期刊
NEW JOURNAL OF CHEMISTRY
卷 39, 期 12, 页码 9497-9503出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nj02080h
关键词
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资金
- National Basic Research Program of China (973 Program) [2014CB239701]
- National Natural Science Foundation of China [21173120, 51372116]
- Natural Science Foundation of Jiangsu Province [BK2011030, BK20151468]
- Fundamental Research Funds for the Central Universities of NUAA [NP2014403]
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
As electrical energy storage and delivery devices, carbon-based supercapacitors have attracted much attention for advancing the energy-efficient economy. It is important to develop a facile, low-cost and environmentally friendly method of producing novel carbon materials. In this study, we report a scalable synthesis of phosphorus-and nitrogen-co-doped porous carbons using lamellar-structured fish scale. The special lamellar structure of fish scale allows the production of porous carbons with large specific surface areas (up to 1300 m(2) g(-1)) and a high level of mesoporosity. Their inherent organic composition could be adapted with abundant N and P functional groups on the final carbons. Their high levels of porosity and rich surface functionality permit the carbons to exhibit excellent electrochemical performance as electrode materials for supercapacitors. The energy densities of supercapacitors approach 11.7 and 33.1 W h kg(-1) in aqueous and IL electrolytes, respectively.
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