Escalating global energy demand has spurred intensive research into alternative energy technologies,among which proton-exchange membrane fuel cells(PEMFCs)stand out for their high efficiency and environmental benignit...Escalating global energy demand has spurred intensive research into alternative energy technologies,among which proton-exchange membrane fuel cells(PEMFCs)stand out for their high efficiency and environmental benignity.However,conventional proton conductors like Nafion®face critical limitations,including water-dependent conductivity,high production costs,and poor performance under hightemperature/low-humidity conditions.Metal-organic frameworks(MOFs),with their tunable structures,high porosity,and diverse functionalization,have emerged as promising candidates to overcome these challenges.This review systematically summarizes recent progress in membrane-shaped MOF proton conductors,focusing on three mainstream fabrication strategies:MOF-polymer blend membranes,MOF glass membranes,and substrate-deposited MOF films.The proton conduction mechanisms,structural design principles,and performance optimization strategies for each type are discussed.Additionally,the current challenges and future perspectives in advancing MOF-based membranes for practical PEMFC applications are highlighted.展开更多
基金supported by the National Natural Science Foundation of China(52207238)the,(24KJB430011)the Jiangsu University Senior Talent Launch Fund.
文摘Escalating global energy demand has spurred intensive research into alternative energy technologies,among which proton-exchange membrane fuel cells(PEMFCs)stand out for their high efficiency and environmental benignity.However,conventional proton conductors like Nafion®face critical limitations,including water-dependent conductivity,high production costs,and poor performance under hightemperature/low-humidity conditions.Metal-organic frameworks(MOFs),with their tunable structures,high porosity,and diverse functionalization,have emerged as promising candidates to overcome these challenges.This review systematically summarizes recent progress in membrane-shaped MOF proton conductors,focusing on three mainstream fabrication strategies:MOF-polymer blend membranes,MOF glass membranes,and substrate-deposited MOF films.The proton conduction mechanisms,structural design principles,and performance optimization strategies for each type are discussed.Additionally,the current challenges and future perspectives in advancing MOF-based membranes for practical PEMFC applications are highlighted.
