Cho, Min Kyung Park, Hee-Young Choe, Seunghoe Yoo, Sung Jong Kim, Jin Young Kim, Hyoung-Juhn Henkensmeier, Dirk Lee, So Young Sung, Yung-Eun Park, Hyun S. Jang, Jong Hyun 2024-01-20T02:00:26Z 2024-01-20T02:00:26Z 2021-09-01 2017-04 0378-7753 https://pubs.kist.re.kr/handle/201004/122891 To improve the cell performance for alkaline anion exchange membrane water electrolysis (AEMWE), the effects of the amount of polytetrafluoroethylene (FIFE) non-ionomeric binder in the anode and the hot pressing conditions during the fabrication of the membrane electrode assemblies (MEAs) on cell performances are studied. The electrochemical impedance data indicates that hot-pressing at 50 degrees C for 1 min during MEA construction can reduce the polarization resistance of AEMWE by similar to 12%, and increase the initial water electrolysis current density at 1.8 V (from 195 to 243 mA cm(-2)). The electrochemical polarization and impedance results also suggest that the AEMWE performance is significantly affected by the content of PTFE binder in the anode electrode, and the optimal content is found to be 9 wt% between 5 and 20 wt%. The AEMWE device fabricated with the optimized parameters exhibits good water splitting performance (299 mA cm(-2) at 1.8 V) without noticeable degradation in voltage cycling operations. (C) 2017 Published by Elsevier B.V. English ELSEVIER SCIENCE BV Factors in electrode fabrication for performance enhancement of anion exchange membrane water electrolysis Article 10.1016/j.jpowsour.2017.02.058 1 JOURNAL OF POWER SOURCES, v.347, pp.283 - 290 JOURNAL OF POWER SOURCES 347 283 290 N scie scopus 000396955100030 2-s2.0-85013956101 Chemistry, Physical Electrochemistry Energy & Fuels Materials Science, Multidisciplinary Chemistry Electrochemistry Energy & Fuels Materials Science Article HOT-PRESSING CONDITIONS METHANOL FUEL-CELLS HYDROGEN-PRODUCTION OXYGEN EVOLUTION CATALYST LAYER ENERGY-SOURCES PEMFC TECHNOLOGY Anion exchange membrane water electrolysis Membrane electrode assembly Polytetrafluoroethylene Hot-pressing Binder content