One step synthesis of Fe2O3/nitrogen-doped graphene composite as anode materials for lithium ion batteries

被引：55
作者：
Du, Meng [1 ]
Xu, Chaohe [1 ]
Sun, Jing [1 ]
Gao, Lian [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China
来源：
ELECTROCHIMICA ACTA | 2012年 / 80卷
基金：
中国国家自然科学基金;
关键词：
Iron oxide; Nitrogen-doped graphene; Anode material; Lithium ion batteries; DOPED GRAPHENE; ELECTROCHEMICAL PERFORMANCE; HIGH-CAPACITY; REDUCTION; SHEETS; OXIDE;
D O I：
10.1016/j.electacta.2012.07.029
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Fe2O3/nitrogen-doped graphene composite has been synthesized by one-step hydrothermal strategy. Fe2O3 particles with size about 100-200 nm uniformly loaded on nitrogen-doped graphene. Fe2O3/nitrogen-doped graphene composite shows more excellent cycling performance than those of Fe2O3/pristine graphene composite and pure Fe2O3, delivering the reversible capacity of 1012 mAh g(-1) after 100 cycles. Moreover, it shows more superior rate capability, which attains 800 mAh g(-1) at the current density of 800 mA g(-1). The good electrochemical performance can be ascribed to the small particle size of Fe2O3, the synergistic effect between Fe2O3 particles and nitrogen-doped graphene, and the good electronic conductivity by introducing nitrogen-doped graphene to the composite. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：302 / 307
页数：6
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