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Porous carbon for fuel cell electrodes

✍ Scribed by M.W. Reed; R.J. Brodd

Publisher
Elsevier Science
Year
1965
Tongue
English
Weight
876 KB
Volume
3
Category
Article
ISSN
0008-6223

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✦ Synopsis

Carbon has desirable properties which recommend its utilization as a fuel cell electrode material. Good electrical conductivity and chemical resistance to attack by both acid and alkaline electrolytes coupled with a low inherent cost make carbon attractive as a porous substrate for a diffusion-type fuel cell electrode. Data are presented on porosity, pore size distribution, BET surface area and other physical properties of the porous carbon used as substrates for oxygen and air electrodes. The physical properties of the porous carbon are not independent variables, but rather are interrelated so that optimization of a given property may lead to undesired changes in other properties. Electrochemical oerformance data including life tests are niven showing ambient temperature operation of oxygen I electrodes in both acid and alkaline electrolytes.

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