BINDER COMPOSITION FOR ELECTRICITY STORAGE DEVICES, SLURRY FOR ELECTRICITY STORAGE DEVICE ELECTRODES, ELECTRICITY STORAGE DEVICE ELECTRODE, AND ELECTRICITY STORAGE DEVICE

BINDER COMPOSITION FOR ELECTRICITY STORAGE DEVICES, SLURRY FOR ELECTRICITY STORAGE DEVICE ELECTRODES, ELECTRICITY STORAGE DEVICE ELECTRODE, AND ELECTRICITY STORAGE DEVICE

Provided is a binder composition for an electrical storage device, which enables the production of an electrical storage device electrode being excellent in flexibility and adhesiveness, and showing a satisfactory charge-discharge durability characteristic. The binder composition for an electrical s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAIJO, Souichi, NAKAYAMA, Takuya, OTSUKA, Yoshiharu
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOSITIONS BASED THEREON
ELECTRICITY
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Zusammenfassung:Provided is a binder composition for an electrical storage device, which enables the production of an electrical storage device electrode being excellent in flexibility and adhesiveness, and showing a satisfactory charge-discharge durability characteristic. The binder composition for an electrical storage device according to the invention includes: a polymer (A); and a liquid medium (B), wherein, with respect to 100 parts by mass in total of repeating units contained in the polymer (A), the polymer (A) contains: 20 parts by mass to 60 parts by mass of a repeating unit (a1) derived from a conjugated diene compound; 35 parts by mass to 75 parts by mass of a repeating unit (a2) derived from an aromatic vinyl compound; and 1 part by mass to 10 parts by mass of a repeating unit (a3) derived from an unsaturated carboxylic acid, and wherein a THF-soluble component of the polymer (A) has a weight average molecular weight of from 100,000 to 600,000.