Title:
ALKALINE DRY BATTERY
Document Type and Number:
WIPO Patent Application WO/2022/137629
Kind Code:
A1
Abstract:
An alkaline dry battery according to the present invention is provided with: a cylindrical case having a bottom; a hollow cylindrical positive electrode that is in contact with the interior of the case; a negative electrode that fills the hollow section of the positive electrode and that contains a negative-electrode active material containing zinc; a separator disposed between the positive electrode and the negative electrode; an alkaline electrolytic solution contained in the positive electrode, the negative electrode, and the separator; and a sealing unit that covers an opening of the case. A gap between the negative electrode and the sealing unit and/or a gap between the negative electrode and the bottom of the case is filled with an additive agent. The additive agent contains an organic acid with a melting point of 90°C or more.
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Inventors:
TAKAHASHI YASUFUMI
Application Number:
PCT/JP2021/029088
Publication Date:
June 30, 2022
Filing Date:
August 05, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H01M6/02; H01M6/08
Domestic Patent References:
| WO2010044176A1 | 2010-04-22 |
Foreign References:
| JPS53146139A | 1978-12-19 | |||
| JPH08153499A | 1996-06-11 |
Attorney, Agent or Firm:
KAWASAKI, HASHIMOTO AND PARTNERS (JP)
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