Solar/Chemical Energy Transformation System with Metal Oxides

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The purpose of this research project is to propel the international research project for the solar thermochemical process to convert solar energy to chemical energy using metal oxides and reactive ceramics for high temperature solar chemical reactions. In the foreign countries, research for development of solar thermochemical technologies to be applied to use much solar energy at the sunbelt of the world. Our county, Japan, should immediately start the research to use the solar energy at the sunbelt, otherwise, we will be behind alone the use of the solar energy, which will be supplied from the sunbelt in the 21st century. Japanese research activity in this field should be promoted' through the international research project, and Japan should recognize the importance of the research field of the solar thermochemical process from the point of view of the solar energy at sunbelt. This research project was carried out with collaboration between Japan (TIT ; Tokyo Institute of Technology) … More and Switzerland (PSI ; Paul Scherrer Institute). PSI is the operating agent of Task II in IEA (International Energy Association) SoIarPACES Program, and is propelling the solar chemistry research in the Task II program. In the present international project, we have studied the H_2 production by the 2-step water splitting process with metal oxides and ferrites for solar thermochemical process, and we (TIT) found out the new H2 production process using two phases of solid materials. It is highly expected that these results can be further developed for practical application of the solar thermochemical process. And we had a discussion on the international collaboration to develop the global solar energy delivery system using solar fuels produced by the solar thermochemical process, which could make a technical solution for the global warming problem. A practical process to develop the solar/chemical energy conversion system to produce solar hybrid fuel from fossil fuel and solar energy was discussed to design the construction of the solar fuel production base in Australia.These results, on checking the purpose of the present research project, showed that we have achieved thepurpose of the present work. Less