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Jung Tae Lee, Youyang Zhao, Sören Thieme, Hyea Kim, Martin Oschatz, Lars Borchardt, Alexandre Magasinski, Won-Il Cho, Stefan Kaskel and Gleb Yushin Sulfur-Infiltrated Micro- and Mesoporous Silicon Carbide-Derived Carbon Cathode for High-Performance Lithium Sulfur Batteries Advanced Materials 25

Version of Record online: 27 JUN 2013 | DOI: 10.1002/adma.201301579

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Novel nanostructured sulfur (S)–carbide derived carbon (CDC) composites with ordered mesopores and high S content are successfully prepared for lithium sulfur batteries. The tunable pore-size distribution and high pore volume of CDC allow for an excellent electrochemical performance of the composites at high current densities. A higher electrolyte molarity is found to enhance the capacity utilization dramatically and reduce S dissolution in S-CDC composite cathodes during cycling.

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