TY - GEN
T1 - PEFCs Using Metallic Ti and Sn Gas Diffusion Layers
AU - Yamamoto, Kotaro
AU - Yasutake, Masahiro
AU - Noda, Zhiyun
AU - Matsuda, Junko
AU - Nishihara, Masamichi
AU - Hayashi, Akari
AU - Sasaki, Kazunari
N1 - Publisher Copyright:
© 2021 ECS - The Electrochemical Society.
PY - 2021
Y1 - 2021
N2 - Porous carbon materials, which are widely used as gas diffusion layer (GDL) in PEFCs, have several issues including high cost and mechanical strength. In order to reduce the cost and thickness of GDLs, we focus on the possible use of metallic Ti and Sn as alternative GDL materials. In this study, Sn/Ti and Sn/Sn GDLs are prepared, which are based on porous Ti or Sn plates coated with Sn layer. Microstructural observations using scanning electron microscope (SEM) confirmed that porous Sn dendrite layer could be formed on the metallic GDLs. Current-voltage measurements of the cells using these materials revealed that the porous structure of the GDLs, on which Sn dendrites were formed, is advantageous to improve electrical contact.
AB - Porous carbon materials, which are widely used as gas diffusion layer (GDL) in PEFCs, have several issues including high cost and mechanical strength. In order to reduce the cost and thickness of GDLs, we focus on the possible use of metallic Ti and Sn as alternative GDL materials. In this study, Sn/Ti and Sn/Sn GDLs are prepared, which are based on porous Ti or Sn plates coated with Sn layer. Microstructural observations using scanning electron microscope (SEM) confirmed that porous Sn dendrite layer could be formed on the metallic GDLs. Current-voltage measurements of the cells using these materials revealed that the porous structure of the GDLs, on which Sn dendrites were formed, is advantageous to improve electrical contact.
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U2 - 10.1149/10408.0359ecst
DO - 10.1149/10408.0359ecst
M3 - Conference contribution
AN - SCOPUS:85116866979
T3 - ECS Transactions
SP - 359
EP - 369
BT - 240th ECS Meeting - Polymer Electrolyte Fuel Cells and Electrolyzers 21 (PEFC and E 21)
PB - IOP Publishing Ltd.
T2 - 240th ECS Meeting
Y2 - 10 October 2021 through 14 October 2021
ER -