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:
Jul. 14, 2020
Filed:
Jul. 19, 2016
Lg Chem, Ltd., Seoul, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
The present invention relates to a separator and a fuel cell stack comprising the same, and according to one aspect of the present invention, there is provided a separator comprising: a plurality of riblet elements arranged to be spaced apart at a predetermined interval; and a plurality of connecting bars connecting two adjacent riblet elements, wherein each of the riblet elements comprises a contact portion having a predetermined area, and a first partition wall and a second partition wall each extended from both sides of the contact portion, the space formed by the first partition wall, the contact portion and the second partition wall is opened along the connection direction of the connecting bar, and at least two riblet elements are provided such that each of the contact portions has a different area.