A two-dimensional network PBI membrane cross-linked through metal Ce-ligand bond for the high-temperature proton exchange membrane fuel cells

Key Points

• High-temperature proton exchange membrane fuel cells show promising performance using a novel metal ce-ligand bond.
• The membrane displays a two-dimensional network structure, enhancing its durability and functionality.
• Assessment using a novel cross-linking method reveals better stability at elevated temperatures.
• This method may enable further advancements in fuel cell technology with optimal operating conditions.