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：US20220416284A1

公开(公告)日：2022-12-29

申请号：US17779014

申请日：2021-09-28

Applicant: KOLON INDUSTRIES, INC.

Inventor： Na Young KIM ,  Dong Hoon LEE ,  Eun Su LEE ,  Jung Hwa PARK ,  Hye Song Lee

IPC: H01M8/1067 ,  H01M8/1004

Abstract: The present disclosure relates to a polymer electrolyte membrane comprising a polymer membrane containing an ion conductor, and a plurality of composite fibers, wherein the composite fiber comprises a core portion continuously formed in the longitudinal direction of the composite fiber and a matrix portion surrounding the core portion, and the core portion contains an ion exchange functional group.

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：US20150303505A1

公开(公告)日：2015-10-22

申请号：US14646470

申请日：2013-12-27

Applicant: KOLON INDUSTRIES, INC.

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

IPC: H01M8/10 ,  H01M4/88

CPC classification number: H01M8/1044 ,  C08J5/2206 ,  H01M4/8825 ,  H01M4/8875 ,  H01M8/1004 ,  H01M8/1025 ,  H01M8/1058 ,  H01M8/106 ,  H01M8/1062 ,  H01M8/1069 ,  H01M2250/20 ,  H01M2300/0082 ,  Y02E60/521 ,  Y02P70/56 ,  Y02T90/32

Abstract: Disclosed are a reinforced composite membrane for fuel cells including a porous support comprising three-dimensionally irregularly and discontinuously arranged nanofibers of a polymer and a first ionic conductor, and a second ionic conductor filling pores of the porous support, wherein the first ionic conductor is present as nanofibers in the porous support or is present in the nanofibers of the polymer to form the nanofibers together with the polymer, and a membrane-electrode assembly for fuel cells including the same. As a result, impregnation uniformity and impregnation rate of the ionic conductors are improved and proton (hydrogen ion) conductivity is thus enhanced.

Abstract translation: 公开了一种用于燃料电池的增强复合膜，其包括多孔载体，其包括聚合物和第一离子导体的三维不规则和不连续排列的纳米纤维，以及填充多孔载体的孔的第二离子导体，其中存在第一离子导体 作为多孔载体中的纳米纤维，或存在于聚合物的纳米纤维中，与聚合物一起形成纳米纤维，以及包含该聚合物的燃料电池用膜 - 电极组件。 结果，提高了离子导体的浸渍均匀性和浸渍速度，从而提高了质子（氢离子）导电性。

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：US20240332581A1

公开(公告)日：2024-10-03

申请号：US18709853

申请日：2022-11-03

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Hwa PARK ,  Donghoon LEE ,  Eun Su LEE ,  Hye Song LEE

IPC: H01M8/1048 ,  H01M8/10 ,  H01M8/1004 ,  H01M8/1058

CPC classification number: H01M8/1048 ,  H01M8/1004 ,  H01M8/1058 ,  H01M2008/1095

Abstract: Provided is an ion conductor composition for improving the ion conductivity of a polymer electrolyte membrane under low humidity/high temperature conditions. The ion conductor composition according to the present disclosure includes 100 parts by weight of an ion conductor and 0.05 to 10 parts by weight of a sugar compound on the basis of 100 parts by weight of the ion conductor.

公开(公告)号：US20240113318A1

公开(公告)日：2024-04-04

申请号：US17767436

申请日：2021-09-17

Applicant: KOLON INDUSTRIES, INC.

Inventor： Eun Su LEE ,  Dong Hoon LEE ,  Na Young KIM ,  Jung Hwa PARK ,  Hye Song LEE

IPC: H01M8/1053 ,  H01M8/1004 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1039 ,  H01M8/1058 ,  H01M8/1067

CPC classification number: H01M8/1053 ,  H01M8/1004 ,  H01M8/1027 ,  H01M8/1032 ,  H01M8/1039 ,  H01M8/1058 ,  H01M8/1067 ,  H01M2008/1095

Abstract: A polymer electrolyte membrane having improved chemical or mechanical durability is provided. The present disclosure relates to a polymer electrolyte membrane, and the polymer electrolyte membrane according to the present disclosure comprises a porous support and a composite layer containing a first ionomer filled in the porous support, wherein the polymer electrolyte membrane comprises a first segment having a first durability and a second segment having a second durability, and the first durability is higher than the second durability.

公开(公告)号：US20230006232A1

公开(公告)日：2023-01-05

申请号：US17778843

申请日：2021-09-28

Applicant: KOLON INDUSTRIES, INC.

Inventor： Na Young KIM ,  Dong Hoon LEE ,  Eun Su LEE ,  Jung Hwa PARK ,  Hye Song LEE

IPC: H01M8/1058 ,  H01M8/1004 ,  H01M8/1069

Abstract: The present disclosure relates to a method for manufacturing a polymer electrolyte membrane, the method comprising the steps of (a) preparing a porous support containing a plurality of pores, (b) preparing an ion conductor dispersion solution by dispersing an ion conductor in a dispersion medium, (c) contacting the dispersion medium with the porous support to wet the dispersion medium on the porous support, and (d) introducing the ion conductor to at least one surface of the porous support by applying the ion conductor dispersion solution to the porous support wetted with the dispersion medium, and a polymer electrolyte membrane manufactured thereby.