#H01M2/1653

POROUS POLYIMIDE FILM, SECONDARY BATTERY SEPARATOR, AND SECONDARY BATTERY

A porous polyimide film has plural pores, in which an average flattening of the plural pores is within a range of 0.1 to 0.7, a coefficient of variation of a distance between adjacent pores is within …

DRIVE·Jul 1·1 min read

H01M2/1653 FUJI XEROX CO., LTD.

COMPOSITION FOR LITHIUM ION SECONDARY BATTERY SEPARATOR, TWO-PART COMPOSITION FOR LITHIUM ION SECONDARY BATTERY SEPARATOR, METHOD OF PRODUCING SEPARATOR FOR LITHIUM ION SECONDARY BATTERY, AND METHOD OF PRODUCING LITHIUM ION SECONDARY BATTERY

Provided are a composition for a lithium ion secondary battery separator containing: a liquid medium; and 40 mass % or less of a first compound including a function-displaying functional group and hav…

DRIVE·Mar 4·2 min read

H01M2/1653 ZEON CORPORATION

Separator for Lithium Ion Battery

There is provided a method for producing a separator for an electricity storage device that includes a step of contacting a porous body formed from a silane-modified polyolefin-containing molded sheet…

DRIVE·Feb 25·1 min read

H01M2/1653 Asahi Kasei Kabushiki Kaisha

SEPARATOR FOR ELECTROCHEMICAL DEVICE AND ELECTROCHEMICAL DEVICE INCLUDING THE SAME

A separator for an electrochemical device. The separator includes a porous substrate made of a porous polymer film having an excellent compressibility and permanent strain. The porous substrate has ex…

DRIVE·Feb 18·1 min read

H01M2/1653 LG CHEM, LTD.

NONAQUEOUS ELECTROLYTE SECONDARY BATTERY SEPARATOR AND METHOD OF PRODUCING SAME

A nonaqueous electrolyte secondary battery separator is provided in which thickness unevenness caused by wrinkles is reduced. The nonaqueous electrolyte secondary battery separator includes a polyolef…

DRIVE·Dec 5·1 min read

H01M2/1653 Sumitomo Chemical Company, Limited

Lithium Secondary Battery

A lithium secondary battery includes a plurality of electrode cells, each of which includes a first electrode, a second electrode having a different polarity from that of the first electrode and a sep…

DRIVE·Aug 9·1 min read

H01M2/1653 SK Innovation Co., Ltd.

MICROPOROUS POLYOLEFIN FILM, SEPARATOR FOR BATTERY, AND PRODUCTION PROCESSES THEREFOR

A polyolefin microporous membrane is suitable to provide thereon a porous layer having little variation in thickness, which has a fluctuation range of F25 value in the length direction of 1 MPa or les…

DRIVE·Nov 2·1 min read

H01M2/1653 Toray Industries, Inc.

BATTERY

A battery provided according to the invention includes an electrode body including a positive electrode and a negative electrode, and a battery case. A positive electrode inner terminal is connected t…

DRIVE·Oct 6·1 min read

H01M2/1653 TOYOTA JIDOSHA KABUSHIKI KAISHA

SEPARATOR FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

A separator for a rechargeable lithium battery includes a substrate and a heat-resistant porous layer on at least one side of the substrate. The heat-resistant porous layer includes a crosslinked bind…

DRIVE·Oct 6·1 min read

H01M2/1653 SAMSUNG SDI CO., LTD.