JP7387966B2 - 二次電池およびこれを含むデバイス - Google Patents
二次電池およびこれを含むデバイス Download PDFInfo
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- 235000015110 jellies Nutrition 0.000 claims description 39
- 239000008274 jelly Substances 0.000 claims description 39
- 238000000926 separation method Methods 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 15
- 238000009966 trimming Methods 0.000 claims description 6
- 238000005304 joining Methods 0.000 claims description 3
- 239000011149 active material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000009863 impact test Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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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
-
- 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
- H01M10/05—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
- H01M10/05—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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
-
- 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
- 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
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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)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
本出願は、2019年10月18日付の韓国特許出願第10-2019-0129946号に基づく優先権の利益を主張し、当該韓国特許出願の文献に開示されたすべての内容は本明細書の一部として含まれる。
200:第1電極シート
210:第1電極タブ
211:接合部
212:延長部
300:第2電極シート
400:分離膜
500:段差部
600:突出部
700:湾入溝
800:湾入溝挿入部
Claims (12)
- 第1電極シートと、第2電極シートと、前記第1電極シートと前記第2電極シートとの間に介在した分離膜とが共に巻取られたゼリーロール電極組立体と、
前記第1電極シートの無地部に接合され、前記ゼリーロール電極組立体の中心部に位置する第1電極タブとを含み、
前記第1電極タブは、前記無地部に接合される接合部と、前記接合部から外部に延びた延長部とを含み、
前記接合部の幅は、前記延長部の幅より広く、
前記接合部は、前記ゼリーロール電極組立体の中心部で3/4回以上1回以下で巻取られ、
前記接合部の一端部が、前記一端部に対向する他端部と当接している二次電池。 - 第1電極シートと、第2電極シートと、前記第1電極シートと前記第2電極シートとの間に介在した分離膜とが共に巻取られたゼリーロール電極組立体と、
前記第1電極シートの無地部に接合され、前記ゼリーロール電極組立体の中心部に位置する第1電極タブとを含み、
前記第1電極タブは、前記無地部に接合される接合部と、前記接合部から外部に延びた延長部とを含み、
前記接合部の幅は、前記延長部の幅より広く、
前記接合部は、前記ゼリーロール電極組立体の中心部で3/4回以上1回以下で巻取られ、
前記延長部は、前記無地部の上辺方向に延び、
前記接合部は、前記無地部の上辺から離隔している二次電池。 - 前記第1電極シートの前記無地部は、前記第1電極シートの一端部に形成される、請求項1または2に記載の二次電池。
- 前記第1電極シートは、前記第1電極シートを基準として、前記第1電極タブが位置した方向に巻取られる、請求項1から3のいずれか一項に記載の二次電池。
- 前記接合部は、前記ゼリーロール電極組立体の中心部で1回で巻取られる、請求項1から4のいずれか一項に記載の二次電池。
- 前記接合部の前記一端部に段差部が形成され、
前記接合部の前記他端部に前記段差部と噛み合う突出部が形成された、請求項1に記載の二次電池。 - 前記接合部の前記一端部に湾入溝が形成され、
前記接合部の前記他端部に前記湾入溝に挿入される湾入溝挿入部が形成された、請求項1に記載の二次電池。 - 前記湾入溝と前記湾入溝挿入部は、前記接合部が前記無地部に接合される面およびそれに対向する面のそれぞれから離隔している、請求項7に記載の二次電池。
- 前記接合部は、前記接合部の角の少なくとも1つに形成されたトリミング部を含む、請求項1から8のいずれか一項に記載の二次電池。
- 前記延長部は、前記無地部の上辺方向に延び、
前記接合部は、前記無地部の上辺から離隔している、請求項1から9のいずれか一項に記載の二次電池。 - 前記ゼリーロール電極組立体は、平面上円形の形態に巻取られる、請求項1から10のいずれか一項に記載の二次電池。
- 請求項1から11のいずれか一項に記載の二次電池を1つ以上含むデバイス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2019-0129946 | 2019-10-18 | ||
KR1020190129946A KR20210046337A (ko) | 2019-10-18 | 2019-10-18 | 이차 전지 및 이를 포함하는 디바이스 |
PCT/KR2020/011676 WO2021075710A1 (ko) | 2019-10-18 | 2020-09-01 | 이차 전지 및 이를 포함하는 디바이스 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022552587A JP2022552587A (ja) | 2022-12-19 |
JP7387966B2 true JP7387966B2 (ja) | 2023-11-29 |
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Application Number | Title | Priority Date | Filing Date |
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JP2022507742A Active JP7387966B2 (ja) | 2019-10-18 | 2020-09-01 | 二次電池およびこれを含むデバイス |
Country Status (6)
Country | Link |
---|---|
US (1) | US20220328859A1 (ja) |
EP (1) | EP4007024A4 (ja) |
JP (1) | JP7387966B2 (ja) |
KR (1) | KR20210046337A (ja) |
CN (1) | CN114766069A (ja) |
WO (1) | WO2021075710A1 (ja) |
Families Citing this family (2)
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CN113782805B (zh) * | 2021-08-27 | 2023-05-02 | 宁德新能源科技有限公司 | 一种电化学装置以及电子装置 |
WO2024085582A1 (ko) * | 2022-10-17 | 2024-04-25 | 주식회사 엘지에너지솔루션 | 전극 조립체, 이차 전지, 배터리 팩 및 자동차 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002246269A (ja) | 2001-02-20 | 2002-08-30 | Kyocera Corp | 電気化学素子 |
US20070154797A1 (en) | 2005-12-29 | 2007-07-05 | Yooeup Hyung | Cylindrical lithium ion secondary battery |
JP2016162730A (ja) | 2015-03-05 | 2016-09-05 | 藤森工業株式会社 | 電極リード線部材の製造方法及び電極リード線部材 |
Family Cites Families (10)
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JP4393932B2 (ja) * | 2004-06-18 | 2010-01-06 | 日立マクセル株式会社 | 非水二次電池 |
KR100770091B1 (ko) * | 2005-12-29 | 2007-10-24 | 삼성에스디아이 주식회사 | 원통형 리튬 이차전지 |
JP5311861B2 (ja) * | 2008-03-31 | 2013-10-09 | 三洋電機株式会社 | リチウム二次電池 |
JP2012169161A (ja) * | 2011-02-15 | 2012-09-06 | Panasonic Corp | 円筒型非水電解液電池及びその製造方法 |
KR101336444B1 (ko) * | 2011-06-16 | 2013-12-04 | 삼성에스디아이 주식회사 | 전극조립체 및 이를 이용한 이차 전지 |
KR101669216B1 (ko) * | 2013-09-09 | 2016-10-25 | 삼성전자주식회사 | 전극 조립체 및 이를 구비하는 이차 전지 |
KR102384021B1 (ko) * | 2015-09-24 | 2022-04-07 | 삼성에스디아이 주식회사 | 전극 조립체 및 이를 포함하는 이차 전지 |
WO2018056483A1 (ko) * | 2016-09-23 | 2018-03-29 | 삼성에스디아이(주) | 이차 전지 |
WO2018190691A1 (ko) * | 2017-04-14 | 2018-10-18 | 주식회사 엘지화학 | 이차전지 및 그 이차전지의 제조 방법 |
KR102511009B1 (ko) * | 2017-09-22 | 2023-03-15 | 삼성에스디아이 주식회사 | 전극 조립체 및 이를 포함하는 이차 전지 |
-
2019
- 2019-10-18 KR KR1020190129946A patent/KR20210046337A/ko not_active Application Discontinuation
-
2020
- 2020-09-01 WO PCT/KR2020/011676 patent/WO2021075710A1/ko unknown
- 2020-09-01 EP EP20877946.2A patent/EP4007024A4/en active Pending
- 2020-09-01 CN CN202080060608.7A patent/CN114766069A/zh active Pending
- 2020-09-01 US US17/639,205 patent/US20220328859A1/en active Pending
- 2020-09-01 JP JP2022507742A patent/JP7387966B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002246269A (ja) | 2001-02-20 | 2002-08-30 | Kyocera Corp | 電気化学素子 |
US20070154797A1 (en) | 2005-12-29 | 2007-07-05 | Yooeup Hyung | Cylindrical lithium ion secondary battery |
JP2016162730A (ja) | 2015-03-05 | 2016-09-05 | 藤森工業株式会社 | 電極リード線部材の製造方法及び電極リード線部材 |
Also Published As
Publication number | Publication date |
---|---|
EP4007024A4 (en) | 2023-01-11 |
WO2021075710A1 (ko) | 2021-04-22 |
CN114766069A (zh) | 2022-07-19 |
KR20210046337A (ko) | 2021-04-28 |
US20220328859A1 (en) | 2022-10-13 |
JP2022552587A (ja) | 2022-12-19 |
EP4007024A1 (en) | 2022-06-01 |
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