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Mg~(2+)掺杂LiFePO_4/C的结构及电化学性能

胡林 李征 曾照强

电池2009,Vol.39Issue(5):240-242,3.
电池2009,Vol.39Issue(5):240-242,3.

Mg~(2+)掺杂LiFePO_4/C的结构及电化学性能

Structure and electrochemical performance of Mg~(2+)doped LiFePO_4/C

胡林 1李征 1曾照强1

作者信息

  • 1. 清华大学材料科学与工程系,新型陶瓷与精细工艺国家重点实验室,北京,100084
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摘要

Abstract

LiFePO_4/C,LiFe_(0.95) Mg_(0.05)PO_4/C and LiFe_(0.9)Mg_(0.1)PO_4/C were synthesized via solid-state method. The discharge specific capacity and cycle performance were improved by doping Mg~(2+) . The 0.2 C initial specific discharge capacity of LiFe_(0.95) Mg_(0.05)PO_4 was 155 mAh/g. The discharge capacity of LiFe_(0.9)Mg_(0.1)PO_4/C almost had no fading after 20 cycles at 10.0 C.

关键词

正极材料/LiFePO_4/高倍率性能/掺杂

Key words

cathode material/LiFePO_4/high rate performance/doping

分类

信息技术与安全科学

引用本文复制引用

胡林,李征,曾照强..Mg~(2+)掺杂LiFePO_4/C的结构及电化学性能[J].电池,2009,39(5):240-242,3.

电池

OA北大核心CSCDCSTPCD

1001-1579

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