斯坦福大学鲍哲南：电池研究中锂盐在XPS分析中的降解和形态分 …
2024年1月25日 · 斯坦福大学鲍哲南教授团队 对三种不同的锂盐，即双 (氟磺酰基)酰亚胺锂 (LiFSI)、双 (三氟甲磺酰基)酰亚胺锂 (LiTFSI)和六氟磷酸锂 (LiPF6)进行了系统的XPS研究。 …
An XPS Study of Electrolytes for Li-Ion Batteries in Full Cell LNMO …
2024年6月21日 · XPS has been used to characterize the surfaces of carbon-coated Li2FeSiO4 cathodes extd. from Li-ion batteries in both a charged and discharged state. 1 M lithium …
Synergistic Effect of LiPF6 and LiBF4 as Electrolyte Salts in Lithium ...
2017年8月17日 · The synergism between LiPF 6 and LiBF 4 was explored using XPS, symmetric cells and EIS analysis. These show that LiBF 4 reduces impedance growth at the positive …
XPS spectra of the positive electrode in LiPF6/EC/EMC
XPS spectra of the positive electrode in LiPF6/EC/EMC + VC (a) before, and (b) after high-temperature cycle tests. LiCoO2/graphite full-cells with a carbonate-free electrolyte based on …
Surface-layer formation by reductive decomposition of LiPF6 at ...
2014年12月20日 · Surface layer on negative electrodes was investigated for LiPF 6 /EC–DMC electrolyte. In-situ X-ray reflectivity analyses etc revealed a surface layer (other than SEI). The …
Li[(FSO2)(n-C4F9SO2)N] versus LiPF6 for graphite/LiCoO2 lithium …
2016年4月1日 · Li[(FSO 2)(n-C 4 F 9 SO 2)N] versus LiPF 6 for graphite/LiCoO 2 lithium-ion cells at both room and elevated temperatures: A comprehensive understanding with chemical, …
X -ray photoelectron spectroscopy (XPS) analysis of Li 1s and F 1s of LiPF 6 @PAF -1 SSE are shown in Figure 1c and d, respectively. Compared with LiPF 6 crystal, [30] the binding energy …
XPS Valence Characterization of Lithium Salts as a Tool to Study ...
X-ray photoelectron valence spectra of lithium salts LiBF 4, LiPF 6, LiTFSI, and LiBETI have been recorded and analyzed by means of density functional theory (DFT) calculations, with good …
Decomposition of LiPF6 in High Energy Lithium-Ion Batteries …
2016年3月29日 · Decomposition of carbonate electrolytes based on LiPF 6 eventually results in the formation of POF 3, which is readily detected and followed in situ during operation of Li …
Reaction of surface oxide, Li−Si alloying process, and passivation layer formation) has been investigated by photoelectron spectroscopy (XPS or PES). Both soft X-rays (hν=100−800 eV) …
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