Electrode for electrolyte circulation-type cell stack secondary

Details Electrode for electrolyte circulation-type cell stack secondary Electrode for electrolyte circulation-type cell stack secondary

1983-08-08

1984-07-24

Lefevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429 72, H01M 402

Patent

active

044618174

ABSTRACT:
An electrode for an electrolyte circulation-type cell stack secondary battery includes a pair of microchannels for supplying and exciting an electrolyte to or from an electrode member, and each of the microchannels is formed a first hindrance portion having a plurality of wall-shaped projections and a second hindrance portion integrally with a stepped portion in the electrode thickness direction and numerous small cylindrical projections arranged on the stepped portion in a staggered manner with respect to the flow direction of the electrolyte thereby making uniform the flow of the electrolyte on the surface of the electrode member, suppressing the formation of dendrites, making the current density uniform and improving the cell energy efficiency.

REFERENCES:
patent: 3814631 (1974-06-01), Warszawski et al.
patent: 4346150 (1982-08-01), Bellows et al.
patent: 4421831 (1983-12-01), Garcia, Jr.

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