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. 28, 2014
Filed:
Jan. 09, 2008
Matthias Bronold, Berlin, DE;
Thorsten Baumann, Berlin, DE;
Marco Gruner, Biederitz, DE;
Immanuel Rosenfeld, Berlin, DE;
Matthias Bronold, Berlin, DE;
Thorsten Baumann, Berlin, DE;
Marco Gruner, Biederitz, DE;
Immanuel Rosenfeld, Berlin, DE;
Samsung SDI Co., Ltd., , KR;
Abstract
A COseparator for a direct methanol fuel cell (DMFC) includes a single-layered membrane or a multi-layered membrane. In addition, (i) the membrane has a plurality of diffusion channels extending from an inside of the membrane to an outside of the membrane facing the inside, and mean diameters of the diffusion channels on the outside of the membrane are at least three-times greater than mean diameters of the diffusion channels on the inside of the membrane; and (ii) the inside and the outside of the membrane, and inner surfaces of the diffusion channels are hydrophobic.