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Economic Evaluation of Domestic Photoelectrochemical Hydrogen Production  

Gim, Bong-Jin (Dankook Univ., Dept. of Industrial Engineering)
Kim, Jong-Wook (Korea Institute of Energy Research, R&D Policy Research Dept.)
Publication Information
Journal of Hydrogen and New Energy / v.21, no.1, 2010 , pp. 64-71 More about this Journal
Abstract
This paper deals with an economic evaluation of domestic immersing type photoelectrochemical hydrogen production. We also make some sensitivity analysis of hydrogen production prices by changing the values of input factors such as the initial capital cost, the solar to hydrogen conversion efficiency, and the system duration time. The hydrogen production price of the immersing type photoelectrochemical system was estimated as 8,264,324 won/$kgH_2$. It is expected that the production cost by photoelectrochemical hydrogen production can be reduced to 26,961 won/$kgH_2$ if the solar to hydrogen conversion efficiency is increased to 14%, the system duration time is increased to 20,000 hours, and the initial capital cost is decreased to 10% of the current level. The photoelectrochemical hydrogen production is evaluated as uneconomical at this time, and we need to enhance the solar to hydrogen conversion efficiency and the system duration time as well as to reduce prices of the system facilities.
Keywords
Photoelectrochemical hydrogen production; Immersing type photelectrochemical cell; Solar to hydrogen conversion efficiency; Economic evaluation; Hydrogen production price;
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