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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Zhuang, Xiaodong Mai, Yiyong Huang, Yinjuan Feng, Xinliang Wu, Dongqing Yang, Xiangwen Jiang, Jianzhong Tian, Hao Zhang, Fan |
| Copyright Year | 2015 |
| Abstract | This article presents a facile and effective approach for synthesizing three-dimensional (3D) graphene-coupled Schiff-base hierarchically porous polymers (GS-HPPs). The method involves the polymerization of melamine and 1,4-phthalaldehyde, yielding Schiff-base porous polymers on the interconnected macroporous frameworks of 3D graphene aerogels. The as-synthesized GS-HPPs possess hierarchically porous structures containing macro-/meso-/micropores, along with large specific surface areas up to 776 m2 g−1 and high nitrogen contents up to 36.8 wt%. Consequently, 3D nitrogen-enriched hierarchically porous carbon (N-HPC) materials with macro-/meso-/micropores were obtained by the pyrolysis of the GS-HPPs at a high temperature of 800 °C under a nitrogen atmosphere. With a hierarchically porous structure, good thermal stability and a high nitrogen-doping content up to 7.2 wt%, the N-HPC samples show a high specific capacitance of 335 F g−1 at 0.1 A g−1 in 6 M KOH, a good capacitance retention with increasing current density, and an outstanding cycling stability. The superior electrochemical performance means that the N-HPC materials have great potential as electrode materials for supercapacitors. |
| Starting Page | 1088 |
| Ending Page | 1095 |
| Page Count | 8 |
| File Format | HTM / HTML PDF |
| ISSN | 17599954 |
| Volume Number | 6 |
| Issue Number | 7 |
| Journal | Polymer Chemistry |
| DOI | 10.1039/c4py01408a |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Pyrolysis Electrode Graphene Polymerization Electrochemistry Capacitance Melamine resin Nitrogen Carbon Current density Three-dimensional space |
| Content Type | Text |
| Resource Type | Article |
| Subject | Organic Chemistry Biochemistry Bioengineering Biomedical Engineering Polymers and Plastics |
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