Absorption and evolution of hydrogen in/from ZrV1.9Fe 0.1 particle bed at hydrogen production temperature

Satoshi Fukada, Naoki Shimoozaki, Shinsuke Morimitsu, Masabumi Nishikawa

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

A bed of ZrV1.9Fe0.1 particles packed between cylindrical-annular tubes was studied as a tool to absorb and evolve hydrogen reversibly at higher temperature, where hydrogen is produced by steam-reforming reaction of methane or thermo-chemical decomposition of water using nuclear heat. The alloy had a sufficient absorption capacity even at 973 K and showed temperature rise in the bed during hydrogen absorption without any external heating. The experimental absorption and evolution rates ranged maximally to 170 and 80cm3 (NTP)/s, respectively. The hydrogen absorption rate was constant until the hydrogen absorption amount approached its saturated value. The ZrV1.9Fe0.1 particle bed evolved hydrogen with a constant rate in proportion to the heating rate. The hydrogen evolution rate was regulated easily by raising or lowering the heating rate. Thus, the alloy bed was found to provide a promising tool to recover and evolve hydrogen at steam-reforming temperature.

本文言語英語
ページ(範囲)861-866
ページ数6
ジャーナルInternational Journal of Hydrogen Energy
30
8
DOI
出版ステータス出版済み - 7 1 2005

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

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