公开(公告)号：US20210242481A1

公开(公告)日：2021-08-05

申请号：US16972272

申请日：2019-06-28

Applicant: KOLON INDUSTRIES, INC.

Inventor： Na Young KIM ,  Moo Seok LEE ,  Dong Hoon LEE ,  Eun Su LEE ,  Seung Jib YUM ,  Jung Hwa PARK

IPC: H01M8/1062 ,  H01M8/1004 ,  H01M8/1053 ,  H01M8/1067 ,  H01M8/1081

Abstract: The present invention relates to a polymer electrolyte membrane, a manufacturing method therefor, and a membrane electrode assembly comprising same, the polymer electrolyte membrane comprising: a first porous support having first pores filled with a first ion conductor; and a second porous support having at least one second pore filled with the first ion conductor and third pores filled with a second ion conductor, wherein the first and second porous supports are in contact with each other. The polymer electrolyte membrane has enhanced performance through the improvement of impregnation properties and enhanced mechanical and chemical durability through the minimization of hydrogen permeability and dimensional change. Furthermore, an interface between the ion conductor and the support in the polymer electrolyte membrane can be stably maintained for a long time.

公开(公告)号：US20250015308A1

公开(公告)日：2025-01-09

申请号：US18708674

申请日：2022-11-23

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho KIM ,  Jun Young KIM ,  Kah Young SONG ,  Nak Won KONG ,  Eun Su LEE ,  Hyeong Su KIM ,  Ju Sung LEE ,  Kyoung Sik NAM ,  Chan Mi PARK

IPC: H01M4/86 ,  H01M4/88 ,  H01M4/92 ,  H01M8/1004

Abstract: A catalyst for a fuel cell with improved durability is provided. A catalyst for a fuel cell according to the present disclosure comprises a second composite in which a plurality of first composites comprising a support and metal catalyst particles supported on the support, are aggregated and a nitrogen-containing protective layer coated on the surface of the second composite.

公开(公告)号：US20250006965A1

公开(公告)日：2025-01-02

申请号：US18709558

申请日：2022-11-23

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho KIM ,  Jun Young KIM ,  Kah Young SONG ,  Nak Won KONG ,  Eun Su LEE ,  Hyeong Su KIM ,  Ju Sung LEE ,  Kyoung Sik NAM ,  Chan Mi PARK

IPC: H01M8/1004 ,  H01M8/10 ,  H01M8/1032

Abstract: A membrane-electrode assembly with improved durability is provided. An embodiment of the present invention provides a membrane-electrode assembly comprising: a polymer electrolyte membrane having concavo-convex portions on at least one surface thereof and a catalyst layer disposed on the polymer electrolyte membrane, wherein the catalyst layer includes a first catalyst layer loaded into the inside of the concavo-convex portion and a second catalyst layer disposed on the polymer electrolyte membrane, the first catalyst layer being interposed between the polymer electrolyte membrane and the second catalyst layer.

公开(公告)号：US20220238901A1

公开(公告)日：2022-07-28

申请号：US17620199

申请日：2020-07-03

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Hwa PARK ,  Kwang Sei OH ,  Dong Hoon LEE ,  Na Young KIM ,  Eun Su LEE ,  Seung Jib YUM

IPC: H01M8/1027 ,  H01M8/1025

Abstract: Disclosed are: a reinforced composite membrane-type polymer electrolyte membrane which can prevent the loss of an ion conductor even when the ion conductor is chemically deteriorated due to long-term use, and thus has remarkably enhanced mechanical and chemical durability; a method for manufacturing same; and an electrochemical device comprising same. The polymer electrolyte membrane of the present invention comprises: a non-crosslinked ion conductor; and a porous support having a plurality of pores filled with the ion conductor, wherein the porous support comprises a polymer having at least one crosslinking functional group, and the crosslinking functional group is a functional group which, when the ion conductor is deteriorated, can cause crosslinking of the ion conductor by binding to the deteriorated ion conductor.

公开(公告)号：US20190363385A1

公开(公告)日：2019-11-28

申请号：US16097008

申请日：2018-02-28

Applicant: KOLON INDUSTRIES, INC.

Inventor： Eun Su LEE ,  Dong Hoon LEE ,  Na Young KIM ,  Seung Jib YUM

IPC: H01M8/1032 ,  H01M8/18 ,  H01M8/1027 ,  H01M8/1053 ,  H01M8/1081 ,  C08J5/22

Abstract: The present invention relates to an ion exchanging membrane, a method for manufacturing the same, and an energy storage system comprising the same. The ion exchanging membrane includes a porous support including a plurality of pores, a first ion conducting material located on one surface of the porous support, and a second ion conducting material located on the other surface of the porous support, in which the first ion conducting material and the second ion conducting material are polymers including hydrophilic repeating units and hydrophobic repeating units, and the first ion conducting material and the second ion conducting material have different molar ratios of the hydrophilic repeating units and the hydrophobic repeating units.According to the ion exchanging membrane, it is possible to improve overall efficiency of the energy storage system by improving both performance efficiency and voltage efficiency of the energy storage system due to excellent ion-conductivity performance and reduced membrane resistance and ensure durability of the energy storage system by having excellent morphological stability and reducing a crossover of vanadium ions.

公开(公告)号：US20180277873A1

公开(公告)日：2018-09-27

申请号：US15763612

申请日：2016-09-30

Applicant: KOLON INDUSTRIES, INC.

Inventor： Dong Hoon LEE ,  Na Young KIM ,  Seung Jib YUM ,  Eun Su LEE

IPC: H01M8/1032 ,  C08G75/23 ,  C08J5/22 ,  H01M8/1072 ,  H01M8/1004 ,  H01M8/1027

CPC classification number: H01M8/1032 ,  C08G65/4056 ,  C08G75/23 ,  C08J5/2256 ,  C08J2381/06 ,  H01M8/1004 ,  H01M8/1027 ,  H01M8/1072 ,  H01M2008/1095 ,  H01M2300/0082

Abstract: The present invention relates to an ion conductor, a method for producing the same, and an ion exchange membrane, a polymer electrolyte membrane and a fuel cell including the same. The ion conductor includes a repeat unit represented by the following Formula 1, and a repeat unit represented by the following Formula 2 or a repeat unit represented by the following Formula 5. Formulae 1, 2 and 3 are described as in the Detailed Description of the Invention.The ion conductor contains a hydrocarbon-based block copolymer which has an easily changeable structure because it includes a hydrophilic region and a hydrophobic region, wherein characteristics of the block copolymer and the ion conductor can be easily regulated through control over the structure of the hydrophilic region and the hydrophobic region, and ion conductivity and durability of the ion conductor are improved within the whole humidity range through micro-phase separation between the hydrophilic region and the hydrophobic region which are structurally controlled.

公开(公告)号：US20160260995A1

公开(公告)日：2016-09-08

申请号：US15025657

申请日：2014-09-30

Applicant: KOLON INDUSTRIES, INC.

Inventor： Moo Seok LEE ,  Dong Hoon LEE ,  Yong Cheol SHIN ,  Na Young KIM ,  Eun Su LEE ,  Han Moon CHO

IPC: H01M8/1041 ,  H01M8/1081 ,  H01M8/1032 ,  H01M8/1004 ,  H01M8/1027 ,  H01M8/1018 ,  H01M8/1069

CPC classification number: H01M8/1041 ,  H01M8/0293 ,  H01M8/1004 ,  H01M8/1018 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1069 ,  H01M8/1079 ,  H01M8/1081 ,  H01M2008/1095 ,  H01M2300/0082 ,  Y02P70/56

Abstract: Provided are a polymer electrode membrane including a porous support including a web of nanofibers of a first hydrocarbon-based ion conductor that are arranged irregularly and discontinuously; and a second hydrocarbon-based ion conductor filling the pores of the porous support, the first hydrocarbon-based ion conductor being a product obtained by eliminating at least a portion of the protective groups (Y) in a precursor of the first hydrocarbon-based ion conductor represented by Formula (1), a method for producing the polymer electrolyte membrane, and a membrane electrode assembly including the polymer electrolyte membrane: wherein m, p, q, M, M′, X and Y respectively have the same meanings as defined in the specification.

Abstract translation: 提供一种聚合物电极膜，其包括多孔载体，其包括不规则且不连续地排列的第一烃基离子导体的纳米纤维网; 和填充多孔载体的孔的第二烃基离子导体，第一烃基离子导体是通过消除第一烃基离子的前体中的至少一部分保护基（Y）而获得的产物 式（1）表示的导体，高分子电解质膜的制造方法以及包含高分子电解质膜的膜电极组合物，其中，m，p，q，M，M'，X，Y分别具有与上述相同的含义 在规范中。