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1. WO2020090695 - BINDER FOR SECONDARY BATTERY ELECTRODES, AND USE THEREOF

Publication Number WO/2020/090695
Publication Date 07.05.2020
International Application No. PCT/JP2019/042064
International Filing Date 25.10.2019
IPC
H01M 4/62 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
C08F 220/06 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
220Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof
02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
04Acids; Metals salts or ammonium salts thereof
06Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
C08F 220/20 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
220Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof
02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
10Esters
20of polyhydric alcohols or phenols
H01M 4/134 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
134Electrodes based on metals, Si or alloys
H01M 4/1395 2010.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
139Processes of manufacture
1395of electrodes based on metals, Si or alloys
H01M 4/36 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4Electrodes
02Electrodes composed of, or comprising, active material
36Selection of substances as active materials, active masses, active liquids
Applicants
  • 東亞合成株式会社 TOAGOSEI CO., LTD. [JP]/[JP]
Inventors
  • 西脇 篤史 NISHIWAKI Atsushi
  • 斎藤 直彦 SAITO Naohiko
  • 松崎 英男 MATSUZAKI Hideo
Agents
  • 特許業務法人 快友国際特許事務所 KAI-U PATENT LAW FIRM
Priority Data
2018-20522831.10.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) BINDER FOR SECONDARY BATTERY ELECTRODES, AND USE THEREOF
(FR) LIANT DESTINÉ À DES ÉLECTRODES DE BATTERIE SECONDAIRE, ET SON UTILISATION
(JA) 二次電池電極用バインダー及びその利用
Abstract
(EN)
In order to achieve both binding properties and the suppression of electrode slurry viscosity in secondary battery electrodes, a binder for secondary battery electrodes is provided. The binder has a crosslinked polymer or a salt thereof, and comprises a non-crosslinked structural unit and a crosslinked structural unit, wherein the non-crosslinked structural unit includes a non-crosslinked structural unit derived from an ethylenically unsaturated carboxylic acid monomer, and the crosslinked structural unit includes a crosslinked structural unit derived from a crosslinkable monomer which has two or more (meth)acryloyl groups in one molecule and has a hydroxyl group.
(FR)
Selon la présente invention, afin d'obtenir tant des propriétés de liaison que la suppression de la viscosité d'une suspension d'électrode dans des électrodes de batterie secondaire, il est fourni un liant destiné à des électrodes de batterie secondaire. Le liant a un polymère réticulé ou un sel associé, et comprend une unité structurale non réticulée et une unité structurale réticulée, l'unité structurale non réticulée comprenant une unité structurale non réticulée dérivée d'un monomère d'acide carboxylique éthyléniquement insaturé, et l'unité structurale réticulée comprend une unité structurale réticulée dérivée d'un monomère réticulable qui a deux groupes (méth) acryloyle ou plus dans une molécule et a un groupe hydroxyle.
(JA)
二次電池電極における結着性と電極スラリー粘度の抑制との両立を図るため、非架橋構造単位と架橋構造単位とを備え、前記非架橋構造単位は、エチレン性不飽和カルボン酸単量体に由来する非架橋構造単位を含み、前記架橋構造単位は、1分子中に(メタ)アクリロイル基を2個以上有し、かつ水酸基を有する架橋性単量体に由来する架橋構造単位を含む、架橋重合体又はその塩を有する二次電池電極バインダーを提供する。
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