Few-layer TiO2-B nanosheets with N-doped graphene nanosheets as a highly robust anode for lithium-ion batteries

被引：10

作者：

Han, Zhisong ^{[1
]}

Peng, Jun ^{[1
]}

Liu, Li ^{[1
]}

Wang, Gang ^{[1
]}

Yu, Feng ^{[1
]}

Guo, Xuhong ^{[2
]}

机构：

[1] Shihezi Univ, Key Lab Green Proc Chem Engn Xinjiang Bingtuan, Key Lab Mat Oriented Chem Engn Xinjiang Uygur Aut, Sch Chem & Chem Engn, Shihezi 832003, Peoples R China

[2] East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China

来源：

RSC ADVANCES | 2017年 / 7卷 / 13期

基金：

中国国家自然科学基金;

关键词：

ELECTROCHEMICAL PERFORMANCE; FACILE SYNTHESIS; NITROGEN; CARBON; NANOPARTICLES; NANOWIRES; COMPOSITE; OXIDE; NANOCOMPOSITE; MICROSPHERES;

D O I：

10.1039/c6ra26929j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We used a hydrothermal method to fabricate a N-doped TiO2-bronze/N-doped graphene nanocomposite (N-TiO2-B/NG). X-ray photoelectron spectroscopy confirmed that the nitrogen was successfully doped in the TiO2-B and graphene sheets. The N-TiO2-B/NG nanocomposites exhibited a high specific capacity, which was much higher than the capacities of pure TiO2-B. Our materials has a high specific capacity of 583.3 mA h g(-1) in the first cycle, and at a high current density of 50C, the capacity was still as high as 153.3 mA h g(-1). The stable cycling performance and excellent rate characteristics indicate this material has a great potential for high power lithium ion batteries.

引用

页码：7864 / 7869

页数：6

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