Sulfur-Infiltrated Micro- and Mesoporous Silicon Carbide-Derived Carbon Cathode for High-Performance Lithium Sulfur Batteries

被引：317

作者：

Lee, Jung Tae ^{[1
]}

Zhao, Youyang ^{[1
]}

Thieme, Soeren ^{[2
]}

Kim, Hyea ^{[1
,4
]}

Oschatz, Martin ^{[2
]}

Borchardt, Lars ^{[2
]}

Magasinski, Alexandre ^{[1
]}

Cho, Won-Il ^{[3
]}

Kaskel, Stefan ^{[2
]}

Yushin, Gleb ^{[1
]}

机构：

[1] Georgia Inst Technol, Sch Mat Sci & Engn, Atlanta, GA 30332 USA

[2] Tech Univ Dresden, Dept Inorgan Chem, D-01069 Dresden, Germany

[3] Korea Inst Sci & Technol, Natl Agenda Res Div, Energy Storage Res Ctr, Seoul 130650, South Korea

[4] Sila Nanotechnol Inc, Atlanta, GA 30332 USA

来源：

ADVANCED MATERIALS | 2013年 / 25卷 / 33期

关键词：

Li-S; carbide-derived carbon; nanocomposites; polysulfide; confinement; dissolution; METAL CARBIDES; PORE-SIZE; ENERGY; CELLS; ELECTROLYTES; STORAGE; ADSORPTION; CAPACITORS; SCATTERING; NANOTUBES;

D O I：

10.1002/adma.201301579

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

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. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：4573 / 4579

页数：7

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