Gelling agent for alkaline cell and alkaline cell

Details Gelling agent for alkaline cell and alkaline cell Gelling agent for alkaline cell and alkaline cell

2008-01-01

2008-01-01

Weiner, Laura (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

C429S189000, C429S206000, C429S207000, C252S062200, C523S513000, C523S514000

Reexamination Certificate

active

07314687

ABSTRACT:
A gelatinizer for alkaline batteries, which comprises crosslinked polymer particles comprising, as one or more main constituting monomer units, (meth) acrylic acid and/or an alkali metal salt thereof having an average particle size of 0.1 to 2,000 μm, and a super fine particle form metal oxide having an average particle size of 0.1 to 100 nm; and an alkaline battery using the gelatinizer. The impact resistance of the battery, the discharge characteristic thereof, the lifespan thereof, and others are very good. The present invention can make the time for producing alkaline batteries short, and is useful for producing batteries containing none of materials harmful to the human body, such as benzene.

REFERENCES:
patent: 6265105 (2001-07-01), Tokuda et al.
patent: 6667133 (2003-12-01), Sumiya et al.
patent: 2-119053 (1990-05-01), None
patent: 5-135770 (1993-06-01), None
patent: 2000-67910 (2000-03-01), None
patent: 2000-306589 (2000-11-01), None

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