公开(公告)号：US12195601B2

公开(公告)日：2025-01-14

申请号：US17311039

申请日：2019-12-19

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

Inventor： Julio A. Abusleme ,  Maurizio Biso

IPC: C08J5/22 ,  C08F214/22 ,  C08F214/24 ,  H01G11/56 ,  H01M10/0525 ,  H01M10/0565

Abstract: The invention pertains to certain fluoropolymer-based hybrid organic/inorganic composites, to polymer electrolytes obtained therefrom and to use of said polymer electrolytes in electrochemical devices.

公开(公告)号：US10968362B2

公开(公告)日：2021-04-06

申请号：US16318128

申请日：2017-07-12

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

Inventor： Serena Carella ,  Elena Molena ,  Maurizio Biso ,  Giulio Brinati

IPC: H01M2/14 ,  H01M2/16 ,  C08F214/22 ,  C09D5/24 ,  C09D127/16

Abstract: The present invention pertains to a fluorosurfactant free aqueous dispersion of an acrylic-modified vinylidene fluoride polymer, possessing a melt viscosity of at least 30 kPoise, and possessing an amount of end groups of formula —CH2—OH of at least 5 mmol/kg, to a method for its preparation and to its use for the manufacture of electrochemical cell components, such as electrodes and/or composite separators.

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)].

公开(公告)号：US20250019561A1

公开(公告)日：2025-01-16

申请号：US18712653

申请日：2022-11-18

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

Inventor： Maurizio Biso ,  Wojciech Bzducha ,  Jean-Christophe Castaing ,  Stefano Mauri ,  David James Wilson

IPC: C09D133/26 ,  C08F220/06 ,  C08F220/28 ,  C08F220/56 ,  H01M4/04 ,  H01M4/62

Abstract: The present invention relates to a binder for a non-aqueous electrolyte rechargeable battery, a negative electrode slurry for a rechargeable battery, a negative electrode for a rechargeable battery, and a rechargeable battery comprising the same.

公开(公告)号：US20250002619A1

公开(公告)日：2025-01-02

申请号：US18799879

申请日：2024-08-09

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

Inventor： Julio A. Abusleme ,  Maurizio Biso ,  Ricardo Rino Pieri

IPC: C08F14/22 ,  C08F14/24 ,  C08F14/26 ,  C08F14/28 ,  C08F20/06 ,  H01M4/02 ,  H01M4/38 ,  H01M4/583 ,  H01M4/62

Abstract: The present invention pertains to vinylidene fluoride copolymers comprising recurring units derived from hydrophilic (meth)acrylic monomers and from perhalogenated monomers and to their use as binders for silicon negative electrodes.

公开(公告)号：US10450657B2

公开(公告)日：2019-10-22

申请号：US15536128

申请日：2015-12-18

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

Inventor： Paula Cojocaru ,  Francesco Maria Triulzi ,  Marco Apostolo ,  Maurizio Biso

IPC: H01M4/04 ,  H01M4/131 ,  H01M4/505 ,  H01M4/525 ,  C23C18/18 ,  H01M4/36 ,  H01M4/62 ,  C23C18/16 ,  C25D7/00 ,  C25D5/54 ,  C23C18/40 ,  H01M4/1391 ,  H01M4/02

Abstract: The present invention pertains to an electrode-forming composition comprising: (a) at least one fluoropolymer [polymer (F)]; (b) particles of at least one active electrode material [particles (P)], said particles (P) comprising: —a core comprising at least one active electrode compound [compound (NMC)] of formula (I): Li[Lix(ApBQCw)1-x]O2  (I) wherein A, B and C, different from each other, are selected from the group consisting of Fe, Ni, Mn and Co, x is comprised between 0 and 0.3, P is comprised between 0.2 and 0.8, preferably between 0.2 and 0.5, more preferably between 0.2 and 0.4, Q is comprised between 0.1 and 0.4, and W is comprised between 0.1 and 0.4, and —an outer layer consisting of a metal compound [compound (M)] different from Lithium, said outer layer at least partially surrounding said core; and (c) a liquid medium [medium (L)]. The present invention also pertains to a process for manufacturing said electrode-forming composition, to the use of said electrode-forming composition in a process for manufacturing a positive electrode and to the positive electrode obtainable therefrom.

公开(公告)号：US20250019480A1

公开(公告)日：2025-01-16

申请号：US18712622

申请日：2022-11-18

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

Inventor： Maurizio Biso ,  Wojciech Bzducha ,  Stefano Mauri ,  David James Wilson

IPC: C08F220/56 ,  C08F220/06 ,  C08F226/06 ,  H01M4/04 ,  H01M4/62

Abstract: The present invention relates to a binder for a non-aqueous electrolyte rechargeable battery, a negative electrode slurry for a rechargeable battery, a negative electrode for a rechargeable battery, and a rechargeable battery comprising the same.

公开(公告)号：US20230275232A1

公开(公告)日：2023-08-31

申请号：US18016404

申请日：2021-07-08

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

Inventor： Maurizio Biso ,  Libero Damen ,  William R. Tilford

IPC: H01M4/62 ,  H01M10/0525 ,  H01M4/583 ,  H01M4/38

CPC classification number: H01M4/622 ,  H01M10/0525 ,  H01M4/583 ,  H01M4/386 ,  H01M4/625 ,  H01M2004/027

Abstract: The present invention generally relates to blends of poly acrylic acid (PAA) and polyacrylamide (PAM) and their use as binders in negative electrodes for lithium ion batteries.

公开(公告)号：US20230178741A1

公开(公告)日：2023-06-08

申请号：US17995275

申请日：2021-03-24

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

Inventor： Maurizio Biso ,  Ricardo Rino Pieri ,  Eduardo Soriano ,  Kermit S. Kwan ,  Stefano Mauri

IPC: H01M4/62 ,  H01M4/38 ,  H01M4/583 ,  H01M10/0525

CPC classification number: H01M4/622 ,  H01M4/386 ,  H01M4/583 ,  H01M4/624 ,  H01M10/0525 ,  H01M2004/027

Abstract: The present invention pertains to lithiated polyamic acid derivatives and to their use as binders in electrodes for lithium ion batteries.

公开(公告)号：US11081760B2

公开(公告)日：2021-08-03

申请号：US15769408

申请日：2016-10-19

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

Inventor： Maurizio Biso ,  Elena Molena ,  Roberta Colombo

IPC: H01M2/16 ,  H01M50/449 ,  H01M10/0525 ,  H01M50/403 ,  H01M50/411 ,  H01M50/446 ,  C09D5/02 ,  C09D127/16 ,  H01G11/52 ,  H01G11/84

Abstract: The present invention pertains to an at least partially coated separator for an electrochemical cell, to a method for its preparation and to an electrochemical cell comprising such separator.