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Title

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

AuthorsDomingo-García, M.; Fernández López, José Antonio ; Almazán-Almazán, M.C.; López-Garzón, F.J.; Stoeckli, F.; Álvarez Centeno, Teresa
KeywordsSupercapacitor
Double-layer
Activated carbon
PET
Issue DateJun-2010
PublisherElsevier
CitationJournal of Power Sources 195(12): 3810-3813 (2010)
AbstractA 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 carbonization seems to be an interesting alternative to obtain porous carbons with enhanced properties for supercapacitors.
Publisher version (URL)http://dx.doi.org/10.1016/j.jpowsour.2009.12.090
URIhttp://hdl.handle.net/10261/102365
DOI10.1016/j.jpowsour.2009.12.090
ISSN0378-7753
Appears in Collections:(INCAR) Artículos
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