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李志英

作品数:1 被引量:1H指数:1
供职机构:中国科学院长春应用化学研究所更多>>
发文基金:国家自然科学基金更多>>
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Ti-Zr-V-Cr-Ni固溶体贮氢合金电极的制备和电化学性能被引量:1
2005年
The microstructure and electrochemical properties of Ti0.17Zr0.08V0.35Cr0.10Ni0.30 alloy were investigated. The alloy was found to be consisted of V-based solid solution phase with bcc structure and C14 Laves phase with hexagonal structure. SEM-FEG results show that C14 Laves phase precipitates between bcc phases. V and Cr essentially exist in bcc phase, Ti and Ni mainly in C14 Laves phase, as proved by EDX data. The electrochemical properties prove that the discharge capacity of Ti0.17Zr0.08V0.35Cr0.10Ni0.30 alloy electrode decreases slightly with increasing temperature, but it keeps high discharge capacity at 343 K. At the same time, the charge-transfer resistance decreases and the high rate dischargeability increases as temperature increases.
柴玉俊赵敏寿李志英张新波印文雅
关键词:贮氢合金电化学性能固溶体合金
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