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题名: Effect of Amount of Lithium Element in Reactant on the ElectrochemicalProperties of LiFePO4/C
作者: Xia Jiping ;  邓小川 ;  Zhu Chaoliang
刊名: RARE METAL MATERIALS AND ENGINEERING
出版日期: 2012
卷号: 41, 期号:7, 页码:1263-1266
关键词: LiFePO4 ;  carbothermal reduction ;  amount of lithium element ;  cathode
英文摘要: LiFePO4/C cathode materials were synthesized by carbothermal reduction method, using Fe2O3, LiH2PO4 as starting materials, glueose as carbon source. The effect of the amount of lithium in reactant on the electrochemical properties of LiFePO4/C cathode materials was investigated. The structure, morphology and electrochemical properties of LiFePO4/C were analyzed by XRD, SEM and galvanostatic charge-discharge method and cyclic voltammetry (CV), respectively. The results indicate that when excess additional amount of lithium element is 10% of theoretical value, the sample has optimal electrochemical properties and exhibits a initial discharge capacity of 156.3 and 137.5 mAh/g at 0.2 and 1 C (1 C=170 mA/g) rates, respectively, there is no significant capacity fade after 20 cycles. LiFePO4/C cathode materials were synthesized by carbothermal reduction method, using Fe2O3, LiH2PO4 as starting materials, glueose as carbon source. The effect of the amount of lithium in reactant on the electrochemical properties of LiFePO4/C cathode materials was investigated. The structure, morphology and electrochemical properties of LiFePO4/C were analyzed by XRD, SEM and galvanostatic charge-discharge method and cyclic voltammetry (CV), respectively. The results indicate that when excess additional amount of lithium element is 10% of theoretical value, the sample has optimal electrochemical properties and exhibits a initial discharge capacity of 156.3 and 137.5 mAh/g at 0.2 and 1 C (1 C=170 mA/g) rates, respectively, there is no significant capacity fade after 20 cycles.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2035
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
Xia Jiping,Deng Xiaochuan,Zhu Chaoliang. Effect of Amount of Lithium Element in Reactant on the ElectrochemicalProperties of LiFePO4/C[J]. RARE METAL MATERIALS AND ENGINEERING,2012,41(7):1263-1266.
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