期刊
ADVANCED MATERIALS
卷 31, 期 16, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201807876
关键词
carbon spheres; hierarchical structures; polymer microspheres; porous materials; supercapacitors
类别
资金
- Young Thousand Talented Program of China [21671073, 21621001]
- National Natural Science Foundation of China [21671073, 21621001]
- 111 Project of the Ministry of Education of China [B17020]
- Program for JLU Science and Technology Innovative Research Team
- Fluid Interface Reactions, Structures, and Transport, an Energy Frontier Research Center of the US Department of Energy, Office of Science, Office of Basic Energy Sciences
The construction of refined architectures plays a crucial role in performance improvement and application expansion of advanced materials. The synthesis of carbon microspheres with a refined hierarchical structure is still a problem in synthetic methodology, because it is difficult to achieve the necessary delicate control of the interior structure and outer shell across the microscale to nanoscale. Nitrogen-doped multichamber carbon (MCC) microspheres with a refined hierarchical structure are realized here via a surfactant-directed space-confined polymerization strategy. The MCC precursor is not the traditional phenolic resol but a new kind of 2,6-diaminopyridine-based multichamber polymer (MCP) with a high nitrogen content up to 20 wt%. The morphology and sizes of MCP microspheres can be easily controlled by a dual-surfactant system. The as-synthesized MCC with a highly microporous shell, a multichamber inner core, and beneficial N-doping can serve as a promising supercapacitor material.
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