PEFCs Using Metallic Ti and Sn Gas Diffusion Layers

Kotaro Yamamoto; Masahiro Yasutake; Zhiyun Noda; Junko Matsuda; Masamichi Nishihara; Akari Hayashi; Kazunari Sasaki

doi:10.1149/10408.0359ecst

PEFCs Using Metallic Ti and Sn Gas Diffusion Layers

Kotaro Yamamoto, Masahiro Yasutake, Zhiyun Noda, Junko Matsuda, Masamichi Nishihara, Akari Hayashi, Kazunari Sasaki

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

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.

Original language	English
Title of host publication	240th ECS Meeting - Polymer Electrolyte Fuel Cells and Electrolyzers 21 (PEFC and E 21)
Publisher	IOP Publishing Ltd.
Pages	359-369
Number of pages	11
Edition	8
ISBN (Electronic)	9781607685395
DOIs	https://doi.org/10.1149/10408.0359ecst
Publication status	Published - 2021
Event	240th ECS Meeting - Orlando, United States Duration: Oct 10 2021 → Oct 14 2021

Publication series

Name	ECS Transactions
Number	8
Volume	104
ISSN (Print)	1938-6737
ISSN (Electronic)	1938-5862

Conference

Conference	240th ECS Meeting
Country/Territory	United States
City	Orlando
Period	10/10/21 → 10/14/21

All Science Journal Classification (ASJC) codes

General Engineering

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10.1149/10408.0359ecst

Cite this

Yamamoto, K., Yasutake, M., Noda, Z., Matsuda, J., Nishihara, M., Hayashi, A., & Sasaki, K. (2021). PEFCs Using Metallic Ti and Sn Gas Diffusion Layers. In 240th ECS Meeting - Polymer Electrolyte Fuel Cells and Electrolyzers 21 (PEFC and E 21) (8 ed., pp. 359-369). Article 359 (ECS Transactions; Vol. 104, No. 8). IOP Publishing Ltd.. https://doi.org/10.1149/10408.0359ecst

PEFCs Using Metallic Ti and Sn Gas Diffusion Layers. / Yamamoto, Kotaro; Yasutake, Masahiro ; Noda, Zhiyun et al.
240th ECS Meeting - Polymer Electrolyte Fuel Cells and Electrolyzers 21 (PEFC and E 21). 8. ed. IOP Publishing Ltd., 2021. p. 359-369 359 (ECS Transactions; Vol. 104, No. 8).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Yamamoto, K, Yasutake, M , Noda, Z , Matsuda, J , Nishihara, M , Hayashi, A & Sasaki, K 2021, PEFCs Using Metallic Ti and Sn Gas Diffusion Layers. in 240th ECS Meeting - Polymer Electrolyte Fuel Cells and Electrolyzers 21 (PEFC and E 21). 8 edn, 359, ECS Transactions, no. 8, vol. 104, IOP Publishing Ltd., pp. 359-369, 240th ECS Meeting, Orlando, United States, 10/10/21. https://doi.org/10.1149/10408.0359ecst

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AU - Yamamoto, Kotaro

AU - Yasutake, Masahiro

AU - Noda, Zhiyun

AU - Matsuda, Junko

AU - Nishihara, Masamichi

AU - Hayashi, Akari

AU - Sasaki, Kazunari

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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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PEFCs Using Metallic Ti and Sn Gas Diffusion Layers

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