C09D101/28

ELECTRODE FOR POWER STORAGE DEVICE, AND METHOD FOR PRODUCING COMPOSITE MATERIAL FOR ACTIVE MATERIAL LAYER

An active material layer of an electrode contains an active material, carbon nanotubes, and CMC derived from carboxymethylcellulose ammonium (NH.sub.4-CMC). The content of CMC derived from NH.sub.4-CMC in the active material layer is 0.3-0.6 mass %. The content of carbon nanotubes in the active material layer is 0.005-0.08 mass %. The active material layer includes a main body portion and an edge portion surrounding the main body portion. The maximum thickness of the edge portion is 104% of the thickness of the main body portion. In a plan view of the electrode in the thickness direction of the active material layer, the maximum dimension of the edge portion from the boundary between the main body portion and the edge portion to the tip of the edge portion is 5 mm.

NEGATIVE ELECTRODE SLURRY FOR LITHIUM-ION SECONDARY BATTERY, NEGATIVE ELECTRODE FOR LITHIUM-ION SECONDARY BATTERY, AND LITHIUM-ION SECONDARY BATTERY

A disclosed negative electrode slurry for a lithium ion secondary battery contains a negative electrode active material, a thickener, an antiseptic component, and a solvent. The thickener includes a carboxymethylcellulose salt. The solvent includes water. The antiseptic component includes an alkane polyol and a compound represented by the following formula (1), where R1 to R5 each independently represent a hydrogen atom or a hydrocarbon group, the total number of carbon atoms included in R1 to R5 is 4 to 6, and at least three of R1 to R5 represent hydrogen atoms.

Aqueous dispersion of carbon nanotubes, slurry, cathode, and anode

A dispersion containing water, a gelling agent, and 0.3 to 2 wt. % of single-walled and/or double-walled carbon nanotubes with a weight ratio of the single-walled and/or double-walled carbon nanotubes to the gelling agent at least 0.05 and not more than 10, wherein the dispersion contains gel particles formed by agglomerates of gelling agent molecules physically bound into a weak gel network by single-walled and/or double-walled carbon nanotubes. Also disclosed a method for producing a dispersion, a method for producing cathode and anode slurries, cathode and anode slurries, and a cathode and an anode are provided. The problems of obtaining an aqueous dispersion of single-walled and/or double-walled carbon nanotubes with both high stability during storage and transportation and low viscosity under various processes of its application, and producing electrode slurries and then lithium-ion battery electrodes, are addressed.

BARRIER PAPER WITH HIGH OXYGEN BARRIER PROPERTIES
20260035862 · 2026-02-05 ·

This invention relates to a barrier paper comprising a paper base material and a carboxymethyl cellulose coating layer formed on a surface of the paper base material, wherein the paper base material is a cellulosic paper and the carboxymethyl cellulose coating layer comprises 80-100% by weight of carboxymethyl cellulose, based on dry weight.

Resin composition, film, and multilayer structure

A resin composition contains a hydrophilic resin and a metal compound, and has an X-ray diffraction peak at 2=2 to 15 in an X-ray diffraction pattern as measured by wide angle X-ray diffraction using CuK radiation, and a resin composition contains a hydrophilic resin and a metal compound, wherein the metal compound satisfies the following general formula (1):
M.sub.a(OH).sub.bA.sup.n.sub.(2ab)/n(1)
wherein M is a metal species, A is an anionic ligand having a valence of n- and excluding a hydroxy ligand and O (oxo ligand), n is an integer not less than 1, and a and b are numbers greater than zero and satisfy an expression a/b=0.1 to 10. The resin composition exhibits excellent gas barrier property in a high humidity environment, particularly in oxygen barrier property in the high humidity environment.

Resin composition, film, and multilayer structure

A resin composition contains a hydrophilic resin and a metal compound, and has an X-ray diffraction peak at 2=2 to 15 in an X-ray diffraction pattern as measured by wide angle X-ray diffraction using CuK radiation, and a resin composition contains a hydrophilic resin and a metal compound, wherein the metal compound satisfies the following general formula (1):
M.sub.a(OH).sub.bA.sup.n.sub.(2ab)/n(1)
wherein M is a metal species, A is an anionic ligand having a valence of n- and excluding a hydroxy ligand and O (oxo ligand), n is an integer not less than 1, and a and b are numbers greater than zero and satisfy an expression a/b=0.1 to 10. The resin composition exhibits excellent gas barrier property in a high humidity environment, particularly in oxygen barrier property in the high humidity environment.

Titanium dioxide free white film coating composition, process for preparing the same and method of use thereof
12599566 · 2026-04-14 · ·

The present application provides titanium dioxide free film coating compositions comprising a combination of a water soluble cellulose ether, a water soluble anionic cellulose ether, calcium carbonate and a plasticizer. The invention further provides a process for preparing the film coating compositions and a method of coating solid substrates with such coating compositions.

NEGATIVE ELECTRODE FOR ALL-SOLID-STATE BATTERY, METHOD OF PREPARING COATING SLURRY, AND ALL-SOLID-STATE BATTERY

Disclosed are negative electrodes for all-solid-state batteries, methods of preparing coating slurry, and all-solid-state batteries. The negative electrode includes a negative electrode current collector and a coating layer on the negative electrode current collector. The coating layer includes a carbon-based material and a metal particle. The metal particle includes a lithiophilic metal. An average particle diameter of the metal particle is in a range of about 10 nm to about 200 nm. A standard deviation of a particle diameter of the metal particle is equal to or less than about 50% of the average particle diameter.