Ti‐Cr‐ and Ti‐Mn‐based alloys were prepared to be low‐ and high‐pressure stage metals for a double‐stage super‐high‐pressure metal hydride hydrogen compressor. Their crystallographic characteristics and hydrogen storage properties were investigated. The alloy pair Ti 0.9 Zr 0.1 Mn 1.4 ‐Cr 0.35 V 0.2 Fe 0.05 /TiCr 1.55 Mn 0.2 Fe 0.2 was optimized based on the comprehensive performance of the studied alloys. The product hydrogen with a pressure of 100 MPa could be produced from 4 MPa feed gas when hot oil was used as a heat reservoir.
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Guo et al. (2011) studied this question.