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:
Jul. 14, 2026
Filed:
Apr. 26, 2022
Electronics and Telecommunications Research Institute, Daejeon, KR;
Daegu Gyeongbuk Institute of Science and Technology, Daegu, KR;
Ju Young Kim, Sejong-si, KR;
Young-Gi Lee, Daejeon, KR;
Yong Min Lee, Daegu, KR;
Seok Hun Kang, Daejeon, KR;
Kwang Man Kim, Daejeon, KR;
Ju Mi Kim, Daejeon, KR;
Joonam Park, Daegu, KR;
Dong Ok Shin, Sejong-si, KR;
Jimin Oh, Daejeon, KR;
Myeong Ju Lee, Daejeon, KR;
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon, KR;
DAEGU GYEONGBUK INSTITUTE OF SCIENCE AND TECHNOLOGY, Daegu, KR;
Abstract
The present disclosure relates to an all-solid-state secondary battery, and more particularly, to an all-solid-state secondary battery including a positive electrode, a negative electrode, and a solid electrolyte layer disposed between the positive electrode and the negative electrode. Here, at least one of the positive electrode and the negative electrode includes a sulfide-based active material, the sulfide-based active material has a particle size of about 50 nm to about 5 μm, and the sulfide-based active material has a grain size of about 1 nm to about 10 nm.