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:
Jun. 23, 2020
Filed:
Nov. 28, 2017
Kabushiki Kaisha Toyota Jidoshokki, Kariya-shi, Aichi-ken, JP;
Yuki Sugimoto, Aichi-ken, JP;
Atsushi Minagata, Aichi-ken, JP;
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, Kariya-shi, Aichi-ken, JP;
Abstract
A bipolar electrode includes a metal foil, a first active material layer provided on a front surface of the metal foil, and a second active material layer having a larger area than the first active material layer and provided on a rear surface of the metal foil. The second active material layer includes a low density region disposed in a peripheral portion in plan view as viewed from a thickness direction of the metal foil, and a high density region disposed more inside than the low density region and having a smaller porosity than the low density region.