US 11,721,825 B1
Fuel cell and method of forming the same
David Allen Pettey, Portsmouth, RI (US); and Edmund Francis Bard, Cumberland, RI (US)
Assigned to RESPONSE TECHNOLOGIES, LLC, Coventry, RI (US)
Filed by Response Technologies, LLC, Coventry, RI (US)
Filed on Jan. 18, 2022, as Appl. No. 17/578,134.
Int. Cl. H01M 8/2475 (2016.01); H01M 8/1097 (2016.01); H01M 8/00 (2016.01); H01M 8/2404 (2016.01); H01M 8/1041 (2016.01)
CPC H01M 8/1097 (2013.01) [H01M 8/002 (2013.01); H01M 8/1055 (2013.01); H01M 8/2404 (2016.02); H01M 8/2475 (2013.01); H01M 2250/20 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A fuel cell comprising:
a flexible substrate comprising a first fuel-tolerant material;
a fitting on the flexible substrate, the fitting comprising first openings extending through an outer portion of the fitting;
a primer coating on the outer portion of the fitting, the primer coating comprising a second fuel-tolerant material;
first yarns strung through the first openings of the fitting, the first yarns stitched into the flexible substrate; and
an encapsulant encapsulating the first yarns, the primer coating, and the outer portion of the fitting, the encapsulant disposed on the flexible substrate, the encapsulant comprising a third fuel-tolerant material, the third fuel-tolerant material chemically bonded to the second fuel-tolerant material and the first fuel-tolerant material.