Title:
ALKALINE PRIMARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2007/013374
Kind Code:
A1
Abstract:
Disclosed is an alkaline primary battery having excellent discharge characteristics while exhibiting excellent leakage resistance by suppressing gas generation due to over-discharge. Specifically disclosed is an alkaline primary battery comprising a positive electrode containing manganese dioxide and nickel oxyhydroxide as positive electrode active materials, a negative electrode containing zinc as a negative electrode active material, a separator arranged between the positive electrode and the negative electrode, and an alkaline electrolyte solution. This alkaline primary battery is characterized in that the average nickel valence of the nickel oxyhydroxide is 3.05-3.15 and the ratio of the negative electrode capacity to the positive electrode capacity is 1.0-1.2.
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| JP2784151 | ALKALINE BATTERY |
Inventors:
MUKAI YASUO
FUJIWARA MICHIKO
IZUMI HIDEKATSU
OKADA TADAYA
NOYA SHIGETO
FUJIWARA MICHIKO
IZUMI HIDEKATSU
OKADA TADAYA
NOYA SHIGETO
Application Number:
PCT/JP2006/314502
Publication Date:
February 01, 2007
Filing Date:
July 21, 2006
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
MUKAI YASUO
FUJIWARA MICHIKO
IZUMI HIDEKATSU
OKADA TADAYA
NOYA SHIGETO
MUKAI YASUO
FUJIWARA MICHIKO
IZUMI HIDEKATSU
OKADA TADAYA
NOYA SHIGETO
International Classes:
H01M6/06; H01M4/06; H01M4/52
Domestic Patent References:
| WO2005045958A1 | 2005-05-19 |
Foreign References:
| JP2004006092A | 2004-01-08 | |||
| JP2004164863A | 2004-06-10 |
Attorney, Agent or Firm:
ISHII, Kazuo et al. (3-6 Kitahama 2-chom, Chuo-ku Osaka-shi Osaka 41, JP)
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