They use hydrogen and oxygen to produce electricity and heat ... DLR is conducting research on polymer electrolyte fuel cells (PEFC) and solid oxide fuel cells (SOFC), as well as improving ...

Electrical current is applied to water containing Na2SO4 as an electrolyte. The water is converted into gaseous H2 and O2 at the electrodes. Attach one alligator clip from the battery pack to each ...

Electrolysis can be used to extract the metal ... and form molten aluminium oxide ions lose electrons at the anode, and form oxygen molecules The oxygen reacts with the carbon in the electrodes ...