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Cycling Properties of 80wt% AB2-15wt% Mg-5wt% Mm Metal Hydride made by Hydriding Combustion Synthesis

자전연소합성법으로 제조한 80wt% AB2-15wt% Mg-5wt% Mm 금속수소화물의 cycling특성

  • Hur, Tae-Hong (Department of material science & engineering, Dong-A Univ.) ;
  • Han, Jeong-Seb (Department of material science & engineering, Dong-A Univ.)
  • 허태홍 (동아대학교 대학원 신소재공학과) ;
  • 한정섭 (동아대학교 대학원 신소재공학과)
  • Received : 2011.08.22
  • Accepted : 2011.10.21
  • Published : 2011.10.30

Abstract

The effect of cycling on the absorption and desorption characteristics of the 80 wt% $AB_2$-15 wt% Mg-5 wt% Mm system was investigated. The material was made by Hydrogen Combustion Synthesis. The cycling experiment was performed at 298 K, 30 atm for 15 min. During the reaction time, the amount of absorption was fully desorbed. After the full activation, the hydrogen storage capacity was 1.57 wt% and the capacity was maintained until 50 cycles. And the reaction rate does not change with an increase in the number of cycles. This material has good durability and reversible feature.

Acknowledgement

Supported by : 동아대학교

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