High-voltage dual electrolyte electrochemical power sources

Details High-voltage dual electrolyte electrochemical power sources High-voltage dual electrolyte electrochemical power sources

2008-03-18

2008-03-18

Maples, John S. (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

Fluid active material or two-fluid electrolyte combination...

C429S047000, C429S204000, C429S206000, C429S304000

Reexamination Certificate

active

07344801

ABSTRACT:
An electrochemical device such as a battery and a fuel cell having two electrolytes between the anode and the cathode. The electrochemical device is preferably arranged with an alkaline electrolyte in contact with the anode and an acidic electrolyte in contact with the cathode. The electrolytes are separated by a bipolar membrane that preferably also provides ionic conductivity between the two electrolytes and also generates a supply of protons and hydroxide anions. The electrochemical device achieves fifty percent higher operating voltage and power compared to fuel cells with a single electrolyte.

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patent: 04-101358 (1992-04-01), None
Paragraph 0002, D. Linden, et al., Handbook of Batteries, McGraw-Hill, 2002, pp. 23.9-23.10; pp. 24.8-24.9, no month.
Paragraph 0002, J. Larmine, et al., “Fuel Cell Systems Explained”, John Wiley Press, 2000, pp. 46-47, no month.
Paragraph 0047, A.J. Bard, et al., “Electrochemical Methods-Fundamentals and Applications”, p. 46, no date.
Paragraph 0054, A.J.B. Kemperman, “Handbook on Biopolar Membrane Technology”, Twente University Press, 2000, ISBN 9036515203, pp. 12-13 and 49-61, no month.

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