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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Vallana, Nicholas
University of Milano-Bicocca
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (3/3 displayed)
- 2024Host–Guest Interactions and Transport Mechanism in Poly(vinylidene fluoride)-Based Quasi-Solid Electrolytes for Lithium Metal Batteriescitations
- 2024PVDF‐HFP Based, Quasi‐Solid Nanocomposite Electrolytes for Lithium Metal Batteriescitations
- 2023Highly Reversible Ti/Sn Oxide Nanocomposite Electrodes for Lithium Ion Batteries Obtained by Oxidation of Ti<sub>3</sub>Al<sub>(1‐x)</sub>Sn<sub>x</sub>C<sub>2</sub> Phasescitations
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article
PVDF‐HFP Based, Quasi‐Solid Nanocomposite Electrolytes for Lithium Metal Batteries
Abstract
<jats:title>Abstract</jats:title><jats:p>Composite polymer electrolytes are systems of choice for future solid‐state lithium metal batteries (LMBs). Poly(vinylidene fluoride‐co‐hexafluoropropylene) (PVDF‐HFP) is among the most interesting matrices to develop new generation quasi‐solid electrolytes (QSEs). Here it is reported on nanocomposites made of PVDF‐HFP and pegylated SiO<jats:sub>2</jats:sub> nanoparticles. Silica‐based hybrid nanofillers are obtained by grafting chains of poly(ethylene glycol) methyl ether (PEG) with different molecular weight on the surface of silica nanoparticles. The functionalized nanofiller improves the mechanical, transport and electrochemical properties of the QSEs, which show good ionic conductivity values and high resistance against dendrite penetration, ensuring boosted long and safe device operation. The most promising result is obtained by dispersing 5 wt% of SiO<jats:sub>2</jats:sub> functionalized with short PEG chains (PEG<jats:sub>750</jats:sub>, Mw = 750 g mol<jats:sup>−1</jats:sup>) in the PVDF‐HFP matrix with an ease solvent‐casting procedure. It shows ionic conductivity of 0.1 mS cm<jats:sup>−1</jats:sup> at 25 °C, more than 250 h resistance to stripping/plating, and impressive results during cycling tests in LMB with LiFePO<jats:sub>4</jats:sub> cathode.</jats:p>