Table 1 Comparison analysis of methanol electro-oxidation activities of a few previous reports of Pt-based catalysts and our present results.
Pt based catalyst | ECSA (m2g−1) | mass activity (mA mg−1Pt) | specific activity (mA m−2Pt) | Ref |
---|---|---|---|---|
Pt−Co CMEs | 135 mA with 0.5 mg cm−2 loading | |||
Co5Pt95 | 1417 | 16 | ||
Pt–Co/PZAF-MWCNTs | 231 | |||
3D Pt–Co networks | 20.2 | 392.36 | 19.61 | |
Pt3Co nanoflower | 13.16 | 125.08 | 9.51 | |
PtIrCo/3D carbon aerogel matrix | 98 (20 mVs−1) | about 800 (20 mVs−1) | ||
Pt-Co/CNTs | <80 | <1300 | ||
Pt–Co | 12.5 | 170 | ||
Pt-CoOx/MWCNTs | 52.9 | 779.7 | ||
CoPt nanorods | 195.4 | 909.9 | ||
Pt15Co85 | 509 | 16 | ||
hollow CoPt/MWCNTs | 20.9 | <250 | ||
commercial Pt/C | 41.4 | 543 | 17.13 | present work |
Pt/MWCNTs | 27.3 | 524 | 19.23 | present work |
Pt/CoPt-2/MWCNTs | 83.7 | 1719 | 20.25 | present work |