D.2.1 – Test station validation report

Abstract: CLEANER project examines the use of industrial grade hydrogen as a fuel in PEM hydrogen fuel cells. The cost of hydrogen can be reduced, if the purity requirements can be alleviated. VTT Climate container has been selected to function as a platform for testing the impurity tolerant fuel cell systems developed in the project. The test bench operation was tested and validated in Task 2.1 and the results are reported here. The test bench was updated with additional cooling capacity, impurity supply to the fuel line, and Micro GC to monitor exhaust gases. The test bench was tested by running a 25-kW fuel cell system in it. All the tested subsystems proved to reach presumed operability and allow running a 100-kW fuel cell system in the test bench. The impurity mixing to the fuel line was tested without fuel supply. The impurity feed controllability was precise and changing of flow conditions had no effect on it.