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

页码：9205 / 9213

页数：9

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