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:
Feb. 15, 2022
Filed:
Aug. 19, 2019
Applicant:
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Inventors:
Tsutomu Nozoe, Funabashi, JP;
Ryuuta Yamaya, Narashino, JP;
Assignee:
SUMITOMO OSAKA CEMENT CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0525 (2010.01); H01M 4/133 (2010.01); H01M 4/139 (2010.01); H01M 4/36 (2006.01); H01M 4/136 (2010.01); H01M 4/587 (2010.01); H01M 4/58 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/366 (2013.01); H01M 4/133 (2013.01); H01M 4/136 (2013.01); H01M 4/587 (2013.01); H01M 4/5825 (2013.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01);
Abstract
A method of producing a positive electrode material for lithium-ion secondary batteries, which includes a pyrolyzed carbon coating, the method including a heat treatment step of thermally decomposing an organic compound using a rotary kiln to form a pyrolyzed carbon coating, wherein the organic compound is a carbon source that forms the pyrolyzed carbon coating of a positive electrode material.