Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 164, Issue 1, Pages A6431-A6439Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0651701jes
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Funding
- Italian Ministry of Research and University (MIUR)
- PLASMAT project (Alma Mater Studiorum - Universita di Bologna FARB)
- COST Action [MP1206]
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Polyvinylidenedifluoride (PVdF) and polyethyleneoxide (PEO) are blended and electrospun in order to obtain membranes suitable as Li-ion battery separators. The separators are characterized, and their properties investigated and compared with those of PVdF and commercial separators. The PVdF-PEO based separators ensure increased conductivities, greater electrolyte uptake and higher porosities than commercial polyolefines, all factors that improve cell performance. They are also safer than PVdF separators thanks to lower shutdown temperature, even if their mechanical properties are not yet comparable with those of the latter. (C) The Author(s) 2017. Published by ECS. All rights reserved.
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