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:
Sep. 17, 2024
Filed:
Jun. 02, 2015
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Hideyuki Saka, Toyota, JP;
Keiichi Takahashi, Nishinomiya, JP;
Hideaki Fujita, Kyotanabe, JP;
Tatsuya Hashimoto, Osaka, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Abstract
A non-aqueous secondary battery includes a positive electrode composite material layer. In a cross-section in a direction of thickness of the positive electrode composite material layer, the positive electrode composite material layer includes a first region including one end portion in a direction intersecting with the direction of thickness, a second region including the other end portion, and a third region lying between the first region and the second region. The first region is composed of a first composite material containing lithium iron phosphate and lithium nickel cobalt manganese composite oxide, and the second region is composed of a second composite material containing lithium iron phosphate and lithium nickel cobalt manganese composite oxide. The third region is composed of a third composite material containing lithium nickel cobalt manganese composite oxide.