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. 09, 2014
Filed:
Sep. 14, 2012
Applicant:
Tomoyuki Uezono, Toyota, JP;
Inventor:
Tomoyuki Uezono, Toyota, JP;
Assignee:
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/04 (2006.01); H01M 4/583 (2010.01); H01M 4/64 (2006.01); B05D 5/12 (2006.01); B60K 1/00 (2006.01);
U.S. Cl.
CPC ...
H01M 4/04 (2013.01); H01M 4/583 (2013.01); H01M 4/64 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01);
Abstract
A method for manufacturing a lithium secondary battery includes a first step of dispersing a conductive material in a solvent to prepare a conductive slurry; and a second step of mixing the prepared conductive slurry, a positive electrode active material and a binder to prepare a positive electrode mixture layer-forming slurry; wherein the first step is conducted so that a ratio of a particle size at 10% accumulation to a particle size at 90% accumulation, which are based on a particle size distribution measurement of the conductive material, is 10 or more and 200 or less.