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Article Dans Une Revue Scientific Reports Année : 2019

Effect of standard light illumination on electrolyte’s stability of lithium-ion batteries based on ethylene and di-methyl carbonates

Nicolas Sergent

Résumé

Combining energy conversion and storage at a device and/or at a molecular level constitutes a new research field raising interest. This work aims at investigating how prolonged standard light exposure (A.M.1.5G) interacts with conventional batteries electrolyte, commonly used in the photo-assisted or photo-rechargeable batteries, based on 1 mol.L-1 LiPF6 EC/DMC electrolyte. We demonstrate the intrinsic chemical robustness of this class of electrolyte in absence of any photo-electrodes. However, based on different steady-state and time-resolved spectroscopic techniques, it is for the first time highlighted that the solvation of lithium and hexafluorophosphate ions by the carbonates are modified by light exposure leading to absorbance and ionic conductivity modifications without detrimental effects onto the electrochemical properties.
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Origine : Publication financée par une institution

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hal-02132202 , version 1 (28-05-2021)

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Gaspard Bouteau, Albert Nguyen Van-Nhien, Michel Sliwa, Nicolas Sergent, Jean-Claude Leprêtre, et al.. Effect of standard light illumination on electrolyte’s stability of lithium-ion batteries based on ethylene and di-methyl carbonates. Scientific Reports, 2019, 9, pp.135. ⟨10.1038/s41598-018-36836-9⟩. ⟨hal-02132202⟩
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