公开(公告)号：US20240343579A1

公开(公告)日：2024-10-17

申请号：US18293744

申请日：2022-08-01

Applicant: SPECIALTY OPERATIONS FRANCE

Inventor： Lauriane D'Alencon ,  Diego Lopez Gonzalez ,  Jules Valente ,  Thierry Le Mercier

IPC: C01B25/14 ,  H01M10/0562

CPC classification number: C01B25/14 ,  H01M10/0562 ,  C01P2002/82 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/40 ,  H01M2300/008

Abstract: The present disclosure relates to The present disclosure relates to a powder of solid material particles comprising at least Li, P and S elements, characterized in that the thiol to carbonate surface groups ratio of the particle surface is less than 2, as measured by diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) on a Bruker FTIR (MIR) Vertex 70 spectrometer. The present disclosure also relates to a process for preparing such powder, as well as to the use of such powder for notably manufacturing solid electrolytes or battery articles.

公开(公告)号：US20240413387A1

公开(公告)日：2024-12-12

申请号：US18701469

申请日：2022-10-11

Applicant: SPECIALTY OPERATIONS FRANCE

Inventor： Lauriane D'Alencon ,  Jules Valente ,  Thierry Le Mercier

IPC: H01M10/0562 ,  C01B25/14 ,  H01M10/0525 ,  H01M50/446

Abstract: The present disclosure relates to a powder of solid material particles of formula (I): LiaPSbXc wherein—X represents at least one halogen element; —a represents a number from 2.0 to 7.0; —b represents a number from 3.0 to 6.0; and —c represents a number from 0 to 3.0, wherein the powder has a d50-value of less than 50 μm, characterised in that its L* value in the L*a*b* color system is less than 60.0. The present disclosure also relates to a process for preparing such powder, as well as to the use of such powder for notably manufacturing solid electrolytes or battery articles.