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:
Dec. 03, 2013
Filed:
Mar. 24, 2008
Yoshihiro Akasaka, Kawasaki, JP;
Masato Akita, Yokohama, JP;
Ryosuke Yagi, Kawasaki, JP;
Hiroyasu Sumino, Tokyo, JP;
Kazuhiro Yasuda, Yokohama, JP;
Taishi Fukazawa, Fuchu, JP;
Yoshihiro Akasaka, Kawasaki, JP;
Masato Akita, Yokohama, JP;
Ryosuke Yagi, Kawasaki, JP;
Hiroyasu Sumino, Tokyo, JP;
Kazuhiro Yasuda, Yokohama, JP;
Taishi Fukazawa, Fuchu, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A direct methanol fuel cell includes a cathode catalyst layer; an electrolyte membrane; an anode catalyst layer; a first fuel control layer that is water-repellent and conductive and that has pores; a second fuel control layer that is water-repellent and conductive and that has larger pores than the those of the first fuel control layer; a third fuel control layer that is water-repellent and conductive and that has smaller porous than those of the first fuel control layer and those of the second fuel control layer; and an anode GDL layer that is water-repellent and conductive, wherein the membrane and the layers above are arranged in the above order.