Multi-crosslinked alginate proton membrane

Surpasses Nafion in methanol resistance

Thermal treatment tunes the internal network to achieve high selectivity and excellent cell stability for direct methanol fuel cells.

Wang, Bin · Han, Xing · Wang, Minghui · Cui, Wei · Zhong, Shuangling · Cui, Xuejun

International Journal of Biological Macromolecules 2024

Specifications

Selectivity Ss cm
{'zh': '14.30 × 10⁵', 'en': '120'} °C heat
that of Nafion
{'zh': '68.10', 'en': '0.21 × 10⁵'} Ss cm⁻³

Advantages

Methanol diffusion coefficient decreased with increasing treatment temperature

Higher maximum power density than Nafion®117