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:
Dec. 03, 2024
Filed:
Mar. 26, 2019
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Mayumi Mikami, Kanagawa, JP;
Jun Ishikawa, Kanagawa, JP;
Miku Fujita, Kanagawa, JP;
Kazuhei Narita, Tokyo, JP;
Semiconductor Energy Laboratory Co., Ltd., Atsugi, JP;
Abstract
A negative electrode active material with high capacity and excellent cycle performance and rate performance is provided. In addition, a secondary battery including the negative electrode active material, and an electronic device including the secondary battery are provided. Nanosilicon is mixed with a solid electrolyte containing lithium, titanium, phosphorus, and oxygen, and graphene oxide is further added thereto. Then, graphene oxide contained in the mixture is reduced with ethanol in which ascorbic acid and lithium hydroxide hydrate are dissolved, so that the negative electrode active material is manufactured.