Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Use of Solar Cell and Nanofiltration Membrane for System of Enzymatic $H_2$ Production Through Light-Sensitized Photoanode

광바이오 수소제조 시스템에서의 쏠라셀 및 나노여과 멤브레인 활용

  • 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)
  • 심은정 (충남대학교 화학과) ;
  • 배상현 (연세대학교 환경공학과) ;
  • 윤재경 (한국에너지기술연구원 에너지전환연구부) ;
  • 주현규 (한국에너지기술연구원 에너지전환연구부)
  • Published : 2007.06.15
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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

References

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