dihydrogen peroxide; potassium carbonate exothermic reaction;

tetra-n-butylammonium tetrafluoroborate; [Ni(2,2'-bipyridine)3(2+)][BF4(1-)]2 in N,N-dimethyl-formamide Ambient temperatureelectrolysis: Mg rod anode, carbon fibre cathode, const. current 60 mA;

1: 84 percent / 30percent H2O2, K2CO3 / exothermic reaction 2: hydrogen / rhodium(II)acetate dimer, Ph3P / ethyl acetate / 20 h / 60 °C / 20685.9 Torr View Scheme