公开(公告)号：US20250105297A1

公开(公告)日：2025-03-27

申请号：US18714534

申请日：2022-11-25

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

Inventor： Stefano Millefanti ,  Alessio Marrani ,  Maurizio Biso ,  Stefano Mauri ,  Romain Debortoli ,  Fernand Gauthy ,  Vijay Kadam ,  Rahul Shingte

IPC: H01M4/62 ,  H01M4/02 ,  H01M4/04 ,  H01M4/1397 ,  H01M4/58

Abstract: Electrode compositions [binder (B)] for use in the preparation of electrodes for electrochemical devices, including a polytetrafluoroethylene (PTFE); and a low melting point VDF-based fluororesin [polymer (A)] having a melting point of less than 220° C., said polymer (A) comprising: at least 50% by moles of recurring units derived from VDF, with respect to all recurring units of said polymer (A), and recurring units derived from at least one comonomer (CM), said comonomer (CM) being selected from a hydrophilic (meth)acrylic comonomer [comonomer (MA)] and a fluorinated comonomer [comonomer (F)].