2H₂O → 2H₂ + O₂; ΔG = 237 kJ/mol → 1.23 V thermodynamic, ~1.8 V practical. PEM (<100°C), alkaline, solid-oxide (700-900°C higher efficiency). Green hydrogen vector.
2H₂O → 2H₂ + O₂; ΔG = 237 kJ/mol → 1.23 V thermodynamic, ~1.8 V practical. PEM (<100°C), alkaline, solid-oxide (700-900°C higher efficiency). Green hydrogen vector.