Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1993-11-15
1995-07-18
Gorgos, Kathryn
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429221, 429229, 429233, 429234, 429239, 429245, H01M 648
Patent
active
054340209
ABSTRACT:
An electrochemical cell providing full consumption of electrochemically active particles in a nonpacking, electrolyte-permeable bed has a tapered cell cavity bounded by two nonparallel surfaces separated by a distance that promotes bridging of particles across the cavity. The gap/particle size ratio is maintained as the particles are consumed, decrease in size, and travel from the point of entry to the narrower end of the cell. A cell of this configuration supports a bed of low packing density maintained in a dynamic steady state by alternate formation and collapse of particle bridges across the gap and associated voids over the entire active area of the cell. The cell design can be applied to refuelable zinc/air cells and zinc/ferrocyanide storage batteries.
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J. R. Goldstein and B. Koretz, "Test of a Full-Sized Mechanically Rechargeable Zinc-Air Battery in an Electric Vehicle", Paper No. 93410, Proceedings of the 28th Intersociety Energy Conversion Engineering Conference, American Chemical Society, Atlanta, Georgia, Aug. 8-13, 1993, vol. 2, pp. 2.279-2.284.
Gorgos Kathryn
Grzybicki Daryl
Sartorio Henry P.
The Regents of the University of California
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