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Abstract:
通过溶胶凝胶法制备了锂锰氧化物LiCuxMn2-xO4-xBrx正极材料,采用XRD、SEM等方法对其进行了表征,并测试了样品的电化学性能.结果表明:合成的LiCuxMn2-xO4-xBr样品为尖晶石结构,粒径均匀.随着掺杂量的增加,晶胞参数减小;一定量的Cu2+和Br-复合改性增加了尖晶石结构的稳定性,改善了材料的循环性能.实验发现当掺杂量为x=0.03时循环性能最好,初始比容量为97.5 mAh/g,50次循环后比容量为82.1 mAh/g.
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化学研究
ISSN: 1008-1011
CN: 41-1083/O6
Year: 2008
Issue: 4
Volume: 19
Page: 81-84
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 10
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