TETRAFLUOROETHYLENE-BASED POLYMER, BINDER FOR ELECTROCHEMICAL DEVICES, ELECTRODE MIX, ELECTRODE, AND SECONDARY BATTERY

TETRAFLUOROETHYLENE-BASED POLYMER, BINDER FOR ELECTROCHEMICAL DEVICES, ELECTRODE MIX, ELECTRODE, AND SECONDARY BATTERY

The disclosure provides a tetrafluoroethylene-based polymer for use in a binder for electrochemical devices which is homogenously mixable with powder components in electrochemical devices and is capable of providing a mixture sheet having excellent strength and excellent flexibility, and also provid...

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Bibliographische Detailangaben
Hauptverfasser: TOKUDA, Masato, NISHIMURA, Kenta, YAMANAKA, Taku, ATSUMO, Ken, INOUE, Ryo, TERADA, Junpei, YASUDA, Kohei, KATO, Taketo, YAMAMOTO, Emi, YAMADA, Takaya
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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Beschreibung
Zusammenfassung:The disclosure provides a tetrafluoroethylene-based polymer for use in a binder for electrochemical devices which is homogenously mixable with powder components in electrochemical devices and is capable of providing a mixture sheet having excellent strength and excellent flexibility, and also provides a binder for electrochemical devices, an electrode mixture, an electrode, and a secondary battery which are produced using the tetrafluoroethylene-based polymer. The tetrafluoroethylene-based polymer for use in a binder for electrochemical devices has an extrusion pressure at a reduction ratio of 2500 of 100 MPa or lower and is substantially free from water.