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A soft approach to encapsulate sulfur: Polyaniline nanotubes for lithium-sulfur batteries with long cycle life

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成果类型:
期刊论文
作者:
Xiao, Lifen;Cao, Yuliang*;Xiao, Jie;Schwenzer, Birgit;Engelhard, Mark H.;Saraf, Laxmikant V.;Nie, Zimin;Exarhos, Gregory J.;Liu, Jun
通讯作者:
Cao, Yuliang
作者机构:
[Xiao, Jie; Saraf, Laxmikant V.; Xiao, Lifen; Cao, Yuliang; Exarhos, Gregory J.; Schwenzer, Birgit; Engelhard, Mark H.; Liu, Jun; Nie, Zimin] Pacific NW Natl Lab, Richland, WA 99352 USA.
[Cao, Yuliang] Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China.
[Xiao, Lifen] Cent China Normal Univ, Coll Chem, Wuhan 430079, Peoples R China.
通讯机构:
[Cao, Yuliang] P
Pacific NW Natl Lab, Richland, WA 99352 USA.
语种:
英文
关键词:
polyaniline;nanotubes;self-breathing;long cycle life;lithium-sulfur batteries
期刊:
Advanced Materials
ISSN:
0935-9648
年:
2012
卷:
24
期:
9
页码:
1176-1181
基金类别:
U. S. Department of Energy (DOE)United States Department of Energy (DOE); Office of Basic Energy SciencesUnited States Department of Energy (DOE); Division of Materials Sciences and EngineeringUnited States Department of Energy (DOE) [KC020105-FWP12152]; Department of Energy's Office of Biological and Environmental Research and located at Pacific Northwest National LaboratoryUnited States Department of Energy (DOE); Pacific Northwest National Laboratory (PNNL) national laboratory operated for DOE [DE-AC05-76RL01830]
机构署名:
本校为其他机构
院系归属:
化学学院
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 &deg;C. The electrode could retain a discharge capacity of 837 mAh g<sup>-1</sup> after 100 cycles at a 0.1 C rate and manifested 76% capacity retention up to 500 cycles at a 1 C rate. Copyright &copy;2012 WILEY-VCH Verlag GmbH &amp;Co. KGaA, Weinheim.

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