Button cell

Details Button cell Button cell

1994-02-04

1996-01-23

Willis, Jr., Prince

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Cell enclosure structure, e.g., housing, casing, container,...

429 56, 429241, 296231, H01M 202, H01M 608

Patent

active

054864330

ABSTRACT:
A button cell containing electrodes having a polygonal shape, preferably square or hexagonal, in a flat housing is advantageous when compared to such cells having conventional round pressed powder electrodes. The electrodes can be cut from a continuously manufactured rolled strip with a metallic web overlay without appreciable material waste. The webs of the electrodes face outwardly toward the top and bottom of the housing when the electrodes are fitted into the cell. The free space left between the electrode edges and the interior of the cylindrical cell housing is available as electrolyte collecting space and is advantageous for gas take-up.

REFERENCES:
patent: 3121029 (1964-02-01), Duddy
patent: 3607411 (1971-09-01), Brownrigg
patent: 4256812 (1981-03-01), Tamura et al.
patent: 4463070 (1984-07-01), Affeldt
patent: 5185221 (1993-02-01), Rampel

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