N-doped carbon coated TiO2 hollow spheres as ultralong-cycle-life Na-ion battery anodes

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成果类型：

期刊论文

作者：

Liu, Beibei;Wang, Jin;Li, Junhua;Fan, Kaili;Zhao, Dan;...

通讯作者：

Qian, Dong

作者机构：

[Wang, Jin; Fan, Kaili; Liu, Beibei; Zhao, Dan; Qian, Dong; Liu, Guiyu] Cent S Univ, Hunan Prov Key Lab Chem Power Resources, Hunan Prov Key Lab Efficient & Clean Utilizat Man, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China.

[Li, Junhua; Liu, Beibei] Hengyang Normal Univ, Coll Chem & Mat Sci, Key Lab Funct Met Organ Cpds Hunan Prov, Hengyang 421008, Peoples R China.

[Yang, Chunming] Hunan Normal Univ, Coll Chem & Chem Engn, Changsha 410081, Hunan, Peoples R China.

[Tong, Haixia] Changsha Univ Sci & Technol, Inst Chem & Biol Engn, Changsha 410114, Hunan, Peoples R China.

通讯机构：

[Qian, Dong] C

Cent S Univ, Hunan Prov Key Lab Chem Power Resources, Hunan Prov Key Lab Efficient & Clean Utilizat Man, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China.

语种：

英文

关键词：

N-doped carbon coated TiO2 hollow spheres;Synthesis;Cycling stability;Na-ion battery

期刊：

Journal of Physics and Chemistry of Solids

ISSN：

0022-3697

年：

2019

卷：

134

页码：

214-224

DOI：

10.1016/j.jpcs.2019.06.021

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51874359, 21171174, 21505035]; Hunan Provincial Science and Technology Plan Project [2016TP1007, 2017TP1001]; Changsha Municipal Science and Technology Project Fund [kq1706062]

机构署名：

本校为其他机构

院系归属：

化学与材料科学学院

摘要：

We used a simple solvothermal–pyrolytic two-step route to synthesize N-doped carbon coated anatase TiO2 (TiO2@NC) hollow spheres, where dopamine hydrochloride was simultaneously used as the sources of nitrogen and carbon. The unique hollow structure of the TiO2@NC hollow spheres and the introduced N-doped carbon coating layer resulted in excellent structural stability, facile electrolyte access, high electronic conductivity, short charge-transportation paths, and rapid Na+ reaction kinetics. When applied as Na-ion battery anodes, the TiO2@NC h...

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N-doped carbon coated TiO2 hollow spheres as ultralong-cycle-life Na-ion battery anodes

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