Abstract: Endothermic particles for a non-aqueous electrolyte rechargeable battery include at least partially modified metal hydroxide particles, wherein an amount of desorbed CH4 from about 80° C. to about 1400° C. by thermal desorption gas mass spectrometry (TDS-MS) of the metal hydroxide particles is between about 15×10?6 mol/g and about 3000×10?6 mol/g, an amount of desorbed CH3OH from about 80° C. to about 1400° C. by TDS-MS is between about 15×10?6 mol/g and about 6000×10?6 mol/g, an amount of desorbed H2O from about 80° C. to about 200° C. by TDS-MS is between about 30×10?6 mol/g and about 1500×10?6 mol/g, and a specific surface area of the metal hydroxide particles calculated by an adsorption isotherm measured by adsorbing water vapor or nitrogen to the metal hydroxide particles is between about 8 m2/g and about 600 m2/g.

Abstract: A negative electrode slurry includes a negative active material including a first active material in an amount of greater than or equal to about 5 wt % and less than or equal to about 100 wt %, a binder for binding the negative active material, and a solvent for dispersing the negative active material and the binder in the negative electrode slurry, wherein the first active material contains silicon atoms in an amount of greater than or equal to about 20 wt % and less than or equal to about 100 wt %, the binder includes a particulate dispersed body and a water-soluble polymer containing an acrylic acid-acrylonitrile-based copolymer, and when a sum of an amount of the negative active material and an amount of the binder is 100 wt %, an amount of the water-soluble polymer is greater than or equal to about 0.5 wt % and less than or equal to about 2 wt %.

Abstract: A negative electrode slurry includes a negative active material including a first active material in an amount of greater than or equal to about 5 wt % and less than or equal to about 100 wt %, a binder for binding the negative active material, and a solvent for dispersing the negative active material and the binder in the negative electrode slurry, wherein the first active material contains silicon atoms in an amount of greater than or equal to about 20 wt % and less than or equal to about 100 wt %, the binder includes a particulate dispersed body and a water-soluble polymer containing an acrylic acid-acrylonitrile-based copolymer, and when a sum of an amount of the negative active material and an amount of the binder is 100 wt %, an amount of the water-soluble polymer is greater than or equal to about 0.5 wt % and less than or equal to about 2 wt %.

Abstract: The composite particles for a non-aqueous electrolyte rechargeable battery are surface-treated composite particles including metal hydroxide particles and conductive particles, wherein a volume resistivity of the composite particles at the time of about 60 MPa pressurization is greater than or equal to about 0.10 ?cm and less than or equal to about 4 × 104 ?cm, an endothermic amount of the composite particles between about 50° C. to about 250° C. in differential scanning calorimetry is greater than or equal to about 150 J/g and less than or equal to about 500 J/g, and an amount of desorbed P2 (MS1) of the composite particles from about 80° C. to about 1400° C. by thermal desorption gas mass spectrometry (TDS-MS) is greater than or equal to about 300 × 10-6 mol/g and less than or equal to about 3000 × 10-6 mol/g.

Abstract: An embodiment provides a binder for a non-aqueous electrolyte rechargeable battery including a copolymer (A) and a copolymer (B), wherein the copolymer (A) includes a unit (a-1) derived from a (meth)acrylic acid-based monomer, and a unit (a-2) derived from a (meth)acrylonitrile monomer, and the copolymer (B) includes a unit (b-1) derived from an aromatic vinyl-based monomer; and a unit (b-2) derived from an ethylenic unsaturated monomer which is at least one of an unsaturated carboxylic acid alkylester monomer, a (meth)acrylic acid-based monomer, a unsaturated carboxylic acid amide monomer, or combinations thereof.

Abstract: A negative electrode slurry includes a negative active material including a first active material in an amount of greater than or equal to about 5 wt % and less than or equal to about 100 wt %, a binder for binding the negative active material, and a solvent for dispersing the negative active material and the binder in the negative electrode slurry, wherein the first active material contains silicon atoms in an amount of greater than or equal to about 20 wt % and less than or equal to about 100 wt %, the binder includes a particulate dispersed body and a water-soluble polymer containing an acrylic acid-acrylonitrile-based copolymer, and when a sum of an amount of the negative active material and an amount of the binder is 100 wt %, an amount of the water-soluble polymer is greater than or equal to about 0.5 wt % and less than or equal to about 2 wt %.

Abstract: A composition for forming a porous insulating layer according to the present disclosure includes a solvent including an organic solvent, and an insulating inorganic particle. According to the present disclosure, a porous insulating layer prepared using the composition is positioned on an active material layer being on a main surface of a current collector, wherein the active material layer includes at least an active material capable of electrochemically intercalating and deintercalating lithium ions and an active material layer binder. A distance between Hansen solubility parameters of the active material layer binder and the organic solvent is greater than or equal to about 8.0 (MPa)1/2.

Abstract: An embodiment provides a binder for a non-aqueous electrolyte rechargeable battery including a copolymer (A) and a copolymer (B), wherein the copolymer (A) includes a unit (a-1) derived from a (meth)acrylic acid-based monomer, and a unit (a-2) derived from a (meth)acrylonitrile monomer, and the copolymer (B) includes a unit (b-1) derived from an aromatic vinyl-based monomer; and a unit (b-2) derived from an ethylenic unsaturated monomer which is at least one of an unsaturated carboxylic acid alkylester monomer, a (meth)acrylic acid-based monomer, a unsaturated carboxylic acid amide monomer, or combinations thereof.

Abstract: A composition to form a porous insulating layer on an active material layer on a main surface of a current collector current collector is provided. The active material layer includes an active material to electrochemically intercalate and deintercalate lithium ions and an active material layer binder, the composition to form the porous insulating layer includes a solvent including an organic solvent, an insulating inorganic particle, and a binder, and the binder is a polymer obtained by polymerization of monomers including about 30 wt % to about 60 wt % of an aromatic vinyl compound, about 20 wt % to about 69 wt % of (meth)acrylic acid ester, about 5 wt % to about 35 wt % of (meth)acrylic acid ester including a hydroxy group or an ether group, and about 1 wt % to about 10 wt % of a vinyl compound including an acidic functional group, based on a total weight of the binder.

Abstract: A composition for preparing a porous insulating layer for a non-aqueous electrolyte rechargeable battery, the composition including a polyolefin-based polymer particle, a binder, an insulating inorganic particle, and a solvent including water and an organic solvent.

Abstract: A composition for forming a porous insulating layer according to the present disclosure includes a solvent including an organic solvent, and an insulating inorganic particle. According to the present disclosure, a porous insulating layer prepared using the composition is positioned on an active material layer being on a main surface of a current collector, wherein the active material layer includes at least an active material capable of electrochemically intercalating and deintercalating lithium ions and an active material layer binder. A distance between Hansen solubility parameters of the active material layer binder and the organic solvent is greater than or equal to about 8.0 (MPa)1/2.

Abstract: A composition for preparing a porous insulating layer for a non-aqueous electrolyte rechargeable battery, the composition including a polyolefin-based polymer particle, a binder, an insulating inorganic particle, and a solvent including water and an organic solvent.

Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 89.0 mol % based on all the polymer units, and the organic solvent being N-methyl-2-pyrolidone and/or N,N-dimethylacetamide.

Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including polyvinylidene fluoride and a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 90.0 mol % based on all the polymer units, the polyvinylidene fluoride having a number average molecular weight of 150,000 to 1,400,000.

Abstract: A binder, including a fluoropolymer, the fluoropolymer including a polymerization unit based on vinylidene fluoride and a polymerization unit based on a monomer having an amide group represented by —CO—NRR? (R and R? are the same as or different from each other and each represent a hydrogen atom or an alkyl group optionally having a substituent group) or an amide bond represented by —CO—NR?— (R? represents a hydrogen atom, an alkyl group optionally having a substituent group, or a phenyl group optionally having a substituent group) and having a solution viscosity of 10 to 20,000 mPa·s. Also disclosed is a positive electrode mixture and a negative electrode mixture containing the binder, a positive electrode, a negative electrode and a lithium ion secondary cell.

Abstract: The present invention aims to provide a film having a high dielectric constant and a low dissipation factor. The high dielectric film of the present invention includes a vinylidene fluoride/tetrafluoroethylene copolymer (A) with a mole ratio (vinylidene fluoride)/(tetrafluoroethylene) of 95/5 to 80/20. The film includes an ?-crystal structure and a ?-crystal structure. The ratio of the ?-crystal structure is 50% or more.

Abstract: The present invention provides an organosol composition that is stable even in the case that the PTFE particle content is high. The present invention relates to an organosol composition of PTFE particles, comprising PTFE particles (A), a polymer (B), and an organic solvent (S), wherein (1) the polymer (B) is soluble in the organic solvent (S), (2) the amount of the PTFE particles (A) is not lower than 50% by mass of the total amount of the PTFE particles (A) and the polymer (B), and (3) the precipitation ratio of the PTFE particles after 48 hours is not higher than 60% when the total solids concentration of the PTFE particles (A) and the polymer (B) is 5% by mass.

Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 89.0 mol % based on all the polymer units, and the organic solvent being N-methyl-2-pyrolidone and/or N,N-dimethylacetamide.

Abstract: The present invention aims to provide an electrode mixture which shows little change in viscosity even after 24 hours from the preparation of the mixture and enables production of an electrode having a high electrode density and excellent flexibility and is capable of giving excellent electric properties to the resulting cell. The present invention relates to an electrode mixture including a powdery electrode material; a binder; and an organic solvent, the binder including polyvinylidene fluoride and a fluorine-containing polymer including a polymer unit based on vinylidene fluoride and a polymer unit based on tetrafluoroethylene, the fluorine-containing polymer including the polymer unit based on vinylidene fluoride in an amount of 80.0 to 90.0 mol % based on all the polymer units, the polyvinylidene fluoride having a number average molecular weight of 150,000 to 1,400,000.

Abstract: A binder, including a fluoropolymer, the fluoropolymer including a polymerization unit based on vinylidene fluoride and a polymerization unit based on a monomer having an amide group represented by —CO—NRR? (R and R? are the same as or different from each other and each represent a hydrogen atom or an alkyl group optionally having a substituent group) or an amide bond represented by —CO—NR?— (R? represents a hydrogen atom, an alkyl group optionally having a substituent group, or a phenyl group optionally having a substituent group) and having a solution viscosity of 10 to 20,000 mPa·s. Also disclosed is a positive electrode mixture and a negative electrode mixture containing the binder, a positive electrode, a negative electrode and a lithium ion secondary cell.