Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Patent
1987-10-16
1989-02-14
Walton, Donald L.
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
429 42, 204283, H01M 810, H01M 486
Patent
active
048045926
ABSTRACT:
A porous composite electrode for use in electrochemical cells. The electrode has a first face and a second face defining a relatively thin section therebetween. The electrode is comprised of an ion conducting material, an electron conducting material, and an electrocatalyst. The volume concentration of the ion conducting material is greatest at the first face and is decreased across the section, while the volume concentration of the electron conducting material is greatest at the second face and decreases across the section of the electrode. Substantially all of the electrocatalyst is positioned within the electrode section in a relatively narrow zone where the rate of electron transport of the electrode is approximately equal to the rate of ion transport of the electrode.
REFERENCES:
patent: 3423247 (1969-01-01), Darland et al.
patent: 4602426 (1986-07-01), Kampe et al.
Huff James R.
Leddy Johna
Vanderborgh Nicholas E.
Ebel Jack E.
Hightower Judson R.
The United States of America as represented by the United States
Walton Donald L.
Wilson Ray G.
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