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:
Feb. 15, 2022

Filed:

Dec. 27, 2019
Applicant:

Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;

Inventors:

Tatsuya Ikenuma, Kanagawa, JP;

Yumiko Yoneda, Kanagawa, JP;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/133 (2010.01); H01M 4/04 (2006.01); H01M 4/587 (2010.01); C01B 32/184 (2017.01); H01M 4/62 (2006.01); H01M 4/1393 (2010.01);
U.S. Cl.
CPC ...
H01M 4/133 (2013.01); C01B 32/184 (2017.08); H01M 4/049 (2013.01); H01M 4/0416 (2013.01); H01M 4/1393 (2013.01); H01M 4/587 (2013.01); H01M 4/625 (2013.01); Y02E 60/10 (2013.01); Y02E 60/13 (2013.01);
Abstract

To provide graphene oxide that has high dispersibility and is easily reduced. To provide graphene with high electron conductivity. To provide a storage battery electrode including an active material layer with high electric conductivity and a manufacturing method thereof. To provide a storage battery with increased discharge capacity. A method for manufacturing a storage battery electrode that is to be provided includes a step of dispersing graphene oxide into a solution containing alcohol or acid, a step of heating the graphene oxide dispersed into the solution, and a step or reducing the graphene oxide.


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