publication . Article . 2010

Poly(ethylene terephthalate)-based carbons as electrode material in supercapacitors

Domingo-García, M.; Fernández López, José Antonio; Almazán-Almazán, M.C.; López-Garzón, F.J.; Stoeckli, F.; Álvarez Centeno, Teresa;
Open Access English
  • Published: 01 Jun 2010
  • Publisher: Elsevier
A systematic study by complementary techniques shows that PET-waste from plastic vessels is a competitive precursor of carbon electrodes for supercapacitors. PET derived-activated carbons follow the general trends observed for highly porous carbons and display specific capacitances at low current density as high as 197 F g−1 in 2 M H2SO4 aqueous electrolyte and 98 F g−1 in the aprotic medium 1 M (C2H5)4NBF4/acetonitrile. Additionally, high performance has also been achieved at high current densities, which confirms the potential of this type of materials for electrical energy storage. A new method based on the basic solvolysis of PET-waste and the subsequent...
free text keywords: Supercapacitor, Double-layer, Activated carbon, PET
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