Porous carbon-sulfur composite cathode for lithium/sulfur cells

被引：95

作者：

Rao, Mumin ^{[1
,2
,3
]}

Li, Weishan ^{[2
]}

Cairns, Elton J. ^{[1
,3
]}

机构：

[1] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA

[2] S China Univ Technol, Coll Mat Sci & Engn, Guangzhou 510641, Guangdong, Peoples R China

[3] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Environm Energy Technol Div, Berkeley, CA 94720 USA

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2012年 / 17卷

关键词：

Porous carbon; Sulfur composite; Cathode; Lithium/sulfur cell; BATTERIES; ELECTROLYTE; PERFORMANCE;

D O I：

10.1016/j.elecom.2011.12.022

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A unique porous carbon was prepared using a polymer mixture of polyacrylonitrile and poly(methylmethacrylate). Sulfur was incorporated into this porous carbon via a new simple solution chemical deposition method. This novel porous carbon-sulfur composite showed high reversible capacity, good capacity retention and good rate capability when used as the cathode in rechargeable Li/S cells. The electrochemical results show that porous carbon-sulfur composite with 53.7 wt.% S maintains a stable discharge capacity of more than 740 mA h g(-1)-sulfur after 100 cycles. (c) 2012 Elsevier B.V. All rights reserved.

引用

页码：1 / 5

页数：5

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