Abstract
The solid electrolyte interface (SEI) formation on the surface of LiMn 2O4 electrodes during room temperature charge-discharge cycling was studied using soft X-ray absorption spectroscopy at the Fluorine (F) K-edge. LiMn2O4 electrodes without any binder were prepared by electrostatic spray deposition to eliminate the signal originating from the PVDF binder in the F K-edge X-ray absorption spectra. The F K-edge absorption spectra show that the SEI layer forms at a very early stage of cycling. SEI growth takes place during discharge. In addition, LiFformation is accelerated if the discharge step follows a charge step. The F K-edge absorption spectra suggest that the major component of the SEI is LiF.
| Original language | English |
|---|---|
| Pages (from-to) | 1295-1299 |
| Number of pages | 5 |
| Journal | Journal of Applied Electrochemistry |
| Volume | 41 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - 2011 Nov 1 |
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All Science Journal Classification (ASJC) codes
- Chemical Engineering(all)
- Materials Chemistry
- Electrochemistry
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Formation of an SEI on a LiMn2O4 cathode during room temperature charge-discharge cycling studied by soft X-ray absorption spectroscopy at the Fluorine K-edge. / Chung, Kyung Yoon; Yoon, Won Sub; Kim, Kwang Bum; Cho, Byung Won; Yang, Xiao Qing.
In: Journal of Applied Electrochemistry, Vol. 41, No. 11, 01.11.2011, p. 1295-1299.Research output: Contribution to journal › Article
TY - JOUR
T1 - Formation of an SEI on a LiMn2O4 cathode during room temperature charge-discharge cycling studied by soft X-ray absorption spectroscopy at the Fluorine K-edge
AU - Chung, Kyung Yoon
AU - Yoon, Won Sub
AU - Kim, Kwang Bum
AU - Cho, Byung Won
AU - Yang, Xiao Qing
PY - 2011/11/1
Y1 - 2011/11/1
N2 - The solid electrolyte interface (SEI) formation on the surface of LiMn 2O4 electrodes during room temperature charge-discharge cycling was studied using soft X-ray absorption spectroscopy at the Fluorine (F) K-edge. LiMn2O4 electrodes without any binder were prepared by electrostatic spray deposition to eliminate the signal originating from the PVDF binder in the F K-edge X-ray absorption spectra. The F K-edge absorption spectra show that the SEI layer forms at a very early stage of cycling. SEI growth takes place during discharge. In addition, LiFformation is accelerated if the discharge step follows a charge step. The F K-edge absorption spectra suggest that the major component of the SEI is LiF.
AB - The solid electrolyte interface (SEI) formation on the surface of LiMn 2O4 electrodes during room temperature charge-discharge cycling was studied using soft X-ray absorption spectroscopy at the Fluorine (F) K-edge. LiMn2O4 electrodes without any binder were prepared by electrostatic spray deposition to eliminate the signal originating from the PVDF binder in the F K-edge X-ray absorption spectra. The F K-edge absorption spectra show that the SEI layer forms at a very early stage of cycling. SEI growth takes place during discharge. In addition, LiFformation is accelerated if the discharge step follows a charge step. The F K-edge absorption spectra suggest that the major component of the SEI is LiF.
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U2 - 10.1007/s10800-011-0344-6
DO - 10.1007/s10800-011-0344-6
M3 - Article
AN - SCOPUS:83155175298
VL - 41
SP - 1295
EP - 1299
JO - Journal of Applied Electrochemistry
JF - Journal of Applied Electrochemistry
SN - 0021-891X
IS - 11
ER -