Fuel cell performance improvement via the steric effect of a hydrocarbon-based binder for cathode in proton exchange membrane fuel cells

DOI: 10.1038/s41598-022-18464-6 Authors: Jung-Eun Cha, Won Jae Cho, Jeemin Hwang, Dong-Jun Seo, Young Woo Choi, Won Bae Kim Abstract: Abstract In this study, a sulfonated poly(ether sulfone) having cardo-type fluorenyl groups (FL-SPES) was investigated as a cathodic...

Effects of Humidification with NaCl Solution Mist on Electrochemical Characteristics of Polymer Electrolyte Membrane Fuel Cells

DOI: 10.3390/su142316242 Authors: Ho Jun Yoo, Gu Young Cho Abstract: This study examined the effects of mist generated from NaCl solution on the electrochemical properties of polymer electrolyte membrane fuel cells. Mist-containing Na+ and Cl- ions were generated...

Carbon Support Corrosion in PEMFCs Followed by Identical Location Electron Microscopy

DOI: 10.1021/acscatal.4c00417 Authors: Linnéa Strandberg, Victor Shokhen, Magnus Skoglundh, Björn Wickman Abstract: Identical location scanning electron microscopy (IL-SEM) and transmission electron microscopy (IL-TEM) are used to follow the degradation of the...

Atomic-level Ru-Ir mixing in rutile-type (RuIr)O2 for efficient and durable oxygen evolution catalysis

DOI: 10.1038/s41467-025-55910-1 Authors: Yeji Park, Ho Yeon Jang, Tae Kyung Lee, Taekyung Kim, Doyeop Kim, Dong-Jin Kim, Hionsuck Baik, Jinwon Choi, Taehyun Kwon, Sung Jong Yoo, Seoin Back, Kwangyeol Lee Abstract: Abstract The success of proton exchange membrane water...

The Analysis on the Activation Procedure of Polymer Electrolyte Fuel Cells

DOI: 10.33961/jecst.2011.2.3.131 Authors: Jong-Mun Jang, Gu‐Gon Park, Young-Jun Sohn, Sung‐Dae Yim, Chang Soo Kim, Tae‐Hyun Yang Abstract: It is, in general, believed that during the activation process, the proton conductivity increases due to wetting effect and the...