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Fuel Cells
Hydrogen and oxygen in, water out
Steam Reforming of methane
CH4 (g) + H2O (g) → CO(g) + 3H2(g)
Electrolysis of Water
Water is oxidised, H+ reduced
PEM Electrolyser
- Electrolysis of Water
- H+ travels through membrane
- expensive metal electrodes catalytic and porous enough to allow for the passage of gases, while preventing the flow of liquids
Artificial Photosynthesis
- Electrolysis of Water
- sunlight lands on the anode
- energy from the Sun causes excitation of the metals in the electrode
- the energy in the metals is used to oxidise water
- Artificial photosynthesis changes the end-product from glucose into hydrogen gas.