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Study of the Behavior of Titanium Alloys as the Cathode for Photovoltaic Hydrogen Production
Author(s) -
Chien-Lung Huang,
Yujia Gao,
Tao-Liang Chuang,
Vincent K. S. Hsiao,
Tair-I Wu
Publication year - 2013
Publication title -
international journal of photoenergy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.426
H-Index - 51
eISSN - 1687-529X
pISSN - 1110-662X
DOI - 10.1155/2013/857491
Subject(s) - thiourea , tungsten trioxide , hydrogen production , hydrogen , materials science , electrochemistry , cathode , titanium , trioxide , photovoltaic system , chemical engineering , anode , inorganic chemistry , metallurgy , chemistry , electrode , sulfur , tungsten , organic chemistry , ecology , biology , engineering
CP-Ti and Ti-153 were adopted in this study to observe their electrochemical behavior in serving as the cathode for photovoltaic hydrogen production. The designed cyclic hydrogenation-solution heat treating processes were performed to increase the hydrogen uptake for both alloys. The results are as follows. (1) Both arsenic trioxide and thiourea showed hydrogenation promotive effect on CP-Ti, while thiourea was an inhibitor for Ti-153 under the applied conditions. (2) Arsenic trioxide showed hydrogenation promotive effect on both Ti-153 and CP-Ti in this study. (3) Ti-153 demonstrated superiority to CP-Ti when serves as the cathode for photovoltaic hydrogen production. The hydrogen mass payload for Ti-153 is 68 times larger than that for CP-Ti

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