Anomalous Increase in Ionic Conductivity in Peo-Containing System Segmented Polyurethane – Segmented Oligourethane with LiClO4.

Autor:	Shevchenko, V. V., Belous, A. G., Stryutsky, A. V., Kovalenko, L. L., Klimenko, N. S., Gumenna, M. A., Pilipenko, A. M.
Předmět:	IONIC conductivity GLASS transition temperature SOLID electrolytes LITHIUM-ion batteries
Zdroj:	Theoretical & Experimental Chemistry; Jan2022, Vol. 57 Issue 6, p429-436, 8p
Abstrakt:	A method of obtaining a solid polymer electrolyte for lithium-ion batteries based on polyethylene oxide-containing (PEO) supramolecularly organized system segmented polyurethane – segmented oligourethane with LiClO4(PUU-OUU-LiClO4) is proposed. The introduction of LiClO4 into PUU-OUU leads to an extreme increase in the glass transition temperature and ionic conductivity by 1 and 2 orders of magnitude when compared to OUU-LiClO4 and PUU-LiClO4 systems (up to 2.0·10–4 S/cm at 60°C), respectively, which is associated with a change in the lithium-ion transport mechanism. [ABSTRACT FROM AUTHOR]
Databáze:	Complementary Index
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