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Use of Solar Cell and Nanofiltration Membrane for System of Enzymatic $H_2$ Production Through Light-Sensitized Photoanode  

Shim, Eun-Jung (Dept. of Chemistry, Chungnam National University)
Bae, Sang-Hyun (Dept. of Environ. Engr., Yonsei Univ.)
Yoon, Jae-Kyung (Energy Conv. Research Dept., Korea Institute of Energy Research)
Joo, Hyun-Ku (Energy Conv. Research Dept., Korea Institute of Energy Research)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.18, no.2, 2007 , pp. 151-156 More about this Journal
Abstract
Solar cell and nanofiltration membrane were utilized in a system of enzymatic hydrogen production through light-sensitized photoanode, which resembles photoelectrochemical(PEC) configuration. Solar cell uses no additional light energy to increase energy for electrons to reduce protons and for holes to oxidize water to oxygen, and nanofiltration membrane replaces a salt bridge successfully with increased ion transport capability. With this system configuration, optimized amount of enzyme(10.98 unit), and an anodized tubular $TiO_2$ electrode($5^{\circ}C$/1 hr in 0.5 wt% HF-$650^{\circ}C$/5 hr) hydrogen evolved at a rate of ca. $43\;{\mu}mol/(cm^2{\times}hr)$ in a cathodic compartment and oxygen generated at a rate of ca. $20\;{\mu}mol/(cm^2{\times}hr)$ in an anodic compartment. The stoichiometric evolution of gases indicated that water was splitted in the system.
Keywords
photoanode$H_2$ production; titania plate; solar cell; nanofiltration membrane;
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Times Cited By KSCI : 1  (Citation Analysis)
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