Status of research and development on photoelectrochemical hydrogen production in Korea

Jong Won Kim; Jae Sung Lee; Jin-Ook Baeg

doi:10.1117/12.860991

24 August 2010 Status of research and development on photoelectrochemical hydrogen production in Korea

Jong Won Kim, Jae Sung Lee, Jin-Ook Baeg

Proceedings Volume 7770, Solar Hydrogen and Nanotechnology V; 777014 (2010) https://doi.org/10.1117/12.860991
Event: SPIE Solar Energy + Technology, 2010, San Diego, California, United States

Abstract

Conversion of solar energy into hydrogen is one of the most promising renewable energy technologies. Photocatalytic production of hydrogen from water, H2S and organic wastes using semiconductors is one of the potential strategies for converting the sunlight energy into chemical energy. Korea government paid great attention to the hydrogen economy and launched the HERC (Hydrogen Energy R&D Center) for supporting the R&D topics on hydrogen related technologies. The key issue for realizing the commercial application of solar water splitting hydrogen production technique is to find an efficient, stable and low-cost photocatalyst. Our research groups have continuously investigated to find oxide and composite photocatalysts for photoelectrochemical cell with high efficiency using computational design and synthesis method. But, fundamental research on semiconductor doping for band gap shifting and surface chemistry modification is still required. Various reaction media containing sacrificial agents should be developed to match with high activity photocatalysts to further improve the system efficiency. Water containing organic/inorganic waste and sea water are particularly suggested in the consideration that all these water sources are the most available water on the earth to the final commercial application of photocatalytic water splitting technique.

Citation Download Citation

Jong Won Kim, Jae Sung Lee, and Jin-Ook Baeg "Status of research and development on photoelectrochemical hydrogen production in Korea", Proc. SPIE 7770, Solar Hydrogen and Nanotechnology V, 777014 (24 August 2010); https://doi.org/10.1117/12.860991

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