期刊
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
卷 576, 期 1, 页码 57-63出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2004.10.007
关键词
hydrogen oxidation reaction; hydrogen evolution reaction; graph theory; electrical networks
The reaction route (RR) graph approach recently developed by us for complex, non-linear kinetic mechanisms is applied to the hydrogen oxidation and evolution reactions. A corresponding RR graph is constructed and translated into an equivalent electrical circuit network by associating each elementary step with a characteristic resistance for the steady-state case and considering the overall reaction as a power source. It is further shown that the steady-state kinetics of the reaction can be investigated employing the conventional methods of the electrical network theory. Using a set of rate constants for the hydrogen evolution reaction (her) in alkaline solutions from the literature, the dominant RRs are identified and simplified mechanisms and kinetics derived. (C) 2004 Elsevier B.V. All rights reserved.
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