Separator for sealed lead-acid battery

Details Separator for sealed lead-acid battery Separator for sealed lead-acid battery

2006-11-07

2006-11-07

Crepeau, Jonathan (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Separator, retainer or spacer insulating structure

C429S144000, C429S249000

Reexamination Certificate

active

07132195

ABSTRACT:
A sealed lead-acid battery includes a separator made from hydrophilic treated sheet made from synthetic fiber which wraps at least either one of a positive electrode and a negative electrode. A mat type separator made from fine glass fiber is disposed between the wrapped electrode and its opposite electrode. This structure is adopted in a battery which uses a paste type electrode where an expanded grid having no outer frame on both edges is used, thereby prolonging cycle life even after cycling of charge and deep discharge.

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European Search Report, application no. 97305254.1, dated May 23, 2000, corresponds with publication EP 821422, Jan. 28, 1998.

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