The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 29, 2024
Filed:
Mar. 21, 2019
Vanderbilt University, Nashville, TN (US);
Peter N. Pintauro, Brentwood, TN (US);
John Slack, Nashville, TN (US);
VANDERBILT UNIVERSITY, Nashville, TN (US);
Abstract
An ink for forming nanofiber fuel cell electrodes, and methods of ink formulations, and membrane-electrode-assemblies for electrochemical devices. The ink includes a first amount of a catalyst, a second amount of an ionomer in a salt form, and a third amount of a carrier polymer dispersed in one or more solvents, where a weight ratio of the first amount to the second and third amounts is in a range of about 1-1.5, and a weight ratio of the second amount to the third amount is in a range of about 1-3. The ink has a solids concentration in a range of about 1-30 wt %. Preferably, the solids concentration is in a range of about 10-15%.