HIGH RECYCLABILITY AND POWER PERFORMANCE OF A THIN MICRO LITHIUM-ION BATTERY ANODE

被引：0
|
作者：
Kuang, X. L. [1 ,2 ,3 ]
Li, K. D. [1 ,2 ,3 ]
Liu, Y. F. [1 ,2 ,3 ]
Feng, X. J. [4 ]
Wang, X. H. [1 ,2 ,3 ]
机构：
[1] Tsinghua Natl Lab Informat Sci & Technol, Beijing, Peoples R China
[2] Tsinghua Univ, Inst Microelect, Beijing, Peoples R China
[3] Tsinghua Univ, Dept Microelct & Nanoelect, Beijing, PR, Peoples R China
[4] GCL Syst Integrat Technol CO Ltd, Suzhou, Peoples R China
来源：
17TH INTERNATIONAL CONFERENCE ON MICRO AND NANOTECHNOLOGY FOR POWER GENERATION AND ENERGY CONVERSION APPLICATIONS (POWERMEMS 2017) | 2018年 / 1052卷
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1088/1742-6596/1052/1/012013
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
We report a high recyclability and fast charging/discharging speed of a thin silicon/carbon anode, which can implement direct prototyping of three dimensional (3D) microbattery on chip. The silicon/carbon material uses SU-8 as carbon source, and forms Si/void/C structure to provide enough space for volume expansion of the SiNPs during lithium-ion intercalation. By using roll forming, the anode has been demonstrated to enjoy the superior recyclability (563.42 mAh/g in the third cycle, while 472.96 mAh/g after 500 cycles) and the high charging/discharging speed (1.35 hour to finish a whole charge/discharge cycle) with only 60 mu m thickness.
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页数：4
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