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Article dans une revue

Poly(Ethylene Oxide)-LiTFSI Solid Polymer Electrolyte Filaments for Fused Deposition Modeling Three-Dimensional Printing

Abstract : Additive manufacturing technologies open the way to the direct-integration of electronics and solid-state battery within the final 3D object. Here, a 3D printable polyethylene oxide/lithium bis(trifluoromethanesulfonyl)imide (PEO/LiTFSI) filament (2.18 x 10(-3) S cm(-1) at 90 degrees C) optimized to be used as solid polymer electrolyte in a lithium-ion battery is produced to feed a fused deposition modeling (FDM) 3D-printer. Due to its relatively poor mechanical properties compared to classical polymer filament such as polylactic acid (PLA), deep modifications of the 3D-printer were implemented in order to facilitate its printability. The solid polymer electrolyte thermal, structural, morphological, mechanical and electrical characterization is reported. Interestingly, using three different electrochemical impedance spectroscopy sample holders (lateral, sandwich and interdigitated-comb), we demonstrate that conductivity values differs for a same sample, highlighting the PEO chains orientation effect on the conductivity measurements. (C) 2020 The Author(s). Published on behalf of The Electrochemical Society by IOP Publishing Limited.
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https://hal-u-picardie.archives-ouvertes.fr/hal-03608668
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Soumis le : mardi 15 mars 2022 - 09:00:21
Dernière modification le : mercredi 16 mars 2022 - 03:38:47

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Alexis Maurel, Michel Armand, Sylvie Grugeon, Benoit Fleutot, Carine Davoisne, et al.. Poly(Ethylene Oxide)-LiTFSI Solid Polymer Electrolyte Filaments for Fused Deposition Modeling Three-Dimensional Printing. JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 2020, 167 (7), ⟨10.1149/1945-7111/ab7c38⟩. ⟨hal-03608668⟩

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