公开(公告)号：US20230235158A1

公开(公告)日：2023-07-27

申请号：US18194091

申请日：2023-03-31

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

Inventor： Julio A. Abusleme ,  Riccardo Rino Pieri ,  Marco Alberto Spreafico

IPC: C08L27/16 ,  H01M4/62 ,  H01M50/426 ,  H01M50/403

CPC classification number: C08L27/16 ,  H01M4/623 ,  H01M50/426 ,  H01M50/403 ,  C08L2205/025 ,  C08L2203/20

Abstract: The present disclosure pertains to vinylidene fluoride copolymers comprising recurring units derived from hydrophilic (meth)acrylic monomers and fluoro monomers compositions, and to their use in the manufacturing of battery components, such as membrane separators and electrode binders, to said battery components and to electrochemical devices comprising said components. Processes of making said copolymers and electrodes and separators including the copolymers are also described.

公开(公告)号：US11936048B2

公开(公告)日：2024-03-19

申请号：US17055240

申请日：2019-05-16

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

Inventor： Marco Alberto Spreafico ,  Ségolène Brusseau ,  Julio A. Abusleme ,  Alessandro Ghielmi ,  Giulio Brinati

IPC: H01M4/62 ,  H01M4/04 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M4/02 ,  H01M10/052

CPC classification number: H01M4/623 ,  H01M4/0404 ,  H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M10/0525 ,  H01M2004/028 ,  H01M10/052 ,  Y02E60/10

Abstract: Positive electrode-forming compositions including a) at least one positive electrode active material (AM), b) at least one binder (B) comprising at least one vinylidene fluoride copolymer [polymer (A)] that includes repeating units derived from vinylidene fluoride (VDF), recurring units derived from a fluoroalkylvinyl ether (FVE) monomer and recurring units derived from at least one hydrophilic (meth)acrylic monomer (MA) and c) at least one solvent, a process for their manufacture and their use thereof for manufacturing electrodes fix high-capacity nickel-rich lithium ion batteries.