caa a22 4500 477049362 CHVBK 20180405111338.0 cr unu---uuuuu 170330e19960901xx s 000 0 eng 10.1007/BF00242048 doi (NATIONALLICENCE)springer-10.1007/BF00242048 Investigation of the hydrogen evolution reaction at a 10 wt% palladium-dispersed carbon electrode using electrochemical impedance spectroscopy [Elektronische Daten] [S. Pyun, T. Yang, C. Kim] The hydrogen evolution reaction (h.e.r.) at a 10 wt % palladium-dispersed carbon (Pd/C) electrode in 0.1 m NaOH solution has been investigated with reference to that on carbon (Vulcan XC-72) and palladium foil electrodes by analysing the a.c.-impedance spectra combined with cyclic voltammograms. From the coincidence of the maximum charge transfer resistances and the minimum hydrogen evolution resistances for the h.e.r. at the respective electrode potential for the Pd/C, carbon and Pd foil electrodes, it is suggested that the h.e.r. at the Pd/C electrode takes place along with the absorption and diffusion of hydrogen above −1.10 V vs SCE, whereas the former dominates over the latter below −1.10V vs SCE. In the case of the Pd foil electrode the transition of absorption and diffusion to evolution occurs at −0.96V vs SCE. In contrast to the Pd/C and Pd foil electrodes the h.e.r. occurs strongly at the carbon electrode below −1.20V vs SCE. The hydrogen evolution overpotential on the Pd/C electrode is decreased by 0.10 V in comparison to the carbon electrode due to the larger electrochemical active area of the finely dispersed Pd particles. Chapman & Hall, 1996 Pyun S. Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 373-1 Kusong Dong, 305-701, Yusong-Gu, Daejon, Korea aut Yang T. Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 373-1 Kusong Dong, 305-701, Yusong-Gu, Daejon, Korea aut Kim C. Fuel Cell Research Team, Korea Institute of Energy Research, PO Box 103, 305-343, Yusong-Gu, Daejon, Korea aut Journal of Applied Electrochemistry Kluwer Academic Publishers 26/9(1996-09-01), 953-958 0021-891X 26:9<953 1996 26 10800 https://doi.org/10.1007/BF00242048 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00242048 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Pyun S. Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 373-1 Kusong Dong, 305-701, Yusong-Gu, Daejon, Korea aut NATIONALLICENCE 700 1- Yang T. Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology, 373-1 Kusong Dong, 305-701, Yusong-Gu, Daejon, Korea aut NATIONALLICENCE 700 1- Kim C. Fuel Cell Research Team, Korea Institute of Energy Research, PO Box 103, 305-343, Yusong-Gu, Daejon, Korea aut NATIONALLICENCE 773 0- Journal of Applied Electrochemistry Kluwer Academic Publishers 26/9(1996-09-01), 953-958 0021-891X 26:9<953 1996 26 10800 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer