Formation of hydrogen absorption film by electrodeposition in molten salts

被引：0
|
作者：
Yamamoto, H [1 ]
Sakamoto, T [1 ]
Kuroda, K [1 ]
Ichino, R [1 ]
Okido, M [1 ]
机构：
[1] Nagoya Univ, Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源：
SECOND INTERNATIONAL CONFERENCE ON PROCESSING MATERIALS FOR PROPERTIES | 2000年
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D O I：
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中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Hydrogen absorption alloy films have been produced by molten salt electrolysis. Lanthanum-Nickel alloy film can be formed on a nickel substrate in KCl-NaCl-LaCl3 molten salts by electrolysis-diffusion process. LaNi5 alloy was formed by mutual diffusion between La and Ni after La deposition on Ni substrate. Though several kinds of La-Ni compound existed in deposits, the alloy compounds on Ni substrate changed by electrolysis condition. According to the open-circuit potential measurement in molten salts after La electrodeposition, the formed compounds had a relation to the potential. In the case of the substrate electroplated a cobalt thin film on nickel, LaNi4.5Co0.5 was formed by the electrolysis in the molten salts with lanthanum ions. This ternary alloy film showed better hydrogen absorption behavior in cyclic charge/discharge test in alkaline solution.
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页码：793 / 798
页数：6
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