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Effect of Amount of Lithium Element in Reactant on the ElectrochemicalProperties of LiFePO4/C
Xia Jiping; Deng Xiaochuan; Zhu Chaoliang
2012
发表期刊RARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
卷号41期号:7页码:1263-1266
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.
关键词Lifepo4 Carbothermal Reduction Amount Of Lithium Element Cathode
收录类别SCI
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/2035
专题青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
推荐引用方式
GB/T 7714
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.
APA Xia Jiping,Deng Xiaochuan,&Zhu Chaoliang.(2012).Effect of Amount of Lithium Element in Reactant on the ElectrochemicalProperties of LiFePO4/C.RARE METAL MATERIALS AND ENGINEERING,41(7),1263-1266.
MLA Xia Jiping,et al."Effect of Amount of Lithium Element in Reactant on the ElectrochemicalProperties of LiFePO4/C".RARE METAL MATERIALS AND ENGINEERING 41.7(2012):1263-1266.
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