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US 2024/0234748 A1Published application
Electrocatalyst ink
AssigneeJohnson Matthey Hydrogen Technologies Limited
InventorsAlejandro MARTINEZ BONASTRE, Daniel MARIN FLORIDO
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Abstract
The present invention provides a method of preparing an electrocatalyst ink, the method comprising a step of contacting a dispersion with a separation material.
Claims23
A method of preparing an electrocatalyst ink, the method comprising the steps of:
- i) preparing a dispersion comprising an electrocatalyst material, an ion-conducting material and a diluent;
- then
- ii) contacting the dispersion with a separation material comprising picolinic acid ester or picolinic acid amide functional groups immobilised on a solid support.
(canceled)
(canceled)
(canceled)
A method of preparing a membrane electrode assembly, the method comprising the steps of;
- i) preparing a gas diffusion electrode according to the method of claim 1613;
- ii) applying the gas diffusion electrode prepared in step i) to a face of an ion-conducting membrane.
22-23. (canceled)
Dependencies are inferred from the claim text.