Battery plate containing filler with conductive coating

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode

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429228, 429245, H01M 460

Patent

active

045102198

ABSTRACT:
The plate (10) comprises a matrix or binder resin phase (12) in which is dispersed particulate, conductive tin oxide such as tin oxide coated glass fibers (14). A monopolar plate (11) is prepared by coating a layer (18) of electrolytically active material onto a surface of the plate (10). Tin oxide is prevented from reduction by coating a surface of the plate (10) with a conductive, impervious layer resistant to reduction such as a thin film (22) of lead adhered to the plate with a layer (21) of conductive adhesive. The plate (10) can be formed by casting a molten dispersion from mixer (36) onto a sheet (30) of lead foil or by passing an assembly of a sheet (41) of resin, a sheet (43) of fiberglass and a sheet (45) of lead between the nip of heated rollers (48, 50).

REFERENCES:
patent: 3202545 (1965-08-01), Emeriat
patent: 3466193 (1969-09-01), Hughel
patent: 3738871 (1973-06-01), Scholle
patent: 3819412 (1974-06-01), Taylor et al.
patent: 4098967 (1978-07-01), Biddick et al.
patent: 4125680 (1978-11-01), Shropshire et al.
patent: 4275130 (1981-06-01), Rippel et al.
patent: 4326017 (1982-04-01), Will
patent: 4339322 (1982-07-01), Balho et al.

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