酸性正极 3O2+12H+ +12e-=6H2O
负极:2CH3OH-12e-+2H2O=2CO2+ 12H+
碱性正极:3O2+3H2O+12e-=12OH-
负极:2CH3OH-12e-+16OH-=9H2O+2CO3 2-