H - Electricity – 01 – M
Patent
H - Electricity
01
M
H01M 4/90 (2006.01) B01J 23/52 (2006.01) H01M 4/96 (2006.01)
Patent
CA 2627312
The invention relates to gold-coated particles useful as fuel cell electrocatalysts. The particles are composed of an electrocatalytically active core at least partially encapsulated by an outer shell of gold or gold alloy. The invention more particularly relates to such particles having a noble metal- containing core, and more particularly, a platinum or platinum alloy core. In other embodiments, the invention relates to fuel cells containing these electrocatalysts and methods for generating electrical energy therefrom.
Particules revêtues d'or utiles comme électrocatalyseurs de pile à combustible. Les particules sont composées d'un noyau à activité électrocatalytique au moins en partie encapsulé par une coque externe en or ou en alliage d'or. L'invention concerne plus particulièrement des particules à noyau contenant un métal noble, et plus particulièrement un noyau en platine ou alliage de platine. Selon d'autres variantes, l'invention concerne des piles à combustible contenant ces électrocatalyseurs et des procédés pour la production d'énergie électrique par le biais de ces électrocatalyseurs.
Adzic Radoslav R.
Zhang Junliang
Brookhaven Science Associates
Piasetzki Nenniger Kvas Llp
LandOfFree
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