Engineering hetero-epitaxial nanostructures with aligned Li-ion channels in Li-rich layered oxides for high-performance cathode application

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成果类型：

期刊论文

作者：

Xu, Ming;Fei, Linfeng;Lu, Wei;Chen, Zhaoyong;Li, Tao;...

通讯作者：

Lai, Yanqing;Huang, Haitao

作者机构：

[Wang, Peng; Xu, Ming; Zhang, Zhian; Lai, Yanqing] Cent S Univ, Sch Met & Environm, Changsha 410083, Hunan, Peoples R China.

[Liu, Yan; Fei, Linfeng; Li, Tao; Huang, Haitao; Xu, Ming] Hong Kong Polytech Univ, Dept Appl Phys, Kowloon, Hong Kong, Peoples R China.

[Lu, Wei] Hong Kong Polytech Univ, Univ Res Facil Mat Characterizat & Device Fabrica, Kowloon, Hong Kong, Peoples R China.

[Chen, Zhaoyong] Changsha Univ Sci & Technol, Coll Mat Sci & Engn, Changsha 410014, Hunan, Peoples R China.

[Gao, Guanyin] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China.

通讯机构：

[Lai, Yanqing] C

[Huang, Haitao] H

Cent S Univ, Sch Met & Environm, Changsha 410083, Hunan, Peoples R China.

Hong Kong Polytech Univ, Dept Appl Phys, Kowloon, Hong Kong, Peoples R China.

语种：

英文

关键词：

Aligned Li-ion channels;Cathode;Controlled epitaxy;Li-ion battery;Spinel/layered composite

期刊：

Nano Energy

ISSN：

2211-2855

年：

2017

卷：

页码：

271-280

DOI：

10.1016/j.nanoen.2017.03.051

基金类别：

The authors thank the financial support of Chinese National Natural Science Foundation (51474243). This project was supported by Grants from the Project of Innovation-driven Plan in Central South University (2015CXS018 and 2015CX001). Central South University, Changsha, China. The work was also supported by Hong Kong Polytechnic University (1-ZVGH).

机构署名：

本校为其他机构

院系归属：

材料科学与工程学院

摘要：

As a promising cathode material for Li-ion batteries (LIBs), Li-rich layered oxide (LLO) has attracted the most interest due to its superior performance and attractive characteristics, such as, extremely high capacity and energy density, low cost, and environmental friendliness. However, LLO cathode materials are facing a fundamental challenge of performance degradation as a result of the intrinsically poor rate capability and structural instability. Here we report the synthesis of high performance spinel/LLO heterostructured composite with aligned Li-ion channels by a composition modulated ep...

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Engineering hetero-epitaxial nanostructures with aligned Li-ion channels in Li-rich layered oxides for high-performance cathode application

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