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Polyfurfuryl alcohol derived activated carbons for high power electrical double layer capacitors
a b s t r a c t
Polyfurfuryl alcohol (PFA) derived activated carbons were prepared by the acid catalysed polymerization
of furfuryl alcohol, followed by potassium hydroxide activation. Activated carbons with apparent BET
surface areas ranging from 1070 to 2600m2 gā1, and corresponding average micropore sizes between 0.6
and 1.6nm were obtained. The porosity of these carbons can be carefully controlled during activation
and their performance as electrode materials in electric double layer capacitors (EDLCs) in a non-aqueous
electrolyte (1M Et4NBF4/ACN) is investigated. Carbon materials with a low average pore size (
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