公开(公告)号：US20220407100A1

公开(公告)日：2022-12-22

申请号：US17772122

申请日：2021-09-09

Applicant: KOLON INDUSTRIES, INC.

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

IPC: H01M8/1004 ,  H01M8/1018 ,  H01M4/92 ,  H01M4/86 ,  H01M8/0258 ,  H01M8/0273 ,  H01M4/90

Abstract: Disclosed are a membrane-electrode assembly capable of satisfying both of two requirements of excellent performance and high durability, and a fuel cell including same. The membrane-electrode assembly of the present invention comprises: a first electrode; a second electrode; and an electrolyte membrane between the first and second electrodes, wherein the first electrode includes a first segment having a first durability and a second segment having a second durability that differs from the first durability.

公开(公告)号：US20230411633A1

公开(公告)日：2023-12-21

申请号：US18250841

申请日：2021-12-03

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho KIM ,  Jun Young KIM ,  Gyong Bum KO ,  Sang II LEE ,  Kah Young SONG ,  Dong Jun CHO ,  Nak Won KONG ,  Hyeong Su KIM ,  Kyoung Sik NAM ,  Ju Sung LEE ,  Chan Mi PARK ,  Sun Young JEONG

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

CPC classification number: H01M4/8828 ,  H01M8/1004 ,  H01M4/926 ,  H01M4/8892

Abstract: The present invention relates to a catalyst layer for a fuel cell, a method for producing the catalyst layer, and a membrane-electrode assembly and a fuel cell including the catalyst layer. More particularly, the invention relates to a catalyst layer for a fuel cell, the catalyst layer including a catalyst, a heat dissipation material, and an ionomer and having an effect that the heat generated by an exothermic reaction in the catalyst layer can be efficiently discharged to the outside and a phenomenon of deterioration of a membrane-electrode assembly caused by temperature increase in the catalyst layer can be suppressed; a method for producing the catalyst layer; and a membrane-electrode assembly and a fuel cell, both including the catalyst layer.

公开(公告)号：US20240154131A1

公开(公告)日：2024-05-09

申请号：US18550683

申请日：2022-02-15

Applicant: KOLON INDUSTRIES, INC.

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

IPC: H01M4/86 ,  H01M4/88 ,  H01M4/92 ,  H01M8/10 ,  H01M8/1004

CPC classification number: H01M4/8652 ,  H01M4/8657 ,  H01M4/8882 ,  H01M4/8892 ,  H01M4/921 ,  H01M4/925 ,  H01M8/1004 ,  H01M2008/1095

Abstract: Provided is a catalyst layer for fuel cell having improved heat-dissipating performance and durability. The catalyst layer for fuel cell according to the present invention is a catalyst layer for fuel cell comprising a first composite and a second composite, wherein the first composite includes: a supporting material, a catalyst including metal particles supported on the supporting material, and a first ionomer coated on the surface of the catalyst; the second composite includes a heat-dissipating material and a second ionomer, the second ionomer is not coated on the surface of the catalyst, and the first ionomer and the second ionomer are identical with or different from each other.

公开(公告)号：US20230253581A1

公开(公告)日：2023-08-10

申请号：US18004681

申请日：2021-11-18

Applicant: KOLON INDUSTRIES, INC.

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

IPC: H01M8/0284 ,  H01M8/1004 ,  H01M8/241 ,  H01M8/0258

CPC classification number: H01M8/0284 ,  H01M8/1004 ,  H01M8/241 ,  H01M8/0258 ,  H01M2008/1095

Abstract: Disclosed are a membrane-electrode assembly and a manufacturing method therefor, in which an electrode is modularized into a degradation-susceptible portion and the remaining portion so as to be conveniently repaired by replacing the degraded module, thereby enabling the reduction of time and costs for maintenance and repair. The membrane-electrode assembly of the present invention comprises: a first electrode; a second electrode; and an electrolyte membrane between the first and second electrodes, wherein the first electrode comprises first and second electrode modules which are separable from each other.

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：US20240030460A1

公开(公告)日：2024-01-25

申请号：US18258337

申请日：2021-11-30

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho KIM ,  Gyong Bum KO ,  Jun Young KIM ,  Sang ll LEE ,  Kah Young SONG ,  Dong Jun CHO ,  Nak Won KONG ,  Hyeong Su KIM ,  Kyoung Sik NAM ,  Ju Sung LEE ,  Chan Mi PARK ,  Sun Young JEONG

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

CPC classification number: H01M4/8668 ,  H01M8/1004 ,  H01M4/926 ,  H01M4/8657 ,  H01M4/88 ,  H01M2008/1095

Abstract: Provided is a membrane-electrode assembly having improved binding strength between a polymer electrolyte membrane and a catalyst layer and improved durability of the catalyst layer. An embodiment of the present invention provides a membrane-electrode assembly including a polymer electrolyte membrane and a catalyst layer disposed on at least one surface of the polymer electrolyte membrane, wherein the catalyst layer contains a first composite and a second composite; the first composite contains a first catalyst containing a support and first metal particles supported on the support, and a first ionomer coated on the surface of the first catalyst; the second composite contains a second catalyst that contains second metal particles and is not supported on a support, and a second ionomer that is not coated on the surface of the second catalyst; and the first ionomer and the second ionomer are identical with or different from each other.

公开(公告)号：US20220393212A1

公开(公告)日：2022-12-08

申请号：US17775268

申请日：2020-12-23

Applicant: KOLON INDUSTRIES, INC.

Inventor： Nak Won KONG ,  Kyoung Sik NAM ,  Kah Young SONG ,  Jun Young KIM ,  Ju Sung LEE

IPC: H01M8/1006 ,  H01M8/1018 ,  H01M4/88

Abstract: Disclosed is a membrane-electrode assembly having increased active area, improved fluid management capability, and decreased gas transfer resistance due to electrodes having patterned structures on both sides. Also disclosed are a method for manufacturing same, and a fuel cell comprising same. A membrane-electrode assembly according to the present invention comprises: a first electrode; a second electrode; and a polymer electrolyte membrane between the first and second electrodes, wherein the first electrode has a first surface facing the polymer electrolyte membrane and a second surface opposite the first surface, the first surface having a first patterned structure, and the second surface having a second patterned structure.

公开(公告)号：US20220393211A1

公开(公告)日：2022-12-08

申请号：US17774147

申请日：2020-12-23

Applicant: KOLON INDUSTRIES, INC.

Inventor： Nak Won KONG ,  Kyoung Sik NAM ,  Kah Young SONG ,  Jun Young KIM

IPC: H01M8/1004 ,  H01M4/92

Abstract: Disclosed is a membrane-electrode assembly which can prevent the corrosion of a carbon-based carrier caused by reducing and/or stopping the supply of hydrogen gas, as well as platinum loss caused by such corrosion, without degrading the performance of a fuel cell, and thus can improve the reverse voltage durability of the fuel cell. Also disclosed are a method for manufacturing the membrane-electrode assembly, and a fuel cell including the membrane-electrode assembly. The membrane-electrode assembly according to the present invention includes: an electrolyte membrane having a first surface and a second surface opposite the first surface; an anode on the first surface; an OER catalyst layer on the first surface; and a cathode on the second surface, wherein the OER catalyst layer includes a catalyst for an oxygen-generating reaction, and at least a portion of the OER catalyst layer is disposed on the same layer as the anode.