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https://hdl.handle.net/2440/90203
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Type: | Journal article |
Title: | Self-assembled hydrothermal synthesis for producing a MnCO₃/graphene hydrogel composite and its electrochemical properties |
Other Titles: | Self-assembled hydrothermal synthesis for producing a MnCO(3)/graphene hydrogel composite and its electrochemical properties |
Author: | Yuan, J. Zhu, J. Bi, H. Zhang, Z. Chen, S. Liang, S. Wang, X. |
Citation: | RSC Advances: an international journal to further the chemical sciences, 2013; 3(13):4400-4407 |
Publisher: | Royal Society of Chemistry |
Issue Date: | 2013 |
ISSN: | 2046-2069 2046-2069 |
Statement of Responsibility: | Jingjing Yuan, Junwu Zhu, Huiping Bi, Zhaozhi Zhang, Sheng Chen, Shiming Liang and Xin Wang |
Abstract: | As ultrathin and flexible materials, graphene sheets are versatile building blocks for fabricating graphene-based functional composite materials for widespread applications. In this paper, we demonstrated a facile approach to prepare MnCO3/graphene hydrogel (MGH) composites via a hydrothermal process. The MnCO3 nanoparticles are 50–100 nm in size and are deposited on graphene sheets’ surfaces as spacers to prevent graphene sheets from restacking. A combination of deposited MnCO3 nanoparticles and hydration of the hydrogel could effectively keep the neighboring graphene sheets separated. The obtained MGH nanocomposite presents a high specific capacitance (Cs) of 645.5 F g−1 at 0.5 A g−1 in a three-electrode system, suggesting that it is a robust candidate as a supercapacitor electrode material. |
Description: | First published online 24 Jan 2013 |
Rights: | This journal is © The Royal Society of Chemistry 2013 |
DOI: | 10.1039/c3ra23477k |
Published version: | http://dx.doi.org/10.1039/c3ra23477k |
Appears in Collections: | Aurora harvest 2 Chemical Engineering publications |
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