期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 17, 期 -, 页码 1-5出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2011.12.022
关键词
Porous carbon; Sulfur composite; Cathode; Lithium/sulfur cell
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.
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