Hydrogen crossover in proton exchange membrane water electrolysis: Effects of membrane type, temperature and pressure

Key Points

• Hydrogen crossover significantly affects overall electrolysis efficiency under varying conditions.
• Increased temperatures and pressure levels resulted in 15% higher hydrogen crossover rates combined with specific membrane types.
• Assessment using experimental setups varied by membrane type, temperature, and pressure to analyze electrolysis efficiency.
• Highlights the need for further investigation into multimodal conditions and efficiency in optimizing electrolysis systems.