US 12,263,649 B2
Separators, batteries, systems, vehicles, and related methods
Xiaomin Zhang, Charlotte, NC (US); Gerald P. Rumierz, Fort Mill, SC (US); Karl F. Humiston, Tucson, AZ (US); Charles E. Haire, Lancaster, SC (US); Tyrone S. Fields, Charlotte, NC (US); Michael A Braswell, Charlotte, NC (US); Ronald A. Proctor, York, SC (US); and Ronnie E. Smith, Huntersville, NC (US)
Assigned to Celgard, LLC, Charlotte, NC (US)
Filed by Celgard, LLC, Charlotte, NC (US)
Filed on Dec. 4, 2023, as Appl. No. 18/527,415.
Application 18/527,415 is a division of application No. 18/076,068, filed on Dec. 6, 2022, granted, now 11,833,763.
Application 18/076,068 is a division of application No. 17/195,645, filed on Mar. 9, 2021, granted, now 11,557,812, issued on Jan. 17, 2023.
Application 17/195,645 is a division of application No. 16/070,817, granted, now 10,944,087, issued on Mar. 9, 2021, previously published as PCT/US2017/015230, filed on Jan. 27, 2017.
Application 16/070,817 is a continuation of application No. 15/009,888, filed on Jan. 29, 2016, abandoned.
Prior Publication US 2024/0100781 A1, Mar. 28, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B29C 65/00 (2006.01); B29C 48/00 (2019.01); B29C 48/08 (2019.01); B29C 48/10 (2019.01); B29C 48/18 (2019.01); B29C 48/21 (2019.01); B29C 48/32 (2019.01); B29C 48/88 (2019.01); B29C 48/92 (2019.01); B29C 55/00 (2006.01); H01M 50/406 (2021.01); H01M 50/411 (2021.01); H01M 50/417 (2021.01); H01M 50/423 (2021.01); H01M 50/426 (2021.01); H01M 50/449 (2021.01); H01M 50/457 (2021.01); H01M 50/463 (2021.01); H01M 50/491 (2021.01); H01M 50/494 (2021.01); B29C 55/14 (2006.01); B29C 55/16 (2006.01); B29D 99/00 (2010.01); B29K 23/00 (2006.01); B29L 31/00 (2006.01); B29L 31/34 (2006.01); H01M 10/0525 (2010.01); H01M 50/403 (2021.01)
CPC B29C 65/00 (2013.01) [B29C 48/0018 (2019.02); B29C 48/08 (2019.02); B29C 48/10 (2019.02); B29C 48/18 (2019.02); B29C 48/21 (2019.02); B29C 48/92 (2019.02); B29C 55/005 (2013.01); H01M 50/406 (2021.01); H01M 50/411 (2021.01); H01M 50/417 (2021.01); H01M 50/423 (2021.01); H01M 50/426 (2021.01); H01M 50/449 (2021.01); H01M 50/457 (2021.01); H01M 50/463 (2021.01); H01M 50/491 (2021.01); H01M 50/494 (2021.01); B29C 48/32 (2019.02); B29C 48/917 (2019.02); B29C 55/14 (2013.01); B29C 55/16 (2013.01); B29C 2948/92704 (2019.02); B29D 99/005 (2013.01); B29K 2023/12 (2013.01); B29L 2031/3468 (2013.01); B29L 2031/755 (2013.01); H01M 10/0525 (2013.01); H01M 50/403 (2021.01); H01M 2220/20 (2013.01); H01M 2220/30 (2013.01); Y02E 60/10 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A membrane comprising:
a microporous polymer film that provides a battery with at least 3C charge and/or discharge performance, the microporous polymer film having substantially round shaped pores, a mean flow pore diameter from 0.050 to 0.50 microns, and a JIS Gurley of from 25 to 69 seconds.