Bjerrum, Niels

Gang, Xiao

Gao, Ji-An

He, Ronghuan

Jensen, Jens Oluf

Qingfeng, Li

This paper will report recent results from our group on polymer fuel cells (PEMFC) based on the temperature resistant polymer polybenzimidazole (PBI), which allow working temperatures up to 200°C. The membrane has a water drag number near zero and need no water management at all. The high working temperature allows for utilization of the excess heat for fuel processing. Moreover, it provides an excellent CO tolerance of several percent, and the system needs no purification of hydrogen from a reformer. Continuous service for over 6 months at 150°C has been demonstrated

HIGH TEMPERATURE POLYMER FUEL CELLS:HEAT UTILIZATION AND CO TOLERANCE

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