Hollow nanodendritic nickel oxide networks prepared by dealloying of nickel-copper alloy

被引：10

作者：

Choi, Woo-Sung ^{[1
]}

Chang, Wonyoung ^{[2
]}

Shin, Heon-Cheol ^{[1
]}

机构：

[1] Pusan Natl Univ, Sch Mat Sci & Engn, Pusan 609735, South Korea

[2] Korea Inst Sci & Technol, Ctr Energy Convergence, Seoul 136791, South Korea

来源：

JOURNAL OF SOLID STATE ELECTROCHEMISTRY | 2014年 / 18卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

Dealloying; Electrodeposition; Porous structure; Nickel oxide; Lithium battery; LITHIUM-ION BATTERIES; THERMAL-OXIDATION; ELECTRODES; STORAGE;

D O I：

10.1007/s10008-013-2272-3

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Three-dimensional hollow nanorod network of nickel has been produced by a dealloying process of the electrodeposited nickel-copper alloy with nanodendritic structure. The nanostructured nickel was subsequently heat treated to form the nickel oxide with little change in the original structure. The resulting sample was tested as the high rate anode in a rechargeable lithium battery. It shows the exceptional rate capability, far exceeding that of the counterpart of nickel-copper oxide network with normal solid branches: reversible capacity at the rate of 20.9 A g(-1) is approximately 70 % of the capacity at 0.26 A g(-1) rate.

引用

页码：427 / 433

页数：7

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