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:
May. 26, 2026
Filed:
Jul. 02, 2021
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Panasonic Holdings Corporation, Kadoma, JP;
Toru Sugiyama, Nagakute, JP;
Shinya Shiotani, Nagoya, JP;
Takeshi Usami, Toukai, JP;
Akinobu Miyazaki, Kadoma, JP;
Izuru Sasaki, Kadoma, JP;
Norihito Fujinoki, Kadoma, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
PANASONIC HOLDINGS CORPORATION, Kadoma, JP;
Abstract
Disclosed is a positive electrode material having inhibited increase in heat release when exposed to high temperature. The positive electrode material of the disclosure comprises a positive electrode active material, a first solid electrolyte and a second solid electrolyte, wherein the positive electrode active material comprises a lithium-containing oxide, the first solid electrolyte comprises Li and X as constituent elements and comprises no S, X is one or more elements selected from the group consisting of F, Cl, Br and I, the second solid electrolyte comprises Li and S as constituent elements, the first solid electrolyte covers at least part of the surface of the positive electrode active material, the second solid electrolyte contacts with the positive electrode active material across the first solid electrolyte, and the average covering thickness of the first solid electrolyte is 104 nm or greater.