Investigation of solid electrolyte interface (SEI) film on LiCoO2 cathode in fluoroethylene carbonate (FEC)-containing electrolyte by 2D correlation X-ray photoelectron spectroscopy (XPS)

2014 ◽  
Vol 1069 ◽  
pp. 157-163 ◽  
Author(s):  
Yeonju Park ◽  
Su Hyun Shin ◽  
Hoon Hwang ◽  
Sung Man Lee ◽  
Sung Phil Kim ◽  
...  
2020 ◽  
Author(s):  
Xiaojing Liu ◽  
Chaofei Zhang ◽  
Juan Chen ◽  
Xing Yin ◽  
Yidan Sun ◽  
...  

This work provides a novel strategy of optimal utilization of fluoroethylene carbonate to generate a uniform and compact solid electrolyte interface film, enhancing the cycle life of potassium ion batteries....


2017 ◽  
Vol 5 (28) ◽  
pp. 14906-14913 ◽  
Author(s):  
Dong Won Kim ◽  
A. Reum Park ◽  
Tae Sik Oh ◽  
Nae Eung Lee ◽  
Pil J. Yoo ◽  
...  

To solve the problems of the Si anode such as excessive volume expansion and the corresponding destruction of the solid electrolyte interface (SEI) film, we propose a porous MoS2@C heteroshell with a Si yolk structure.


2011 ◽  
Vol 347-353 ◽  
pp. 3522-3526
Author(s):  
Chun Yan Lai ◽  
Jing Jing Xu ◽  
Yong Feng Wei

A safe lithium-ion battery system of Li4Ti5O12/LiFePO4 was prepared, the solid electrolyte interface on the surface of Li4Ti5O12 electrode and the electrochemical performances of this lithium-ion battery system were studied. XRD、SEM and EIS texts were used to analyses the solid electrolyte interface on the surface of anode electrode. The result of XRD indicates that new material does generate at the surface of Li4Ti5O12 anode electrode. The result of EIS indicates that the SEI film increased the resistance of the battery, and the resistance will decrease as the cycle time increasing.


2013 ◽  
Vol 239 ◽  
pp. 269-276 ◽  
Author(s):  
Yan-Bing He ◽  
Ming Liu ◽  
Zhen-Dong Huang ◽  
Biao Zhang ◽  
Yang Yu ◽  
...  

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