Ultra-thin Metal Bipolar Plates

Uniform temperature distribution

Bipolar plates for open-cathode air-cooled fuel cell stacks, engineered to improve temperature uniformity at high current densities, thereby enhancing stack reliability.

Chang, Huawei · Fengyang, Cai · Yu, Xianxian · Chen, Duan · Chan, S. H. · Tu, Zhengkai

Energy 2023

Advantages

At 500 mA/cm² current density and 70% fan PWM duty cycle, maximum inter-cell temperature difference reaches 19.7 °C

Under the same conditions, maximum intra-cell temperature difference reaches 8.4 °C