Back to results
US 2013/0096215 A1Published application
Hydrophobic Onium Salt Addition to Fuel Cell Electrode Inks for Improved Manufacturability
AssigneeGM Global Technology Operations LLC
InventorsRoland J. Koestner, Heidi M. Viterise, Irina Kozhinova
Life of this patent
Estimating the term…
Abstract
An ink composition for forming fuel cell electrodes includes a solvent system, an ion-conducting polymer dispersed within the solvent system, a supported catalyst dispersed within the solvent system; and an onium compound having a hydrophobic hydrocarbon moiety. The onium compound is substantially soluble in the solvent system.
Claims21
An ink composition for forming a fuel cell layer, the ink composition comprising:
- a solvent system;
- an ion-conducting polymer dispersed within the solvent system;
- a supported catalyst dispersed within the solvent system;
- and
- an onium compound having a hydrophobic hydrocarbon moiety, the onium compound being substantially soluble in the solvent system.
2 more elements
An ink composition for forming a fuel cell layer, the ink composition comprising:
- a solvent system;
- an ion-conducting polymer dispersed within the solvent system;
- a supported catalyst dispersed within the solvent system;
- and
- a primary ammonium compound including a hydrophobic hydrocarbon moiety selected from the group consisting of C5-C30 alkyl, C5-C30 alkenyl, and C6-C30 aryl.
2 more elements
A method for making a catalyst layer for a fuel cell, the method comprising:
- combining a first liquid composition with an onium compound to form a second liquid composition, the first liquid composition including a solvent system, a supported catalyst, and an ion-conducting polymer, the onium compound including a hydrophobic hydrocarbon moiety;
- and
- forming the catalyst layer from the second liquid composition.
Dependencies are inferred from the claim text.