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A high temperature PEM fuel cell stack with a total active area 150cm 2 has been studied. The PEM technology is based on a polybenzimidazole (PBI) membrane. Cast from a PBI polymer synthesised in our lab, the performance of a three-cell stack was analysed in static and dynamic modes. In static mode, operating at high constant oxygen flow rate (QO2>1105 ml O2/min) produces a small decrease...
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