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:
Feb. 10, 2026
Filed:
Jul. 01, 2022
Applicant:
Rivian Ip Holdings, Llc, Irvine, CA (US);
Inventors:
Soo Kim, Fremont, CA (US);
Sookyung Jeong, San Jose, CA (US);
Tae Kyoung Kim, Sunnyvale, CA (US);
Ki Tae Park, Santa Clara, CA (US);
Assignee:
Rivian IP Holdings, LLC, Irvine, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 10/0525 (2010.01); H01M 50/403 (2021.01); H01M 50/417 (2021.01); H01M 50/429 (2021.01); H01M 50/434 (2021.01); H01M 50/457 (2021.01); H01M 50/491 (2021.01); H01M 50/494 (2021.01);
U.S. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 10/0525 (2013.01); H01M 50/403 (2021.01); H01M 50/417 (2021.01); H01M 50/4295 (2021.01); H01M 50/434 (2021.01); H01M 50/457 (2021.01); H01M 50/491 (2021.01); H01M 50/494 (2021.01);
Abstract
A coated separator for a rechargeable battery includes a porous polymer sheet comprising a surface; and a coating disposed on the surface, the coating comprising a metal oxyhydroxide; wherein: the coating includes a greater HF score when normalized to that of AlO(OH) at 100%; a greater PFscore when normalized to that of AlO(OH) at 100%; or a greater LiOH score when normalized to that of AlO(OH) at 100%; or a combination of any two or more thereof.