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. 27, 2020
Filed:
Jun. 17, 2016
Lg Chem, Ltd., Seoul, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
The present invention relates to a separation plate, a manufacturing method therefor, and a fuel cell stack comprising the same, and according to one aspect of the present invention, provided is a separation plate having: a first surface and a second surface in a direction opposite to that of the first surface; a plurality of channel elements protruding from the second surface toward the first surface, wherein each of the channel elements is arranged to have an inlet port and an outlet port along the flowing direction of a fluid flowing on the first surface; and a rib having a height varying along the circumferential direction of a virtual axis connecting the inlet port and the outlet port, wherein at least a partial region of an outer surface of the rib is formed into a cycloid curved surface along the circumferential direction of the virtual axis.