Biopitch and charcoal were mixed and thermically modified to give prebaked electrodes.
Rocha J.D., Coutinho A.R., Luengo C.A. 2002, 'Biopitch produced from eucalyptus wood pyrolysis liquids as a renewable binder forcarbon electrode manufacture', Brazilian Journal of Chemical Engineeringhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0104-66322002000200002. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These were impregnated with a copper salt and thermically treated in an inert atmosphere.
Nora Dolores Martínez, Rosa Beatriz Venturini, Hugo Soé Silva, José Eduardo González,Ana María Rodríguez 2009, 'Copper on activated carbon for catalytic wet air oxidation', Materials Researchhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392009000100004. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)