Hierarchical porous MnCo2O4 yolk-shell microspheres from MOFs as secondary nanomaterials for high power lithium ion batteries

被引：47
作者：
Yang, Hongxun [1 ,2 ]
Xie, Yue [1 ,3 ]
Zhu, Miaomiao [1 ]
Liu, Yongmin [1 ]
Wang, Zhenkang [1 ]
Xu, Minghang [1 ]
Lin, Shengling [1 ]
机构：
[1] Jiangsu Univ Sci & Technol, Sch Environm & Chem Engn, Zhenjiang 212003, Jiangsu, Peoples R China
[2] Jiangsu Univ Sci & Technol, Marine Equipment & Technol Inst, Zhenjiang 212003, Jiangsu, Peoples R China
[3] Chinese Acad Sci, State Key Lab Struct Chem, Fujian Inst Res Struct Matter, Fuzhou 350002, Fujian, Peoples R China
来源：
DALTON TRANSACTIONS | 2019年 / 48卷 / 25期
基金：
中国国家自然科学基金;
关键词：
ADVANCED ANODE; HOLLOW SPHERES; HIGH-CAPACITY; ORGANIC FRAMEWORKS; FACILE SYNTHESIS; FE2O3; NANOTUBES; ENERGY-STORAGE; PERFORMANCE; CARBON; NANOPARTICLES;
D O I：
10.1039/c9dt00613c
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Hierarchical porous MnCo2O4 yolk-shell microspheres have been synthesized via a facile chemical precipitation method with subsequent calcination treatment. The hierarchical porous MnCo2O4 yolk-shell microspheres as secondary nanomaterials can improve the effective contact area between the MnCo2O4 electrode and electrolyte, accommodate the volume variations during cycling, and shorten the Li+ diffusion path in the nanoparticles. Benefiting from their particular structure and interconnected pores, as anodes for lithium ion batteries, the hierarchical porous MnCo2O4 yolk-shell microspheres show high reversible lithium storage capacity, excellent cycling performance and enhanced rate capability. More importantly, they also exhibit long-life and high-rate lithium storage as high as 691.3 mA h g(-1) after 500 cycles even at 1 C.
引用
收藏
页码：9205 / 9213
页数：9
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