Facile synthesis of three-dimensional interconnected MnO/CNTs composite as anode materials for high-performance lithium-ion batteries

被引：7

作者：

Bai, Tao ^{[1
]}

Zhou, Haochen ^{[2
]}

Yang, Juan ^{[1
]}

Tang, Jingjing ^{[1
]}

Zhou, Xiangyang ^{[1
]}

机构：

[1] Cent S Univ, Sch Met & Environm, Changsha 410083, Peoples R China

[2] Tsinghua Univ, Dept Aerosp, Beijing 100084, Peoples R China

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2018年 / 815卷

基金：

中国国家自然科学基金;

关键词：

Lithium-ion batteries; Anode; Carbon nanotubes; Manganese oxide; Solvothermal method; ELECTROCHEMICAL PERFORMANCE; MNO NANOPARTICLES; CARBON NANOTUBES; RATE CAPABILITY; POROUS CARBON; STORAGE; NANOSHEETS; CAPACITY; LIFE; NANOSPHERES;

D O I：

10.1016/j.jelechem.2018.02.002

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

MnO offers remarkably high theoretical capacity based on conversion reaction for lithium-ion batteries (LIBs). However, the low electronic conductivity and large volume changes of MnO have severely limited its applications. Due to the high conductivity of carbon nanotubes (CNTs), we synthesized a three-dimensional (3D) interconnected MnO/CNTs composite by a step-by-step method to solve the above issues. The obtained 3D interconnected MnO/CNTs composite has the advantages of high capacity of MnO and the excellent conductivity of CNTs, in which CNTs were connected with each other to form an interconnected network for the embedding of nanosized MnO particles. As a consequence, the prepared 3D interconnected MnO/CNTs composite shows a high capacity of 992 mA h g(-1) at 0.2 A g(-1) after 150 cycles and 893 mA h g(-1) at 0.5 A g(-1) after 300 cycles, demonstrating the potential of promising anode material for LIBs.

引用

页码：98 / 104

页数：7

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