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Development of a new thermo-chemical and electrolytic hybrid hydrogen production process for sodium cooled FBR; Status and future plan

ナトリウム冷却高速炉用の新熱電併用水素製造プロセスの開発; 現状と将来計画

中桐 俊男  ; 高井 俊秀  ; 浅山 泰 ; 稲垣 嘉之

Nakagiri, Toshio; Takai, Toshihide; Asayama, Tai; Inagaki, Yoshiyuki

高速増殖炉で発生する熱と電気を利用して水から水素を製造するプロセスの開発が原子力機構で行われている。1リットル/時間規模の水素製造装置が開発され、水素製造効率を評価するための実験が2006年12月に実施されて、0.5リットル/時間が約1時間にわたって継続することが確認された。

The thermo-chemical and electrolytic Hybrid Hydrogen production process in Lower Temperature range (HHLT) is under development by Japan Atomic Energy Agency (JAEA) to realize the hydrogen production from water by using the heat (500-600$$^{circ}$$C) and electric power generation of sodium cooled fast breeder reactor (FBR). A new experimental apparatus by HHLT for 1 NL/h level hydrogen production was developed. The apparatus has a SO$$^{3}$$ electrolysis cell which employ seven Ytrria Stabilized Zirconia (YSZ) tubes with platinum plated electrode, and a flow type electrolysis cell with Membrane Electrode Assembly (MEA) for hydrogen generation and sulfuric acid synthesis. Hydrogen production experiment to evaluate hydrogen production efficiency was performed in December 2006, and 0.5 NL/h hydrogen production for 1hour was confirmed.

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