A Soft Approach to Encapsulate Sulfur: Polyaniline Nanotubes for Lithium-Sulfur Batteries with Long Cycle Life

被引：961

作者：

Xiao, Lifen ^{[1
,3
]}

Cao, Yuliang ^{[1
,2
]}

Xiao, Jie ^{[1
]}

Schwenzer, Birgit ^{[1
]}

Engelhard, Mark H. ^{[1
]}

Saraf, Laxmikant V. ^{[1
]}

Nie, Zimin ^{[1
]}

Exarhos, Gregory J. ^{[1
]}

Liu, Jun ^{[1
]}

机构：

[1] Pacific NW Natl Lab, Richland, WA 99352 USA

[2] Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China

[3] Cent China Normal Univ, Coll Chem, Wuhan 430079, Peoples R China

来源：

ADVANCED MATERIALS | 2012年 / 24卷 / 09期

关键词：

polyaniline; nanotubes; self-breathing; long cycle life; lithium-sulfur batteries; COMPOSITE CATHODE MATERIALS; HIGH-CAPACITY; ELECTROCHEMICAL PROPERTIES; CONDUCTIVITY; CELL;

D O I：

10.1002/adma.201103392

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel vulcanized polyaniline nanotube/sulfur composite was prepared successfully via an in situ vulcanization process by heating a mixture of polyaniline nanotube and sulfur at 280 °C. The electrode could retain a discharge capacity of 837 mAh g -1 after 100 cycles at a 0.1 C rate and manifested 76% capacity retention up to 500 cycles at a 1 C rate. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：1176 / 1181

页数：6

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