Gas treatment protection of metallic lithium anode

被引：0
作者：
Li, Wen-jun [1 ,2 ]
Li, Quan [1 ,2 ]
Huang, Jie [1 ,2 ]
Peng, Jia-yue [1 ,2 ]
Chu, Geng [1 ,2 ]
Lu, Ya-xiang [1 ]
Zheng, Jie-yun [1 ]
Li, Hong [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
CHINESE PHYSICS B | 2017年 / 26卷 / 08期
基金：
中国国家自然科学基金;
关键词：
gas treatment; lithium metal anode; lithium ion battery; lithium protection; SULFUR BATTERIES; CYCLE-LIFE; LAYER; ELECTRODEPOSITION; EFFICIENCY; SURFACE;
D O I：
10.1088/1674-1056/26/8/088202
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The effects of different coating layers on lithium metal anode formed by reacting with different controlled atmospheres (argon, CO2-O-2(2:1), N-2, and CO2-O-2-N-2(2:1:3)) have been investigated. The obtained XRD, second ion mass spectroscopy (SIMS), and scanning probe microscope (SPM) results demonstrate the formation of coating layers composed of Li2CO3, Li3N, and the mixture of them on lithium tablets, respectively. The Li/Li symmetrical cell and Li/S cell are assembled to prove the advantages of the protected lithium tablet on electrochemical performance. The comparison of SEM and SIMS characterizations before/after cycles clarifies that an SEI-like composition formed on the lithium tablets could modulate the interfacial stabilization between the lithium foil and the ether electrolyte.
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页数：6
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