期刊
ELECTROCHIMICA ACTA
卷 192, 期 -, 页码 243-250出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2016.01.198
关键词
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资金
- National Natural Science Foundation of China [21275135, 21405146]
- National Basic Research Program of China [2010CB933600]
- China Scholarship Council [201504910334]
We demonstrated here the crosslinked N-doped graphene (NG) can be rapidly prepared through a one-step burning process of graphene oxide. The doping process completed within 3 minutes and the N content in the obtained NG reached to 5.6%. The obtained crosslinked NG shows mesoporous structure with relatively high specific area, large pore volume and various N types. As a supercapacitor, the resultant NG exhibits rapid diffusion of electrolyte ions and shows superior capacitive performance, excellent specific capacitance (317.5 F/g at the current density of 1 A/g) and high cycling stability (93% retention after 5000 cycles). The obtained results indicate that the crosslinked NG is a promising candidate for creating supercapacitors with high performance and relatively low cost. (C) 2016 Published by Elsevier Ltd.
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