Cathode and Anode sides filled with aqueous electrolyte are separated bye a membrane. At the cathode water is decomposed into hydrogen and hydroxide ions, the charge carrier. Ions migrate through the diaphgram releasing charge and oxygen molecules at the anode. The most often used material for cathode in alkaline electrolysers is nickel with a catalyst coating, usually platinum. Anode is often made of nickel or copper coated with metal oxides such as manganese or tungsten. The electrolyte is composed of an aqueous solution of either KOH or NaOH (sometimes also H2SO4) with a typical concentration ranging at 20-40 wt%\cite{Guillet_2015}. The typical operating temperature of alkaline electrolysis is 40-90