Cathode Flow Field with Secondary Cooling Channels

Improves water balance and performance

By adding secondary cooling channels, this flow field significantly improves cathode-side water management while maintaining thermal performance, addressing membrane dry-out caused by excessive air in air-cooled stacks.

Chang, Huawei · Pengcheng, Yue · Zhijie, Huang · Tu, Zhengkai

Sustainable Energy Technologies and Assessments 2026

Specifications

平均膜水活度提高
{'zh': '12.03', 'en': ''} %
电堆输出性能提高
{'zh': '5.40', 'en': ''} %

Advantages

Oxygen molar fraction on cathode catalyst layer increases by 5.42% at 0.6 V

Lower cathode gas flow rate in reactant channels at 0.6 V