Correlating Electrolyte Inventory and Lifetime of HT-PEFC by Accelerated Stress Testing

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Correlating Electrolyte Inventory and Lifetime of HT-PEFC by Accelerated Stress Testing

Eberhardt, S. H.; Lochner, T.; Büchi, F. N.; Schmidt, T. J.

Journal of the Electrochemical Society, 01/2015, Letnik: 162, Številka: 12

Journal Article

Phosphoric acid electrolyte evaporation in a polybenzimidazole based high temperature polymer electrolyte fuel cell is analyzed as a function of reactant gas stoichiometry and temperature. Based on these results a phosphoric acid vapor pressure curve is derived to predict the fuel cell liftetime with respect to electrolyte inventory. The predicted fuel cell life was validated by means of an accelerated stress test. Additionally, the correlation between electrolyte inventory and fuel cell performance was investigated by recording H2/air and H2/O2 polarization curves during the course of the stress test to gain insight into the relation between acid inventory and the different degradation modes.

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Avtor

Eberhardt, S. H. | Lochner, T. | Büchi, F. N. | Schmidt, T. J.

Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.

Leto	Faktor vpliva		Izdaja		Kategorija		Razvrstitev
Leto	JCR	SNIP	JCR	SNIP	JCR	SNIP	JCR	SNIP

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Vnos na polico

Dodajanje gradiva na polico je uspelo.

Dodajanje gradiva na polico je spodletelo.

Dodajanje gradiva na polico ni bilo potrebno.

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