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Electrode properties of Mg2Ni alloy ball-milled with cobalt powder

Journal Article


Abstract


  • Mg2Ni alloy prepared by induction was ball-milled with 3 wt% metallic cobalt powder. The effect of the ball-milling on the alloy structure and surface image was examined by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The mixed alloy powders before and after ball-milling were pressed on to a porous nickel foam as the active material of a metal hydride electrode. Electrochemical characteristics of the two kinds of electrodes were investigated at 25��. The discharge capacity, cycle life and high-rate discharge ability showed that the electrode properties were improved greatly by the ball-milling of Mg2Ni and Co powder because of the changed structure and surface of the alloy. �� 1998 Elsevier Science Ltd. All rights reserved.

Publication Date


  • 1998

Citation


  • Chen, J., Bradhurst, D. H., Dou, S. X., & Liu, H. K. (1998). Electrode properties of Mg2Ni alloy ball-milled with cobalt powder. Electrochimica Acta, 44(2-3), 353-355. doi:10.1016/S0013-4686(98)00167-4

Scopus Eid


  • 2-s2.0-0032315849

Start Page


  • 353

End Page


  • 355

Volume


  • 44

Issue


  • 2-3

Place Of Publication


Abstract


  • Mg2Ni alloy prepared by induction was ball-milled with 3 wt% metallic cobalt powder. The effect of the ball-milling on the alloy structure and surface image was examined by X-ray diffraction (XRD) and scanning electron microscopy (SEM). The mixed alloy powders before and after ball-milling were pressed on to a porous nickel foam as the active material of a metal hydride electrode. Electrochemical characteristics of the two kinds of electrodes were investigated at 25��. The discharge capacity, cycle life and high-rate discharge ability showed that the electrode properties were improved greatly by the ball-milling of Mg2Ni and Co powder because of the changed structure and surface of the alloy. �� 1998 Elsevier Science Ltd. All rights reserved.

Publication Date


  • 1998

Citation


  • Chen, J., Bradhurst, D. H., Dou, S. X., & Liu, H. K. (1998). Electrode properties of Mg2Ni alloy ball-milled with cobalt powder. Electrochimica Acta, 44(2-3), 353-355. doi:10.1016/S0013-4686(98)00167-4

Scopus Eid


  • 2-s2.0-0032315849

Start Page


  • 353

End Page


  • 355

Volume


  • 44

Issue


  • 2-3

Place Of Publication