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Changshin Jo, Jongkook Hwang, Hannah Song, Anh Ha Dao, Yong-Tae Kim, Sang Hyup Lee, Seok Won Hong, Songhun Yoon and Jinwoo Lee Block-Copolymer-Assisted One-Pot Synthesis of Ordered Mesoporous WO3−x/Carbon Nanocomposites as High-Rate-Performance Electrodes for Pseudocapacitors Advanced Functional Materials 23

Version of Record online: 13 MAR 2013 | DOI: 10.1002/adfm.201202682

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An ordered mesoporous tungsten-oxide/carbon (m-WO3−x-C-s) nanocomposite is synthesized using a block-copolymer-assisted one-pot self-assembly method. As a pseudocapacitor electrode, m-WO3−x-C-s exhibits a high average volumetric capacitance of 340 F cm−3 and a gravimetric capacitance of 103 F g−1. The amorphous carbon in the m-WO3−x-C-s decreases the internal resistance of m-WO3−x-C-s electrode by facilitating electric conduction.

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