Batteries including improved fine fiber separators

Details Batteries including improved fine fiber separators Batteries including improved fine fiber separators

2006-09-26

2006-09-26

Ha, Nguyen T. (Department: 2831)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode or plural tablets, pellets or discs

C429S120000, C429S142000, C429S176000, C429S248000, C429S249000, C361S502000, C361S504000, C361S508000, C361S512000

Reexamination Certificate

active

07112389

ABSTRACT:
Alkaline and lithium batteries are disclosed that advantageously include separators comprising at least one porous layer of fine fibers having a diameter of between about 50 nm and about 3000 nm that provide improved combinations of reduced thickness, dendritic barrier against short-circuiting and low ionic resistance as compared with known battery separators.

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U.S. Appl. No. 11/240,738, filed Sep. 30, 2005, Arora et al.

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