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:
Aug. 15, 2017
Filed:
Jun. 28, 2011
Applicants:
Yasuta Koike, Tajimi, JP;
Takashi Achiha, Kobe, JP;
Takahiro Kamiya, Tajimi, JP;
Inventors:
Assignee:
TYK CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F27D 5/00 (2006.01); F27D 3/12 (2006.01); F27D 1/00 (2006.01); B32B 18/00 (2006.01); C04B 35/101 (2006.01); C04B 35/117 (2006.01); C04B 35/18 (2006.01); C04B 35/443 (2006.01); C04B 35/64 (2006.01); H01M 4/139 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
F27D 5/0068 (2013.01); B32B 18/00 (2013.01); C04B 35/1015 (2013.01); C04B 35/117 (2013.01); C04B 35/18 (2013.01); C04B 35/443 (2013.01); C04B 35/64 (2013.01); F27D 1/0006 (2013.01); F27D 3/12 (2013.01); H01M 4/139 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/3222 (2013.01); C04B 2235/3418 (2013.01); C04B 2235/3463 (2013.01); C04B 2235/3481 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/77 (2013.01); C04B 2235/80 (2013.01); C04B 2235/96 (2013.01); C04B 2235/9692 (2013.01); C04B 2237/341 (2013.01); C04B 2237/343 (2013.01); C04B 2237/58 (2013.01); H01M 10/0525 (2013.01); Y10T 428/1314 (2015.01);
Abstract
A container for heat treatment of a positive-electrode active material for a lithium-ion battery to the present invention is characterized by having a base portion containing 60 to 95 mass % of alumina, and a surface portion containing 20 to 80 mass % of spinel and formed integrally with the base portion. Moreover, a production method of the present invention is characterized by comprising a step of placing an alumina-based powder, a step of placing a spinel-based powder above the alumina-based powder, a step of forming a compact by compressing the powders and a step of firing the compact.