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.

Date of Patent:
Oct. 05, 2021

Filed:

Jul. 23, 2019
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Norihiro Ose, Sunto-gun, JP;

Tomoya Suzuki, Seto, JP;

Hajime Hasegawa, Susono, JP;

Kazuo Yaso, Susono, JP;

Hideaki Nishimura, Sunto-gun, JP;

Yuki Matsushita, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/62 (2006.01); H01M 50/581 (2021.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/13 (2013.01); H01M 4/625 (2013.01); H01M 4/628 (2013.01); H01M 50/581 (2021.01); H01M 2004/021 (2013.01); H01M 2200/103 (2013.01); H01M 2200/106 (2013.01); H01M 2220/20 (2013.01);
Abstract

An electrode for solid-state batteries, comprising a PTC resistor layer, and a solid-state battery comprising the electrode. The electrode may be an electrode for solid-state batteries, wherein the electrode comprises an electrode active material layer, a current collector and a PTC resistor layer which is disposed between the electrode active material layer and the current collector and which is in contact with the electrode active material layer; wherein the PTC resistor layer contains an electroconductive material, an insulating inorganic substance and a polymer; and wherein a surface roughness Ra of an electrode active material layer-contacting surface of the PTC resistor layer, is 1.1 μm or less.


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