$\mathrm{Si}+2{\mathrm{H}}_2\mathrm{O}\to {\mathrm{SiO}}_2+4{\mathrm{H}}^{+}+4{\mathrm{e}}^{-}$	Anode	Silicon oxidation,
${\mathrm{Au}}^{3+}+3{\mathrm{e}}^{-}\to {\mathrm{Au}}^0$	Cathode	Gold reduction.