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太陽熱を用いた水の熱分解水素製造技術の開発

Development of hydrogen production technology by thermal water splitting with solar heat

稲垣 嘉之; 坂場 成昭

Inagaki, Yoshiyuki; Sakaba, Nariaki

約650$$^{circ}$$Cの太陽熱を利用して、水の熱分解で水素を製造する膜分離新ISプロセスについて紹介する。ISプロセスを構成する3つの反応に膜技術を適用して、反応温度の低温化、循環物質の低減などを図るため、触媒,分離膜,耐食材料などの要素技術を開発した。太陽熱を用いた研究開発は、内閣府戦略的イノベーション創造プログラム(SIP)「エネルギーキャリア」の委託研究課題「熱利用水素製造」において実施された。

The outline of the membrane IS process to produce hydrogen by thermochemical water splitting using solar heat at around 650$$^{circ}$$C is described. The membrane technology has been applied to the three main reaction of the IS process to lower the reaction temperature and reduce the amount of circulation materials in the process. The key component technologies such as catalysts, membranes and corrosion resistant materials have been developed. The study was supported in part by the Council for Science, Technology and Innovation, Cross-ministerial Strategic Innovation Promotion Program, "Energy Carrier".

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