公开(公告)号：US20250046801A1

公开(公告)日：2025-02-06

申请号：US18290381

申请日：2022-02-22

Applicant: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION

Inventor： Kyu Tae LEE ,  Bomee KWON ,  Jeongeun OH ,  Seunghyeon JO

IPC: H01M4/38 ,  H01M4/02 ,  H01M4/04 ,  H01M4/134 ,  H01M4/66 ,  H01M10/052

Abstract: The present invention relates to a lithium metal thin film composite and a method for preparing the lithium metal thin film composite, the lithium metal thin film composite comprising: a plate-shaped support having at least one surface coated with an inorganic material; and a lithium metal thin film formed by a plurality of spherical lithium metal fine particles coming into contact with one another on the plate-shaped support, and the method comprising a step of growing a plurality of spherical lithium metal fine particles on the plate-shaped support by applying a current to a lithium supply source and the plate-shaped support immersed in an electrolyte solution, wherein the plate-shaped support has at least one surface coated with an inorganic material, and the electrolyte solution is stirred at one or more points selected from among before applying the current, after applying the current, and while applying the current.