Fuel cell comprising a magnetic cathode with static pumping

Details Fuel cell comprising a magnetic cathode with static pumping Fuel cell comprising a magnetic cathode with static pumping

2003-12-02

2009-08-04

Yuan, Dah-Wei D (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

C429S006000

Reexamination Certificate

active

07569289

ABSTRACT:
The fuel cell, generating electric power from oxygen and hydrogen ions and comprising an anode (A), a magnetic cathode, comprising an active layer (2),and a proton electrolyte (1) between the anode and the cathode, comprises a network (3) of permanent magnets (4) designed to increase the diffusion of oxygen in the active layer. The centers of the magnets (4) of the network (3) of permanent magnets are preferably arranged with a two-dimensional distribution in a plane arranged at the interface between the electrolyte (1) and the active layer (2), the magnets being magnetized in parallel manner along the axis perpendicular to this plane. In this way, all the poles of one polarity (S) are surrounded by the active layer (2), all the poles of opposite polarity (N) being surrounded by the electrolyte (1).

REFERENCES:
patent: 5928804 (1999-07-01), Leddy et al.
patent: 2002/0012821 (2002-01-01), Leddy et al.
patent: A 61-91876 (1986-05-01), None
patent: A 2001-205078 (2001-07-01), None
patent: A 2002-198057 (2002-07-01), None
Wakayama et al.; “Magnetic Promotion of Oxygen Reduction Reaction with Pt Catalyst in Sulfuric Acid Solutions”; Japanese Journal of Applied Physics, Part 2, No. 3B, vol. 40, pp. 269-271; XP-001154940; Mar. 15, 2001.
Okada et al.; “The Effect of Magnetic Field on the Oxygen Reduction Reaction and its Application in Polymer Electrolyte Fuel Cells”; Electrochimica Acta, vol. 48, No. 5, pp. 531-539; XP-004401305; Jan. 15, 2003.

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