Order-aligned Mn3O4 nanostructures as super high-rate electrodes for rechargeable lithium-ion batteries

被引：80

作者：

Wang, Jiazheng ^{[1
]}

Du, Ning ^{[1
]}

Wu, Hao ^{[1
]}

Zhang, Hui ^{[1
]}

Yu, Jingxue ^{[1
]}

Yang, Deren ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, State Key Lab Silicon Mat, Hangzhou 310027, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2013年 / 222卷

关键词：

Manganous manganic oxide; Nanostructures; High rate; Electrodes; Lithium ion batteries; CAPACITY ANODE MATERIAL; SHELL NANOWIRE ARRAYS; 3-DIMENSIONAL ELECTRODES;

D O I：

10.1016/j.jpowsour.2012.08.056

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：

We demonstrate the synthesis of order-aligned Mn3O4 nanostructures by electrochemically depositing Mn3O4 on a pre-fabricated Cu nanowire array current collector. When used as an electrode for lithium-ion batteries, it exhibits a capacity up to 637 and 494 mA h g(-1) after 100 cycles at a current rate of 10 C and 20 C (10 C = 9.4 A g(-1)), respectively. The excellent cycling performance and superior rate capability can be attributed to the good electrical contact, fast electron transport and good strain accommodation of the order-aligned nanostructured electrodes. The relationship between the thickness of the Mn3O4 film and its electrochemical performance has also been investigated. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：32 / 37

页数：6

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