null检测 | MgNi型储氢合金的机械合金化的电化学研究-华中科技大学(中国)-培安有限公司

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The electrochemical properties of amorphous MgNi-based hydrogen storage alloys synthesized by mechanical alloying MA were evaluated. The results show that these amorphous Mg Ni alloys exhibit a higher discharge capacity and relatively good rate capacity at 50 50 a suitable grinding time while their cycle life is very poor. In order to improve the cycle life, the surface of the amorphous Mg Ni 50 50 alloy was coated with Ti, Al and Zr in Spex 8000 millrmixer and the coating effects were further investigated. Based on experimental results, two kinds of MgNi-based amorphous alloys are designed by substituting part of Mg in MgNi-based alloys by suitable elements. These alloys are then composed of four components. Thus, the cycle life of electrodes consisting of these quaternary amorphous alloys is greatly improved. q2000 Elsevier Science S.A. All rights reserved.

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培安有限公司

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