公开(公告)号：US20220320557A1

公开(公告)日：2022-10-06

申请号：US17609370

申请日：2020-06-17

Applicant: KOLON INDUSTRIES, INC.

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

IPC: H01M8/1051 ,  H01M8/1018 ,  H01M8/1081 ,  H01M8/1062 ,  C08K5/13 ,  C08K5/092 ,  C08K5/18

Abstract: Disclosed are: a polymer electrolyte membrane which can prevent ionic conductor loss even upon the occurrence of chemical degradation in the ionic conductor according to long term use and thus can be significantly improved in chemical durability; a manufacturing method therefor; and an electrochemical device comprising same. The polymer electrolyte membrane of the present disclosure comprises a polymer electrolyte material. The polymer electrolyte material comprises an ionic conductor and a crosslinker unbound to the ionic conductor. The crosslinker has at least one cross-linkable functional group which can couple with the ionic conductor that has been degraded, thereby causing crosslinking with the ionic conductor.

公开(公告)号：US20250055006A1

公开(公告)日：2025-02-13

申请号：US18713643

申请日：2022-11-23

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Hwa PARK ,  Dong Hoon LEE ,  Kum Suck SONG ,  Sung Hyun YUN ,  Seung Jib YUM ,  Chang Hoon OH ,  Hye Song LEE ,  Eun Su LEE

IPC: H01M8/1004 ,  H01M8/10 ,  H01M8/1023 ,  H01M8/1053 ,  H01M8/1062

Abstract: A reinforced composite membrane with improved ion conductivity and wettability is provided. Provided in one embodiment of the present disclosure is a reinforced composite membrane comprising a porous support and an ionomer layer, which comprises an ion conductor filling the pores inside the porous support, wherein the porous support comprises a first surface and a second surface opposite to the first surface, and the first surface is reformed to contain a first hydrophilic functional group.

公开(公告)号：US20250015328A1

公开(公告)日：2025-01-09

申请号：US18709542

申请日：2022-11-16

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Hwa PARK ,  Donghoon LEE ,  Kum Suck SONG ,  Sung Hyun YUN ,  Seung Jib YUM ,  Chang Hoon OH ,  Hye Song LEE ,  Eun Su LEE

IPC: H01M8/1039 ,  H01M8/10 ,  H01M8/1004 ,  H01M8/1023 ,  H01M8/1048 ,  H01M8/1067

Abstract: The present disclosure relates to a polymer electrolyte membrane including an ion conductor wherein the polymer electrolyte membrane contains an antioxidant-releasing material.

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：US20250132365A1

公开(公告)日：2025-04-24

申请号：US18705578

申请日：2022-11-24

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Hwa PARK ,  Dong Hoon LEE ,  Kum Suck SONG ,  Sung Hyun YUN ,  Seung Jib YUM ,  Chang Hoon OH ,  Hye Song LEE ,  Eun Su LEE

IPC: H01M8/106 ,  H01M8/10 ,  H01M8/1004 ,  H01M8/1053 ,  H01M8/1081

Abstract: The present disclosure relates to a reinforced composite membrane for a fuel cell, comprising a porous support and a hydrogen ion-conductive polymer; a manufacturing method therefor; and a membrane-electrode assembly comprising same, the reinforced composite membrane having the hydrogen ion-conductive polymer impregnated into the porous support, or comprising, on at least one surface of the porous support, an electrolyte layer comprising the hydrogen ion-conductive polymer, wherein the porous support further comprises a compound capable of trapping metal ions.

公开(公告)号：US20220285715A1

公开(公告)日：2022-09-08

申请号：US17628345

申请日：2020-09-29

Applicant: KOLON INDUSTRIES, INC.

Inventor： Na Young KIM ,  Dong Hoon LEE ,  Eun Su LEE ,  Jung Hwa PARK ,  Seung Jib YUM ,  Chang Hoon OH ,  Hye Song LEE

IPC: H01M8/1039 ,  C08L81/06 ,  H01M8/1004 ,  H01M8/1067

Abstract: Disclosed are: an ionomer dispersion having high dispersion stability while also containing high content of ionomer solids, thus optimizing the ionomer morphology in a polymer electrolyte membrane to allow both the ion conductivity and durability of the polymer electrolyte membrane to be improved; a method for producing the ionomer dispersion; and a polymer electrolyte membrane produced using the method.

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.