公开(公告)号：US12125979B2

公开(公告)日：2024-10-22

申请号：US17437778

申请日：2020-03-11

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Ping Liu ,  Yejing Li

IPC: H01M10/0565 ,  H01M4/134 ,  H01M10/0562 ,  H01M50/414 ,  H01M50/434 ,  H01M50/449 ,  H01M50/497

CPC classification number: H01M10/0565 ,  H01M4/134 ,  H01M10/0562 ,  H01M50/414 ,  H01M50/434 ,  H01M50/449 ,  H01M50/497 ,  H01M2300/0071 ,  H01M2300/008 ,  H01M2300/0082 ,  H01M2300/0094

Abstract: A solid-state battery and process of forming the same is provided. The solid-state battery includes a first metal electrode. The solid-state battery includes a first mixed conductor disposed on the first metal electrode. The first mixed conductor includes a mixture of ionic and electronic conductors. The solid-state battery includes a pure ionic conductor disposed on the first mixed conductor. The solid-state battery includes a second metal electrode disposed on top of the pure ionic conductor.

公开(公告)号：US12125974B1

公开(公告)日：2024-10-22

申请号：US18485902

申请日：2023-10-12

Applicant: LG ENERGY SOLUTION, LTD. ,  THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Ping Liu ,  Junghwa Hong ,  Mengchen Liu ,  Ke Zhou ,  Jeong Woo Oh ,  Min-Sang Song

IPC: H01M10/0562

CPC classification number: H01M10/0562 ,  H01M2300/0068

Abstract: Disclosed is a sulfide-containing solid electrolyte material with an organic coating, as well as densified pellets containing this solid electrolyte material, a solid electrolyte thereof, and a solid state battery containing the solid electrolyte. According to aspects of the disclosure, the coating comprising a compound of Chemical Formula (1) or Chemical Formula (2) is formed on the surface of a sulfide-containing solid electrolyte material, e.g., the organic coating may comprise a compound having a thiol with a long hydrophobic tail, such as 1-undecanethiol. The coating provides densification of sulfide-containing solid electrolyte materials, and facilitates the ionic and lithium atomic diffusion coefficient at sulfide grain boundaries during pressing, thus achieving the densification of sulfide solid state electrolyte.

公开(公告)号：US20220013860A1

公开(公告)日：2022-01-13

申请号：US17282167

申请日：2019-10-03

Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

Inventor： Ping Liu ,  Matthew Gonzalez

IPC: H01M50/431 ,  H01M50/449 ,  H01M50/403 ,  H01M10/0565

Abstract: Systems and methods are disclosed for a battery that includes an anode, a separator between the anode and the cathode, a cathode, and a membrane coupled to the separator having a mixed electronic conductor and ionic conductor. A method may include casting a membrane onto a surface, dispersing carbon nanotubes in acetone to form a dispersion, adding a powder and dibutyl phthalate to the dispersion to form a polymer, and mixing the polymer. Another method may include casting a sheet of a composite, removing the sheet, and rinsing the sheet. Another method may further include casting a film, evaporating to form a dry film, and casting a mixture onto the dry film to form a bilayer membrane. Another method may further include casting a cathode, casting a CNT mixture onto the cathode, evaporating the cathode, and rinsing the cathode in ether.