High Discharge Rate Lithium Ion Batteries with the Composite Cathode of LiFePO4/Mesocarbon Nanobead

被引：0

作者：

Gu, Yi-Jie ^{[1
]}

Zeng, Cui-Song ^{[1
]}

Chen, Yun-Bo ^{[2
]}

Wu, Hui-Kang ^{[1
]}

Liu, Hong-Quan ^{[1
]}

Chen, Lin ^{[2
]}

Wang, Meng ^{[2
]}

Zuo, Lin-Li ^{[2
]}

Huang, Xiao-Wen ^{[1
]}

Liu, Xiu-Bo ^{[3
]}

Zhang, Jun ^{[1
]}

Lu, Cheng ^{[1
,4
]}

Hu, Yong ^{[1
]}

Guo, Zhen ^{[1
]}

Hu, Zu-Wang ^{[1
]}

机构：

[1] Shandong Univ Sci & Technol, Coll Mat Sci & Engn, Qingdao 266510, Peoples R China

[2] Chinese Acad Sci, Inst Mech, Lab Laser Intelligent Mfg, Beijing 100080, Peoples R China

[3] Soochow Univ, Sch Mech & Elect Engn, Suzhou 215021, Peoples R China

[4] Jiangsu Green Tech Energy Co LTD, Zhenjiang 212009, Peoples R China

来源：

TESTING AND EVALUATION OF INORGANIC MATERIALS I | 2011年 / 177卷

关键词：

LiFePO4; mesocarbon nanobead; 18650 cell type;

D O I：

10.4028/www.scientific.net/AMR.177.208

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Olivine compounds LiFePO4 were prepared by the solid state reaction, and the electrochemical properties were studied with the composite cathode of LiFePO4/mesocarbon nanobead. High discharge rate performance can be achieved with the designed composite cathode of LiFePO4/mesocarbon nanobead. According to the experiment results, batteries with the composite cathode deliver discharge capacity of 1087mAh for 18650 type cell at 20C discharge rate at room temperature. The analysis shows that the uniformity of mesocarbon nanobead around LiFePO4 can supply enough change for electron transporting, which can enhance the rate capability for LiFePO4 cathode lithium ion batteries. It is confirmed that lithium ion batteries with LiFePO4 as cathode are suitable to electric vehicle application.

引用

页码：208 / +

页数：2

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