Fabrication of three-dimensional hollow C@CoO@graphene composite anode for long-life Li-ion batteries

被引：35

作者：

Zhang, Wenhui ^{[1
]}

Mao, Sijia ^{[1
]}

Xu, Jie ^{[1
]}

Xu, Qi ^{[1
]}

Zhang, Minghui ^{[1
]}

Zhou, Jiamin ^{[1
]}

Song, Lei ^{[1
]}

Guan, Rongfeng ^{[1
]}

Yue, Lu ^{[1
]}

机构：

[1] Yancheng Inst Technol, Key Lab Adv Technol Environm Protect Jiangsu Prov, Yancheng 224051, Jiangsu, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2018年 / 291卷

基金：

中国国家自然科学基金;

关键词：

Porous CoO; Graphene; Three-dimensional nanocomposites; Energy storage and conversion; Li-ion batteries; ENHANCED LITHIUM STORAGE; HIGH-PERFORMANCE ANODE; BINDER-FREE; HIGH-CAPACITY; ELECTROCHEMICAL PERFORMANCES; REVERSIBLE CAPACITY; OXYGEN EVOLUTION; MELAMINE FOAM; HIGH-ENERGY; LOW-COST;

D O I：

10.1016/j.electacta.2018.08.122

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Three-dimensional C@CoO@graphene composite with hollow carbon core and graphene outer layer is fabricated. Benefiting from the coverage of graphene oxide structure, the porous CoO layer can be stabilized and formed between carbon layer and graphene structure. The special nanocomposite exhibits high reversible capacity, good rate capability at high current densities and long-life performance, and retains a high capacity of 861 mAh g(-1) at 500 mA g(-1) over 700 cycles, making it a promising anode material for Li-ion batteries (LIBs). (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：206 / 215

页数：10

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