US 12,215,228 B2
Separators, batteries, systems, and methods for idle start stop vehicles
J. Kevin Whear, Utica, KY (US); John R. Timmons, Owensboro, KY (US); Jeffrey K. Chambers, Piney Flats, TN (US); and Tejas R. Shah, Burlington, MA (US)
Assigned to Daramic, LLC, Charlotte, NC (US)
Filed by Daramic, LLC, Charlotte, NC (US)
Filed on Feb. 23, 2022, as Appl. No. 17/678,503.
Application 17/678,503 is a division of application No. 17/463,116, filed on Aug. 31, 2021.
Application 17/463,116 is a division of application No. 16/142,158, filed on Sep. 26, 2018, granted, now 11,104,804, issued on Aug. 31, 2021.
Application 16/142,158 is a division of application No. 13/239,483, filed on Sep. 22, 2011, granted, now 10,119,025, issued on Nov. 6, 2018.
Claims priority of provisional application 61/532,598, filed on Sep. 9, 2011.
Claims priority of provisional application 61/385,285, filed on Sep. 22, 2010.
Prior Publication US 2022/0186029 A1, Jun. 16, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. C08L 89/00 (2006.01); H01M 10/10 (2006.01); H01M 50/406 (2021.01); H01M 50/417 (2021.01); H01M 50/44 (2021.01); H01M 50/463 (2021.01); H01M 50/429 (2021.01)
CPC C08L 89/00 (2013.01) [H01M 10/10 (2013.01); H01M 50/406 (2021.01); H01M 50/417 (2021.01); H01M 50/44 (2021.01); H01M 50/463 (2021.01); H01M 50/429 (2021.01); Y02E 60/10 (2013.01); Y02T 10/70 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A membrane for an acid-containing battery, the membrane in the shape of a flat sheet, and wherein the membrane comprises a polymer, oil, and a filler comprised of silica and fish meal, wherein the filler comprises 10-50% fish meal, and the silica has a surface area greater than 200 m2/g.