First Author & Corresponding Author (Hirofumi Sumi)

2025

• 43) H. Sumi, M. Momai, Y. Tanaka and T. Matsui, "Reduced Gas Diffusion Resistance via Modification of Negatrode Morphology for Steam/CO₂ Co-electrolysis SOEC", Electrochem. Commun., 179 (2025) 108022.
  https://doi.org/10.1016/j.elecom.2025.108022
• 42) H. Sumi, H. Shimada, Y. Yamaguchi, M. Fujioka, M. Momai, K. Sato, M. Yamaguchi, R. A. Budiman and T. Kawada, "Effect of Noble Metallic Current Collectors and Contact Layers on Power Density and Polarization Resistance of Planar Solid Oxide Fuel Cells", Int. J. Hydrogen Energy, 127 (2025) 286-294.
  https://doi.org/10.1016/j.ijhydene.2025.04.153
• 41) H. Sumi, K. Watanabe, A. Sharma, M. Fujioka, H. Shimada, Y. Mizutani, M. S. Alam and I. Kagomiya, "Oxygen Reduction Kinetics of High Performance BaCo_0.4Fe_0.4M_0.1Y_0.1O_3-δ (M = Mg, Zr) Positrode for Protonic Ceramic Fuel Cells", Commun. Chem., 8 (2025) 71.
  https://doi.org/10.1038/s42004-025-01468-4

• ax) H. Sumi, Y. Okuyama and T. Matsui, "Issues of Proton-conductive Ceramic Electrolytes", J. Fuel Cell Technol., 24(4) (2025) 55-61.
  https://www.fcdic.jp/pdf/toukouronbun/toukou52.pdf