Journal
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 161, Issue 10, Pages A1655-A1661Publisher
ELECTROCHEMICAL SOC INC
DOI: 10.1149/2.0631410jes
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Funding
- US Department of Energy, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-SC0005397]
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We describe here preparation and performance of an ultra-flexible and low-cost Sb2O3/polymer composite membrane separator for Na-ion or Li-ion batteries operating with metallic Na or Li anodes. The separator has a large electrolyte window, excellent thermal and mechanical stabilities when infused with EC/DEC/AClO(4) (1M) electrolyte (A = Li or Na), excellent wettability and acceptable ionic conductivity to 1C rate. The ability of the separator to block anode dendrites from crossing it is demonstrated in symmetric alkali-metal cells and in the performances of Na-ion and Li-ion cells with/without loading with Sb2O3. (C) 2014 The Electrochemical Society. All rights reserved.
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