#KUREHA CORP [JP]

VINYLIDENE FLUORIDE POLYMER COMPOSITION AND METHOD FOR PRODUCING SAME, RESIN COMPOSITION, ELECTRODE MIXTURE, ELECTRODE CONTAINING THESE, AND METHOD FOR PRODUCING SAME

An objective is to provide a vinylidene fluoride polymer composition that is difficult to swell and dissolve in N-methyl-2-pyrrolidone and can form an electrode with a smooth surface. The vinylidene f…

DRIVE·Oct 22·2 min read

C08F214/225 KUREHA CORP [JP]

VINYLIDENE FLUORIDE POLYMER POWDER, BINDER COMPOSITION, ELECTRODE MIXTURE, AND PRODUCTION METHOD FOR ELECTRODE

The vinylidene fluoride polymer powder according to the present invention is a vinylidene fluoride polymer powder having a median diameter of 50 µm or less as determined by a laser diffraction scatter…

DRIVE·Oct 2·2 min read

C08F114/22 KUREHA CORP [JP]

POSITIVE ELECTRODE MIX FOR LITHIUM ION SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND METHOD FOR MANUFACTURING LITHIUM ION SECONDARY BATTERY

The present application is to provide a positive electrode mix for a lithium ion secondary battery that can be produced regardless of type of a binder, that can be produced more simply and easily rath…

DRIVE·Mar 27·2 min read

H01M10/0525 KUREHA CORP [JP]

METHOD AND APPARATUS FOR PRODUCING CARBONACEOUS MATERIAL FOR NEGATIVE ELECTRODES OF NONAQUEOUS ELECTROLYTE SECONDARY BATTERIES

There are provided a method capable of producing a large amount of a carbonaceous material for a negative electrode of a non-aqueous electrolyte secondary battery from a carbon precursor impregnated w…

DRIVE·Jan 24·2 min read

C01B32/05 KUREHA CORP [JP]

VINYLIDENE-FLUORIDE-BASED POLYMER COMPOSITION OBTAINED USING NON-FLUORINATED SURFACTANT AND PRODUCTION METHOD THEREFOR

Provided are a vinylidene fluoride-based polymer composition that achieves excellent handleability because foaming is less likely to occur during use and that contains no fluorinated surfactant, and a…

DRIVE·Jul 26·2 min read

C08F14/22 KUREHA CORP [JP]

RESIN COMPOSITION FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, SEPARATOR FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY USING SAME, RESIN COMPOSITION FOR ELECTRODE MIXTURE LAYER, ELECTRODE FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

An object of the present invention is to provide a resin composition for a non-aqueous electrolyte secondary battery, the resin composition including a vinylidene fluoride copolymer which has: a high …

DRIVE·Aug 24·2 min read

C08F214/22 KUREHA CORP [JP]

ELECTRODE MIXTURE, ELECTRODE MIXTURE PRODUCTION METHOD, ELECTRODE STRUCTURE, ELECTRODE STRUCTURE PRODUCTION METHOD, AND SECONDARY BATTERY

Provided is an electrode mixture that can suppress changes in solid content concentration during storage of a slurry. The electrode mixture according to the present invention includes an electrode act…

DRIVE·Jun 15·1 min read

H01M4/0404 KUREHA CORP [JP]

CARBONACEOUS MATERIAL FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY NEGATIVE ELECTRODE

The object of the present invention is to provide a carbonaceous material for a negative electrode of non-aqueous electrolyte secondary batteries having a great charge-discharge capacity, high charge-…

DRIVE·Jan 15·1 min read

C01B32/05 KUREHA CORP [JP]

VINYLIDENE-FLUORIDE-BASED COPOLYMER AND APPLICATION OF SAID COPOLYMER

An object of the invention is to provide vinylidene fluoride copolymers exhibiting higher adhesion with respect to metal foils than do conventional vinylidene fluoride copolymers, and to provide uses …

DRIVE·Nov 6·1 min read

C08F214/22 KUREHA CORP [JP]

PROCESS FOR PRODUCING A VINYLIDENE FLUORIDE POLYMER POWDER

An object of the invention is to provide vinylidene fluoride polymer powder exhibiting excellent solubility in aprotic polar solvents, and a vinylidene fluoride polymer solution obtained from the powd…

DRIVE·Sep 5·2 min read

C08F14/22 KUREHA CORP [JP]

METHOD FOR PRODUCING HEAT-TREATED VINYLIDENE FLUORIDE POLYMER POWDER

The invention provides a process for producing vinylidene fluoride polymer powder that exhibits excellent solubility with respect to aprotic polar solvents, and a process for producing a vinylidene fl…

DRIVE·Sep 5·1 min read

C08F14/22 KUREHA CORP [JP]

PREPARATION METHOD FOR BINDER SOLUTION FOR ELECTRODE FORMATION IN NON-AQUEOUS BATTERY

An object of the invention is to provide a process for producing non-aqueous battery electrode-forming binder solutions which includes a step of performing filtration with a filtration accuracy that e…

DRIVE·Jul 4·1 min read

H01M10/05 KUREHA CORP [JP]

METHOD FOR PRODUCING NEGATIVE ELECTRODE MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Provided is a method of producing an anode material for a non-aqueous electrolyte secondary battery having battery characteristics equivalent to those of a conventional product by simpler production s…

DRIVE·Oct 26·1 min read

C04B35/528 KUREHA CORP [JP]

METHOD FOR PRODUCING NEGATIVE ELECTRODE CARBON MATERIAL

There are provided a method of producing an anode material for a non-aqueous electrolyte secondary battery which is suitable for use in a high input/output current-type non-aqueous electrolyte seconda…

DRIVE·Oct 5·1 min read

C01B32/05 KUREHA CORP [JP]

LITHIUM ION BATTERY AND ELECTRODE WOUND BODY FOR LITHIUM ION BATTERY

In a lithium ion battery, including: a battery case; and a wound electrode body formed by attaching an unwinding prevention tape to a circumference of a wound electrode structure which is formed by wi…

DRIVE·Jan 19·1 min read

H01M10/0431 KUREHA CORP [JP]