
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 · 尽管观察到三种锂盐的lif富集现象相似,但在xps条件下它们的形成途径可能不同(方案s2)。 对于LiFSI,其降解为LiF涉及S-F键断裂,而剩余的SO2-NSO2F部分可能通过Ar+ …
LiF Artifacts in XPS Analysis of the SEI for Lithium Metal Batteries
2025年1月27日 · In this paper, we conduct a systematic study on the reasons for the LiF artifacts in the XPS characterization of LMBs. The decomposition of the SEI and CEI components …
Electrolyte design for LiF-rich solid–electrolyte interfaces to enable ...
2020年4月20日 · Here we demonstrate that a rationally designed electrolyte (2.0 M LiPF 6 in 1:1 v/v mixture of tetrahydrofuran and 2-methyltetrahydrofuran) enables 100 cycles of full cells that …
Anion-enrichment interface enables high-voltage anode-free …
2023年2月25日 · In fluorinated linear carboxylic esters, we introduce the –F group to precisely manipulate the solvating power and facilitate the LiF-abundant interfacial chemistry, in which …
XPS spectra of Li 1s for (a) pristine lithium and (b) LiF-coated ...
Due to the low surface diffusion resistance, LiF is conducive to guiding Li+ deposition rapi... ... further confirm the composition of the LiF coating, an XPS characterization was performed....
Stable all-solid-state lithium metal batteries with Li3N-LiF …
2021年12月1日 · X-ray photoelectron spectroscopy (XPS) was used to investigate the chemical composition of Li surface, to reveal the origins of improved galvanostatic performances. Fig. 3 …
孙浩团队Angewandte Chemie:师法自然:超薄界面层实现无负极 …
2023年5月11日 · 研究团队通过密度泛函理论(dft)、飞行时间二次离子质谱(tof-sims)和x射线光电子能谱(xps)深入探究了teg调控锂金属沉积与剥离过程的科学机制。 DFT计算结果证实 …
Review: SEI中LiF的作用越来越受到重视 - 知乎 - 知乎专栏
1995年,Kanamura等人使用XPS进一步验证了LiBF4基电解质中Li金属表面形成的SEI中存在LiF和多种有机物。 1997年,Peled及其同事根据公认的SEI化学成分,提出石墨和锂金属表面SEI …
Degradation and Speciation of Li Salts during XPS Analysis for …
2022年9月6日 · Herein, we present a systematic XPS study of three different Li salts, namely lithium bis(fluorosulfonyl)imide (LiFSI), lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), and …
*Accuracy Limits – LiF as examplePeak-fits, Overlays, BEs, Tables ...
LiF, using the Li1s and F1s XPS peaks, appears, at first sight, to be an ideal case for high accuracy. Only 1s core-levels are involved, removing any possible angular effects, and it is a …