Abstract
In order to investigate the possibility of a microbattery using an Mg2Ni type alloy, we have studied the electrochemical properties of the Mg1−xNix (x=0.33, 0.15, 0.10) thin film electrode. The thin films were prepared by DC magnetron co-sputtering using Mg and Ni targets and had an amorphous structure. The discharge capacities of the Mg1−xNix (x=0.33, 0.15, 0.10) films increased as the Mg content increased, that of the Mg0.9Ni0.1 electrode increased with repeated charge-discharge cycles reached the maximum value, 228 mAh/g, after 10 cycles. The surface morphology of the film was changed to a needle-type porous structure by cycling.
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This article is based on a presentation made in “The 2nd KIM-JIM Joint Symposium: Hydrogen Absorbing Materials”, held at Hanyang University, Seoul, Korea, October 27–28, 2000 under the auspices of The Korean Institute of Metals and Materials and The Japan Institute of Metals.
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Lee, SS., Kim, KW., Hur, BY. et al. A study on the electrochemical properties of an Mg−Ni based thin film electrode for a microbattery. Met. Mater. Int. 7, 265–268 (2001). https://doi.org/10.1007/BF03026985
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DOI: https://doi.org/10.1007/BF03026985