Low-cost, dendrite-blocking polymer-Sb2O3 separators for lithium and sodium batteries

Younes Ansari; Bingkun Guo; Joon Hee Cho; Kyusung Park; Jie Song; Christopher J. Ellison; John B. Goodenough

doi:10.1149/2.0631410jes

Low-cost, dendrite-blocking polymer-Sb2O3 separators for lithium and sodium batteries

Younes Ansari, Bingkun Guo, Joon Hee Cho, Kyusung Park, Jie Song, Christopher J. Ellison, John B. Goodenough

Chemical Engineering and Materials Science

Research output: Contribution to journal › Article › peer-review

47 Scopus citations

Abstract

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/AClO₄ (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.

Original language	English (US)
Pages (from-to)	A1655-A1661
Journal	Journal of the Electrochemical Society
Volume	161
Issue number	10
DOIs	https://doi.org/10.1149/2.0631410jes
State	Published - 2014

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abstract = "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/AClO4 (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.",

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T1 - Low-cost, dendrite-blocking polymer-Sb2O3 separators for lithium and sodium batteries

AU - Ansari, Younes

AU - Guo, Bingkun

AU - Cho, Joon Hee

AU - Park, Kyusung

AU - Song, Jie

AU - Ellison, Christopher J.

AU - Goodenough, John B.

PY - 2014

Y1 - 2014

N2 - 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/AClO4 (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.

AB - 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/AClO4 (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.

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Low-cost, dendrite-blocking polymer-Sb2O3 separators for lithium and sodium batteries

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