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公开(公告)号：US20240182621A1
公开(公告)日：2024-06-06
申请号：US18311522
申请日：2023-05-03
申请人： Hyundai Motor Company , Kia Corporation , INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY
发明人： Il Seok Chae , Jong Kil Oh , Ki Hyun Kim , Han Sol Ko , Mi Jeong Kim
IPC分类号： C08F293/00 , H01M4/90 , H01M8/1032 , H01M8/1039
CPC分类号： C08F293/00 , H01M4/9008 , H01M8/1032 , H01M8/1039 , H01M2008/1095
摘要： In an embodiment, an ionomer includes a partial structure represented by:
wherein z is an integer of 1 to 10.-
2.发明公开公开(公告)号：US20240356053A1
公开(公告)日：2024-10-24
申请号：US18762107
申请日：2024-07-02
发明人： Il Seok Chae , Bo Ki Hong
IPC分类号： H01M8/1004 , C08J5/22 , H01M8/1044 , H01M8/1069
CPC分类号： H01M8/1004 , C08J5/22 , H01M8/1044 , H01M8/1069 , H01M2300/0082
摘要： Disclosed is an electrolyte membrane for a membrane-electrode assembly, which may include a filler that is a polymer compound (oligomer) having a low molecular weight. The electrolyte membrane may suitably include an oligomeric poly(vinylpyrrolidone) compound including a sulfonic acid group. The electrolyte membrane for a membrane-electrode assembly may have improved proton conductivity.
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公开(公告)号：US20240186553A1
公开(公告)日：2024-06-06
申请号：US18235024
申请日：2023-08-17
申请人： Hyundai Motor Company , Kia Corporation , Industrial Cooperation Foundation Jeonbuk National University
发明人： Il Seok Chae , Sung Kon Kim , Hyun Jun Kim , Min Guk Gu
IPC分类号： H01M8/103 , H01M8/1004 , H01M8/1072 , H01M8/1081
CPC分类号： H01M8/103 , H01M8/1004 , H01M8/1072 , H01M8/1081 , H01M2008/1095
摘要： An embodiment method for preparing a polymer electrolyte membrane includes preparing a nanostructure including an imidazole group, mixing a benzimidazole-based polymer, the nanostructure, and a crosslinking agent including an isocyanate group to prepare a mixture, and forming the mixture in a form of a film. An embodiment fuel cell includes a polymer electrolyte membrane including a reaction product of a benzimidazole-based polymer, a nanostructure including an imidazole group, and a crosslinking agent including an isocyanate group, a cathode on a first surface of the polymer electrolyte membrane, and an anode on a second surface of the polymer electrolyte membrane opposite the first surface.
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公开(公告)号：US20220416281A1
公开(公告)日：2022-12-29
申请号：US17845153
申请日：2022-06-21
发明人： Il Seok Chae , Jong Kil Oh
IPC分类号： H01M8/1004 , H01M8/1051 , H01M8/1039 , C09K15/02 , C09K15/12
摘要： Disclosed is a method of producing an antioxidant that has excellent antioxidant ability and is well dispersed when applied to a membrane-electrode assembly (MEA). The method includes a step of preparing a powder including reduced metal oxide and a step of mixing the powder with a powdery ionomer to obtain an antioxidant in which the ionomer is bound to the surface of the reduced metal oxide.
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公开(公告)号：US11984628B2
公开(公告)日：2024-05-14
申请号：US17845153
申请日：2022-06-21
发明人： Il Seok Chae , Jong Kil Oh
IPC分类号： H01M8/1004 , C09K15/02 , C09K15/12 , H01M8/10 , H01M8/1039 , H01M8/1051
CPC分类号： H01M8/1004 , C09K15/02 , C09K15/12 , H01M8/1039 , H01M8/1051 , H01M2008/1095 , H01M2300/0082 , H01M2300/0091
摘要： Disclosed is a method of producing an antioxidant that has excellent antioxidant ability and is well dispersed when applied to a membrane-electrode assembly (MEA). The method includes a step of preparing a powder including reduced metal oxide and a step of mixing the powder with a powdery ionomer to obtain an antioxidant in which the ionomer is bound to the surface of the reduced metal oxide.
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6.发明公开公开(公告)号：US20230374222A1
公开(公告)日：2023-11-23
申请号：US18085075
申请日：2022-12-20
发明人： Il Seok Chae
IPC分类号： C08G75/24 , H01M8/1032 , H01M4/86 , C08K3/22
CPC分类号： C08G75/24 , H01M8/1032 , H01M4/8663 , C08K3/22 , H01M2008/1095
摘要： Disclosed are an antioxidant for a fuel cell having both antioxidative properties and proton conductivity, and a method of producing the same. The antioxidant may include: a metal oxide having antioxidant properties; and a proton conductive functional group bonded to the metal oxide, in which the proton conductive functional group may include a sulfonic acid group attached to the metal oxide by a sulfonation bond.
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7.发明授权公开(公告)号：US12113255B2
公开(公告)日：2024-10-08
申请号：US17495041
申请日：2021-10-06
发明人： Il Seok Chae
IPC分类号： H01M8/1044 , C08F212/14 , C08F220/36 , C08F220/38 , C25B1/04 , C25B9/19 , C25B13/08 , H01M8/1004 , H01M8/103 , H01M8/1034 , H01M8/1051
CPC分类号： H01M8/1004 , C08F212/26 , C08F212/30 , C08F220/36 , C08F220/382 , C25B1/04 , C25B9/19 , C25B13/08 , H01M8/103 , H01M8/1034 , H01M8/1051
摘要： Disclosed is an electrolyte membrane for a membrane-electrode assembly including a block copolymer composed of a hydrophilic domain and a hydrophobic domain.
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公开(公告)号：US20240178425A1
公开(公告)日：2024-05-30
申请号：US18308988
申请日：2023-04-28
申请人： Hyundai Motor Company , Kia Corporation , UIF (University Industry Foundation), Yonsei University
发明人： Il Seok Chae , Jong Kil Oh , Jong Hak Kim , Du Yeol Ryu , So Youn Lee
IPC分类号： H01M8/1032 , H01M4/88 , H01M8/1004 , H01M8/1081 , H01M8/1086
CPC分类号： H01M8/1032 , H01M4/881 , H01M8/1004 , H01M8/1081 , H01M8/109 , H01M2008/1095
摘要： An embodiment ionomer for a fuel cell includes a copolymer having no carbon-oxygen bond, wherein the copolymer includes hydrophilic moieties disposed at both ends, wherein each hydrophilic moiety includes a styrene unit and a proton conductive functional group, and a hydrophobic moiety interposed between the hydrophilic moieties, wherein the hydrophobic moiety includes an ethylene-based unit, a butylene-based unit, an isoprene-based unit, or any combination thereof.
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公开(公告)号：US20230335756A1
公开(公告)日：2023-10-19
申请号：US18082801
申请日：2022-12-16
发明人： Young Jung Heo , Il Seok Chae
CPC分类号： H01M4/8663 , H01M4/9075 , H01M4/8825
摘要： An electrode for a membrane-electrode assembly having improved oxygen permeability by reducing the ionomer content includes a catalyst including a support and an active metal supported on the support, an ionomer, and an additive including a carbon material and a proton conductive functional group bonded to the carbon material.
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公开(公告)号：US20220255104A1
公开(公告)日：2022-08-11
申请号：US17518434
申请日：2021-11-03
发明人： Jong Jin Yoon , Il Seok Chae
IPC分类号： H01M8/1051 , H01M8/1081 , H01M8/1039
摘要： Disclosed are an electrolyte membrane of a membrane-electrode assembly comprising a plasma-treated filler and a manufacturing method thereof The electrolyte membrane includes an ionomer having a membrane form and a filler dispersed in the ionomer and having a hydrophobic surface.
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