Acta 4020 Cathode Catalyst
Transcript
Acta 4020 Cathode Catalyst
l’eccellenza italiana nell’idrogeno Acta 4020 Cathode Catalyst Description A noble metal free carbon based cathode catalyst for use in alkaline membrane fuel cells. Composition Standard composition: Approx. 3.5 wt. % transition metal on carbon support Standard form: Fine powder Physical properties BET surface area: 690 m2 g-1 Pore volume: 1.6 cm3 g-1 Catalyst activity: A typical RDE cyclic voltammogram for the 4020 catalyst is shown here, demonstrating performance as an oxygen reduction catalyst (fuel cell cathode). 0.0 Current Density jdisk / mA cm -2 -0.5 -1.0 ORR raw RDE data 25°C, 5 mV/s, 1600 rpm, 0.1M KOH, pure O 2 2 -1.5 Catalyst loading: 0.34 mg/cm -2.0 -2.5 -3.0 COM082_1009 -3.5 -4.0 -4.5 -5.0 -5.5 -6.0 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Potential / V vs. RHE RDE experimental conditions Electrolyte: 0.1 M KOH Reference Electrode: Ag/AgCl (in saturated KCl) 2 Electrode prepared by deposition of catalyst ink on glassy carbon (area 0.196cm ) Acta Energy is a division of Acta S.p.A. Via di Lavoria 56/G, 56040 Crespina (PI) Italy -- P.O. Box 143, 56021 Cascina (PI) Italy Tel +39 050-64.42.81 Fax +39 050-64.22.51 REA 152599– Codice Fiscale e Partita IVA n°04462180961 Cap. soc. € 245,970,76 i.v.