001009089 001__ 1009089 001009089 005__ 20241016134452.0 001009089 0247_ $$2doi$$a10.1002/smll.202302486 001009089 0247_ $$2ISSN$$a1613-6810 001009089 0247_ $$2ISSN$$a1613-6829 001009089 0247_ $$2datacite_doi$$a10.34734/FZJ-2023-02628 001009089 0247_ $$2pmid$$a37403278 001009089 0247_ $$2WOS$$aWOS:001022760900001 001009089 037__ $$aFZJ-2023-02628 001009089 082__ $$a620 001009089 1001_ $$0P:(DE-HGF)0$$aGhaur, Adjmal$$b0 001009089 245__ $$aMolecular‐Cling‐Effect of Fluoroethylene Carbonate Characterized via Ethoxy(pentafluoro)cyclotriphosphazene on SiOx/C Anode Materials – A New Perspective for Formerly Sub‐Sufficient SEI Forming Additive Compounds 001009089 260__ $$aWeinheim$$bWiley-VCH$$c2023 001009089 3367_ $$2DRIVER$$aarticle 001009089 3367_ $$2DataCite$$aOutput Types/Journal article 001009089 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1704440102_25361 001009089 3367_ $$2BibTeX$$aARTICLE 001009089 3367_ $$2ORCID$$aJOURNAL_ARTICLE 001009089 3367_ $$00$$2EndNote$$aJournal Article 001009089 520__ $$aEffective electrolyte compositions are of primary importance in raising the performance of lithium-ion batteries (LIBs). Recently, fluorinated cyclic phosphazenes in combination with fluoroethylene carbonate (FEC) have been introduced as promising electrolyte additives, which can decompose to form an effective dense, uniform, and thin protective layer on the surface of electrodes. Although the basic electrochemical aspects of cyclic fluorinated phosphazenes combined with FEC were introduced, it is still unclear how these two compounds interact constructively during operation. This study investigates the complementary effect of FEC and ethoxy(pentafluoro)cyclotriphosphazene (EtPFPN) in aprotic organic electrolyte in LiNi0.5Co0.2Mn0.3O ∥ SiOx/C full cells. The formation mechanism of lithium ethyl methyl carbonate (LEMC)-EtPFPN interphasial intermediate products and the reaction mechanism of lithium alkoxide with EtPFPN are proposed and supported by Density Functional Theory calculations. A novel property of FEC is also discussed here, called molecular-cling-effect (MCE). To the best knowledge, the MCE has not been reported in the literature, although FEC belongs to one of the most investigated electrolyte additives. The beneficial MCE of FEC toward the sub-sufficient solid-electrolyte interphase forming additive compound EtPFPN is investigated via gas chromatography-mass spectrometry, gas chromatography high resolution-accurate mass spectrometry, in situ shell-isolated nanoparticle-enhanced Raman spectroscopy, and scanning electron microscopy. 001009089 536__ $$0G:(DE-HGF)POF4-1222$$a1222 - Components and Cells (POF4-122)$$cPOF4-122$$fPOF IV$$x0 001009089 536__ $$0G:(DE-HGF)POF4-1221$$a1221 - Fundamentals and Materials (POF4-122)$$cPOF4-122$$fPOF IV$$x1 001009089 536__ $$0G:(BMBF)13XP5129$$aElektrolytformulierungen für Lithiumbatterien der nächsten Generation mit großer Energiedichte und hoher Beständigkeit (13XP5129)$$c13XP5129$$x2 001009089 588__ $$aDataset connected to DataCite 001009089 7001_ $$0P:(DE-Juel1)188450$$aPfeiffer, Felix$$b1 001009089 7001_ $$0P:(DE-Juel1)169877$$aDiddens, Diddo$$b2 001009089 7001_ $$0P:(DE-HGF)0$$aPeschel, Christoph$$b3 001009089 7001_ $$0P:(DE-HGF)0$$aDienwiebel, 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