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. 25, 2025
Filed:
Sep. 03, 2021
Lg Energy Solution, Ltd., Seoul, KR;
Hye-Ri Jung, Daejeon, KR;
Jung-Pil Lee, Daejeon, KR;
Hoe-Jin Hah, Daejeon, KR;
Hyea-Eun Han, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
Abstract
A solid-state battery comprising a positive electrode, a negative electrode, and a solid electrolyte membrane between the positive electrode and the negative electrode, the solid electrolyte membrane including a first solid electrolyte layer and a second solid electrolyte layer, is provided. The first solid electrolyte layer faces the positive electrode and includes a first sulfide-based solid electrolyte, and the second solid electrolyte layer includes a second sulfide-based solid electrolyte having an average particle diameter (D50) larger than an average particle diameter (D50) of the first sulfide-based solid electrolyte.