H01M4/622

POLYMER, ELECTROLYTE AND BATTERY

A polymer, which is a composition of a battery, is polymerized by a polymeric precursor, and the polymeric precursor includes at least two or at least three monomers. Each of the monomers is a lactone, a lactone cyclic ester or a carbonate ester. The polymer includes a polyester, and the polyester is a straight chain.

BINDER COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, SLURRY COMPOSITION FOR NON-AQUEOUS SECONDARY BATTERY ELECTRODE, ELECTRODE FOR NON-AQUEOUS SECONDARY BATTERY, AND NON-AQUEOUS SECONDARY BATTERY
20230006210 · 2023-01-05 · ·

A binder composition for a non-aqueous secondary battery electrode contains a specific binder component, a plasticizer, and an organic solvent. The binder component includes an insoluble polymer that includes a (meth)acrylic acid ester monomer unit and an ethylenically unsaturated acid monomer unit and a highly soluble polymer that includes, in specific content ratios, a nitrile group-containing monomer unit and either or both of an amide group-containing monomer unit and a (meth)acrylic acid ester monomer unit having an alkyl chain carbon number of not less than 1 and not more than 6.

MANUFACTURE OF ELECTRODES FOR ENERGY STORAGE DEVICES
20230238509 · 2023-07-27 ·

A method for fabricating an electrode for an energy storage device is provided. The method includes heating a mixture of solvent and materials for use as energy storage media; adding active material to the mixture; adding dispersant to the mixture to provide a slurry; coating a current collector with the slurry; and calendering the coating of slurry on the current collector to provide the electrode.

ELECTRODE COMPOSITION, ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY, AND ALL-SOLID STATE SECONDARY BATTERY, AND MANUFACTURING METHODS FOR ELECTRODE SHEET FOR ALL-SOLID STATE SECONDARY BATTERY AND ALL-SOLID STATE SECONDARY BATTERY
20230006245 · 2023-01-05 · ·

There is provided an electrode composition containing a sulfide-based inorganic solid electrolyte, a polymer binder, an active material having a specific surface area of 10 m.sup.2/g or more, and a dispersion medium, in which a polymer that forms the polymer binder has a constitutional component derived from a (meth)acrylic monomer or vinyl monomer, which has an SP value of 19.0 MPa.sup.1/2 or more. There also provided an electrode sheet for all-solid state secondary battery and an all-solid state secondary battery, and manufacturing methods for an electrode sheet for an all-solid state secondary battery and an all-solid state secondary battery, in which the electrode composition is used.

Aqueous cathode slurry

A method of making a positive electrode includes forming a slurry of particles using an electrode formulation, a diluent, and oxalic acid, coating the slurry on a collector and drying the coating on the collector to form the positive electrode. The electrode formulation includes an electrode active material, a conductive carbon source, an organic polymeric binder, and a water soluble polymer. The diluent consists essentially of water.

Binder resin for lithium secondary battery electrode, electrode for lithium secondary battery, and lithium secondary battery

Provided are a binder resin for an electrode of a lithium secondary battery containing a solvent-soluble polyimide having a repeating unit represented by the following Formula [I], and a method of producing the binder resin for an electrode. ##STR00001## (In the formula, Z represents an aromatic or alicyclic tetracarboxylic dianhydride residue, and Ar is an aromatic diamine residue having a carboxyl group and an aromatic diamine residue having an aromatic ether bond, or an aromatic diamine residue having a phenylindan structure).

Liquid process for preparing a vanadium phosphate-carbon composite material

The invention relates to a process for the preparation of a vanadium-carbon phosphate composite material, a vanadium-carbon phosphate composite material obtained according to the process, and to the uses of the composite material, especially as a precursor for the synthesis of electrochemically-active materials, electrode or active anode material.

Anode comprising cellulose-based compound for lithium secondary battery and lithium secondary battery comprising same

The present invention relates to an anode for lithium secondary battery and a lithium secondary battery comprising the same, the anode for lithium secondary battery comprising a current collector; and an anode active material layer which is formed on one surface of the current collector, and comprises an anode active material and a cellulose-based compound which has a weight-average molecular weight (Mw) of 500,000 g/mol to 700,000 g/mol and a substitution degree of 0.9 to 1.0, wherein the anode for lithium secondary battery has a loading level (L/L) of 13 mg/cm.sup.2 or greater.

Slurry for non-aqueous secondary battery and method of producing same, battery member for non-aqueous secondary battery and method of producing same, and non-aqueous secondary battery

Provided is a technique relating to a slurry for a non-aqueous secondary battery that can stably be applied onto a battery member surface even in a situation in which an inkjet method is adopted. A method of producing the slurry for a non-aqueous secondary battery includes a degassing step of reducing the dissolved carbon dioxide gas concentration of a mixture containing a particulate polymer (A) and water.

Energy storage module

An energy storage module includes: a cover member accommodating a plurality of battery cells in an internal receiving space, each of the battery cells including a vent; a top plate coupled to a top of the cover member and including a duct corresponding to the vent of at least one of the battery cells; a top cover coupled to a top of the top plate and having an exhaust area corresponding to the duct, the exhaust area having a plurality of discharge openings, the top cover including a protrusion protruding from a bottom surface of the top cover, the protrusion extending around a periphery of the exhaust area and around a distal end of the duct; and an extinguisher sheet between the top cover and the top plate, the extinguisher sheet being configured to emit a fire extinguishing agent at a reference temperature.