公开(公告)号：US10186712B2

公开(公告)日：2019-01-22

申请号：US15790051

申请日：2017-10-23

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyung Chul Ham ,  Jinwon Cho ,  Hyun Seo Park ,  Jong Hyun Jang ,  Sung Jong Yoo ,  Chang Won Yoon ,  Hyoung-Juhn Kim ,  Sung Pil Yoon ,  Jonghee Han ,  Suk Woo Nam

IPC: H01M4/92 ,  H01M12/06 ,  C22C38/04 ,  B01J25/00 ,  B01J23/62 ,  B01J23/644 ,  C22C5/04 ,  H01M4/86 ,  H01M8/1018

Abstract: Provided is a catalyst for an oxygen reduction reaction, including an alloy in which two metals are mixed, in which the corresponding alloy is an alloy of iridium (Ir); and silicon (Si), phosphorus (P), germanium (Ge), or arsenic (As). The corresponding catalyst for the oxygen reduction reaction may have excellent price competitiveness while exhibiting a catalytic activity which is equal to or similar to that of an existing Pt catalyst. Accordingly, when the catalyst is used, the amount of platinum catalyst having low price competitiveness may be reduced, so that a production unit cost of a system to which the corresponding catalyst is applied may be lowered.

公开(公告)号：US09156008B2

公开(公告)日：2015-10-13

申请号：US13892548

申请日：2013-05-13

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Hyoung-Juhn Kim ,  Jun Young Han ,  Jong Hyun Jang ,  Eun Ae Cho ,  Jonghee Han ,  Suk Woo Nam ,  Tae-Hoon Lim ,  Sung Pil Yoon ,  Sung Jong Yoo ,  Dirk Henkensmeier

IPC: B01D71/62 ,  B01D53/22 ,  B01D67/00 ,  C08G73/18 ,  C01B13/02

CPC classification number: B01D71/62 ,  B01D53/228 ,  B01D67/0002 ,  B01D67/0095 ,  B01D2256/12 ,  B01D2257/102 ,  C01B13/0251 ,  C08G73/18

Abstract: Provided are cardo copolybenzimidazoles, a gas separation membrane using the same and a method for preparing the same. More particularly, provided are cardo copolybenzimidazoles obtained by introducing cardo groups and aromatic ether groups to a polybenzimidazole backbone, a gas separation membrane having significantly improved oxygen permeability by using the same, and a method for preparing the same. The cardo copolybenzimidazoles have improved solubility as compared to the polybenzimidazole polymers according to the related art, show excellent mechanical properties while maintaining thermal stability so as to be formed into a film shape, and provide a gas separation membrane having significantly improved gas permeability, particularly, oxygen permeability.

Abstract translation: 提供的是共聚苯并咪唑类，其使用的气体分离膜及其制备方法。 更具体地说，提供了通过将聚苯并咪唑主链导体基团和芳族醚基团引入的共聚苯并咪唑，通过使用它们具有显着改善的氧渗透性的气体分离膜及其制备方法。 与根据现有技术的聚苯并咪唑聚合物相比，卡诺共聚苯并咪唑具有改善的溶解性，显示优异的机械性能，同时保持热稳定性以形成膜状，并提供具有显着改善的气体渗透性的气体分离膜， 透氧性。