Journal
NANO ENERGY
Volume 21, Issue -, Pages 80-89Publisher
ELSEVIER
DOI: 10.1016/j.nanoen.2015.12.016
Keywords
Nanporous carbons; Supecapacitors; Fluorine-doping; Surface affinity
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Funding
- National Natural Science Foundation of China [NSFC 51402188]
- Science and Technology Commission of Shanghai Municipality [14DZ2261000]
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Fluorine-rich nanoporous carbons with tunable porosity and F content have been successfully synthesized from a silane precursor using a solution-based F doping method. The F-rich carbon surface with higher polarity provides stronger affinity and wettability for the organic electrolyte, which is for the first time demonstrated though Gauss computational calculation between F-carbon surface and organic electrolytes. The optimized F-rich nanoporous carbon manifests a high specific capacitance of 168 F g(-1) in a symmetric cell with excellent retention at high rates and upon prolonged 10,000 cycles. (C) 2016 Elsevier Ltd. All rights reserved.
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