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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.:

US 10840507 B1

PDFFull Text
Date of Patent:
Nov. 17, 2020

Filed:

Aug. 21, 2017

Composite positive electrode active material for all-solid-state secondary battery, method for manufacturing same, positive electrode, and all-solid-state secondary battery

Applicant:

Osaka Prefecture University Public Corporation, Sakai, JP;

Inventors:

Satoru Watano, Sakai, JP;

Hideya Nakamura, Sakai, JP;

Assignee:

OSAKA PREFECTURE UNIVERSITY PUBLIC CORPORATION, Osaka, JP;

Attorneys:

Stites & Harbison, PLLC

Jeffrey A. Haeberlin

Primary Examiner:

Cynthia H Kelly

Assistant Examiner:

Monique M Wills

Int. Cl.
CPC ...
H01M 4/00 (2006.01); H01M 4/40 (2006.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/587 (2010.01); H01M 10/054 (2010.01); H01M 10/0562 (2010.01); H01M 4/36 (2006.01); H01M 10/052 (2010.01); H01M 4/48 (2010.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/405 (2013.01); H01M 4/36 (2013.01); H01M 4/40 (2013.01); H01M 4/48 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/58 (2013.01); H01M 4/587 (2013.01); H01M 10/052 (2013.01); H01M 10/054 (2013.01); H01M 10/0525 (2013.01); H01M 10/0562 (2013.01); H01M 2004/028 (2013.01); Y02E 60/10 (2013.01); Y02T 10/70 (2013.01);
Abstract

A composite positive electrode active material for an all-solid-state secondary battery containing particles of a positive electrode active material and a sulfide-based solid electrolyte layer coating surfaces of the particles, wherein the composite positive electrode active material has an average roundness that is 1.3 times or more of that of a positive electrode active material at an inner core of the composite positive electrode active material.

Find Patent Forward Citations

Watano, Satoru. (2020). Composite positive electrode active material for all-solid-state secondary battery, method for manufacturing same, positive electrode, and all-solid-state secondary battery (U.S. Patent No. 10840507). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10840507

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