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:
Jan. 07, 2025
Filed:
Aug. 29, 2023
Celgard, Llc, Charlotte, NC (US);
Kang Karen Xiao, Mississauga, CA;
Eric Joseph Penegar, Fort Mill, SC (US);
Takahiko Kondo, Shiga, JP;
Robert Nark, Fort Mill, SC (US);
Eric Robert White, Fort Mill, SC (US);
Xiaomin Zhang, Charlotte, NC (US);
Kristoffer K. Stokes, Lunenburg, MA (US);
Celgard, LLC, Charlotte, NC (US);
Abstract
In accordance with at least selected embodiments, a battery separator or separator membrane comprises one or more co-extruded multi-microlayer membranes optionally laminated or adhered to another polymer membrane. The separators described herein may provide improved strength, for example, improved puncture strength, particularly at a certain thickness, and may exhibit improved shutdown and/or a reduced propensity to split.