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Title: A new type of porous graphite foams and their integrated composites with oxide/polymer core/shell nanowires for supercapacitors : structural design, fabrication, and full supercapacitor demonstrations
Authors: Xia, Xinhui
Chao, Dongliang
Fan, Zhanxi
Guan, Cao
Cao, Xiehong
Zhang, Hua
Fan, Hong Jin
Keywords: DRNTU::Science
Issue Date: 2014
Source: Xia, X., Chao, D., Fan, Z., Guan, C., Cao, X., Zhang, H., & Fan, H. J. (2014). A New Type of Porous Graphite Foams and Their Integrated Composites with Oxide/Polymer Core/Shell Nanowires for Supercapacitors: Structural Design, Fabrication, and Full Supercapacitor Demonstrations. Nano Letters, 14(3), 1651-1658.
Series/Report no.: Nano letters
Abstract: We attempt to meet the general design requirements for high-performance supercapacitor electrodes by combining the strategies of light-weight substrate, porous nanostructure design and conductivity modification. We fabricate a new type of 3D porous and thin graphite foams (GF) and use as the light and conductive substrates for the growth of metal oxide core/shell nanowire arrays to form integrated electrodes. The nanowire core is Co3O4 and the shell is a composite of conducting polymer (Poly (3,4-ethylenedioxythiophene), PEDOT) and metal oxide (MnO2). To show the advantage of this integrated electrode design (viz., GF+Co3O4/PEDOT-MnO2 core/shell nanowire arrays), three other different less-integrated electrodes are also prepared for comparison. Full supercapacitor devices based on the GF+Co3O4/PEDOT-MnO2 as positive electrodes exhibit the best performance compared to other three counterparts due to an optimal design of structure and a synergistic effect.
ISSN: 1530-6984
DOI: 10.1021/nl5001778
Rights: © 2014 American Chemical Society. This is the author created version of a work that has been peer reviewed and accepted for publication by Nano Letters, American Chemical Society. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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