JP2020522101A - 二次電池 - Google Patents
二次電池 Download PDFInfo
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- JP2020522101A JP2020522101A JP2019565869A JP2019565869A JP2020522101A JP 2020522101 A JP2020522101 A JP 2020522101A JP 2019565869 A JP2019565869 A JP 2019565869A JP 2019565869 A JP2019565869 A JP 2019565869A JP 2020522101 A JP2020522101 A JP 2020522101A
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- 239000000853 adhesive Substances 0.000 claims abstract description 46
- 230000001070 adhesive effect Effects 0.000 claims abstract description 46
- 239000000126 substance Substances 0.000 claims abstract description 28
- 238000000926 separation method Methods 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 23
- 238000000354 decomposition reaction Methods 0.000 claims description 15
- 239000002923 metal particle Substances 0.000 claims description 12
- 229920000642 polymer Polymers 0.000 claims description 6
- 150000001491 aromatic compounds Chemical class 0.000 claims description 3
- 238000007789 sealing Methods 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 239000008151 electrolyte solution Substances 0.000 description 5
- 230000003111 delayed effect Effects 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
-
- 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
- H01M50/10—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
- H01M50/178—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for pouch or flexible bag cells
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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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/195—Composite material consisting of a mixture of organic and inorganic materials
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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
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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
- H01M50/571—Methods or arrangements for affording protection against corrosion; Selection of materials therefor
-
- 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
-
- 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
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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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- 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
- H01M50/183—Sealing members
- H01M50/19—Sealing members characterised by the material
- H01M50/198—Sealing members characterised by the material characterised by physical properties, e.g. adhesiveness or hardness
-
- 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
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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
- H01M50/543—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
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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
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
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- 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
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- 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)
- Composite Materials (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
図2と図3に示されたとおり、本発明の実施形態による二次電池はCIDが適用された構造を有する。すなわち、リードは第1リード21と第2リード22が連結されて構成され、かつ前記第1リード21と第2リード22の接合は内部圧力が増加すると破断されるように構成される。
本発明の他の実施例では、前記第1リード21と第2リード22をパウチ10に固定させる第2接着手段50も前記高電圧分解物質41が含有される。
21 第1リード
22 第2リード
22 リード
30 電極組立体
31 タブ連結部
40 接着手段
41 高電圧分解物質
42 金属粒子
43 接着物質
50 第2接着手段
60 接着剤
Claims (9)
- パウチ、
前記パウチ内に装着され、電極と分離膜が交互に積層されて構成され、かつ前記電極の各終端から拡張された電極タブが一側に集められた状態で重なってタブ連結部を形成する電極組立体、
一端がタブ連結部と連結される第1リードと、前記第1リードに一端が連結され、他端はパウチの外部につながる第2リードとを含み、前記第1リードと第2リードのそれぞれはパウチの内部面に固定されたリード、及び
導電性を有し、かつ、前記第1リードと第2リードを結合させる接着手段、を含み、
前記パウチの内部のガス圧力が上昇して膨張すると、第1リードと第2リードの分離がなされ、かつ前記接着手段にはガス圧力の上昇を促進するよう、一定以上の高電圧が加えられると分解されてガスを発生させる高電圧分解物質が含有された二次電池。 - 前記接着手段は、
導電性を付与する金属粒子、
接着性を付与する接着物質、及び
高電圧が加えられるとガスを発生させる高電圧分解物質、を含む、請求項1に記載の二次電池。 - 前記高電圧分解物質は、高電圧で分解されるポリマーであることを特徴とする、請求項2に記載の二次電池。
- 前記ポリマーは、フッ素−置換芳香族化合物を含有する物質であることを特徴とする、請求項3に記載の二次電池。
- 前記高電圧分解物質は、Li2Co3を含有する物質であることを特徴とする、請求項2〜4の何れか一項に記載の二次電池。
- 前記接着手段における高電圧分解物質は、0.1wt%から5wt%範囲で含まれていることを特徴とする、請求項2〜5の何れか一項に記載の二次電池。
- 前記接着手段における金属粒子は、20wt%から90wt%範囲で含まれていることを特徴とする、請求項2〜6の何れか一項に記載の二次電池。
- 前記接着手段における接着物質は、5wt%から40wt%範囲で含まれていることを特徴とする、請求項2〜7の何れか一項に記載の二次電池。
- 前記第1リードと第2リードをパウチに固定させる第2接着手段に前記高電圧分解物質が含有され、かつ前記第2接着手段に含有される高電圧分解物質は、前記第2接着手段の接着力が前記接着手段の接着力よりさらに大きく形成される範囲内で定まることを特徴とする、請求項1から8のいずれか一項に記載の二次電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020170158265A KR102270866B1 (ko) | 2017-11-24 | 2017-11-24 | 이차전지 |
KR10-2017-0158265 | 2017-11-24 | ||
PCT/KR2018/013665 WO2019103372A1 (ko) | 2017-11-24 | 2018-11-09 | 이차전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020522101A true JP2020522101A (ja) | 2020-07-27 |
JP7045579B2 JP7045579B2 (ja) | 2022-04-01 |
Family
ID=66631012
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019565869A Active JP7045579B2 (ja) | 2017-11-24 | 2018-11-09 | 二次電池 |
Country Status (8)
Country | Link |
---|---|
US (1) | US11404755B2 (ja) |
EP (1) | EP3627591B1 (ja) |
JP (1) | JP7045579B2 (ja) |
KR (1) | KR102270866B1 (ja) |
CN (1) | CN110870101B (ja) |
ES (1) | ES2969689T3 (ja) |
PL (1) | PL3627591T3 (ja) |
WO (1) | WO2019103372A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021502666A (ja) * | 2018-06-04 | 2021-01-28 | エルジー・ケム・リミテッド | ガス発生物質を含む接着部を備えた円筒型二次電池 |
WO2023058735A1 (ja) * | 2021-10-06 | 2023-04-13 | 大日本印刷株式会社 | 金属端子用接着性フィルム、金属端子用接着性フィルムの製造方法、金属端子用接着性フィルム付き金属端子、蓄電デバイス、及び蓄電デバイスの製造方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210053399A (ko) * | 2019-11-01 | 2021-05-12 | 주식회사 엘지화학 | 전극 리드 제조 방법 및 가압기 |
KR20210062139A (ko) | 2019-11-20 | 2021-05-31 | 주식회사 엘지화학 | 전극 리드 제조 방법 및 파우치 형 이차 전지 |
CN111900272B (zh) * | 2020-06-30 | 2022-12-27 | 东莞新能安科技有限公司 | 电化学装置和电子装置 |
DE102021104716A1 (de) * | 2021-02-26 | 2022-09-01 | Volkswagen Aktiengesellschaft | Batteriezelle mit Klemmkontakt, Batteriesystem und Kraftfahrzeug |
DE102021104722A1 (de) * | 2021-02-26 | 2022-09-01 | Volkswagen Aktiengesellschaft | Batteriezelle mit Trennvorrichtung, Batteriesystem und Kraftfahrzeug |
KR20230000367A (ko) * | 2021-06-24 | 2023-01-02 | 주식회사 엘지에너지솔루션 | 전극 탭 보호 테이프 및 이를 포함하는 이차전지 |
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2017
- 2017-11-24 KR KR1020170158265A patent/KR102270866B1/ko active IP Right Grant
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2018
- 2018-11-09 US US16/631,329 patent/US11404755B2/en active Active
- 2018-11-09 CN CN201880043100.9A patent/CN110870101B/zh active Active
- 2018-11-09 PL PL18880825.7T patent/PL3627591T3/pl unknown
- 2018-11-09 ES ES18880825T patent/ES2969689T3/es active Active
- 2018-11-09 JP JP2019565869A patent/JP7045579B2/ja active Active
- 2018-11-09 WO PCT/KR2018/013665 patent/WO2019103372A1/ko unknown
- 2018-11-09 EP EP18880825.7A patent/EP3627591B1/en active Active
Patent Citations (8)
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JPH11162512A (ja) * | 1997-09-26 | 1999-06-18 | Nec Moli Energy Canada Ltd | 再充電可能な非水系リチウム電池における過充電保護用改良添加剤 |
JP2002008629A (ja) * | 2000-06-16 | 2002-01-11 | Tdk Corp | 電気化学デバイス |
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KR20160125920A (ko) * | 2015-04-22 | 2016-11-01 | 주식회사 엘지화학 | 안전성이 향상된 이차전지 |
US20170125786A1 (en) * | 2015-11-04 | 2017-05-04 | Hyundai Motor Company | Battery cell |
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JP2021502666A (ja) * | 2018-06-04 | 2021-01-28 | エルジー・ケム・リミテッド | ガス発生物質を含む接着部を備えた円筒型二次電池 |
JP7110536B2 (ja) | 2018-06-04 | 2022-08-02 | エルジー エナジー ソリューション リミテッド | ガス発生物質を含む接着部を備えた円筒型二次電池 |
US11581616B2 (en) | 2018-06-04 | 2023-02-14 | Lg Energy Solution, Ltd. | Cylindrical secondary battery having adhesion unit including gas-generating matertial |
WO2023058735A1 (ja) * | 2021-10-06 | 2023-04-13 | 大日本印刷株式会社 | 金属端子用接着性フィルム、金属端子用接着性フィルムの製造方法、金属端子用接着性フィルム付き金属端子、蓄電デバイス、及び蓄電デバイスの製造方法 |
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KR102270866B1 (ko) | 2021-07-01 |
EP3627591A4 (en) | 2020-08-12 |
US20200212416A1 (en) | 2020-07-02 |
WO2019103372A1 (ko) | 2019-05-31 |
US11404755B2 (en) | 2022-08-02 |
JP7045579B2 (ja) | 2022-04-01 |
ES2969689T3 (es) | 2024-05-22 |
CN110870101B (zh) | 2022-10-04 |
EP3627591B1 (en) | 2024-01-03 |
PL3627591T3 (pl) | 2024-03-25 |
KR20190060244A (ko) | 2019-06-03 |
CN110870101A (zh) | 2020-03-06 |
EP3627591A1 (en) | 2020-03-25 |
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