210 267 8.30 1.23 0.11 0.6 67-91 3.65-8.77 0.14-1.1 248 Rozendal (2007 (C , CEM 0.3 1 23 0.6 42 0.5 Ditzig , 2007) 4.3 0.45 0.37 Liu 2005b 0.50 0.02 Rozendal , 2006 0.50 0.01 Ditzing , 2007 Pt on carbon Pt on titanium Pt on carbon