公开(公告)号：US11824242B2

公开(公告)日：2023-11-21

申请号：US17028475

申请日：2020-09-22

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Byoungsu Kim ,  Bo Ki Hong

IPC: H01M8/1051 ,  H01M8/1069 ,  H01M8/1039 ,  H01M8/10

CPC classification number: H01M8/1051 ,  H01M8/1039 ,  H01M8/1069 ,  H01M2008/1095

Abstract: Disclosed is an electrolyte membrane for fuel cells including a catalytic composite including a catalytic particle coated with an oxygen-permeable material and a method of producing the same. The electrolyte membrane for fuel cells includes an ion transport layer including an ionomer having proton conductivity and a catalytic composite dispersed in the ion transport layer, and the catalytic composite includes a catalytic particle including a catalytic metal component having activity of decomposing hydrogen peroxide and a coating layer formed on at least a part of a surface of the catalytic particle and including an oxygen-permeable material.

公开(公告)号：US11652227B2

公开(公告)日：2023-05-16

申请号：US16786352

申请日：2020-02-10

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： In Yu Park ,  Jae Jun Ko ,  Bo Ki Hong

IPC: H01M8/1004 ,  H01M8/1007 ,  H01M8/10

CPC classification number: H01M8/1004 ,  H01M8/1007 ,  H01M2008/1095 ,  H01M2250/20

Abstract: Disclosed are an antioxidant which increases chemical durability of a polymer electrolyte membrane fuel cell (PEMFC) and a method for manufacturing the same. The antioxidant may prevent chemical degradation of the fuel cell and have improved antioxidation capability through a reduction reaction annealing process.

公开(公告)号：US20230121105A1

公开(公告)日：2023-04-20

申请号：US18083911

申请日：2022-12-19

Applicant: Hyundai Motor Company ,  Kia Corporation

Inventor： Jong Kil OH ,  In Yu Park ,  Bo Ki Hong

IPC: H01M8/1053 ,  H01M8/1069

Abstract: Disclosed are a polymer electrolyte membrane for fuel cells which has improved handling properties and mechanical strength by employing symmetric-type laminated composite films and a method for manufacturing the same.

公开(公告)号：US11482720B2

公开(公告)日：2022-10-25

申请号：US17065140

申请日：2020-10-07

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION ,  INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY

Inventor： In Yu Park ,  Bo Ki Hong ,  Jae Woon Hong ,  Aniket Kumar ,  Sun Ju Song

IPC: H01M8/1027 ,  H01M8/1004 ,  H01M8/1081 ,  H01M8/1053 ,  H01M8/10

Abstract: Disclosed are a membrane-electrode assembly and a method for manufacturing the same. The membrane-electrode assembly has durability and proton conductivity which are improved by employing an ion conductive polymer having improved chemical durability and ion conductivity.

公开(公告)号：US20210305612A1

公开(公告)日：2021-09-30

申请号：US16942001

申请日：2020-07-29

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Jong Kil Oh ,  Sae Hoon Kim ,  Bo Ki Hong

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

Abstract: Disclosed are a method for manufacturing a polymer electrolyte membrane for fuel cells in which a plurality of porous reinforcement films and ionomer layers are continuously disposed or stacked, and a polymer electrolyte membrane for fuel cells manufactured thereby. The polymer electrolyte membrane for fuel cells includes the porous reinforcement films, thus having excellent mechanical stiffness and improved physical durability. Further, the polymer electrolyte membrane for fuel cells includes an ionomer layer including a catalyst for decomposing peroxide configured to block gas crossover and may thus minimize performance degradation due to gas crossover and prevent an electrical short, and the polymer electrolyte membrane for fuel cells makes it easy to adjust the position of the ionomer layer in the electrolyte membrane in the thickness direction and may thus effectively mitigate gas crossover.

公开(公告)号：US20210218045A1

公开(公告)日：2021-07-15

申请号：US17028475

申请日：2020-09-22

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Byoungsu Kim ,  Bo Ki Hong

IPC: H01M8/1051 ,  H01M8/1039 ,  H01M8/1069

Abstract: Disclosed is an electrolyte membrane for fuel cells including a catalytic composite including a catalytic particle coated with an oxygen-permeable material and a method of producing the same. The electrolyte membrane for fuel cells includes an ion transport layer including an ionomer having proton conductivity and a catalytic composite dispersed in the ion transport layer, and the catalytic composite includes a catalytic particle including a catalytic metal component having activity of decomposing hydrogen peroxide and a coating layer formed on at least a part of a surface of the catalytic particle and including an oxygen-permeable material.

公开(公告)号：US20210135267A1

公开(公告)日：2021-05-06

申请号：US16998638

申请日：2020-08-20

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION ,  INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY

Inventor： In Yu Park ,  Bo Ki Hong ,  Jae Woon Hong ,  Aniket Kumar ,  Sun Ju Song

IPC: H01M8/1213 ,  H01M8/1069 ,  H01M8/1039

Abstract: The present disclosure relates to a membrane-electrode assembly for fuel cells and a method of manufacturing the same, and more particularly to a membrane-electrode assembly to which an electrolyte membrane including a cerium oxide and phosphoric acid functionalized graphene oxide is applied, whereby chemical durability and proton conductivity of the membrane-electrode assembly are improved.

公开(公告)号：US20210135264A1

公开(公告)日：2021-05-06

申请号：US17065140

申请日：2020-10-07

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION ,  INDUSTRY FOUNDATION OF CHONNAM NATIONAL UNIVERSITY

Inventor： In Yu Park ,  Bo Ki Hong ,  Jae Woon Hong ,  Aniket Kumar ,  Sun Ju Song

IPC: H01M8/1027 ,  H01M8/1053 ,  H01M8/1081 ,  H01M8/1004

Abstract: Disclosed are a membrane-electrode assembly and a method for manufacturing the same. The membrane-electrode assembly has durability and proton conductivity which are improved by employing an ion conductive polymer having improved chemical durability and ion conductivity.

公开(公告)号：US20210135242A1

公开(公告)日：2021-05-06

申请号：US17078415

申请日：2020-10-23

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

Inventor： Byoungsu Kim ,  Bo Ki Hong

IPC: H01M4/86 ,  H01M4/92 ,  H01M4/88

Abstract: The present disclosure relates to an electrolyte membrane for fuel cells including a hydrogen peroxide generating catalyst and a hydrogen peroxide decomposing catalyst, the electrolyte membrane exhibiting highly improved durability, and a method of manufacturing the same. Specifically, the electrolyte membrane includes a support and a catalyst particle including a catalyst metal supported by the support, the catalyst metal including one selected from the group consisting of a first metal having catalyst activity to generate hydrogen peroxide, a second metal having catalyst activity to decompose hydrogen peroxide, and a combination thereof.

公开(公告)号：US10916781B2

公开(公告)日：2021-02-09

申请号：US16128023

申请日：2018-09-11

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Jongkil Oh ,  Sukhwan Yun ,  Bo Ki Hong

IPC: H01M4/00 ,  H01M4/88 ,  H01M4/86 ,  H01M4/90 ,  H01M8/1018

Abstract: Described herein is a composition for manufacturing an electrode of a membrane-electrode assembly for fuel cells and a method for manufacturing an electrode of a membrane-electrode assembly for fuel cells including the same. More particularly, described herein is a composition for manufacturing an electrode of a membrane-electrode assembly for fuel cells which can improve porosity in the electrode and thereby mass transport capability of reactive gases by mixing a second carbon having lower crystallinity than a first carbon to produce an electrode and applying a voltage to the electrode to remove only the second carbon, and a method for manufacturing an electrode of a membrane-electrode assembly for fuel cells including the same.