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기계적 합금화법으로 제조된 Mg2Ni-5mass Nb 복합재료의 수소화 특성평가
석송,조경원,김기배,홍태환,연규붕,김경일,유성웅 한국수소및신에너지학회 2006 한국수소 및 신에너지학회논문집 Vol.17 No.4
Mg and Mg-based alloys are promising hydrogen storage alloys for renewable clean energy applications. It is a lightweight and low cost material with high hydrogen storage capacity. However, commercial applications of the Mg hydride are currently hindered by its high absorption/desorption temperature, and very slow reaction kinetics. In this work, we aim to study the absorption properties of the Mg2Ni-5mass% Nb composite prepared by mechanical alloying under hydrogen. The absorption capacity of the sample is found to be about 3.0 wt.% at T=573 K and P=1.0 MPa. The absorption characteristics observed have been compared with those of the prepared Mg2Ni.