Low-Cost, Dendrite-Blocking Polymer-Sb2O3 Separators for Lithium and Sodium Batteries

被引：46

作者：

Ansari, Younes ^{[1
]}

Guo, Bingkun ^{[1
]}

Cho, Joon Hee ^{[2
]}

Park, Kyusung ^{[1
]}

Song, Jie ^{[1
]}

Ellison, Christopher J. ^{[1
,2
]}

Goodenough, John B. ^{[1
]}

机构：

[1] Univ Texas Austin, Texas Mat Inst, Austin, TX 78712 USA

[2] Univ Texas Austin, McKetta Dept Chem Engn, Austin, TX 78712 USA

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2014年 / 161卷 / 10期

关键词：

IN-SITU OBSERVATION; ELECTROLYTES; GROWTH; BEHAVIOR; SEM;

D O I：

10.1149/2.0631410jes

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

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.

引用

页码：A1655 / A1661

页数：7

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