| People | Locations | Statistics |
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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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| Muller, Hermance |
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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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Florjańczyk, Zbigniew
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2018Thermally induced structural transformations of linear coordination polymers based on aluminum tris(diorganophosphates)citations
- 2016Linear Coordination Polymers Based on Aluminum Phosphates: Synthesis, Crystal Structure and Morphologycitations
- 2015Synthesis and characterization of lithium-salt complexes with difluoroalkoxyborates for application as lithium electrolytescitations
- 2015Study of ageing effects in polymer-in-salt electrolytes based on poly(acrylonitrile-co-butyl acrylate) and lithium saltscitations
- 2014Lithium electrolytes based on modified imidazolium ionic liquidscitations
- 2012Segmental copolymers of condensation polyesters and polylactidecitations
- 2011Synthesis and characterization of new trifluoroalkoxyborates lithium salts of ionic liquid propertiescitations
- 2004Polymer-in-salt electrolytes based on acrylonitrile/butyl acrylate copolymers and lithium saltscitations
- 2003Effects of inhomogeneity on ionic conductivity and relaxations in PEO and PEO–salt complexescitations
- 2000The effect of solvent and proton donor type on the conductivity and physico-chemical properties of poly(vinylidene fluoride)-based proton-conducting gel electrolytescitations
Places of action
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article
Synthesis and characterization of lithium-salt complexes with difluoroalkoxyborates for application as lithium electrolytes
Abstract
We present a modified method for the synthesis of a Lewis acid of acidity lower than that of BF3: ROBF2, (where R is an oligooxyethylene substituent containing 1 to 7 ethylene oxide (EO) monomeric units). The synthesis consisted of thermal decomposition of trifluoroalkoxyborate salts under reduced pressure. The derivatives synthesized were applied in complexation reactions with low-molecular-weight lithium salts, such as LiF, LiI, LiPF6 CH3COOLi, CF3COOLi and (COOLi)2. The salts obtained show properties of ionic liquids at ambient temperature. On the basis of NMR, FTIR and EIS spectroscopy, the course of the complexation reaction has been proposed and the properties of the salts obtained have been determined. The system with CF3COOLi has the highest ambient-temperature ionic conductivity of the carboxylic complex salts studied (on the order of 10−4 S cm−1). The product of the reaction of CH3(OCH2CH2)2OBF2 and LiI, applied in a solid polymer electrolyte (10 mol% in PEO), was characterized by ionic conductivity of the order of 10−6 − 10−3 S cm−1 over a temperature range between 20 − 90 °C, and high lithium transference number (0.80 − 0.87).