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Abstract:
采用高温熔炼方法后机械球磨和机械合金化方法分别制备了CoFe3Sb12和FeSb2合金粉末,并对其电化学嵌锂性能进行了研究.研究发现,FeSb2的首次可逆容量为394 mAh·g-1,比CoFe3Sb12的首次可逆容量(485 mAh·g-1)低.但是FeSb2容量衰减的速度要远远小于CoFe3Sb12.FeSb2的容量保持率在第10个循环时仍保持在70%以上,而 CoFe3Sb12却只有50%左右.通过二者嵌锂性能对比研究表明,减少嵌锂活性中心能有效地缓解合金类负极材料在循环中的容量衰减现象.
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稀有金属材料与工程
ISSN: 1002-185X
Year: 2005
Issue: 9
Volume: 34
Page: 1399-1402
0 . 7 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
JCR Journal Grade:2
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 5
Chinese Cited Count:
30 Days PV: 4
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