The impact of the operational parameters on the PEM fuel cell long-term performance
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Durability represents one of the major barriers to the progress of
the Proton Exchange Membrane Fuel Cells (PEMFCs). To
elucidate the degradation of these devices, it is important to
understand the issues regarding the long-term operation of
PEMFCs. Thus, in this work it was analyzed the influence of the
operational parameters such as relative humidity, cell temperature
and the reactant flow rates on the long-term performance through
experiments of 500 hours at steady state. It was observed that the
degree of humidification strongly influences on the long-term
performance. The test which presented the lowest global loss of
performance (with both irreversible and reversible losses) was the
one with the temperatures of the humidifiers and cell all set as
75°C and the reactants flow rates set as 300 and 200 ml.min-1 for
the H2 and O2, respectively. Therefore, the water management is a
key point in order to obtain better performances in long-term
operation of PEMFCs.
Como referenciar
ANDREA, V.; OLIVEIRA, P.S.P.; SANTIAGO, E.I.; LINARDI, M. The impact of the operational parameters on the PEM fuel cell long-term performance. ECS Transactions, v. 71, n. 1, p. 233-238, 2016. DOI: 10.1149/07101.0233ecst. Disponível em: http://repositorio.ipen.br/handle/123456789/26840. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.