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Author:

杨丽娟 (杨丽娟.) | 金头男 (金头男.) | 李于华 (李于华.)

Indexed by:

CQVIP CSCD

Abstract:

用柠檬酸作为螯和物的载体,采用溶胶-凝胶法合成了Al3+掺杂的锂离子电池正极材料LiAlxMn2-xO4.XRD,SEM研究表明,于800℃煅烧可获得单一尖晶石结构的物相;随着Al3+掺入量的增加,LiAlxMn2-xO4的晶格常数变小,晶格更趋于完整,有利于抑制因锂的反复脱嵌而造成的结构破坏.x=0.05时,首次放电容量为103.8 mAh·g-1,25次循环后放电容量还有100.6 mAh·g-1,容量衰减仅为3.08%.

Keyword:

掺杂 溶胶-凝胶法 LiMn2O4 尖晶石

Author Community:

  • [ 1 ] [杨丽娟]北京工业大学
  • [ 2 ] [金头男]北京工业大学
  • [ 3 ] [李于华]北京工业大学

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Source :

合成化学

ISSN: 1005-1511

Year: 2006

Issue: 6

Volume: 14

Page: 564-567

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 3

Chinese Cited Count:

30 Days PV: 3

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