公开(公告)号：US20240304829A1

公开(公告)日：2024-09-12

申请号：US18260400

申请日：2022-08-05

Applicant: KOLON INDUSTRIES, INC.

Inventor： Hyeong Su KIM ,  Jun Young KIM ,  Nak Won KONG ,  Jung Ho KIM ,  Ju Sung LEE ,  Chan Mi PARK

IPC: H01M4/90 ,  H01M4/86 ,  H01M4/88 ,  H01M4/96

CPC classification number: H01M4/9041 ,  H01M4/8657 ,  H01M4/881 ,  H01M4/8882 ,  H01M4/8892 ,  H01M4/9008 ,  H01M4/9083 ,  H01M4/96 ,  H01M2004/8689

Abstract: The present invention relates to an electrode for a fuel cell, comprising a non-platinum catalyst and a graphene layered structure, and a membrane-electrode assembly comprising the same and, more specifically, to a membrane-electrode assembly for a fuel cell and a fuel cell comprising the same, which implement excellent electrode efficiency through relatively inexpensive transition metals while not using platinum, by stacking alternately with a graphene layer, a catalyst layer comprising both a non-platinum catalyst complex including a carbon support, nitrogen, and non-platinum transition metal, and a conductive polymer.

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：US20220181652A1

公开(公告)日：2022-06-09

申请号：US17601919

申请日：2020-06-18

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho KIM

IPC: H01M8/0273 ,  H01M8/0284 ,  H01M8/0286 ,  H01M8/1004

Abstract: A membrane-electrode assembly, a manufacturing method therefor, and a fuel cell comprising same are disclosed. The method for preparing a membrane-electrode assembly, of the present invention, comprises the steps of: forming a first electrode on a first surface of an electrolyte membrane; forming a first sub-gasket on the first surface of the electrolyte membrane by applying a first liquid material; forming a second electrode on a second surface of the electrolyte membrane; and forming a second sub-gasket on the second surface of the electrolyte membrane.

公开(公告)号：US20220158208A1

公开(公告)日：2022-05-19

申请号：US17592595

申请日：2022-02-04

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho KIM ,  Hyeong Su KIM

IPC: H01M8/1004 ,  C01B32/18 ,  C01B32/194 ,  C01B32/168 ,  C09C1/56 ,  C09C3/10 ,  H01M4/88 ,  C04B41/48 ,  H01M4/86

Abstract: Disclosed are a method for manufacturing an electrode, an electrode manufactured thereby, a membrane-electrode assembly including the electrode, and a fuel cell containing the membrane-electrode assembly. The method includes the steps of: preparing an electrode forming composition by mixing a catalyst with an ionomer; applying a low-frequency acoustic energy to the electrode forming composition to perform resonant vibratory mixing so as to coat the ionomer on the surface of the catalyst; and coating the electrode forming composition to manufacture an electrode.

公开(公告)号：US20240002234A1

公开(公告)日：2024-01-04

申请号：US18255378

申请日：2022-03-20

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho KIM ,  Jun Young KIM ,  Kah-Young SONG ,  Nakwon KONG ,  Jusung LEE ,  Kyoungsik NAM ,  Chanmi PARK

IPC: C01B32/05 ,  B01J20/20

CPC classification number: C01B32/05 ,  B01J20/20 ,  C01P2006/12 ,  C01P2006/14 ,  H01M8/1004

Abstract: Disclosed are: a method for preparing a porous carbon structure, capable of dramatically increasing the surface area and total pore volume of the porous carbon structure; and a porous carbon structure prepared using same. The method of the present invention comprises the steps of: preparing a template having a mesoporous shell; injecting a carbon precursor into the template, the carbon precursor comprising a polymer precursor and a cross-linking agent, the polymer precursor comprising a first component, which has a halogen functional group, and a second component, which does not have a halogen functional group, and the amount of the first component in the polymer precursor being 20-80 wt %; polymerizing the polymer precursor to form a polymer; carbonizing the polymer to obtain a template-carbon complex; and removing the template from the template-carbon complex.

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：US20220278335A1

公开(公告)日：2022-09-01

申请号：US17625837

申请日：2021-04-05

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho KIM ,  Kah-Young SONG ,  Nakwon KONG ,  Jusung LEE ,  Kyoungsik NAM ,  Chanmi PARK

IPC: H01M4/86 ,  H01M4/92 ,  H01M8/1018 ,  H01M8/1004 ,  H01M4/88

Abstract: Disclosed are a mixed catalyst, a method for preparing same, a method for forming an electrode by using same, and a membrane-electrode assembly comprising same, the mixed catalyst having uniform physical features within a predetermined range, which are suitable for the manufacture of an electrode and membrane-electrode assembly having desired performance and durability. The mixed catalyst comprises: a first catalyst, which includes a first support and first catalyst metal particles distributed on the first support, and has a first BET surface area and a first total pore volume; and a second catalyst, which includes a second support and second catalyst metal particles distributed on the second support, and has a second BET surface area different from the first BET surface area and a second total pore volume different from the first total pore volume.

公开(公告)号：US20210387168A1

公开(公告)日：2021-12-16

申请号：US17287493

申请日：2019-12-16

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho KIM

IPC: B01J23/42 ,  B01J21/18 ,  B01J37/04 ,  B01J37/02 ,  B01J37/08 ,  B01J23/89 ,  B01J37/26 ,  H01M8/1004 ,  H01M4/92

Abstract: Disclosed is a catalyst, a method for producing the catalyst, an electrode comprising the catalyst, a membrane-electrode assembly comprising the electrode, and a fuel cell comprising the membrane-electrode assembly, the catalyst being highly efficient and having a long service life due to improved interfacial properties with ionomer from having fluoride (F) groups on the surface thereof. The catalyst according to the present invention comprises: a support; metal particles supported in the support; and fluoride (F) groups on the surface of the support and metal particles.

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.