Liquid Tin SOFC Coolant

4× smaller ΔT

Uses liquid tin as the coolant for solid oxide fuel cell stacks, maintaining temperature uniformity even during start-stop while cutting pumping power.

Fan, J. · Wang, Yuqing · Tian, Ran · Shi, J. · Shi, Yixiang · Cao, Haishan · Cai, N.

International Journal of Hydrogen Energy 2023

Advantages

Stack temperature difference reduced from 60 K (air cooling) to 15 K

Inlet air has little effect on cell performance when liquid metal is used as coolant

Total pumping power consumption dramatically decreased