Title:
POWER STORAGE DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/048246
Kind Code:
A1
Abstract:
This power storage device comprises: an electrode body formed by winding a positive electrode and a negative electrode with a separator interposed therebetween; and a negative electrode current collecting plate which is joined to the negative electrode disposed on one end in the axial direction of the electrode body. The negative electrode current collecting plate has a core material joint portion which extends along the radial direction of the electrode body, and a surface facing the negative electrode in the axial direction of which is joined to the negative electrode, and an eaves part which is formed at both ends in the circumferential direction of the core material joint part and extends toward the negative electrode in the axial direction.
Inventors:
SAKAMOTO SHINICHI
KOZUKI KIYOMI
GESHI SHINYA
KOZUKI KIYOMI
GESHI SHINYA
Application Number:
PCT/JP2023/029272
Publication Date:
March 07, 2024
Filing Date:
August 10, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M50/533; H01G11/74; H01M50/536
Domestic Patent References:
| WO2022145910A1 | 2022-07-07 |
Foreign References:
| JP2021103618A | 2021-07-15 | |||
| JP2008066075A | 2008-03-21 | |||
| JP2019517156A | 2019-06-20 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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