کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
192230 | 459737 | 2010 | 6 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Experimental and theoretical investigations on 4,5-dimethyl-[1,3]dioxol-2-one as solid electrolyte interface forming additive for lithium-ion batteries Experimental and theoretical investigations on 4,5-dimethyl-[1,3]dioxol-2-one as solid electrolyte interface forming additive for lithium-ion batteries](/preview/png/192230.png)
4,5-Dimethyl-[1,3]dioxol-2-one (DMDO) was used as a novel electrolyte additive for lithium-ion batteries. The effect of DMDO on the formation of the solid electrolyte interface (SEI) on anode and cathode of MCMB/LiNi0.8Co0.2O2 cells was investigated via a combination of electrochemical methods, X-ray photoelectron spectroscopy (XPS) and density functional theory (DFT) calculations. It is found that cells with electrolyte containing 2% DMDO have better capacity retention than cells without DMDO and this improved performance is ascribed to the assistance of DMDO in forming better SEIs on anode and cathode. DMDO-decomposition products are identified experimentally on the surface of the anode and cathode and supported by theoretical calculations.
Journal: Electrochimica Acta - Volume 55, Issue 22, 1 September 2010, Pages 6743–6748