公开(公告)号：US20200274181A1

公开(公告)日：2020-08-27

申请号：US16675743

申请日：2019-11-06

Applicant: Hyundai Motor Company ,  Kia Motors Corporation ,  Industry Foundation of Chonnam National University

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

IPC: H01M8/1004 ,  H01M8/1016 ,  H01M8/1018

Abstract: Disclosed are a membrane-electrode assembly for fuel cells and a method of manufacturing the same. The membrane-electrode assembly for fuel cells may include an electrolyte membrane including a phosphonic acid functionalized graphene oxide in order to improve the mechanical strength and proton conductivity thereof and a method of manufacturing the same.

公开(公告)号：US20200075983A1

公开(公告)日：2020-03-05

申请号：US16213114

申请日：2018-12-07

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Jung Han Yu ,  Sukhwan Yun ,  Jong Kil Oh ,  In Yu Park ,  Jae Jun Ko ,  Bo Ki Hong

IPC: H01M8/1004

Abstract: Disclosed are a membrane-electrode assembly for fuel cells having improved durability and a manufacturing method thereof. Hydrogen peroxide, from which a hydroxyl radical is generated, may be removed using an antioxidant having the structure A1-aA′aBO3-δand including strontium or samarium, thereby improving the durability of an electrolyte membrane and an electrode.

公开(公告)号：US20190312284A1

公开(公告)日：2019-10-10

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: H01M4/88 ,  H01M4/86 ,  H01M4/90

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.

公开(公告)号：US20190207226A1

公开(公告)日：2019-07-04

申请号：US16124933

申请日：2018-09-07

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Sukhwan Yun ,  Bo Ki Hong

IPC: H01M4/88 ,  H01M8/023 ,  H01M4/86 ,  H01M8/04291 ,  H01M8/04492

CPC classification number: H01M4/881 ,  H01M4/8605 ,  H01M4/8663 ,  H01M8/023 ,  H01M8/04291 ,  H01M8/04507

Abstract: The present invention relates to a method of manufacturing an electrolyte membrane for fuel cells by transferring antioxidants to the electrolyte membrane. The method may include providing a first membrane including a perfluorinated sulfonic acid-based compound, providing a second membrane including an antioxidant such that the second membrane partially or entirely contacts a surface of the first membrane, transferring or moving the antioxidant of the second membrane to the first membrane, and removing the second membrane.

公开(公告)号：US20180175394A1

公开(公告)日：2018-06-21

申请号：US15692001

申请日：2017-08-31

Applicant: Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Bo Ki Hong ,  Jong Kil Oh

IPC: H01M4/88 ,  H01M8/1004 ,  H01M8/04223

Abstract: A method for improving freezing resistance of a membrane electrode assembly is provided. In particular, the method improves freezing resistance of a membrane electrode assembly including conducting drying and heat treatment under certain conditions to produce an electrode that reduces formation of macro-cracks and micro-cracks in the electrode. Accordingly, water does not permeate the electrode excessively and the electrode does not break even when frozen.

公开(公告)号：US09960442B2

公开(公告)日：2018-05-01

申请号：US14819079

申请日：2015-08-05

Applicant: Hyundai Motor Company ,  Korea Advanced Institute of Science and Technology

Inventor： Bo Ki Hong ,  Byeong-Heon Jeong ,  Taek-Soo Kim ,  Jae-Han Kim ,  Sanwi Kim

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

CPC classification number: H01M8/1004 ,  H01M4/8814 ,  H01M4/8875 ,  H01M4/926 ,  H01M2250/20 ,  Y02E60/521 ,  Y02T90/32

Abstract: Disclosed are a process for separating an electrode for membrane-electrode assemblies of fuel cells from the decal transfer film and an apparatus for separating the electrode. In particular, during the electrode separating process, only an electrode is separated from the decal transfer film on which the electrode is coated, without any damage, by a freezing method for freezing the specimen on the deionized water surface, and thus, wasting the expensive MEA is prevented. Thus, mechanical properties of the pristine electrode can be rapidly quantified in advance, and therefore, long term durability evaluation period during developing MEA having excellent durability is substantially reduced.

公开(公告)号：US09846113B2

公开(公告)日：2017-12-19

申请号：US14483432

申请日：2014-09-11

Applicant: Hyundai Motor Company ,  Korea Advanced Institute of Science and Technology

Inventor： Byeong Heon Jeong ,  Bo Ki Hong ,  Taek Soo Kim ,  Sanwi Kim

IPC: G01N19/04 ,  G01N19/00

CPC classification number: G01N19/04 ,  G01N2203/0091

Abstract: An interfacial adhesion strength measuring apparatus of a gas diffusion layer for a fuel cell is provided. The apparatus includes a pair of load applying parts that are each adhered to outer surfaces of a substrate configuring the gas diffusion layer of the fuel cell and a micro porous layer coated on the substrate and is configured to apply a tension force in a direction in which the substrate and the micro porous layer are separated from each other. A first adhering part is applied to one of the load applying parts and is adhered to the substrate and a second adhering part is applied to the other of the load applying parts and is adhered to the micro porous layer. In addition, the first and second adhering parts contain materials of which contact angles with the substrate or the micro porous layer are different from each other, respectively.

公开(公告)号：US09819034B2

公开(公告)日：2017-11-14

申请号：US15352519

申请日：2016-11-15

Applicant: Hyundai Motor Company

Inventor： Bo Ki Hong ,  Kook Il Han ,  Ji Yeon Park ,  Se Joon Im

IPC: H01M8/04298 ,  H01M8/04089 ,  H01M8/1018

CPC classification number: H01M8/04305 ,  H01M8/04089 ,  H01M8/04238 ,  H01M2008/1095 ,  H01M2250/20 ,  Y02E60/50 ,  Y02T90/32

Abstract: Disclosed is a stack for simulating a cell voltage reversal behavior in a fuel cell. The stack is configured to have a structure in which a separator of a portion of a plurality of cells in the stack have an inlet of a hydrogen flow field partially blocked to induce hydrogen starvation only in the portion of the plurality of cells.

公开(公告)号：US09466844B2

公开(公告)日：2016-10-11

申请号：US14313238

申请日：2014-06-24

Applicant: Hyundai Motor Company ,  Industrial Cooperation Foundation Chonbuk National University

Inventor： Byeong-Heon Jeong ,  Bo Ki Hong ,  Changwoon Nah ,  Yong Hwan Yoo

IPC: H01M8/02 ,  C08L21/00 ,  C08L23/16 ,  H01M8/10

CPC classification number: H01M8/0284 ,  C08K5/14 ,  C08L21/00 ,  C08L23/16 ,  C08L27/20 ,  H01M8/0286 ,  H01M2008/1095 ,  H01M2250/20 ,  Y02E60/50 ,  Y02P70/56

Abstract: The present invention provides a blended rubber gasket for fuel cells that includes a base having about 80 to 99 phr of EPDM rubber and about 1 to 20 phr of FKM rubber, and about 0.1 to 10 phr of a peroxide crosslinking agent, based on 100 phr of the base.

Abstract translation: 本发明提供了一种用于燃料电池的混合橡胶垫圈，其包括具有约80至99phr的EPDM橡胶和约1至20phr的FKM橡胶的基料和约0.1至10phr的过氧化物交联剂，基于100phr 的基地。

公开(公告)号：US20160126577A1

公开(公告)日：2016-05-05

申请号：US14819079

申请日：2015-08-05

Applicant: Hyundai Motor Company ,  Korea Advanced Institute of Science and Technology

Inventor： Bo Ki Hong ,  Byeong-Heon Jeong ,  Taek-Soo Kim ,  Jae-Han Kim ,  Sanwi Kim

IPC: H01M8/10 ,  H01M4/96 ,  H01M4/90 ,  H01M4/88

CPC classification number: H01M8/1004 ,  H01M4/8814 ,  H01M4/8875 ,  H01M4/926 ,  H01M2250/20 ,  Y02E60/521 ,  Y02T90/32

Abstract: Disclosed are a process for separating an electrode for membrane-electrode assemblies of fuel cells from the decal transfer film and an apparatus for separating the electrode. In particular, during the electrode separating process, only an electrode is separated from the decal transfer film on which the electrode is coated, without any damage, by a freezing method for freezing the specimen on the deionized water surface, and thus, wasting the expensive MEA is prevented. Thus, mechanical properties of the pristine electrode can be rapidly quantified in advance, and therefore, long term durability evaluation period during developing MEA having excellent durability is substantially reduced.

Abstract translation: 公开了一种从贴花转移膜分离燃料电池的膜 - 电极组件的电极和用于分离电极的装置的方法。 特别地，在电极分离过程中，通过用于将样品冷凝在去离子水表面上的冷冻方法，仅将电极与其上涂覆电极的贴花转印膜分离而没有任何损害，因此浪费昂贵的 MEA被阻止。 因此，可以预先快速量化原始电极的机械性能，因此在显影MEA中具有优异的耐久性的长期耐久性评价期间显着降低。