Alkaline dry battery

Details Alkaline dry battery Alkaline dry battery

2007-07-17

2007-07-17

Cantelmo, Gregg (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

Reexamination Certificate

active

10484089

ABSTRACT:
In order to obtain an alkaline dry battery low in the possibility of electrolyte leakage and excellent in discharge performance as well as an alkaline dry battery which is not likely to cause an internal short circuit even with the use of a thin separator, as a zinc powder used is one including 65 to 75 wt % of first zinc particles having a particle size of larger than 75 μm and not larger than 425 μm, and 25 to 35 wt % of second zinc particles having a particle size of not larger than 75 μm.

REFERENCES:
patent: 6022639 (2000-02-01), Urry
patent: 6235422 (2001-05-01), Kaplan et al.
patent: 57-182972 (1982-11-01), None
patent: 58-112254 (1983-07-01), None
patent: 03-257755 (1991-11-01), None
patent: 05-335006 (1993-12-01), None
patent: 11-111256 (1999-04-01), None
patent: P2001-155707 (2001-06-01), None
patent: WO 99/07030 (1999-02-01), None
Linden, “Handbook of Batteries” McGraw-Hill Inc, 1995. pp. 10.2 and 10.6.

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