Battery with bifunctional electrolyte

Details Battery with bifunctional electrolyte Battery with bifunctional electrolyte

2006-01-17

2006-01-17

Weiner, Laura (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

C429S344000, C429S225000, C429S224000, C429S218100, C429S231500, C429S229000, C429S105000, C429S347000

Reexamination Certificate

active

06986966

ABSTRACT:
A battery comprises an acid electrolyte in which a compound provides acidity to the electrolyte and further increases solubility of at least one metal in the redox pair. Especially preferred compounds include alkyl sulfonic acids and alkyl phosphonic acids, and particularly preferred redox coupled include Co3+/Zn0, Mn3+/Zn0, Ce4+/V2+, Ce4+/Ti3+, Ce4+/Zn0, and Pb4+/Pb0.

REFERENCES:
patent: 3811946 (1974-05-01), Creutz et al.
patent: 4279978 (1981-07-01), Dodin et al.
patent: 5558754 (1996-09-01), Karcher
patent: 6242135 (2001-06-01), Mushiake
patent: 6692862 (2004-02-01), Zocchi
patent: 2004/0202939 (2004-10-01), Clarke et al.
Iwasa et al. “Fundamental studies on the electrolyte solutions of novel redox flow battery for electricity storage”, 2001.
Fang, B. et al.,Stidy of the Ce(III)/Ce(IV)redox couple for redox flow battery application, Electronchimica Acta 47 (2002) pp. 3971-3976, especially pp. 3975-3976.

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