engleski

Water electrolysis on the 3D nickel foam catalyst using solar energy

The aim of the investigation was to construct and test an alkaline water electrolyser with nickel foam as a new type of electrode material. A 30W photovoltaic module (PV) was used as a power source. Potential-current characteristics of the electrolyser under natural and flow circulation as well as the PV module maximum power point trajectory aredetermined. The hydrogen evolution reaction (HER) was investigated on both foamy and polycrstalline nickel electrodes in a three- electrode reactor using dc and ac electrochemical methods. Improved catalytic activity of 3D nickel foam is attributed to the increased specific area. Mathematical models of the electrolyser and photovoltaic module are given.

Water electrolysis; 3D nickel foam catalyst; solar energy

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