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Issue 44, 2018
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Solvent-free thiophene-based electrolytes: synthesis of new liquid-crystalline ionic conductors for batteries: part I

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Abstract

New liquid crystalline thiophene esters, thiophene-3-yl 3,4,5-tris(n-dodecan-1-yloxy)benzoate (ThBz1) and thiophene-3-yl 3,4,5-tris[4-(n-dodecan-1-yloxy)benzyloxy]benzoate (ThBz2), were synthesized for use in lithium-ion batteries as safe, new solvent-free ionic conductors. Both compounds were synthesized in multi-step reactions and were characterized via1H, 13C NMR and FT-IR spectroscopy, confirming the formation of the desired products. ThBz1 and ThBz2 showed good thermal stability and liquid crystalline behaviour. Electrochemical tests demonstrated a wide electrochemical window of 4 V for both tested ThBz compounds. Moreover, preliminary battery tests for new electrolytes in the LiCoO2/Li4Ti5O12 system confirmed their applicability in lithium-ion batteries.

Graphical abstract: Solvent-free thiophene-based electrolytes: synthesis of new liquid-crystalline ionic conductors for batteries: part I

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Article information


Submitted
20 Jul 2018
Accepted
05 Oct 2018
First published
08 Oct 2018

Dalton Trans., 2018,47, 15714-15724
Article type
Paper

Solvent-free thiophene-based electrolytes: synthesis of new liquid-crystalline ionic conductors for batteries: part I

K. A. Bogdanowicz, P. Gancarz, M. Filapek, D. Pociecha, M. Marzec, I. Chojnacka and A. Iwan, Dalton Trans., 2018, 47, 15714
DOI: 10.1039/C8DT02968G

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