From Lab to Fab: Path Forward for Multi-Scale Design of Industrial Anion Exchange Membrane Electrolyzers

Area of Science:

• Electrochemical Engineering
• Materials Science
• Green Chemistry

Background:

• Anion exchange membrane water electrolysis (AEMWE) is crucial for scaling up hydrogen production.
• Commercialization is hindered by multi-scale failure mechanisms, from catalyst degradation to system assembly issues.

Purpose of the Study:

• To systematically review AEMWE failure mechanisms across multiple scales.
• To introduce a collaborative design strategy for optimizing AEMWE performance and reliability.

Main Methods:

• Systematic investigation of failure behaviors in AEM electrolyzers.
• Integration of advanced membrane-electrode architectures, biomimetic flow-field designs, and intelligent control systems.
• Utilizing in situ characterization and artificial intelligence for failure analysis and predictive control.

Main Results:

• A full-chain optimization scheme is established, improving current density, durability, and dynamic response.
• Elucidation of failure mechanisms through advanced characterization and AI.
• Development of a multi-scale design blueprint and technical pathway for scaling AEMWE.

Conclusions:

• A holistic, multi-scale approach is essential for overcoming AEMWE limitations.
• The proposed strategy facilitates the transition from laboratory prototypes to gigawatt-scale production.
• AEMWE can become a reliable industrial solution for the green hydrogen economy.