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:
Apr. 29, 2008
Filed:
Jun. 03, 2003
Hiromichi Nakata, Toyota, JP;
Masayoshi Yokoi, Okazaki, JP;
Kenji Shimoda, Nagoya, JP;
Noboru Takayanagi, Tajimi, JP;
Hiromichi Nakata, Toyota, JP;
Masayoshi Yokoi, Okazaki, JP;
Kenji Shimoda, Nagoya, JP;
Noboru Takayanagi, Tajimi, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;
Abstract
A separator of a fuel cell includes a base material and a surface treatment layer formed on the base material. The surface treatment layer includes a base material-side portion made from metal and a base material opposite-side portion made from carbon formed at an atom level or composite materials of carbon and metal or semi-metal. The surface treatment layer may further include carbon particle composite layer formed on the base material opposite-side portion formed at an atom level. In a manufacturing method of the above separator of a fuel cell, the base material opposite-side portion is formed by dry coating.