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US 2015/0318559 A1Published application
Fuel cell catalyst treatment
AssigneeAudi AG
InventorsJesse M. Marzullo, Elise Lorraine Izzo, Robert Mason Darling
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Abstract
According to an embodiment, a method of preparing a catalyst for a fuel cell component includes soaking catalyst particles in citric acid. The catalyst particles are then rinsed after having been soaked in the citric acid. Catalyst particles are dried after they have been rinsed. When desired, the pre-treated catalyst particles may be incorporated into a catalyst ink used for making a fuel cell component.
Claims20
A method of preparing a catalyst for a fuel cell component, comprising the steps of:
- soaking catalyst particles in citric acid;
- and
- rinsing the catalyst particles after the soaking.
A catalyst prepared by the method, comprising the steps of:
- soaking catalyst particles in citric acid;
- and
- rinsing the catalyst particles after the soaking.
Dependencies are inferred from the claim text.