Multi-double-cation composite membrane with surface-functionalized zirconia nanoparticle of highly improved ionic conductivity and chemical stability for anion exchange membrane water electrolysis
발표자
장준호 (성균관대학교)
연구책임자
유필진 (성균관대학교)
공동저자
장준호 (성균관대학교), 유필진 (성균관대학교)
초록
내용
Low-temperature water electrolysis can produce high-purity hydrogen without greenhouse gas emissions. Anion exchange membrane water electrolysis (AEMWE) is attractive because it can use non-precious metal catalysts, unlike proton exchange membrane water electrolysis (PEMWE), which relies on costly platinum-based catalysts. However, AEMWE is still limited by membrane conductivity, chemical stability, and mechanical strength. This study presents a “multi-double-cation” composite membrane incorporating surface-functionalized zirconia nanoparticles to overcome these challenges. Synergistic interactions between cationic groups and zirconia nanoparticles enhance ion conductivity and chemical stability while improving mechanical robustness. The resulting membrane delivers improved electrochemical performance, operational stability, and water electrolysis efficiency, demonstrating its potential as a next-generation AEMWE membrane for sustainable hydrogen production.