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:
Apr. 07, 2020
Filed:
Oct. 21, 2016
SK Innovation Co., Ltd., Seoul, KR;
SK IE Technology Co., Ltd., Seoul, KR;
SK Innovation Co., Ltd., Seoul, KR;
SK IE TECHNOLOGY CO., LTD., Seoul, KR;
Abstract
A separator for a secondary battery includes a porous polymer sheet having a first surface, a second surface opposing the first surface, and a plurality of pores connecting the first surface to the second surface; and heat-resistant inorganic layers formed on at least one of the first surface or the second surface of the porous polymer sheet and on internal surfaces of the pores using an atomic layer deposition (ALD) process. The at least one of the first surface or the second surface and the internal surfaces of the pores have hydrophobically coated hydrophobic layers having hydrophobic functional groups on the heat-resistant inorganic layers.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile