A novel nano structured LiFePO4/C composite as cathode for Li-ion batteries

被引：27

作者：

Zhang, Huang ^{[1
]}

Liu, Dong ^{[2
]}

Qian, Xiuzhen ^{[1
]}

Zhao, Chongjun ^{[1
]}

Xu, Yunlong ^{[1
]}

机构：

[1] E China Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai Key Lab Adv Polymer Mat, Key Lab Ultrafine Mat,Minist Educ, Shanghai 200237, Peoples R China

[2] Univ Texas Arlington, Dept Mat Sci & Engn, Arlington, TX 76019 USA

来源：

JOURNAL OF POWER SOURCES | 2014年 / 249卷

关键词：

LiFePO4; Carbon aerogel; Nanowire; Cathode; High rate; HIGH-RATE CAPABILITY; ENERGY-STORAGE; LITHIUM; PERFORMANCE; SHELL;

D O I：

10.1016/j.jpowsour.2013.10.109

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel network LiFePO4/C composite was prepared by mixing precursor solution with carbon aerogel (CA) via a simple solution impregnation method, characterized by XRD, SEM, EDS and electrochemical analysis. The results revealed that the LiFePO4 nanowire forming on the ektexine of CA intertwined with LiFePO4/CA particles and formed a special web structure. The initial discharge capacity was improved to be 139.3 mAh g(-1), at 10 C and the capacity retention is near 100% after 50 cycles. The web structure could improve electron transport and electrochemical activity effectively. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：431 / 434

页数：4

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