Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Include electrolyte chemically specified and method
Patent
1980-04-25
1982-03-02
Lefevour, Charles F.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Include electrolyte chemically specified and method
429204, 429225, 429248, H01M 614
Patent
active
043178723
ABSTRACT:
This invention is directed to a lead-acid battery utilizing a novel electrolyte which includes a silica component. The silica component includes silica particles, means for repelling the particles from each other and for catalyzing the formation of siloxane cross-linkages and a sulfuric acid component. The lead-acid battery includes a container, a plurality of electrodes substantially enclosed by the container, and an electrolyte in substantial physical contact with the plurality of electrodes.
A novel separator material having a silicate component for use in a lead-acid battery is also included in this invention. The separator material includes a silicate component integrally mixed with an oxygen compound of boron forming a microfiber mat. The mat has a pore size between about 0.5 to 10 microns in diameter and an electrical resistance of about 0.01 ohms per square inch for a 0.05 inch thickness.
REFERENCES:
patent: 1496725 (1924-06-01), Moore
patent: 2181299 (1939-11-01), Burgess
patent: 3457112 (1969-07-01), Reber
patent: 3652338 (1972-03-01), Gharkey et al.
patent: 3798070 (1974-03-01), Ruben
patent: 4140840 (1979-02-01), Ruben
Gould Inc.
Hipp Augustus J.
LeFevour Charles F.
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