Self-assembled Co3O4 nanostructure with controllable morphology towards high performance anode for lithium ion batteries

被引：34

作者：

Zhang, Yiqiong ^{[1
,3
]}

Wu, Yiwen ^{[2
]}

Chu, Yinghong ^{[2
]}

Li, Lin ^{[2
]}

Yu, Qipeng ^{[2
]}

Zhu, Yanfei ^{[1
,3
]}

Liu, Gang ^{[2
,3
]}

Hou, Qiong ^{[2
,4
]}

Zeng, Ronghua ^{[2
,3
]}

Zhao, Lingzhi ^{[1
,3
]}

机构：

[1] S China Normal Univ, Inst Optoelect Mat & Technol, Guangdong Prov Key Lab Nanophoton Funct Mat & Dev, Guangzhou 510631, Guangdong, Peoples R China

[2] S China Normal Univ, Guangzhou Key Lab Analyt Chem Biomed, Sch Chem & Environm, Guangzhou 510006, Guangdong, Peoples R China

[3] Guangdong Engn Technol Res Ctr Low Carbon & Adv E, Guangzhou 510631, Guangdong, Peoples R China

[4] S China Univ Technol, State Key Lab Luminescent Mat & Devices, Guangzhou 510641, Guangdong, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2016年 / 188卷

基金：

中国国家自然科学基金;

关键词：

Nickel foam; Co3O4; nanowires; nanoflakes; Lithium ion batteries; RATE CAPABILITY; ELECTROCHEMICAL PERFORMANCE; HYDROTHERMAL SYNTHESIS; NANOWIRE ARRAYS; HIGH-CAPACITY; NICKEL FOAM; NANOSHEETS; STORAGE; COBALT; COMPOSITES;

D O I：

10.1016/j.electacta.2015.12.055

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The synthesis of Co3O4 nanostructures with controllable morphology through hydrothermal reaction was investigated. Through adjusting the reaction temperature, mesoporous nanowires (Co3O4-NWs) and mesoporous nanoflakes (Co3O4-NFs) can be directly grown on nickel foam at a reaction of temperature of 90 degrees C and 120 degrees C, respectively. Compared with Co3O4-NWs, Co3O4-NFs displays greatly improved performance of cyclic stability and rate capability. After 100 cycles, an outstanding reversible capacity of 1300 mAh g(-1) with negligible capacity fading is achieved at current density of 100 mA g(-1) for Co3O4-NFs. Furthermore, Co3O4-NFs exhibit excellent rate capability, with a reversible capacity up to 450 mAh g(-1) even at a current density as high as 8 A g(-1). Due to the directly growing aligned Co3O4 nanoflakes on conductive 3D nickel foam, the Co3O4-NFs electrode shows superior electrochemical performance, with potential as a promising anode candidate for lithium ion batteries. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：909 / 916

页数：8

共 42 条

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