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US 11,283,093 B2Granted
Method for manufacturing electrode, electrode manufactured thereby, membrane-electrode assembly comprising same electrode, and fuel cell including same membrane-electrode assembly
OwnerJung Ho Kim, Hyeong Su Kiminventors
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Abstract
Disclosed are a method for manufacturing an electrode, an electrode manufactured thereby, a membrane-electrode assembly including the electrode, and a fuel cell containing the membrane-electrode assembly. The method includes the steps of: preparing an electrode forming composition by mixing a catalyst with an ionomer; applying a low-frequency acoustic energy to the electrode forming composition to perform resonant vibratory mixing so as to coat the ionomer on the surface of the catalyst; and coating the electrode forming composition to manufacture an electrode.
Claims5
A method for manufacturing an electrode, the method comprising the steps of:
- preparing an electrode forming composition comprising a catalyst and an ionomer;
- performing resonant vibratory mixing of the electrode forming composition by applying a low-frequency acoustic energy to the electrode forming composition, such at an amount of a first ionomer coated on a surface of the catalyst with a thickness of 5 nm or less is 55 to 95 wt % with respect to a total weight of the ionomer;
- and
- coating the electrode forming composition to manufacture an electrode.
1 more element
Dependencies are inferred from the claim text.