TY - JOUR
T1 - Absorption and evolution of hydrogen in/from ZrV1.9Fe 0.1 particle bed at hydrogen production temperature
AU - Fukada, Satoshi
AU - Shimoozaki, Naoki
AU - Morimitsu, Shinsuke
AU - Nishikawa, Masabumi
PY - 2005/7/1
Y1 - 2005/7/1
N2 - 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.
AB - 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.
UR - http://www.scopus.com/inward/record.url?scp=17744372256&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=17744372256&partnerID=8YFLogxK
U2 - 10.1016/j.ijhydene.2004.10.005
DO - 10.1016/j.ijhydene.2004.10.005
M3 - Article
AN - SCOPUS:17744372256
VL - 30
SP - 861
EP - 866
JO - International Journal of Hydrogen Energy
JF - International Journal of Hydrogen Energy
SN - 0360-3199
IS - 8
ER -