Flexible micro temperature, voltage and current sensors for local real-time microscopic diagnosis inside high temperature proton exchange membrane fuel cell stack

This study used NI PXI 2575 data acquisition unit for real-time microscopic diagnosis of local temperature, voltage and current information at 150 °C operating temperature and constant current (5, 15, 30 A) inside the high temperature fuel cell stack, and found that the nonuniform temperature distribution in the fuel cell stack resulted in nonuniform voltage and current distributions and hot stack.