MOF-templated thermolysis for porous CuO/Cu2O@CeO2 anode material of lithium-ion batteries with high rate performance

被引：27

作者：

Wang, Lijuan ^{[1
]}

Wang, Xiaojie ^{[1
]}

Meng, Zhaohui ^{[1
]}

Hou, Hongjiang ^{[1
]}

Chen, Baokuan ^{[1
]}

机构：

[1] Nanyang Normal Univ, Coll Chem & Pharmaceut Engn, Nanyang 473061, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE | 2017年 / 52卷 / 12期

基金：

中国国家自然科学基金;

关键词：

METAL-ORGANIC FRAMEWORK; CONTROLLABLE SYNTHESIS; CARBON OCTAHEDRA; FACILE SYNTHESIS; COMPOSITE; CEO2; STABILITY; CATHODE; NANOSTRUCTURES; NANOTUBES;

D O I：

10.1007/s10853-017-0949-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Novel porous CuO/Cu2O@CeO2 anode has been successfully synthesized from a Cu-based metal-organic framework (Cu-MOF) via a simple two-step pyrolysis method. The CeO2 protective layer greatly improves the electronic conductivity, can buffer the volume change and can provide pathways for electron transport and Li+ diffusion. The results demonstrate that the electrochemical performance of CuO/Cu2O anode can be significantly improved by the design. The CuO/Cu2O@CeO2 electrode delivers a large specific capacity of 473 mAh g(-1) at 0.3 A g(-1), and exhibits excellent rate capacity with 250 mAh g(-1) at 2 A g(-1) and good cyclic performance with a capacity of 592.3 mAh g(-1) after 100 cycles at 0.2 A g(-1).

引用

页码：7140 / 7148

页数：9

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