Figure 8
From: Ni-Co bimetal decorated carbon nanotube aerogel as an efficient anode catalyst in urea fuel cells

Performance of urea/O2 fuel cells with different anode materials (NiCo 25/MWCNT, NiCo/MWCNT-AG, NiCo 25/MWCNT-AG, and Ni/C) using 1 M urea in 3 M KOH as fuel and humidification oxygen as oxidant at 20 °C (a) and 60 °C (b).