Fabrication of NiO nanoflakes and its application in lithium ion battery

被引：39

作者：

Ni, Shibing ^{[1
]}

Li, Tao ^{[1
]}

Yang, Xuelin ^{[1
]}

机构：

[1] Three Gorges Univ, Coll Mech & Mat Engn, Yichang 443002, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2012年 / 132卷 / 2-3期

关键词：

Ceramics; Chemical synthesis; Annealing; Electrochemical properties; NEGATIVE-ELECTRODE MATERIALS; ANODE MATERIAL; PERFORMANCE; COMPOSITE; NANOCOMPOSITE; REACTIVITY; MORPHOLOGY; OXIDES; CUO;

D O I：

10.1016/j.matchemphys.2011.12.082

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

NiO nanoflakes with mean size about 2 mu m and mean thickness about 20 nm have been successfully synthesized via a simple two-step method. Electrochemical properties of the as-synthesized NiO nanoflakes as anode electrode of lithium ion batteries were studied by conventional charge/discharge tests, showing initial discharge and charge capacities of 1213 mAh g(-1) and 902 mAh g(-1) at a current density of 100 mA g(-1). After 50 cycles, the discharge and charge capacities of NiO nanoflakes electrode were 1015 and 990 mAh g(-1), respectively. The first discharge and charge capacities of the as-prepared NiO electrode were 749 and 541 mAh g(-1) at a current density of 800 mA g(-1), being of 578 and 567 rnAh g(-1) after 50 cycles. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：1108 / 1111

页数：4

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