Synthesis and application of ultra-long Na0.44MnO2 submicron slabs as a cathode material for Na-ion batteries

被引：59

作者：

Xu, Maowen ^{[1
,2
]}

Niu, Yubin ^{[1
,2
]}

Chen, Chuanjun ^{[1
,2
]}

Song, Jie ^{[3
]}

Bao, Shujuan ^{[1
,2
]}

Li, Chang Ming ^{[1
,2
]}

机构：

[1] Southwest Univ, Fac Mat & Energy, Inst Clean Energy & Adv Mat, Chongqing 400715, Peoples R China

[2] Chongqing Key Lab Adv Mat & Technol Clean Energie, Chongqing 400715, Peoples R China

[3] Univ Texas Austin, Texas Mat Inst, Austin, TX 78712 USA

来源：

RSC ADVANCES | 2014年 / 4卷 / 72期

基金：

中国国家自然科学基金;

关键词：

MANGANESE OXIDE; ELECTROCHEMICAL PERFORMANCE; AQUEOUS-ELECTROLYTE; POSITIVE ELECTRODE; SODIUM; NANOWIRES; NA4MN9O18; SUBSTITUTION; LESS;

D O I：

10.1039/c4ra07355j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Novel ultra-long Na0.44MnO2 submicron slabs were fabricated through the sol-gel method, followed by high-temperature calcination. The material has a thickness ranging from 100 to 250 nm and a length varying from 10 mu m to 40 mu m. Electrochemical characterization indicates that the material can deliver a high capacity, larger than 120 mA h g(-1) with stable cycling over 100 cycles in assembled nonaqueous Na-ion cells, the good performance of which is mainly attributed to the reduced sodium ion diffusion distance.

引用

页码：38140 / 38143

页数：4

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