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. 04, 2025
Filed:
Apr. 28, 2020
Lg Energy Solution, Ltd., Seoul, KR;
Ji Hoon Ryu, Daejeon, KR;
Eun Bee Kim, Daejeon, KR;
Jung Pil Lee, Daejeon, KR;
Suk Woo Lee, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
Abstract
An all-solid-state secondary battery according to the present invention includes a positive electrode, a negative electrode, and a solid electrolyte formed between the positive electrode and the negative electrode, wherein the negative electrode is formed through a pre-lithiation process in which a powder mixture configured to form the negative electrode contacts lithium metal before battery assembly. Irreversible capacity is removed through the pre-lithiation process, whereby initial efficiency of the battery is improved, and the process is simplified, whereby mass production is possible and cost is reduced.