Cu2+-chelated sulfonated PEEK proton exchange membrane

Conductivity 0.054 S/cm at -25°C

Crosslinking with Cu2+ suppresses swelling and enhances mechanical strength while preserving high -SO3H content, enabling anti-freezing operation at sub-zero temperatures.

Xu, Li · Qian, Libing · Dongwei, Zhang · Zhang, Haoliang · Yang, Lan · Han, Jinzhao · Li, Jingjing · Chen, Zhiyuan · Fang, Pengfei · He, Chunqing

Journal of Colloid and Interface Science 2024

Specifications

质子电导率

{'zh': '0.054', 'en': ''} S/cm

燃料电池最大功率

{'zh': '0.42', 'en': ''} W/cm2

离子交换容量

{'zh': '3.15', 'en': ''} mmol/g

Advantages

Retarded decay of conductivity and power at sub-zero temperatures