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:
Mar. 03, 2020
Filed:
Jul. 17, 2017
Commissariat a L'energie Atomique ET Aux Energies Alternatives, Paris, FR;
Yohann Thomas, Grenoble, FR;
Anass Benayad, Grenoble, FR;
Arnaud Morin, Corenc, FR;
Joël Pauchet, Saint Martin d'Uriage, FR;
Maxime Schroder, Buironfosse, FR;
Abstract
The present invention relates to a gas diffusion layer for a fuel cell, made of a carbon substrate grafted with at least one aromatic group having formula (II): wherein: the asterisk * designates a carbon atom with no hydrogen and no Rgroup, with i=1 to 5, and covalently bonded to the carbon substrate; at least two of the R, R, R, R, and Rgroups are different from a hydrogen atom; at least two of the R, R, R, R, and Rgroups are hydrophobic groups or hydrophilic groups or a hydrophobic group and a hydrophilic group.