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:
Sep. 15, 2026
Filed:
May. 25, 2022
Applicant:
Rivian Ip Holdings, Llc, Irvine, CA (US);
Inventors:
Soo Kim, Fremont, CA (US);
Majid Talebiesfandarani, Emeryville, CA (US);
Sookyung Jeong, San Jose, CA (US);
Rubayyat Mahbub, Fremont, CA (US);
Muratahan Aykol, San Jose, CA (US);
Tae Kyoung Kim, Albany, CA (US);
Ki Tae Park, Santa Clara, CA (US);
Assignee:
Rivian IP Holdings, LLC, Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); C01B 25/45 (2006.01); H01M 4/36 (2006.01); H01M 4/505 (2010.01); H01M 4/587 (2010.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); C01B 25/45 (2013.01); H01M 4/366 (2013.01); H01M 4/505 (2013.01); H01M 4/587 (2013.01);
Abstract
An electrode active material includes a dopant (M) and a lithium manganese iron phosphate host material represented as LiMMnFePO, wherein the dopant is a transition metal or main group metal, and the electrode active material exhibits an increased ionic conductivity compared to a lithium manganese iron phosphate (LiMnFePO) without the dopant, wherein x is 0.01 to 0.15, and y is 0.30 to 0.85.