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Article A Scaled-Up Lithium (Ion)-Sulfur Battery: Newly Faced Problems and Solutions
Author	Kang, Hyo-Seok (Dept Energy Engn); Park, Eunjun (Dept Energy Engn); Hwang, Jang-Yeon (Dept Energy Engn); 김한수 (Dept Energy Engn); 선양국 (Dept Energy Engn);
Corresponding Author Info	Sun, YK (reprint author), Hanyang Univ, Dept Energy Engn, Seoul 133791, South Korea.; Aurbach, D (reprint author), Bar Ilan Univ, Dept Chem, IL-52900 Ramat Gan, Israel.
E-mail	Doron.Aurbach@biu.ac.il yksun@hangyang.ac.kr
Document Type	Article
Source	ADVANCED MATERIALS TECHNOLOGIES Volume:1 Issue:6 Pages:- Published:2016
Times Cited	0
External Information	http://dx.doi.org/10.1002/admt.201600052
Abstract	Lithium-sulfur (Li-S) batteries are extensively explored due to their substantially higher theoretical energy density compared to any commercially available rechargeable batteries. Highly innovative efforts are invested to demonstrate promising Li-S cells at laboratory scales. In order to promote this battery technology further, it is important to develop and test sulfur cathodes with practically high loading per unit area. The work described herein is devoted to long-term testing of Li-S and Si-Li-S cells comprising electrodes with high loading of the active mass, in pouch cells. This study investigates composite cathodes in which sulfur is embedded in matrices of multiwall carbon nanotubes and composite anodes based on prelithiated Si/SiOx nanospheres. These full-cells exhibit stable cycling performance for more than 400 cycles, substantially more than equivalent cells utilizing metallic lithium anodes, which suffer from dendritic Li growth. The use of pouch cells, high cathodes' loading, and relatively high charge exchange per unit area during each cycle, emphasize the limitation of Li metal anodes in rechargeable batteries and promote development of Si-Li-S batteries for prolonged cycle life.
Web of Science Categories	Materials Science, Multidisciplinary
Funding	Global Frontier R&D Program on Center for Hybrid Interface Materials (HIM) - Ministry of Science, Information & Communication Technology (ICT) [2013M3A6B1078875]; Human Resources Development program of the Korea Institute of Energy Technology Evaluation a
Language	English