Title:
COIN-SHAPED CELL
Document Type and Number:
WIPO Patent Application WO/2022/201906
Kind Code:
A1
Abstract:
A disclosed cell comprises a layered body configured by bending a cathode plate, an anode plate, and a separator in a zigzag manner. The separator includes a plurality of repeating units S that connect in a row along a direction Ds orthogonal to a width direction WDs of the separator. The separator includes an end part that is bent together with a cathode current collector at the boundary between a cathode current collector unit and a cathode lead part and is layered with a portion of the cathode lead part, and/or an end part that is bent together with an anode current collector at the boundary of an anode current collector unit and an anode lead part and is layered with a portion of the anode lead part. When the length of the repeating unit S in the direction Ds is defined as Ls, the length of an end part (60p) and the length of an end part (60n) in the direction Ds are both from 0.3 Ls to 0.7 Ls.
Inventors:
WATA TOSHIE
KUMAGAI JUN
KUMAGAI JUN
Application Number:
PCT/JP2022/004538
Publication Date:
September 29, 2022
Filing Date:
February 04, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M10/04; H01M10/0583; H01M50/109; H01M50/414; H01M50/463
Domestic Patent References:
| WO2021131659A1 | 2021-07-01 |
Foreign References:
| JP2005243455A | 2005-09-08 | |||
| JP2016129095A | 2016-07-14 | |||
| JPS50116021U | 1975-09-22 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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