- 专利标题: Electrical storage device and electrical storage module
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申请号: US17146700申请日: 2021-01-12
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公开(公告)号: US11742548B2公开(公告)日: 2023-08-29
- 发明人: Kouhei Tsuzuki , Tetsuji Omura , Goro Fujita , Katsunori Yanagida , Yoshitaka Minamida
- 申请人: Panasonic Corporation , TOYOTA JIDOSHA KABUSHIKI KAISHA
- 申请人地址: JP Kadoma
- 专利权人: PANASONIC HOLDINGS CORPORATION,TOYOTA JIDOSHA KABUSHIKI KAISHA
- 当前专利权人: PANASONIC HOLDINGS CORPORATION,TOYOTA JIDOSHA KABUSHIKI KAISHA
- 当前专利权人地址: JP Osaka; JP Toyota
- 代理机构: WHDA, LLP
- 优先权: JP 20004990 2020.01.16
- 主分类号: H01M50/291
- IPC分类号: H01M50/291 ; H01M50/209 ; H01M4/36 ; H01M4/58 ; H01M10/0525 ; H01M4/587 ; H01M10/0585 ; H01M4/133 ; H01M4/02
摘要:
An advantage of the present invention is to suppress an increase in resistance during high-rate charge and discharge and a reduction in capacity during a charge and discharge cycle. An electrical storage module of the present embodiment includes: an electrical storage device, and an elastic body that is placed with the electrical storage device and receives a load from the electrical storage device in a placement direction. The electrical storage device includes a positive electrode, a negative electrode, and a separator. The negative electrode includes a negative-electrode active material layer. The negative-electrode active material layer includes a first layer formed on the negative-electrode current collector, and a second layer that is formed on the first layer and has a higher compression modulus than the first layer. The separator has a lower compression modulus than the first layer, and the elastic body has a lower compression modulus than the separator.
公开/授权文献
- US20210226294A1 ELECTRICAL STORAGE DEVICE AND ELECTRICAL STORAGE MODULE 公开/授权日:2021-07-22
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