From zinc-cyanide hybrid coordination polymers to hierarchical yolk-shell structures for high-performance and ultra-stable lithium-ion batteries

被引：55

作者：

Fan, Haosen ^{[1
,2
,3
]}

Yu, Hong ^{[2
]}

Zhang, Yufei ^{[2
]}

Guo, Jing ^{[1
]}

Wang, Zhen ^{[1
]}

Wang, Hao ^{[1
]}

Hao, Xi ^{[1
]}

Zhao, Ning ^{[1
]}

Geng, Hongbo ^{[2
]}

Dai, Zhengfei ^{[2
]}

Yan, Qingyu ^{[2
,3
]}

Xu, Jian ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China

[2] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore

[3] Nanyang Technol Univ, Energy Res Inst NTU, Res Techno Plaza, Singapore 637553, Singapore

来源：

NANO ENERGY | 2017年 / 33卷

关键词：

Coordination polymers; Batteries; Ultra-stable; Yolk-shell; ZnO@C nanocrystal; METAL-ORGANIC FRAMEWORKS; ATOMIC LAYER DEPOSITION; ANODE MATERIALS; NANOROD ARRAYS; DOPED CARBON; GRAPHENE; STORAGE; COMPOSITES; CAPACITY; SUPERCAPACITANCE;

D O I：

10.1016/j.nanoen.2017.01.043

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Uniform zinc-cyanide hybrid coordination polymer microspheres were successfully synthesized by a coprecipitation method. Then hierarchical yolk-shell structured and carbon coated ZnO microspheres (YC-ZnO) composed of ZnO@C nanocrystals were prepared by consecutive post annealing processes of these microspheres in argon and air atmosphere. Such micro-nano porous structures have the advantages of large specific surface area, good charge transport kinetics, and large cavity to accommodate the volume change and maintain the mechanical integrity of the electrode material. When evaluated as anode materials of lithium ion batteries, these ZnO yolk-shell spheres exhibited excellent battery performance with a high rate capacity and ultra-stable cycling stability.

引用

页码：168 / 176

页数：9

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