B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/64 (2006.01) C25B 11/06 (2006.01) H01M 4/92 (2006.01) H01M 8/00 (2006.01)
Patent
CA 2607871
The invention relates to platinum-metal oxide composite particles and their use as electrocatalysts in oxygen-reducing cathodes and fuel cells. The invention particularly relates to methods for preventing the oxidation of the platinum electrocatalyst in the cathodes of fuel cells by use of these platinum-metal oxide composite particles. The invention additionally relates to methods for producing electrical energy by supplying such a fuel cell with an oxidant, such as oxygen, and a fuel source, such as hydrogen.
L'invention concerne des particules composites d'oxyde à base de platine métal et leur utilisation en tant qu'électrocatalyseurs dans des cathodes de réduction d'oxygène et dans des piles à combustible. L'invention concerne plus particulièrement des procédés destinés à empêcher l'oxydation de l'électrocatalyseur de platine dans les cathodes de piles à combustible au moyen desdites particules composites d'oxyde à base de platine métal. L'invention concerne également des procédés de production d'énergie électrique qui consistent à fournir ladite pile à combustible avec un oxydant tel que de l'oxygène et avec une source de combustible telle que de l'hydrogène.
Adzic Radoslav R.
Vukmirovic Miomir
Zhang Junliang
Brookhaven Science Associates
Piasetzki Nenniger Kvas Llp
LandOfFree
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