INVESTIGATION OF ACTIVE CARBON FOR FUEL-CELL ELECTRODES

被引：21

作者：

DRAZIC, DM

ADZIC, RR

机构：

[1] Faculty of Technology, University of Belgrade, Institute of Chemistry, Technology and Metallurgy

来源：

ELECTROCHIMICA ACTA | 1969年 / 14卷 / 05期

关键词：

D O I：

10.1016/0013-4686(69)80016-2

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The influence of grain size, mode of catalyst impregnation, and different surface treatments on the electrochemical activity of active carbon for hydrogen fuel-cell electrodes was studied. The experiments were done in a special powder-electrode assembly without any binding material, in 5 N H2SO4 and 6 N KOH at 40°C. The best results were obtained with 60-100 μm particles, washed with azeotropic HCl, heated at 950°C in CO2 and impregnated with 2 mg Pt per cm2 of the electrode. The polarization curves, after correction for ohmic drop, had slopes less than 1Ω cm2. The effects obtained by the treatment are explained by the change of the state of the carbon surface. © 1969.

引用

页码：405 / &

共 12 条

[1]

CHADWICK G, PRIVATE COMMUNICATIO

[2]

CLARK MB, 1965, ELECTROCHEM TECHNOL, V3, P166

[3]

DESPIC AR, 1966, ELECTROCHEM TECHNOL, V4, P451

[4]

DRAZIC DM, 1966, ELECTROCHEM TECHNOL, V4, P453

[5]