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US 12,374,698 B1Granted
Ionomer components comprising selectively deposited catalysts and methods of making and using the same
AssigneeTriad National Security, LLC
InventorMahlon S. Wilson
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Abstract
Embodiments of ionomer components comprising selectively deposited catalysts are described. The ionomer component comprise a catalyst that is preferentially deposited on or in the vicinity of the ionomer component over other areas of electrochemical components that do not comprise the ionomer component. Also disclosed herein are novel methods and apparatus embodiments used to make the disclosed ionomer components and devices comprising the same.
Claims7
A method, comprising:
- providing an electrode comprising a gas diffusion layer, wherein the gas diffusion layer comprises (i) a microporous layer having an ionomer component embedded thereon and/or therein, and (ii) a base layer that does not comprise the ionomer component;
- providing a catalyst precursor;
- positioning the electrode adjacent to the catalyst precursor such that the catalyst precursor is positioned directly adjacent to the base layer of the gas diffusion layer such that the base layer is positioned between the catalyst precursor and the microporous layer;
- heating the electrode and the catalyst precursor at a temperature sufficient to vaporize the catalyst precursor thereby providing a vaporized catalyst precursor;
- and
- depositing a catalyst formed from the vaporized catalyst precursor on the ionomer component of the microporous layer of the gas diffusion layer of the electrode, wherein the catalyst is not deposited on the base layer.
3 more elements
Dependencies are inferred from the claim text.