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:
May. 17, 2018
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Takeshi Tojigamori, Susono, JP;
Keita Sekizawa, Nagakute, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, Aichi-ken, JP;
Abstract
A main object of the present disclosure is to provide an all-solid-state battery with an excellent capacity durability. The present disclosure achieve the object by providing an all-solid-state battery comprising: a cathode active material layer, an anode active material layer, and a solid electrolyte layer formed between the cathode active material layer and the anode active material layer; wherein at least one of the cathode active material layer and the anode active material layer contains a sulfide solid electrolyte and a conductive auxiliary material; the conductive auxiliary material includes a carbon material Chaving a carboxyl group on its surface; and a weight ratio of the carboxyl group to overall of the carbon material Cis 8 weight % or more.