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| Content Provider | PubMed Central |
|---|---|
| Author | Wang, Zi-long Guo, Rui Ding, Liang-xin Tong, Ye-xiang Li, Gao-ren |
| Copyright Year | 2013 |
| Abstract | Here we explored a novel ZnO nanorod array template-assisted electrodeposition route to synthesize large-scale single-walled polypyrrole (PPy) nanotube arrays (NTAs) and multi-walled MnO2/PPy/MnO2 NTAs. The structures of nanotubes, such as external and inner diameters, wall thicknesses, and lengths, can be well controlled by adjusting the diameters and lengths of ZnO nanorods and deposition time. The synthesized hybrid MnO2/PPy/MnO2 triple-walled nanotube arrays (TNTAs) as electrodes showed high supercapacitive perporties, excellent long-term cycling stability, and high energy and power densities. The PPy layers in MnO2/PPy/MnO2 TNTAs provide reliable electrical connections to MnO2 shells and uniquely serve as highly conductive cores to support the redox reactions in the active two-double MnO2 shells with highly electrolytic accessible surface area. The fabricated multi-walled NTAs allow high efficient utilization of electrode materials with facilitated transports of ions and electrons. The outstanding performance makes MnO2/PPy/MnO2 TNTAs promising candidates for supercapacitor electrodes. |
| Related Links | http://dx.doi.org/10.1038/srep01204 |
| Starting Page | 1204 |
| File Format | |
| ISSN | 20452322 |
| e-ISSN | 20452322 |
| Journal | Scientific Reports |
| Volume Number | 3 |
| Language | English |
| Publisher | Nature Publishing Group |
| Publisher Date | 2013-02-01 |
| Access Restriction | Open |
| Rights Holder | Nature Publishing Group |
| Subject Keyword | Science and technology Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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