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Taiwen Huang, Jiachen Zhang, Jun Zhang and Lin Liu
Alloy design of Cr-Co-Ni-Ta eutectic medium entropy alloys (EMEAs) was performed through a CALPHAD method coupled with experimental study, with the aim to attain high phase stability as well as excellent mechanical properties. Based on calculated pseudo-...
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Kwo-Hsiung Young, Shiuan Chang and Xinting Lin
C14 Laves phase alloys play a significant role in improving the performance of nickel/metal hydride batteries, which currently dominate the 1.2 V consumer-type rechargeable battery market and those for hybrid electric vehicles. In the current study, the ...
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Kwo-Hsiung Young, Taihei Ouchi, Jean Nei and Shiuan Chang
A combination of analytic tools and electrochemical testing was employed to study the contributions of Palladium (Pd) in a Zr-based AB2 metal hydride alloy (Ti12Zr22.8V10 Cr7.5Mn8.1Co...
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Kwo-Hsiung Young, Jean Nei, Chubin Wan, Roman V. Denys and Volodymyr A. Yartys
Herein, we present a comparison of the electrochemical hydrogen-storage characteristics of two state-of-art Laves phase-based metal hydride alloys (Zr21.5Ti12.0V10.0Cr7.5Mn8.1Co8.0Ni3...
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Shiuan Chang, Kwo-Hsiung Young, Taihei Ouchi, Jean Nei and Xin Wu
In 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, surfa...
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Kwo-Hsiung Young, John M. Koch, Chubin Wan, Roman V. Denys and Volodymyr A. Yartys
The performance of cylindrical cells made from negative electrode active materials of two selected AB2 metal hydride chemistries with different dominating Laves phases (C14 vs. C15) were compared. Cells made from Alloy C15 showed a higher high...
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Tiejun Meng, Kwo-Hsiung Young, Jean Nei, John M. Koch and Shigekazu Yasuoka
In this work, we investigated the effects of heat treatment on the microstructure, hydrogen storage characteristics and corrosion rate of a Ti34V40Cr24Fe2 alloy. The arc melted alloy was divided into three samp...
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