期刊
JOURNAL OF APPLIED ELECTROCHEMISTRY
卷 40, 期 11, 页码 1933-1939出版社
SPRINGER
DOI: 10.1007/s10800-010-0169-8
关键词
Carbon blacks; Electrochemical corrosion; Nafion (R) ionomer; Vulcan XC-72; Acetylene black; Thermal black
资金
- Russian Foundation for Basic Research (RFBR) [06-03-32737]
- Russian Federal Agency for Science and Innovations [02.740.11.5084]
- ANR (France) [ANR-06-CEXC-004]
Corrosion of the three carbon black materials which differ in their textural, sub-structural, and morphological characteristics is studied in H2SO4 electrolyte at 80 A degrees C at positive polarization. Impregnation of carbon blacks with Nafion(A (R)) ionomer is found to strongly affect their susceptibility to corrosion, which varies non-monotonically as a function of the Nafion(A (R)) loading. Low temperature nitrogen adsorption is applied to study the distribution of the ionomer molecules in the carbon matrix.
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