Engineering a novel microcapsule of Cu9S5 core and SnS2 quantum dot/carbon nanotube shell as a Li-ion battery anode

被引：7
|
作者：
Liu, Jinyun [1 ]
Zhu, Mengfei [1 ]
Mu, Kai [2 ]
Han, Tianli [1 ]
Pan, Zeng [3 ]
Gan, Yuqing [1 ]
Zhang, Huigang [4 ,5 ]
Si, Ting [2 ]
机构：
[1] Anhui Normal Univ, Coll Chem & Mat Sci, Anhui Prov Engn Lab New Energy Vehicle Battery En, Wuhu 241000, Anhui, Peoples R China
[2] Univ Sci & Technol China, Dept Modern Mech, Hefei 230026, Anhui, Peoples R China
[3] Tianjin Univ, Sch Sci, Dept Chem, Tianjin 300072, Peoples R China
[4] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China
[5] Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2021年 / 57卷 / 98期
基金：
国家重点研发计划; 中国国家自然科学基金;
关键词：
HIGH-CAPACITY; LITHIUM; NANOPARTICLES;
D O I：
10.1039/d1cc05657c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel microcapsule composed of Cu9S5 and SnS2 quantum dots (QDs)/carbon nanotubes (CNTs) prepared through a microfluidic approach was developed for a Li-ion battery anode. CNTs enhance the conductivity, while pores in the shell facilitate electrolyte penetration, and void in the microcapsule buffers the volume change. The microcapsule-based anode displayed stable capacity, a Coulombic efficiency of 99.9%, and reversible rate-performance at temperatures of -10 degrees C and 45 degrees C, which are significant for developing high-performance energy-storage materials and battery systems.
引用
收藏
页码：13397 / 13400
页数：4
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