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:
Nov. 22, 2022
Filed:
Feb. 07, 2020
Applicant:
Dupont Safety & Construction, Inc., Wilmington, DE (US);
Inventor:
Byoung Sam Kang, Midlothian, VA (US);
Assignee:
DUPONT SAFETY & CONSTRUCTION, INC., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/24 (2021.01); D21H 13/26 (2006.01); D21H 17/55 (2006.01); D21H 17/68 (2006.01); D21H 27/00 (2006.01); H01M 50/44 (2021.01); H01M 50/411 (2021.01); H01M 50/463 (2021.01);
U.S. Cl.
CPC ...
H01M 50/24 (2021.01); D21H 13/26 (2013.01); D21H 17/55 (2013.01); D21H 17/68 (2013.01); D21H 27/00 (2013.01); H01M 50/411 (2021.01); H01M 50/44 (2021.01); H01M 50/463 (2021.01);
Abstract
A paper suitable for use as a cell-to-cell flame barrier in a battery, and a battery comprising the paper, the paper comprising 40 to 70 weight percent fibrids and 30 to 60 weight percent mica, based on the total weight of the fibrids and mica in the paper; wherein the fibrids comprise a blend of 80 to 20 weight percent polymer and 20 to 80 weight percent aerogel powder, based on the total weight of the polymer and aerogel powder in the fibrids; the paper having a thickness of 100 to 4000 micrometers.