氢气储存
解吸
铌
氢
材料科学
耐久性
合金
冶金
无机化学
化学
吸附
复合材料
有机化学
作者
Shin‐ichi Towata,Tatsuo Noritake,Akio Itoh,Masakazu Aoki,Kenji Miwa
标识
DOI:10.1016/j.ijhydene.2012.12.100
摘要
The effect of partial niobium and iron substitution on the short-term (up to 10 cycles) cycle durability of hydrogen absorption and desorption was evaluated for Ti–Cr–V alloys. Partial iron substitution improved the durability of Ti16Cr34V50 alloy, but reduced its hydrogen storage capacity. In contrast, partial niobium substitution improves its durability while not affecting its hydrogen storage capacity. Similar experimental results were obtained for Ti25Cr50V25 alloy. The effective hydrogen storage capacity decreased to 84.9 and 94.2% of its initial value after 10 cycles of hydrogen absorption and desorption for Ti25Cr50V25 and Ti25Cr45V25Nb5 alloys, respectively. This reduction in the effective hydrogen storage capacity of Ti25Cr50V25 alloy during hydrogen absorption and desorption is attributed to reduced hydrogen storage capacity during absorption and a greater residual hydrogen during desorption.
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