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1. WO2020090694 - BINDER FOR SECONDARY CELL ELECTRODE AND USE THEREOF

Publication Number WO/2020/090694
Publication Date 07.05.2020
International Application No. PCT/JP2019/042063
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 220/04 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
H01G 11/20 2013.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer capacitors; Processes for the manufacture thereof or of parts thereof
14Arrangements or processes for adjusting or protecting hybrid or EDL capacitors
20Reformation or processes for removal of impurities, e.g. scavenging
H01G 11/38 2013.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer capacitors; Processes for the manufacture thereof or of parts thereof
22Electrodes
30characterised by their material
32Carbon-based
38Carbon pastes or blends; Binders or additives therein
H01G 11/84 2013.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer capacitors; Processes for the manufacture thereof or of parts thereof
84Processes for the manufacture of hybrid or EDL capacitors, or components thereof
H01M 4/02 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
Applicants
  • 東亞合成株式会社 TOAGOSEI CO., LTD. [JP]/[JP]
Inventors
  • 仲野 朋子 NAKANO Tomoko
  • 廣本 昌徳 HIROMOTO Masanori
  • 斎藤 直彦 SAITO Naohiko
Agents
  • 特許業務法人 快友国際特許事務所 KAI-U PATENT LAW FIRM
Priority Data
2018-20315829.10.2018JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) BINDER FOR SECONDARY CELL ELECTRODE AND USE THEREOF
(FR) LIANT POUR ÉLECTRODE DE CELLULE 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)
Provided is a secondary cell electrode having excellent characteristics. There is used a binder for a secondary cell electrode containing a crosslinked polymer having a carboxyl group, or a salt thereof, the crosslinked polymer or salt thereof containing 30-100 mass% (inclusive) of structural units derived from an ethylenically unsaturated carboxylic acid monomer, the crosslinked polymer or salt thereof having a polyvalent metal ion content of 100 ppm or below.
(FR)
L'invention concerne une électrode de cellule secondaire ayant d'excellentes caractéristiques. On utilise un liant pour une électrode de cellule secondaire contenant un polymère réticulé ayant un groupe carboxyle, ou un sel de celui-ci, le polymère réticulé ou son sel contenant 30-100 % en masse (inclus) d'unités structurales dérivées d'un monomère d'acide carboxylique éthyléniquement insaturé, le polymère réticulé ou son sel ayant une teneur en ions métalliques polyvalents inférieure ou égale à 100 ppm.
(JA)
優れた特性の二次電池電極を提供する。カルボキシル基を有する架橋重合体又はその塩を含有する二次電池電極用バインダーとして、前記架橋重合体又はその塩は、エチレン性不飽和カルボン酸単量体に由来する構造単位を30質量%以上100質量%以下含有し、前記架橋重合体又はその塩の多価金属イオン含有量は、100ppm以下である、バインダーを用いる。
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