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Patent Searching and Data


Title:
SEPARATOR FOR ALKALINE BATTERY
Document Type and Number:
Japanese Patent JP3515254
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a separator for an alkaline battery having a long service life and a separator for an alkaline battery wherein reduction of battery capacity due to self-discharging is small, in particular, when it is used as a separator for a nickel-hydrogen battery.
SOLUTION: A separator for use in an alkaline battery comprizes a fiber sheet which is made by graft-polymerizing an unsaturated carboxylic acid monomer and has an ion exchange capacity of 5×10-3 to 100×10-3 equivalent-/m2, and in which a yet-to-be-reacted substance of the unsaturated carboxylic acid grouped monomer and/or remaining quantity of homopolymer is 0.2×10-3 to 1.2×10-3-3 equivalent/m2.


Inventors:
Hirooka, Masanori
Kawatsu, Yoshiaki
Application Number:
JP32359195A
Publication Date:
April 05, 2004
Filing Date:
November 17, 1995
Export Citation:
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Assignee:
JAPAN VILENE CO LTD
International Classes:
D06M14/18; D04H1/4291; D04H1/541; D04H3/11; D06M13/02; D06M13/184; D06M13/203; D06M14/28; H01M2/16; D06M101/00; D06M101/16; D06M101/18; (IPC1-7): H01M2/16