Facile Synthesis of Hierarchical CoMn2O4 Microspheres with Porous and Micro-/Nanostructural Morphology as Anode Electrodes for Lithium-Ion Batteries

被引：16
作者：
Li, Yana [1 ,2 ]
Hou, Xianhua [1 ,2 ]
Li, Yajie [1 ,2 ]
Ru, Qiang [1 ,2 ]
Wang, Shaofeng [1 ,2 ]
Hu, Shejun [1 ,2 ]
Lam, Kwok-ho [3 ]
机构：
[1] Guangdong Engn Technol Res Ctr Efficient Green En, Guangzhou 510006, Guangdong, Peoples R China
[2] South China Normal Univ, Sch Phys & Telecommun Engn, Guangdong Prov Key Lab Quantum Engn & Quantum Mat, Guangzhou 510006, Guangdong, Peoples R China
[3] Hong Kong Polytech Univ, Dept Elect Engn, Hunghom Kowloon 999077, Hong Kong, Peoples R China
来源：
ELECTRONIC MATERIALS LETTERS | 2017年 / 13卷 / 05期
关键词：
CoMn2O4; microspheres; hydrothermal method; crystal structure; lithium ion batteries; HIGH-PERFORMANCE ANODES; STORAGE PROPERTIES; HIGH-CAPACITY; NANOPARTICLES; GRAPHENE; MNCO2O4; SHELL; LI; SUPERCAPACITORS; FABRICATION;
D O I：
10.1007/s13391-017-6258-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Hierarchical CoMn2O4 microspheres assembled by nanoparticles have been successfully synthesized by a facile hydrothermal method and a subsequent annealing treatment. XRD detection indicate the crystal structure. SEM and TEM results reveal the 3-dimensional porous and micro-/nanostructural microsphere assembled by nanoparticles with a size of 20-100 nm. The CoMn2O4 electrode show initial specific discharge capacity of approximately 1546 mAh/g at the current rates 100 mA/g with a coulombic efficiency of 66.7% and remarkable specific capacities (1029-485 mAh/g) at various current rates (100-2800 mA/g).
引用
收藏
页码：427 / 433
页数：7
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