Preparation and Performance of Porous LiFePO4/C Composites for Lithium Ion Batteries

被引：0
|
作者：
Sun, Lingna [1 ]
Deng, Qingwei [1 ]
Tang, Ge [1 ]
Ren, Xiangzhong [1 ]
Zhang, Peixin [1 ]
机构：
[1] Shenzhen Univ, Coll Chem & Environm Engn, Shenzhen 518060, Peoples R China
来源：
ENERGY AND ENVIRONMENT FOCUS | 2016年 / 5卷 / 03期
基金：
中国国家自然科学基金;
关键词：
LiFePO4; Sol-Gel; Porous Structure; Electrochemical Performance;
D O I：
10.1166/eef.2016.1216
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The porous LiFePO4/C composites have been synthesized via sol-gel method by using a source of trivalent iron. And various LiFePO4/C have been prepared by changing the proportion of raw materials, sintering temperature, and sintering time. The structure and morphology of the as-prepared LiFePO4/C composites were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), galvanostatic charge/discharge tests. The experimental results showed that excellent LiFePO4/C composites were synthesized by heated to 700 degrees C as 7 degrees C/min of heating rate and then sintered 10 h. The capacity can be up to 140.4 mAhg(-1) after 50 cycles under 0.1 C.
引用
收藏
页码：169 / 173
页数：5
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