Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 2, Issue 36, Pages 14844-14851Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ta02167c
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Funding
- National Natural Science Foundation of China [51102238, 51108441]
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We report a KOH self-templating synthesis of three-dimensional hierarchical porous carbon using resol as the precursor and KOH as both the template and activating agent. The resulting resol-derived porous carbon (RPC) exhibits a high surface area (up to 2700 m(2) g(-1)) and well-interconnected macropores with micropores and mesopores decorated on the carbon walls. Consequently, the RPC shows low internal resistance, high specific capacitance, good rate capability and excellent cycling stability in 6 M KOH as a supercapacitor electrode. Because of its easy fabrication and low cost, it offers a good alternative method for synthesis of carbon electrodes for energy-storage devices such as Li-ion batteries, fuel cells and supercapacitors.
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