Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Byungchan Hwang"'
Autor:
Zulfi Al Rasyid Gautama, Yasir Arafat Hutapea, Byungchan Hwang, Junko Matsuda, Albert Mufundirwa, Takeharu Sugiyama, Miho Ariyoshi, Shigenori Fujikawa, Stephen Matthew Lyth, Akari Hayashi, Kazunari Sasaki, Masamichi Nishihara
Publikováno v:
Journal of Membrane Science. 658:120734
Autor:
Kazunari Sasaki, Takamasa Kikuchi, Liana Christiani, Shiyan Feng, Masamichi Nishihara, Byungchan Hwang, Shoichi Kondo
Publikováno v:
ACS Applied Energy Materials. 2:8715-8723
We developed polymer electrolyte membranes (PEMs) utilizing charge-transfer (CT) interactions for polymer electrolyte fuel cells (PEFCs). CT complex formation was applied to control the position of proton conductive groups in the membranes. To unders
Publikováno v:
Korean Chemical Engineering Research. 54:593-597
고분자전해질 연료전지에서 전해질막의 이온전도도에 미치는 상대습도, 전류밀도, 온도의 영향에 대해 연구하였다. 전해질막의 물의 함량과 물의 이동은 이온전도도에 많은 영향을 미친다
Autor:
Byungchan Hwang, Kwon-Pil Park, Hye-Ri Lee, Jung-Hun Lee, Se-Hoon Lee, Il-Chai Na, Sung-June Oh
Publikováno v:
Korean Chemical Engineering Research. 54:305-309
− Recently, there are many efforts focused on development of more economical non-fluorinated membranes for PEMFCs (Proton Exchange Membrane Fuel Cells). In this study, to test the durability of sPEEK MEA (Membrane and Electrode Assembly), ADT (Acce
Autor:
Sung-June Oh, Jung-Hun Lee, Hye-Ri Lee, Il-Chai Na, Byungchan Hwang, Kwon-Pil Park, Se-Hoon Lee
Publikováno v:
Korean Chemical Engineering Research. 54:181-186
최근에 저가의 고분자 전해질 연료전지(Proton Exchange Membrane Fuel Cells, PEMFC)용 비불소계 전해질 막 연구개발이 활발히 진행되고 있다. 본 연구에서는 sulfonated Poly(ether ether ketone)(sPEEK)막의 특성
Autor:
Byungchan Hwang, Hye-Ri Lee, Il-Chai Na, Kwon-Pil Park, Young-Sook Kim, Cheun-Ho Chu, Se-Hoon Lee
Publikováno v:
Korean Chemical Engineering Research. 53:667-671
Anode는 효소를 이용한 효소전극과 cathode는 PEMFC용 전극을 이용해 효소연료전지를 구동하였다. 효소 anode는graphite 분말과 효소로서 글루코스 산화제, 전자매개체로 ferrocene을 혼합해 압축해서
Autor:
Takamasa Kikuchi, Shoichi Kondo, Kazunari Sasaki, Masamichi Nishihara, Byungchan Hwang, Akari Hayashi
Publikováno v:
Journal of Applied Polymer Science. 138:50328
Autor:
Byungchan Hwang, Takamasa Kikuchi, Kazunari Sasaki, Masamichi Nishihara, Akari Hayashi, Shoichi Kondo
Publikováno v:
ECS Meeting Abstracts. :2263-2263
Introduction Silicone polymers generally have characteristics such as thermal/chemical stability compared to hydrocarbon polymer [1,2]. As such, we have focused on silicone polymers as new alternative polymer electrolyte membranes (PEMs) in this stud
Publikováno v:
Korean Chemical Engineering Research. 51:35-41
Properties of hydrolysis reaction using Co-P-B/FeCrAlloy catalyst and the catalyst durability were studied. Co-P-B/FeCrAlloy catalyst showed low activation energy such as 25.2 kJ/mol in 5 wt% solution, which was similar that of noble metal catalyst.
Publikováno v:
Korean Chemical Engineering Research. 50:627-631
Sodium borohydride, , shows a number of advantages as hydrogen source for portable proton exchange membrane fuel cells (PEMFCs). The durability of Co-P-B/Cu catalyst for sodium borohydride hydrolysis reaction was studied. The effect of reaction tempe