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.

引用

页数：4

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