Papers by Keyword: Magnesium-Nickel

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Authors: Takao Esaka, Eisuke Nanbu
Abstract: We synthesized ceramic-type Mg2Ni alloys (hydrogen storage alloy) by sintering at high temperature in Ar atmosphere and applied the sintered materials to the anode of the metal hydride batteries. As a result, it was found that the samples were obtained as sintered alloys, mainly composed of hexagonal phase with a little MgO. The discharge capacity of the sintered sample was more than 150 mAhg-1 on the 1st cycle. It decreased to lower than 50 mAhg-1 after a few cycles, but the capacity was maintained over 20 cycles. The cycling capacity retention is due to the packed fusion of the alloy particles by sintering, which denotes a good effect of sintering method to prepare alloy materials.
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