Electrolyte for zinc bromide battery

Details Electrolyte for zinc bromide battery Electrolyte for zinc bromide battery

1990-08-01

1993-02-23

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Include electrolyte chemically specified and method

429101, 429105, H01M 458

Patent

active

051889153

ABSTRACT:
A secondary battery utilizing a zinc bromide electrolyte has an electrolyte which is composed of a first solution including zinc bromide and a complexing agent which forms a bromide complex from the bromide ions to precipitate the complex in the electrolyte, and a second solution of a zinc compound which is selected from groups of compounds which decompose at a higher voltage than the first solution during battery charging. The concentrations of the first and second solutions are regulated for providing a concentration of zinc ions which are generated from the first and the second solutions at least 0.5 mol/l higher than bromide ions which are generated from the first solution.

REFERENCES:
patent: 4510218 (1985-04-01), Ando et al.
patent: 4614693 (1986-09-01), Hashimoto et al.
patent: 4663251 (1987-05-01), Sasaki et al.
patent: 4677039 (1987-06-01), Sasaki et al.
patent: 4818642 (1989-04-01), Bellows et al.

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