Title:
NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2024/042918
Kind Code:
A1
Abstract:
This non-aqueous electrolyte secondary battery comprises a wound-type electrode group, a non-aqueous electrolyte, a cylindrical battery case that houses the electrode group and the non-aqueous electrolyte, a sealing body that seals an opening of the battery case, and an insulating plate that is disposed between the electrode group and a bottom portion of the battery case. The non-aqueous electrolyte contains a sulfur-containing compound. The insulating plate has an opening, and (A) the insulating plate has an opening ratio of 10% or more, or (B) the opening has a plurality of mutually independent regions.
Inventors:
TAKEDA NANAMI
OTAKE YUJI
DEGUCHI MASAKI
OTAKE YUJI
DEGUCHI MASAKI
Application Number:
PCT/JP2023/026226
Publication Date:
February 29, 2024
Filing Date:
July 18, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M50/593; H01M10/052; H01M10/0567; H01M10/0587; H01M50/107; H01M50/152; H01M50/586
Domestic Patent References:
| WO2016067510A1 | 2016-05-06 | |||
| WO2018163495A1 | 2018-09-13 | |||
| WO2017154079A1 | 2017-09-14 |
Foreign References:
| JP2013134861A | 2013-07-08 | |||
| JPH11329493A | 1999-11-30 |
Attorney, Agent or Firm:
KAWASAKI & PARTNERS (JP)
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