JP7364157B2 - 二次電池およびそれを含むデバイス - Google Patents
二次電池およびそれを含むデバイス Download PDFInfo
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- JP7364157B2 JP7364157B2 JP2022508940A JP2022508940A JP7364157B2 JP 7364157 B2 JP7364157 B2 JP 7364157B2 JP 2022508940 A JP2022508940 A JP 2022508940A JP 2022508940 A JP2022508940 A JP 2022508940A JP 7364157 B2 JP7364157 B2 JP 7364157B2
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- secondary battery
- insulating member
- electrode assembly
- temperature
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Images
Classifications
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- H01M10/058—Construction or manufacture
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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
- 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
- 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
-
- 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
- H01M50/584—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
- H01M50/593—Spacers; Insulating plates
-
- 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
- H01M2200/10—Temperature sensitive devices
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Materials Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Description
120 電極組立体
130 電池ケース
131 底部
132 ビーディング部
133 クリンピング部
140 キャップアセンブリ
150 センターピン
160 上端絶縁部材
161 開放部
170 下端絶縁部材
Claims (9)
- ジェリーロール型の電極組立体;
前記電極組立体の上端に位置した上端絶縁部材(Top insulator);および
前記電極組立体の下端に位置した下端絶縁部材(Bottom insulator)
を含み、
前記上端絶縁部材および前記下端絶縁部材のうち少なくとも一つは温度上昇に応じて膨らむ温度感応性高分子を含み、
前記温度感応性高分子は、pNIPAAm(Poly(N-isopropylacrylamide))、pDEAM(Poly(N,N-diethylacrylamide))、pNEMAM(Poly(N-ethylmethacrylamide))、pMVE(Poly(methyl vinyl ether))、pEOVE(Poly(2-ethoxyethyl vinyl ether))、pNVCa(Poly(N-vinylcaprolactam))、pNVIBAM(Poly(N-vinylisobutyramide))およびpNVBAM(Poly(N-vinyl-n-butyramide))の少なくとも一つを含む、
二次電池。 - 前記上端絶縁部材および前記下端絶縁部材のうち少なくとも一つは、絶縁性繊維および前記絶縁性繊維の表面にコートされたコート層を含み、
前記コート層が前記温度感応性高分子を含む、
請求項1に記載の二次電池。 - 前記絶縁性繊維は、ポリエチレン、ポリブチレン、ポリスチレン、ポリエチレンテレフタレート、ポリプロピレン、ガラス繊維(Glass fiber)、天然ゴムおよび合成ゴムのうち少なくとも一つを含む、
請求項2に記載の二次電池。 - 前記電極組立体で上部方向に延びた正極タブをさらに含み、
前記上端絶縁部材に前記正極タブが貫く開放部が形成された、
請求項1から3のいずれか1項に記載の二次電池。 - 前記開放部の内壁と前記正極タブの間にゲルタイプ部材が位置する、
請求項4に記載の二次電池。 - 前記ゲルタイプ部材は前記温度感応性高分子を含む、
請求項5に記載の二次電池。 - 前記電極組立体を収納する円筒形ケースをさらに含む、
請求項1から6のいずれか1項に記載の二次電池。 - 前記電極組立体は、前記上端絶縁部材および前記下端絶縁部材の間で固定される、
請求項1から7のいずれか1項に記載の二次電池。 - 請求項1から8のいずれか1項に記載の二次電池を一つ以上含む、
デバイス。
Applications Claiming Priority (3)
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KR10-2019-0149721 | 2019-11-20 | ||
KR1020190149721A KR20210061779A (ko) | 2019-11-20 | 2019-11-20 | 이차 전지 및 이를 포함하는 디바이스 |
PCT/KR2020/014318 WO2021101082A1 (ko) | 2019-11-20 | 2020-10-20 | 이차 전지 및 이를 포함하는 디바이스 |
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US (1) | US20220367901A1 (ja) |
EP (1) | EP4007034A4 (ja) |
JP (1) | JP7364157B2 (ja) |
KR (1) | KR20210061779A (ja) |
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WO (1) | WO2021101082A1 (ja) |
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WO2013037120A1 (en) | 2011-09-16 | 2013-03-21 | The Gillette Company | Lithium cell having improved weight-loss characteristics |
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- 2019-11-20 KR KR1020190149721A patent/KR20210061779A/ko active Search and Examination
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- 2020-10-20 CN CN202080064221.9A patent/CN114424381A/zh active Pending
- 2020-10-20 JP JP2022508940A patent/JP7364157B2/ja active Active
- 2020-10-20 EP EP20888979.0A patent/EP4007034A4/en active Pending
- 2020-10-20 WO PCT/KR2020/014318 patent/WO2021101082A1/ko unknown
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WO2021101082A1 (ko) | 2021-05-27 |
US20220367901A1 (en) | 2022-11-17 |
JP2022545189A (ja) | 2022-10-26 |
KR20210061779A (ko) | 2021-05-28 |
EP4007034A4 (en) | 2023-07-19 |
CN114424381A (zh) | 2022-04-29 |
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