Effects of Boron-Incorporation in a V-Containing Zr-Based AB2 Metal Hydride Alloy
AbstractIn this study, boron, a metalloid element commonly used in semiconductor applications, was added in a V-containing Zr-based AB2 metal hydride alloy. In general, as the boron content in the alloy increased, the high-rate dischargeability, surface exchange current, and double-layer capacitance first decreased and then increased whereas charge-transfer resistance and dot product of charge-transfer resistance and double-layer capacitance changed in the opposite direction. Electrochemical and gaseous phase characteristics of two boron-containing alloys, with the same boron content detected by the inductively coupled plasma optical emission spectrometer, showed significant variations in performances due to the difference in phase abundance of a newly formed tetragonal V3B2 phase. This new phase contributes to the increases in electrochemical high-rate dischargeability, surface exchange current, charge-transfer resistances at room, and low temperatures. However, the V3B2 phase does not contribute to the hydrogen storage capacities in either gaseous phase and electrochemical environment. View Full-Text
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Chang, S.; Young, K.-H.; Ouchi, T.; Nei, J.; Wu, X. Effects of Boron-Incorporation in a V-Containing Zr-Based AB2 Metal Hydride Alloy. Batteries 2017, 3, 36.
Chang S, Young K-H, Ouchi T, Nei J, Wu X. Effects of Boron-Incorporation in a V-Containing Zr-Based AB2 Metal Hydride Alloy. Batteries. 2017; 3(4):36.Chicago/Turabian Style
Chang, Shiuan; Young, Kwo-Hsiung; Ouchi, Taihei; Nei, Jean; Wu, Xin. 2017. "Effects of Boron-Incorporation in a V-Containing Zr-Based AB2 Metal Hydride Alloy." Batteries 3, no. 4: 36.
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