 형성된 단위셀을 포함하고 있는 전극조립체 스택 |
KR102311950B1 (ko) * | 2018-11-19 | 2021-10-14 | 주식회사 엘지에너지솔루션 | 전극조립체 |
KR20200088067A (ko) * | 2019-01-14 | 2020-07-22 | 에스케이이노베이션 주식회사 | 2차 전지용 스택 형 젤리롤, 이를 포함하는 배터리 셀, 이를 포함하는 배터리 팩 및 이의 제조 방법 |
CN110783638B (zh) * | 2019-09-23 | 2022-10-11 | 合肥国轩高科动力能源有限公司 | 一种卷绕堆叠式电芯及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003523059A (ja) * | 2000-02-08 | 2003-07-29 | エルジー・ケミカル・カンパニー・リミテッド | 重畳電気化学セル及びその製造方法 |
JP2007324118A (ja) * | 2006-06-05 | 2007-12-13 | Lg Chem Ltd | 二つ以上のユニットセルを備えた高容量電池セル |
JP2014035955A (ja) * | 2012-08-09 | 2014-02-24 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100894410B1 (ko) * | 2005-05-27 | 2009-04-24 | 주식회사 엘지화학 | 이종 전극 활물질층을 포함하고 있는 중첩식 리튬 이차전지 |
KR100859996B1 (ko) * | 2006-05-15 | 2008-09-25 | 주식회사 엘지화학 | 이중 권취형 전극조립체 |
KR100861705B1 (ko) | 2006-05-29 | 2008-10-06 | 주식회사 엘지화학 | 구조적 안정성과 전해액의 젖음성이 우수한 전극조립체 및이를 포함하는 이차전지 |
JP5157244B2 (ja) * | 2007-05-11 | 2013-03-06 | Tdk株式会社 | 電気化学デバイス及びその製造方法 |
KR100987300B1 (ko) * | 2007-07-04 | 2010-10-12 | 주식회사 엘지화학 | 스택-폴딩형 전극조립체 및 그것의 제조방법 |
KR101150265B1 (ko) | 2007-07-16 | 2012-06-12 | 주식회사 엘지화학 | 신규한 구조의 스택/폴딩형 전극조립체 및 그것의 제조방법 |
KR101065883B1 (ko) | 2009-10-15 | 2011-09-19 | 삼성에스디아이 주식회사 | 이차 전지용 전극조립체, 그 제조방법 및 그 전극조립체를 구비하는 이차전지 |
KR101604834B1 (ko) * | 2009-11-24 | 2016-03-18 | 주식회사 엘지화학 | 전극 조립체 제조용 구조체 및 이로부터 제조되는 스택-폴딩형 전극 조립체 |
KR101349205B1 (ko) | 2011-04-15 | 2014-01-08 | 에스케이이노베이션 주식회사 | 이차 전지 다중 삽입 적층 장치 및 방법 |
KR101480740B1 (ko) | 2012-02-20 | 2015-01-12 | 주식회사 엘지화학 | 신규한 구조의 전극조립체의 제조방법 |
KR20130118716A (ko) * | 2012-04-20 | 2013-10-30 | 주식회사 엘지화학 | 전극 조립체, 이를 포함하는 전지셀 및 디바이스 |
CN102683742A (zh) | 2012-06-12 | 2012-09-19 | 东莞新能源科技有限公司 | 一种锂离子电芯及其制备方法 |
US9882224B2 (en) * | 2012-08-21 | 2018-01-30 | Nokia Technologies Oy | Method and apparatus for flexible battery |
KR101553542B1 (ko) | 2012-09-14 | 2015-09-16 | 에스케이이노베이션 주식회사 | 2차 전지 내부 셀 스택 방법 및 이를 이용하여 제조되는 셀 스택 |
US10050300B2 (en) * | 2013-03-11 | 2018-08-14 | Google Technology Holdings LLC | Electrochemical cell with multi-faceted geometry |
CN203377340U (zh) * | 2013-08-16 | 2014-01-01 | 东莞新能源科技有限公司 | 电芯 |
KR101799570B1 (ko) | 2014-10-07 | 2017-11-20 | 주식회사 엘지화학 | 양 방향으로 권취되어 있는 전극조립체 및 이를 포함하는 리튬 이차전지 |
-
2014
- 2014-10-07 KR KR1020140134776A patent/KR101799570B1/ko not_active Application Discontinuation
-
2015
- 2015-09-16 PL PL15848708T patent/PL3168918T3/pl unknown
- 2015-09-16 EP EP15848708.2A patent/EP3168918B1/en active Active
- 2015-09-16 WO PCT/KR2015/009703 patent/WO2016056764A1/ko active Application Filing
- 2015-09-16 US US15/504,140 patent/US10411304B2/en active Active
- 2015-09-16 JP JP2017508969A patent/JP6374599B2/ja active Active
- 2015-09-30 CN CN201520771880.2U patent/CN205122703U/zh not_active Withdrawn - After Issue
- 2015-09-30 CN CN201510642370.XA patent/CN105489942B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003523059A (ja) * | 2000-02-08 | 2003-07-29 | エルジー・ケミカル・カンパニー・リミテッド | 重畳電気化学セル及びその製造方法 |
JP2007324118A (ja) * | 2006-06-05 | 2007-12-13 | Lg Chem Ltd | 二つ以上のユニットセルを備えた高容量電池セル |
JP2014035955A (ja) * | 2012-08-09 | 2014-02-24 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021511622A (ja) * | 2018-09-19 | 2021-05-06 | エルジー・ケム・リミテッド | 電極組立体 |
CN112928338A (zh) * | 2021-02-07 | 2021-06-08 | 华鼎国联动力电池有限公司 | 一种长软包锂离子电池极组的卷叠一体化方法 |
Also Published As
Publication number | Publication date |
---|---|
CN105489942A (zh) | 2016-04-13 |
EP3168918B1 (en) | 2018-10-31 |
EP3168918A4 (en) | 2018-01-03 |
KR101799570B1 (ko) | 2017-11-20 |
WO2016056764A1 (ko) | 2016-04-14 |
JP6374599B2 (ja) | 2018-08-15 |
US10411304B2 (en) | 2019-09-10 |
PL3168918T3 (pl) | 2019-04-30 |
US20170279158A1 (en) | 2017-09-28 |
CN205122703U (zh) | 2016-03-30 |
EP3168918A1 (en) | 2017-05-17 |
KR20160041225A (ko) | 2016-04-18 |
CN105489942B (zh) | 2018-01-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6374599B2 (ja) | 両方向に巻き取られている電極組立体及びそれを含むリチウム二次電池 | |
JP6453515B1 (ja) | 積層式二次電池の製造方法 | |
KR100859996B1 (ko) | 이중 권취형 전극조립체 | |
KR101792572B1 (ko) | 절연물질이 코팅되어 있는 전극을 포함하는 전지셀 | |
US9966597B2 (en) | Method of manufacturing jelly roll-type electrode assembly and method of manufacturing jelly roll-type polymer secondary battery | |
US20160372781A1 (en) | Stepped electrode assembly, secondary battery including the electrode assembly, and method of manufacturing the electrode assembly | |
CN110178257B (zh) | 电极组件和用于制造电极组件的方法 | |
TW201526363A (zh) | 具有穩定化堆疊之階梯部分之電極組合及製造彼之方法 | |
KR101637071B1 (ko) | 부분 절곡 기능을 갖는 전극 조립체 및 이를 포함하는 배터리 셀 | |
KR101706319B1 (ko) | 계단 구조의 복합 전극 조립체 | |
KR102108113B1 (ko) | 외주변이 절곡된 분리막을 포함하는 전극조립체 | |
KR20130131843A (ko) | 신규한 이차전지용 전극 분리막 조립체 및 이의 제조방법 | |
KR101650860B1 (ko) | 분리막의 열 수축성이 억제된 전지셀 | |
US20130143099A1 (en) | Lithium ion battery | |
US11450906B2 (en) | Secondary cylindrical battery having piezoelectric element and thermoelectric element | |
KR102162723B1 (ko) | 절곡된 한 개의 분리막으로 이루어진 단위셀을 포함하고 있는 전극조립체 | |
EP3486989A1 (en) | Manufacturing method for laminated secondary battery | |
KR101792602B1 (ko) | 전극 집전체의 중첩이 최소화된 전극조립체를 포함하는 전지셀 | |
KR20150035079A (ko) | 분리막의 열 수축성이 억제된 전지셀 | |
KR101709527B1 (ko) | 안전성이 향상된 전지셀 | |
JP7038957B2 (ja) | 電池セルおよび電極リードの製造方法 | |
JP2023541349A (ja) | 短絡防止用コーティング部を備えた電極組立体 | |
KR20230052706A (ko) | 리튬 이차전지용 전극 조립체 라미네이션 방법 및 이의 장치 | |
CN116868391A (zh) | 电极组件和包括该电极组件的电池电芯 | |
KR20180008038A (ko) | 전극 조립체 및 그 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170628 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20180615 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20180625 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180719 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6374599 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |