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. 25, 2024
Filed:
Jul. 14, 2021
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Toyo Kohan Co., Ltd., Kudamatsu, JP;
Hajime Hasegawa, Aichi-ken, JP;
Shigetaka Nagamatsu, Nagoya, JP;
Shinichirou Horie, Kudamatsu, JP;
Koh Yoshioka, Kudamatsu, JP;
Toshifumi Koyanagi, Kudamatsu, JP;
Etsuro Tsutsumi, Kudamatsu, JP;
Michio Kawamura, Kudamatsu, JP;
Yuma Yoshizaki, Kudamatsu, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
TOYO KOHAN CO., LTD., Kudamatsu, JP;
Abstract
Provided is a sulfide all-solid battery having an anode current collector of powerful adhesiveness which is difficult to be sulfurized. The sulfide all-solid-state battery including: a cathode layer; an anode layer; and a sulfide solid electrolyte layer disposed between the cathode layer and the anode layer, wherein the anode layer has an anode mixture layer, and an anode current collector on a face of the anode mixture layer, the face being on an opposite side of the sulfide solid electrolyte layer, the anode current collector is electrolytic iron foil that does not substantially contain other elements, and the anode current collector has surface roughness Ra of 0.2 μm to 0.6 μm, and surface roughness Rz of 2 μm to 6 μm.