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:
May. 31, 2016
Filed:
Mar. 14, 2011
Yun-kyung JO, Jyunggi-do, KR;
Chan-jung Kim, Jyunggi-do, KR;
Suk-jung Son, Jyunggi-do, KR;
Mi-young Jang, Jyunggi-do, KR;
Yun-Kyung Jo, Jyunggi-do, KR;
Chan-Jung Kim, Jyunggi-do, KR;
Suk-Jung Son, Jyunggi-do, KR;
Mi-Young Jang, Jyunggi-do, KR;
SAMSUNG SDI CO., LTD., Yongin-si, Gyeonggi-do, KR;
Abstract
An electrode assembly includes a positive electrode including a positive electrode current collector and a positive electrode active material layer on the positive electrode current collector, a negative electrode including a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector, and a separator between the positive and negative electrodes, the separator including a heat-resistive unit and a lubrication unit, the heat-resistive unit having a heat-resistive material, and the lubrication unit being at an inner front end of the spirally winding separator and having a friction coefficient that is lower than that of the heat-resistive unit.