石墨负极界面SEI膜与锂离子电池热失控
张佳怡, 翁素婷, 王兆翔, 王雪锋

Solid electrolyte interphaseSEIon graphite anode correlated with thermal runaway of lithium-ion batteries
Jiayi ZHANG, Suting WENG, Zhaoxiang WANG, Xuefeng WANG
图2 (a) 原位加热XPS的示意图;(b) 温度从25 ℃上升至300 ℃期间,定量分析嵌锂VGCFXPS总谱、C 1s谱、O 1s谱和F 1s谱;(c)25150200 ℃下锂化VGCFSEI膜的cryo-TEM和基于EELS面扫的C(用红色标记)O(用绿色标记)元素分布图[34]
Fig. 2 (a) Schematic of in-situ heating XPS; (b) Quantitative analysis of the XPS survey spectra, C 1s, O 1s, and F 1s spectra from the lithiated VGCF during the temperature rising from 25to 300; (c) Cryo-TEM images of SEI on the lithiated VGCF at 25, 150, 200and their corresponding elemental distribution of C (marked in red) and O (marked in green) based on EELS map scanning[34]