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.

Date of Patent:
Jan. 21, 2025

Filed:

Dec. 15, 2022
Applicants:

Hyundai Motor Company, Seoul, KR;

Kia Corporation, Seoul, KR;

Inventors:

Im Sul Seo, Jincheon-gun, KR;

Sang Heon Lee, Yongin-si, KR;

Sung Woo Noh, Seoul, KR;

Jeong Hyun Seo, Daejeon, KR;

Chung Bum Lim, Suwon-si, KR;

Ju Yeong Seong, Seongnam-si, KR;

Je Sik Park, Seoul, KR;

Assignees:

HYUNDAI MOTOR COMPANY, Seoul, KR;

KIA CORPORATION, Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); C01B 25/45 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/5825 (2013.01); C01B 25/45 (2013.01); C01P 2002/50 (2013.01); C01P 2004/02 (2013.01); C01P 2004/50 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2006/40 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01);
Abstract

A cathode material for sulfide-based all-solid-state batteries, in which LiV(PO)(LVP) is doped with a transition metal having an oxidation number of +5 or more and the surface of the cathode material is substituted with a halogen element so as to have improved surface stability and energy density and to suppress side reactions with a solid electrolyte, a manufacturing method thereof, and an all-solid-state battery using the same.


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