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Citation: WANG Yi-Jing, ZHAO Dong, YUAN Hua-Tang, WANG Gen-Shi, ZHOU Zuo-Xiang, SONG De-Ying, ZHANG Yun-Shi. Encapsulation of Ml(NiCuAlZn)₅ Hydrogen Storage Alloy Powder[J]. Chinese Journal of Applied Chemistry, ;2000, 17(3): 310-312. shu

Encapsulation of Ml(NiCuAlZn)₅ Hydrogen Storage Alloy Powder

1.
Institute of New Energy Material Chemistry, Nankai University, Tianjin 300071

Received Date: 2 November 1999
Available Online: 23 March 2000
Fund Project: 国家"八六三"计划资助项目(863-715-04-04) (863-715-04-04)

The particles of Ml(NiCuAlZn)₅ hydrogen storage alloy (Ml denotes La-rich rare earth mixture) were encapsulated with copper in sulfuric acid solution of CuSO₄. The discharge characteristics of the alloy were improved, especially at high discharge rates. The XRD analysis indicated that the crystal structure of Ml(NiCuAlZn)₅ remained unchanged in encapsulation. The SEM images showed that copper encapsulation effectively improved the corrosion resistance of the alloy.
- hydrogen storage alloy,
- nickel-hydrogen battery,
- encapsulation
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Encapsulation of Ml(NiCuAlZn)₅ Hydrogen Storage Alloy Powder