公开(公告)号：US20180050984A1

公开(公告)日：2018-02-22

申请号：US15292106

申请日：2016-10-12

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyoung-Juhn KIM ,  Eun Ki KIM ,  So Young LEE ,  Jong Hyun JANG ,  Jin Young KIM ,  Sung Jong YOO ,  Dirk Henkensmeier ,  Dae Ki CHOI ,  Jonghee HAN ,  Suk Woo NAM

IPC: C07C303/44 ,  C07C309/24 ,  C07C303/32

CPC classification number: C07C303/44 ,  C07C303/32 ,  C07C309/24

Abstract: Disclosed are a method for preparing a pure isophthalaldehyde bisulfite adduct free from impurities through a specific purification process, and use thereof as a starting material for polymerizing polybenzimidazole under a mild condition. According to the present disclosure, it is possible to obtain a pure isophthalaldehyde bisulfite adduct free from impurities, such as unreacted materials or byproducts. In addition, it is possible to accomplish industrial mass production of a high-molecular weight polybenzimidazole by using the adduct as a starting material for polymerizing polybenzimidazole under a mild condition in an organic solvent.

公开(公告)号：US20170187042A1

公开(公告)日：2017-06-29

申请号：US15360034

申请日：2016-11-23

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jong Hyun JANG ,  Byungseok LEE ,  Hee-Young PARK ,  Hyoung-Juhn KIM ,  Dirk HENKENSMEIER ,  Sung Jong YOO ,  Jin Young KIM ,  So Young LEE ,  Jaeyune RYU ,  Sung Pil YOON ,  Jonghee HAN ,  Suk Woo NAM

IPC: H01M4/86 ,  H01M4/92 ,  H01M8/18 ,  H01M4/88

CPC classification number: H01M4/8657 ,  H01M4/8615 ,  H01M4/8807 ,  H01M4/8853 ,  H01M4/886 ,  H01M4/926 ,  H01M8/186 ,  Y02E60/528

Abstract: Disclosed are a reversible fuel cell oxygen electrode in which IrO2 is electrodeposited and formed on a porous carbon material and platinum is applied thereon to form a porous platinum layer, a reversible fuel cell including the same, and a method for preparing the same. According to the corresponding reversible fuel cell oxygen electrode, as the loading amounts of IrO2 and platinum used in the reversible fuel cell oxygen electrode can be lowered, it is possible to exhibit excellent reversible fuel cell performances (excellent fuel cell performance and water electrolysis performance) by improving the mass transport of water and oxygen while being capable of reducing the loading amounts of IrO2 and platinum. Further, it is possible to exhibit a good activity of a catalyst when the present disclosure is applied to a reversible fuel cell oxygen electrode and to reduce corrosion of carbon.

公开(公告)号：US20170005353A1

公开(公告)日：2017-01-05

申请号：US15200060

申请日：2016-07-01

Applicant: YOULCHON CHEMICAL CO., LTD. ,  KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyoung-Juhn KIM ,  Jong Hyun JANG ,  So Young LEE ,  Bohyun KIM ,  Sun-Hee CHOI ,  Jonghee HAN ,  Jin Ho KIM ,  Jong Hyub PARK

IPC: H01M8/1027 ,  H01M4/92 ,  H01M4/88 ,  H01M8/1044 ,  H01M8/1004

CPC classification number: H01M8/1027 ,  C08J5/2256 ,  C08J2381/06 ,  C08J2481/06 ,  H01M8/1004 ,  H01M8/1044 ,  H01M8/1081 ,  H01M2008/1095 ,  H01M2300/0082 ,  Y02P70/56

Abstract: Disclosed is an electrolyte membrane for a fuel cell including a polymer blend of a sulfonated polyethersulfone copolymer, hydroxyl group-containing polyethersulfone copolymer and a hydroxyl group-containing sulfonated polyethersulfone copolymer.

Abstract translation: 公开了一种用于燃料电池的电解质膜，其包括磺化聚醚砜共聚物，含羟基的聚醚砜共聚物和含羟基的磺化聚醚砜共聚物的聚合物共混物。

公开(公告)号：US20170005342A1

公开(公告)日：2017-01-05

申请号：US14979877

申请日：2015-12-28

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jin Young KIM ,  Sung Jong YOO ,  Dirk HENKENSMEIER ,  Jong Hyun JANG ,  Hyoung-Juhn KIM ,  Yeon Hun JEONG ,  Nayoung KIM ,  Chang Won YOON ,  Jonghee HAN ,  Suk Woo NAM ,  Tae Hoon LIM

IPC: H01M4/88 ,  H01M4/90

Abstract: Disclosed is a carbon support for a fuel cell catalyst that supports a metal. The carbon support includes a conductive carbon support and nitrogen atoms doped into the conductive carbon support. Also disclosed is a method for preparing the carbon support. Also disclosed is a catalyst including the carbon support. The catalyst has greatly improved degradation resistance compared to conventional catalysts for fuel cells. In addition, the catalyst is not substantially degraded even when applied to a single cell.

Abstract translation: 公开了一种用于支撑金属的燃料电池催化剂的碳载体。 碳载体包括导电碳载体和掺杂到导电碳载体中的氮原子。 还公开了一种制备碳载体的方法。 还公开了包括碳载体的催化剂。 与用于燃料电池的常规催化剂相比，催化剂具有显着改善的降解性能。 此外，即使施加到单个电池，催化剂也基本上不劣化。

公开(公告)号：US20160308229A1

公开(公告)日：2016-10-20

申请号：US15132011

申请日：2016-04-18

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY ,  Jagiellonian University

Inventor： Dirk Henkensmeier ,  Jong Hyun JANG ,  Hyoung-Juhn KIM ,  Jin Young KIM ,  Sung Pil YOON ,  Jonghee HAN ,  Suk Woo NAM ,  Ngoc My Hanh Duong ,  Artur Michalak ,  Karol Dyduch ,  Mateusz Brela

IPC: H01M8/103 ,  H01M8/1004 ,  H01M8/1027 ,  C08G65/40 ,  H01M8/12

CPC classification number: C08G65/40 ,  C08G65/007 ,  C08G65/4037 ,  C08G65/48 ,  H01M8/1004 ,  H01M8/1025 ,  H01M8/1027 ,  H01M8/103 ,  H01M8/12 ,  H01M2008/1095 ,  Y02P70/56

Abstract: Disclosed are a 5-(2,6-dioxyphenyl)tetrazole-containing polymer, a method for preparing the same, a membrane containing the same and an electrochemical device, particularly a high temperature polymer electrolyte membrane fuel cell, including the membrane. The membrane containing the 5-(2,6-dioxyphenyl)tetrazole-containing polymer is capable of providing high proton conductivity and exhibiting good mechanical properties, thereby capable of providing superior fuel cell performance. Accordingly, the membrane may be usefully used in an electrochemical device, particularly a fuel cell, more particularly a high temperature polymer electrolyte membrane fuel cell.

Abstract translation: 公开了含有5-（2,6-二氧代苯基）四唑的聚合物，其制备方法，含有该聚合物的膜和包含该膜的电化学装置，特别是高温高分子电解质膜燃料电池。 含有5-（2,6-二氧代苯基）四唑的聚合物的膜能够提供高质子传导性并表现出良好的机械性能，从而能够提供优异的燃料电池性能。 因此，膜可以有用地用于电化学装置，特别是燃料电池，特别是高温聚合物电解质膜燃料电池中。

公开(公告)号：US20160199821A1

公开(公告)日：2016-07-14

申请号：US14921567

申请日：2015-10-23

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Sung Jong YOO ,  Jaeyune RYU ,  Jong Hyun JANG ,  Jin Young KIM ,  Hyoung-Juhn KIM ,  Sung Pil YOON ,  Jonghee HAN ,  Suk Woo NAM ,  Tae Hoon LIM

IPC: B01J27/185 ,  B01J35/06 ,  C25B11/04 ,  C25B1/02 ,  C25B11/03

CPC classification number: B01J27/1853 ,  B01J23/75 ,  B01J35/06 ,  B82Y30/00 ,  C25B1/02 ,  C25B11/035 ,  C25B11/0405 ,  C25B11/0415 ,  C25B11/0447

Abstract: Disclosed is a non-precious metal based water electrolysis catalyst represented by CoX/C (X is at least one selected from the group consisting of P, O, B, S and N) for evolution of hydrogen and oxygen at a cathode and anode, respectively, at the same time, the catalyst including a cobalt-containing compound fixed to a carbon carrier.

Abstract translation: 公开了一种用于在阴极和阳极放出氢和氧的由CoX / C（X是选自P，O，B，S和N的至少一种）表示的非贵金属基水电解催化剂， 同时，催化剂包括固定在碳载体上的含钴化合物。

公开(公告)号：US20160006040A1

公开(公告)日：2016-01-07

申请号：US14791656

申请日：2015-07-06

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Sung Pil YOON ,  Hyoung-Juhn KIM ,  Chang Won YOON ,  Seong Cheol JANG ,  Sun-Hee CHOI ,  Jonghee HAN ,  Hyung Chul HAM

IPC: H01M4/90 ,  H01M8/14

CPC classification number: H01M4/9033 ,  C04B35/47 ,  C04B2235/327 ,  C04B2235/768 ,  C04B2235/9669 ,  H01M8/145 ,  H01M2008/147 ,  Y02E60/526 ,  Y02P70/56

Abstract: Disclosed is a homogeneous catalyst having a single phase of Perovskite oxide, wherein at least one doping element is substituted at site A, site B or sites A and B in ABO3 Perovskite type oxide so that the wettability with a liquid molten carbonate electrolyte may be decreased. The catalyst may have high catalytic activity, inhibit catalyst poisoning caused by creepage and evaporation of a liquid molten carbonate electrolyte, maintain high reaction activity for a long time, provide high methane conversion, and allow production of synthetic gas having a high proportion of hydrogen.

Abstract translation: 公开了具有单相钙钛矿氧化物的均相催化剂，其中至少一种掺杂元素在ABO 3钙钛矿型氧化物中的位置A，位置B或位置A和B处被取代，使得与液体熔融碳酸盐电解质的润湿性可能降低 。 催化剂可能具有高催化活性，抑制液体熔融碳酸盐电解质的蠕变和蒸发引起的催化剂中毒，长时间保持高反应活性，提供高甲烷转化率，并允许生产具有高比例氢的合成气体。

公开(公告)号：US20140329169A1

公开(公告)日：2014-11-06

申请号：US14262953

申请日：2014-04-28

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyoung-Juhn KIM ,  Yeon Hye KWON ,  Jun Young HAN ,  Hyung Chul HAM ,  Jong Hyun JANG ,  Suk Woo NAM ,  Eun Ae CHO ,  Sung Jong YOO ,  Chang Won YOON

IPC: H01M8/10

CPC classification number: H01M8/1027 ,  C08G75/00 ,  C08G75/23 ,  C08J5/22 ,  C08J2371/10 ,  C08L81/06 ,  H01B1/122 ,  H01M8/1072 ,  H01M2008/1095 ,  H01M2300/0082 ,  Y02P70/56

Abstract: Provided are a hydroxyl group-containing sulfonated polyethersulfone copolymer, a method for preparing the same, a polymer electrolyte membrane for fuel cell, and a membrane electrode assembly including the same. More particularly, provided are a hydroxyl group-containing sulfonated polyethersulfone electrolyte membrane and a membrane electrode assembly including the same, which are applied to a fuel cell to provide significantly higher ion conductivity as compared to the sulfonated polymer electrolyte membranes according to the related art. The hydroxyl group-containing sulfonated polyethersulfone copolymer electrolyte membrane shows significantly higher ion conductivity under various temperature and humidity conditions as compared to the sulfonated polymer electrolyte membranes according to the related art. Therefore, it is expected that the hydroxyl group-containing sulfonated polyethersulfone copolymer substitutes for expensive fluoropolymer electrolyte membranes such as Nafion.

Abstract translation: 本发明提供含有羟基的磺化聚醚砜共聚物，其制备方法，燃料电池用高分子电解质膜和包含该羟基的膜电极组合物。 更具体地说，与根据现有技术的磺化聚合物电解质膜相比，提供了含有羟基的磺化聚醚砜电解质膜和包含该羟基的磺化聚醚砜电解质膜的膜电极组合物，其被应用于燃料电池以提供显着更高的离子传导性。 与根据现有技术的磺化聚合物电解质膜相比，含羟基的磺化聚醚砜共聚物电解质膜在各种温度和湿度条件下显示出显着更高的离子传导性。 因此，预期含羟基的磺化聚醚砜共聚物代替昂贵的含氟聚合物电解质膜如Nafion。

公开(公告)号：US20140221192A1

公开(公告)日：2014-08-07

申请号：US14171906

申请日：2014-02-04

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Sung Jong YOO ,  Hee-young PARK ,  Jong Hyun JANG ,  Hyoung-Juhn KIM ,  Tae-Hoon LIM ,  Sang Young LEE ,  Sang Hyun AHN ,  Namgee JUNG ,  Suk Woo NAM ,  Eun Ae CHO

IPC: H01M4/88 ,  H01M4/90

CPC classification number: H01M4/9083 ,  H01M4/9041 ,  H01M4/921 ,  H01M4/926 ,  Y02E60/50

Abstract: The present disclosure relates to a method and an apparatus for preparing nanosized metal or alloy nanoparticles by depositing metal or alloy nanoparticles with superior size uniformity on the surface of a powder as a base material by vacuum deposition and then dissolving or melting the base material using a solvent or heat. The method solves the problems of the existing expensive multi-step synthesis method based on chemical reduction and allows effective synthesis of metal or alloy nanoparticles with very uniform size and metal or alloy catalyst nanoparticles supported on carbon at low cost.

Abstract translation: 本公开内容涉及一种通过在真空沉积作为基材的粉末表面上沉积具有优异尺寸均匀性的金属或合金纳米颗粒来制备纳米尺寸金属或合金纳米颗粒的方法和装置，然后使用 溶剂或热量。 该方法解决了基于化学还原的现有昂贵的多步合成方法的问题，并且能够有效合成具有非常均匀尺寸的金属或合金纳米颗粒，并以低成本负载在碳上的金属或合金催化剂纳米颗粒。

公开(公告)号：US20230366113A1

公开(公告)日：2023-11-16

申请号：US17951197

申请日：2022-09-23

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： So Young LEE ,  Hyoung-Juhn KIM ,  Sae Yane BAEK ,  Ju Yeon LEE ,  Young Moo LEE ,  Nanjun CHEN ,  Jong Hyeong PARK

IPC: C25B13/08 ,  C25B1/04

CPC classification number: C25B13/08 ,  C25B1/04

Abstract: Disclosed are a membrane electrode assembly for water electrolysis, a water electrolysis cell including the membrane electrode assembly, and a method for fabricating the membrane electrode assembly. An anion exchange membrane of the membrane electrode assembly for water electrolysis includes a polymer having a stable backbone without aryl ether linkages and containing piperidinium groups with high chemical stability and phenyl-based blocks with excellent mechanical properties introduced therein. Due to its structure, the polymer has improved alkaline stability and processability and excellent mechanical properties, based on which the durability of the membrane electrode assembly can be improved. Therefore, the membrane electrode assembly for water electrolysis can be used to manufacture a water electrolyzer with high current density, low resistance, and improved life characteristics.