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US 12,668,665 B2Granted
Antioxidant for fuel cell having antioxidative property and proton conductivity and producing method thereof
AssigneesHyundai Motor Company, Kia Corporation
InventorIl Seok Chae
Life of this patent
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Abstract
Disclosed are an antioxidant for a fuel cell having both antioxidative properties and proton conductivity, and a method of producing the same. The antioxidant may include: a metal oxide having antioxidant properties; and a proton conductive functional group bonded to the metal oxide, in which the proton conductive functional group may include a sulfonic acid group attached to the metal oxide by a sulfonation bond.
Claims16
An antioxidant for a fuel cell, comprising:
- a metal oxide;
- and
- a proton conductive functional group bonded to the metal oxide,
- wherein the proton conductive functional group comprises a sulfonic acid group attached to the metal oxide by a sulfonation bond,
- wherein the proton conductive functional group is represented by the following Formula 1:
- wherein * is a connection site to the metal oxide, and
- n is an integer of 1 to 10.
4 more elements
A method of producing an antioxidant for a fuel cell, comprising:
- preparing an admixture including metal oxide, sultone, and a solvent;
- and
- reacting the admixture,
- wherein a proton conductive functional group comprising a sulfonic acid group is attached to the metal oxide by a sulfonation bond.
1 more element
Dependencies are inferred from the claim text.