Lithium-ion batteries are {commonly|generally|typically|frequently|normally|usually} {used|utilized|employed|utilised|applied|made use of} for electrical {energy|power} storage in {portable|transportable} devices and are promising systems for large-scale {energy|power} storage. {However|Nevertheless|Nonetheless|Even so|On the other hand|Having said that}, their application {is still|continues to be} {limited|restricted} {due to|because of|as a result of|on account of|resulting from|as a consequence of} electrode degradation and stability {issues|problems|concerns|troubles|difficulties|challenges}. To {enhance|improve|boost} the {fundamental|basic} understanding of electrode degradation we report {on the|around the} Raman spectroscopic characterization of LiCoO2 cathode {materials|supplies|components} of {working|operating|functioning} Li-ion batteries. To facilitate the spectroscopic {analysis|evaluation} {of the|from the|in the|on the|with the|of your} SEI ({solid|strong} electrolyte interface) we apply surface-enhanced Raman spectroscopy {by using|by utilizing} Au nanoparticles coated {with a|having a|using a} thin SiO2 layer (Au@SiO2). We observe a surface-enhanced Raman signal of Li2CO3 at 1090 cm-1 {during|throughout|in the course of|for the duration of|through} electrochemical cycling as an intermediate. Its formation/decomposition highlights the {role|function|part} of Li2CO3 as a {component|element} {of the|from the|in the|on the|with the|of your} SEI on LiCoO2 composite cathodes. Our {results|outcomes|final results|benefits} demonstrate the {potential|possible|prospective} of Raman spectroscopy to monitor electrode/electrolyte interfaces of lithium-ion batteries {under|below|beneath} {working|operating|functioning} {conditions|circumstances|situations} {thus|therefore|hence|as a result} {allowing|permitting|enabling} relations {between|in between|among|amongst|involving} electrochemical {performance|overall performance|efficiency|functionality} and structural {changes|modifications|adjustments|alterations} {to be|to become} established. 116700-73-3 Price Buy4-Bromo-3-nitropyridine PMID:25027343
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