Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 1, Issue 29, Pages 8488-8496Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ta11667k
Keywords
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Funding
- National Natural Science Foundation of China [20925312]
- State Key Basic Research Program of PRC [2013CB934103]
- Shanghai Science & Technology Committee [08DZ2270500]
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A nitrogen-doped ordered mesoporous carbon nanofiber array was prepared by a combination of a hard-templating and a soft-templating method. The obtained N-enriched carbon material has a high surface area (1030 m(2) g(-1)) and a large pore volume (2.35 cm(3) g(-1)), with uniform mesopores located at 15.0 nm. The material with a nitrogen content of 6.7 wt% shows a high capacitance of 264 F g(-1) in 1.0 M H2SO4 electrolyte and a good rate capability with a capacitance retention of 86% at 10 A g(-1) vs. 0.5 A g(-1). It also delivers an excellent cycling stability without capacitance fading over 10 000 cycles.
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