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:
Nov. 07, 2017
Filed:
Jun. 18, 2009
Sridhar V. Kanuri, Milford, CT (US);
Richard D Breault, North Kingstown, RI (US);
Kishore Kumar Tenneti, Vernon, CT (US);
Ned E. Cipollini, Enfield, CT (US);
Sridhar V. Kanuri, Milford, CT (US);
Richard D Breault, North Kingstown, RI (US);
Kishore Kumar Tenneti, Vernon, CT (US);
Ned E. Cipollini, Enfield, CT (US);
DOOSAN FUEL CELL AMERICA, INC., South Windsor, CT (US);
Abstract
A stack () of fuel cells () is provided with barriers () to prevent migration of a liquid electrolyte (such as phosphoric acid) out of the cells (). The barrier () is secured within a step () defined within a land region () of a separator plate assembly () and extends from an edge () of the separator plate assembly () all or a portion of a distance between the edge () and a flow channel () defined within the separator plate assembly (). The barrier () also extends away from the edge () a distance of between 0.051 and 2.0 millimeters (2 and 80 mils). The barrier () includes a hydrophobic, polymeric film (), a pressure sensitive adhesive (), as an assembly aid, and a fluoroelastomer bonding agent ().