Construction of sub-methanol-molecule-scale proton channels in SPBI/POSS-SO3H composite membranes for high-performance direct methanol fuel cells

Key Points

• Enhanced conductivity is achieved through the creation of sub-methanol-molecule-scale proton channels, improving efficiency.
• The methanol fuel cell shows a significant increase in performance with higher proton conductivity at the molecular level.
• This analysis focuses on the structural and material properties of composite membranes to optimize performance in fuel cells.
• The findings may enable advancements in fuel cell technology, addressing limitations of current membrane materials.