Title:
CYLINDRICAL BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/167010
Kind Code:
A1
Abstract:
A cylindrical battery (10) comprises: a housing canister (16) which is bottomed and which accommodates an electrode body (14); and an opening-sealing body (17) which is fixed to a crimping section (31) by crimping with a gasket (18) interposed therebetween, the crimping section being formed by bending an opening part of the housing canister (16). The opening-sealing body (17) includes a cap (28) that includes a flange part (28b) which is crimped by the crimping section (31). The flange part (28b) of the cap (28) includes a recess (28c) the thickness of which is made thin. The gasket (18) includes a projection (18a) that projects from the leading edge of the crimping section (31) and that fits into the recess (28c).
More Like This:
| WO/2018/200683 | SYSTEM AND METHOD FOR MITIGATING THE EFFECTS OF BATTERY LEAKAGE |
| WO/2018/221965 | SECONDARY BATTERY |
| WO/2014/062702 | ELECTROCHEMICAL ENERGY STORAGE DEVICES AND HOUSINGS |
Inventors:
YAMASHITA SHUICHI
FUKUOKA TAKAHIRO
SUZUKI KANA
FUKUOKA TAKAHIRO
SUZUKI KANA
Application Number:
PCT/JP2023/005675
Publication Date:
September 07, 2023
Filing Date:
February 17, 2023
Export Citation:
Assignee:
PANASONIC ENERGY CO LTD (JP)
International Classes:
H01M50/559; H01M50/107; H01M50/152; H01M50/167; H01M50/179; H01M50/184; H01M50/545; H01M50/548; H01M50/567
Domestic Patent References:
| WO2020137547A1 | 2020-07-02 | |||
| WO2020137373A1 | 2020-07-02 | |||
| WO2020226286A1 | 2020-11-12 |
Foreign References:
| JP2018507542A | 2018-03-15 | |||
| US20190148683A1 | 2019-05-16 | |||
| JPS5352944A | 1978-05-13 |
Attorney, Agent or Firm:
YKI INTELLECTUAL PROPERTY ATTORNEYS (JP)
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