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. 24, 2015
Filed:
Aug. 25, 2011
Applicants:
Hyun-ki Park, Yongin-si, KR;
Dong-hee Han, Yongin-si, KR;
Jeong-doo Yi, Yongin-si, KR;
Ju-yong Kim, Yongin-si, KR;
Inventors:
Hyun-Ki Park, Yongin-si, KR;
Dong-Hee Han, Yongin-si, KR;
Jeong-Doo Yi, Yongin-si, KR;
Ju-Yong Kim, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/18 (2006.01); H01M 10/39 (2006.01); H01M 10/054 (2010.01); H01M 10/0562 (2010.01);
U.S. Cl.
CPC ...
H01M 10/3918 (2013.01); H01M 10/054 (2013.01); H01M 10/0562 (2013.01); H01M 10/3927 (2013.01); H01M 2300/0088 (2013.01); H01M 2300/0091 (2013.01);
Abstract
A solid electrolyte is disclosed. The solid electrolyte includes a main portion that includes β-alumina or β″-alumina, and an edge portion integrally provided with the main portion. The edge portion has a mixed portion that includes α-alumina and includes β alumina or β″-alumina. A concentration gradient of the α-alumina in the edge portion decreases in a first direction from the edge portion to the main portion.