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Study on Introduction of CO2 Free Energy to Japan with Liquid Hydrogen


In Japan, both CO2 (Carbon dioxide) emission reduction and energy security are the very important social issues after Fukushima Daiichi accident. On the other hand, FCV (Fuel Cell Vehicle) using hydrogen will be on the market in 2015. Introducing large mass hydrogen energy is being expected as expanding hydrogen applications, or solution to energy issues of Japan. And then, the Japanese government announced the road map for introducing hydrogen energy supply chain in this June,2014. Under these circumstances, imported CO2 free hydrogen will be one of the solutions for energy security and CO2 reduction, if the hydrogen price is affordable. To achieve this, Kawasaki Heavy Industries, Ltd. (KHI) performed a feasibility study on CO2-free hydrogen energy supply chain from Australian brown coal linked with CCS (Carbon dioxide Capture and Storage) to Japan. In the study, hydrogen production systems utilizing brown coal gasification and LH2 (liquid hydrogen) systems as storing and transporting hydrogen are examined. This paper shows the possibility of realizing the CO2 free hydrogen supply chain, the cost breakdown of imported hydrogen cost, its cost competitiveness with conventional fossil, and LH2 systems as key technologies of the hydrogen energy chain.

Related subjects: Policy & Socio-Economics
Countries: Japan

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