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Development and Problems of High-Capacity A2B7-Type Superlattice Hydrogen Storage Alloys
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    Abstract:

    A review was given on the development of the high-capacity RE-Mg-Ni-base A2B7-type superlattice hydrogen storage alloys, which can be divided into three stages: 1997~2004, 2005~2007, 2008~now currently, the maximum discharge capacity and cyclic life of A2B7-type alloys are more than 380 mAh/g and 500 cycles, respectively. During the industrialization process of A2B7-type alloys in China, there will be some problems needed to be solved as fellows: the quantitative determination of PuNi3-type, Ce2Ni7-type, and Pr5Co19-type superlattice structures, the breakthrough of key industrial technology, and the application in encapsulated high-capacity Ni/MH rechargeable battery

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[Zhou Zenglin, Lin Chenguang, Hui Zhilin, Cui Shun, Yu Haijun, Luo Yongchun. Development and Problems of High-Capacity A2B7-Type Superlattice Hydrogen Storage Alloys[J]. Rare Metal Materials and Engineering,2012,41(8):1500~1504.]
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  • Received:August 04,2011
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