Accession Number:

AD0743189

Title:

Low Cost Oxygen Electrodes.

Descriptive Note:

Interim rept. no. 1, 11 May 71-14 Jan 72,

Corporate Author:

UNION CARBIDE CORP CLEVELAND OHIO CONSUMER PRODUCTS DIV

Personal Author(s):

• Kordesch,K. V.
• Scarr,R. F.

Report Date:

1972-04-01

Pagination or Media Count:

76.0

Abstract:

The purpose of the research was the development of a low cost air electrode for medium temperature 130C immobilized phosphoric acid matrix fuel cell. Thin carbon electrode structures were fabricated and catalyzed with the minimum amount of platinum which produced a H2-air cell performance of 0.6-volt cell terminal voltage at 80 mAsq cm, after 500 hours operation. By using special techniques of electrode manufacturing and catalyst application, a reduction of the Pt amount to a level of 1 to 2 mg Ptsq cm was accomplished. A level of electrode performance near to the contract goals has been achieved. Other aspects of this investigation, such as analytical techniques and kinetic studies, are also discussed. Author

Descriptors:

• (*FUEL CELLS
• *ELECTRODES)
• AIR
• OXYGEN
• CARBON
• PLASTIC COATINGS
• HALOCARBON PLASTICS
• PLATINUM
• OXIDES
• ZIRCONIUM OXIDES
• PHOSPHORIC ACIDS
• PERMEABILITY

Subject Categories:

• Electric Power Production and Distribution

Distribution Statement:

APPROVED FOR PUBLIC RELEASE