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US 7,405,023 B2Granted
Alkaline dry battery
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsMitsuji Adachi, Takayuki Umebayashi, Yasuhiko Shoji
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Abstract
The present invention provides an alkaline dry battery which has excellent heavy load and intermediate load discharge characteristics, and in which reduction in light load discharge characteristic is suppressed. In the alkaline dry battery comprising: a negative electrode; an alkaline electrolyte; and a positive electrode comprising manganese dioxide and a graphite powder, the positive electrode is added with an additive selected from the group consisting of Ti(OH)4 and Ti(OH)2.
Claims4
An alkaline dry battery comprising:
- a negative electrode;
- an alkaline electrolyte;
- and a positive electrode comprising manganese dioxide and a graphite powder, characterized in that said positive electrode comprises an additive selected from the group consisting of Ti(OH)4 and TiO(OH)2, wherein said alkaline dry battery is a primary battery.
An alkaline dry battery comprising:
- a negative electrode;
- an alkaline electrolyte;
- and a positive electrode comprising manganese dioxide and a graphite powder, characterized in that said positive electrode comprises TiO(OH)2 as an additive.
Dependencies are inferred from the claim text.