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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Electrolytic Hydrogen Production Using Solution Processed CIGS thin Film Solar Cells

용액 공정 CIGS 박막 태양 전지를 이용한 물 분해 수소 생산

  • Jeon, Hyo Sang (Clean Energy Research Center, Korea Institute of Science and Technology) ;
  • Park, Se Jin (Clean Energy Research Center, Korea Institute of Science and Technology) ;
  • Min, Byoung Koun (Clean Energy Research Center, Korea Institute of Science and Technology)
  • 전효상 (한국과학기술연구원, 청정에너지 연구센터) ;
  • 박세진 (한국과학기술연구원, 청정에너지 연구센터) ;
  • 민병권 (한국과학기술연구원, 청정에너지 연구센터)
  • Received : 2013.06.24
  • Accepted : 2013.08.31
  • Published : 2013.08.31
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Abstract

Hydrogen production from water using solar energy is attractive way to obtain clean energy resource. Among the various solar-to-hydrogen production techniques, a combination of a photovoltaic and an electrolytic cell is one of the most promising techniques in term of stability and efficiency. In this study, we show successful fabrication of precursor solution processed CIGS thin film solar cells which can generate high voltage. In addition, CIGS thin film solar cell modules producing over 2V of open circuit voltage were fabricated by connecting three single cells in series, which are applicable to water electrolysis. The operating current and voltage during water electrolysis was measured to be 4.23mA and 1.59V, respectively, and solar to hydrogen efficiency was estimated to be 3.9%.

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References

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