Bipolar battery electrode

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...

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Details

429210, 429234, 429246, H01M 1018, H01M 472

Patent

active

053266560

ABSTRACT:
A bipolar battery comprising a plurality of bipolar electrodes stacked together, each bipolar electrode comprising a conductive septum having positive and negative active material on opposite faces thereof. Each electrode has a nonconductive frame formed thereabout, and a mesa-like lattice which is integral with the frame, overlays the faces of the septum and is defined by an annular shoulder formed between the border of the lattice and the frame. Discrete spacer frames interjacent the electrode frames separate the electrodes from each other and define a region thereabout for retaining the battery's electrolyte. The faces of the spacer include an annular recess contiguous an inner rim thereof which receives, in nesting fashion, the mesa-like lattices for interlocking the several frames together.

REFERENCES:
patent: 2471781 (1949-05-01), Schmidt
patent: 3728158 (1973-04-01), Poe et al.
patent: 3738871 (1973-06-01), Scholle
patent: 4098967 (1978-07-01), Biddick et al.
patent: 4178216 (1979-12-01), Nordblom et al.
patent: 4237205 (1980-12-01), Matter
patent: 4275130 (1981-06-01), Rippel et al.
patent: 4658499 (1987-04-01), Rowlette
W. E. Rippel, "Bipolar Battery Using Conductive-Fiber Composite", NASA Tech Briefs, pp. 20, 22, Feb. 1989.

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