公开(公告)号：US20210036331A1

公开(公告)日：2021-02-04

申请号：US16969049

申请日：2019-02-19

Applicant: Arkema France

Inventor： Alexander Korzhenko ,  Dominique Plee

IPC: H01M4/66 ,  H01M4/62

Abstract: An active material formulation comprising a sulfur-based material and an electrically conductive composition is described, wherein the electrically conductive composition comprises carbon nanotubes and carbon fibers. A process is also described for preparing the active material formulation, a catholyte comprising the formulation, a cathode comprising the catholyte and an accumulator comprising the cathode.

公开(公告)号：US12199287B2

公开(公告)日：2025-01-14

申请号：US17263721

申请日：2019-07-25

Applicant: Arkema France

Inventor： Dominique Plee ,  Fabrice Domingues Dos Santos ,  Gregory Schmidt

IPC: H01M4/62 ,  C08F214/22 ,  C08L27/16 ,  H01M4/04 ,  H01M4/134 ,  H01M4/1395 ,  H01M4/36 ,  H01M4/38 ,  H01M10/0525

Abstract: The invention relates to an anode for a Li-ion rechargeable battery, said anode being covered with a protective film based on fluorinated copolymer(s). The invention also relates to the processes for preparing this anode. The invention also relates to a Li-ion rechargeable battery comprising an anode according to the invention. The invention lastly relates to the use of fluorinated copolymer(s) as film for covering an anode for a lithium-ion battery comprising a negative electrode active material.