#H01M50/417

Polyolefin porous film and preparation method therefor, battery separator, and electrochemical device

The present disclosure relates to the technical field of separators for electrochemical devices, and discloses a polyolefin porous film and a preparation method therefor, a battery separator, and an e…

DRIVE·Jun 9·1 min read

H01M50/417 SINOMA LITHIUM BATTERY SEPARATOR (NANJING) CO., LTD.

SUBSTRATE FOR SEPARATOR OF ELECTROCHEMICAL DEVICE, SEPARATOR INCLUDING SAME, AND METHOD OF FORMING BATTERY CELL SEPARATOR

A separator substrate for an electrochemical device. The separator substrate has pores that are small and uniform in size, good physical strength and durability, and high dielectric breakdown voltage.…

DRIVE·May 28·1 min read

H01M50/417 LG ENERGY SOLUTION, LTD.

SEPARATOR SUBSTRATE FOR ELECTROCHEMICAL DEVICE, SEPARATOR INCLUDING SUBSTRATE, AND METHOD FOR FORMING BATTERY CELL SEPARATOR

DRIVE·May 27·1 min read

H01M50/417 LG ENERGY SOLUTION LTD [KR]

A SEPARATOR FOR AN ELECTROCHEMICAL DEVICE AND AN ELECTROCHEMICAL DEVICE COMPRISING THE SAME

The present disclosure relates to a separator for an electrochemical device and an electrochemical device comprising the same, and more specifically, to a separator for an electrochemical device compr…

DRIVE·Dec 17·1 min read

H01M50/417 LG ENERGY SOLUTION LTD [KR]

SUBSTRATE FOR SEPARATOR OF ELECTROCHEMICAL DEVICE, SEPARATOR INCLUDING SAME, AND METHOD OF FORMING BATTERY CELL SEPARATOR

DRIVE·Aug 14·1 min read

H01M50/417 LG ENERGY SOLUTION, LTD.

POLYETHYLENE MICROPOROUS MEMBRANE, METHOD FOR MANUFACTURING THE SAME, AND SEPARATOR INCLUDING MICROPOROUS MEMBRANE

Provided are a polyethylene microporous membrane, a method for manufacturing the same, and a separator including the microporous membrane. According to an embodiment of the present disclosure, a micro…

DRIVE·Nov 21·1 min read

H01M50/417 SK INNOVATION CO., LTD.

POLYOLEFIN SEPARATOR FOR AN ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE INCLUDING SAME

A polyolefin separator for an electrochemical device, the separator having a plurality of pores having an average pore size of 20 nm to 40 nm and a maximum pore size of 50 nm or less and including a p…

DRIVE·Dec 14·1 min read

H01M50/417 LG ENERGY SOLUTION, LTD.

SUBSTRATE FOR SEPARATOR OF ELECTROCHEMICAL DEVICE, SEPARATOR INCLUDING SAME, AND METHOD OF FORMING BATTERY CELL SEPARATOR

DRIVE·Aug 24·1 min read

H01M50/417 LG ENERGY SOLUTION, LTD.

MANUFACTURING METHOD OF POROUS MEDIUM OF OLEFIN-BASED RESIN, MANUFACTURING METHOD OF SEPARATOR FOR BATTERY, AND MANUFACTURING APPARATUS

A polymer solution is created by mixing an olefin-based resin and a solvent in a pressure vessel. A high-pressure fluid of carbon dioxide is created. Temperature of the high-pressure fluid is adjusted…

DRIVE·Jun 8·1 min read

H01M50/417 TOYOTA JIDOSHA KABUSHIKI KAISHA

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY LAMINATE, NONAQUEOUS ELECTROLYTE SECONDARY BATTERY MEMBER, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

A nonaqueous electrolyte secondary battery laminate is provided which has a short circuit prevention effect improved by controlling the shape of a dendrite. The nonaqueous electrolyte secondary batter…

DRIVE·Sep 22·1 min read

H01M50/417 Sumitomo Chemical Company, Limited

SEPARATOR AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

A nonaqueous electrolyte secondary battery separator has a short circuit prevention effect improved by controlling the shape of a dendrite. In the nonaqueous electrolyte secondary battery separator, w…

DRIVE·Sep 22·1 min read

H01M50/417 Sumitomo Chemical Company, Limited

Separator for Power Storage Device

The purpose of the present invention is to provide a separator which is for a power storage device, and which has high strength and can be thinned. The separator for a power storage device has a micro…

DRIVE·Jun 9·1 min read

H01M50/417 Asahi Kasei Kabushiki Kaisha

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY SEPARATOR

A nonaqueous electrolyte secondary battery separator which has a low shutdown temperature, a high mechanical strength, and a high ion permeability is provided. The nonaqueous electrolyte secondary bat…

DRIVE·Dec 2·1 min read

H01M50/417 Sumitomo Chemical Company, Limited

Membrane Having A Reduced Shutdown Temperature and Polymer Composition For Making Same

A polymer composition for producing gel extruded articles is described. The polymer composition contains polyethylene particles combined with a plasticizer and one or more shutdown reducing additives.…

DRIVE·Nov 11·1 min read

H01M50/417 Celanese International Corporation

POLYMER COMPOSITE MEMBRANE, PREPARATION METHOD FOR SAME, AND LITHIUM-ION BATTERY INCLUDING SAME

The disclosure relates to the field of lithium-ion batteries, and discloses a polymer composite membrane and a method for preparing same. The disclosure further includes a lithium-ion battery for whic…

DRIVE·Sep 16·1 min read

H01M50/417 BYD Company Limited

Cross-Linked Polyolefin Separator and Method for Producing Same

A crosslinked polyolefin separator having an average value of light transmittance of 30% or more in a region of 380 nm to 700 nm, after four sides of the separator are fixed and allowed to stand at 13…

DRIVE·Jul 29·1 min read

H01M50/417 LG Chem, Ltd.

SEPARATOR FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME

The present disclosure provides a separator for a rechargeable lithium battery and a rechargeable lithium battery including same, the separator includes a porous substrate; and an adhesive layer forme…

DRIVE·Jul 22·1 min read

H01M50/417 Samsung SDI Co., Ltd.

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME

A separator for an electrochemical device including a porous substrate made of a porous polymer material. The separator substrate has a small thickness, excellent resistance characteristics, ion condu…

DRIVE·Jul 8·1 min read

H01M50/417 LG CHEM, LTD.

USE OF ANION-EXCHANGE MEMBRANE IN IRON-CHROMIUM LIQUID FLUID BATTERY

The present invention regarding the use of anion-exchange membranes for Fe/Cr redox cells belongs to the area of flow redox batteries (or flow redox cells). An anion exchange membrane works as a separ…

DRIVE·Nov 5·2 min read

H01M50/417 MA ZHIQI [CN]

SECONDARY BATTERY

Provided is a very safe secondary battery that can prevent the occurrence of battery abnormalities even when the internal battery temperature increases due to, for example, overcharging. A separator 7…

DRIVE·May 14·1 min read

H01M50/417 TOYOTA MOTOR CO LTD [JP]

Hydrophylized separator material

Hydrophilized separator material of synthetic fibers and/or filaments is impregnated with 0.01-10 g/m2 alkali hydroxide and/or carbonate before use. Independent claims are also included for the follow…

DRIVE·Oct 1·1 min read

H01M50/417 FREUDENBERG CARL KG [DE]

Battery separators

Surprisingly it has been found that battery separators based on unwoven fabric can be obtained simply and without complications and having uniform thickness and especially adequate porosity. The separ…

DRIVE·Feb 26·1 min read

H01M50/417 JOHNS MANVILLE EUROPE GMBH [DE]