Ru-core Ir-shell electrocatalysts deposited on a surface-modified Ti-based porous transport layer for polymer electrolyte membrane water electrolysis
Masahiro Yasutake
1
,
Zhiyun Noda
2
,
Junko Matsuda
2
,
Stephen M. Lyth
2, 3
,
Masamichi Nishihara
1
,
Kohei Ito
2
,
Akari Hayashi
2
,
Kazunari Sasaki
2
Publication type: Journal Article
Publication date: 2024-01-01
scimago Q1
wos Q1
SJR: 1.685
CiteScore: 13.3
Impact factor: 8.3
ISSN: 03603199, 18793487
Condensed Matter Physics
Energy Engineering and Power Technology
Fuel Technology
Renewable Energy, Sustainability and the Environment
Abstract
Novel Ru-core Ir-shell catalyst-integrated porous transport electrodes (PTEs) for polymer electrolyte membrane water electrolysis (PEMWE) cells are prepared, in which Ru-core Ir-shell catalyst nanostructures are directly deposited onto a porous transport layer (PTL) via arc plasma deposition (APD). The PTL has a nanostructured TiO2 surface prepared via NaOH etching, acting as a catalyst support. The performance and durability of these Ru-core Ir-shell catalysts depend strongly on the ratio of Ir and Ru. The current-voltage (I–V) characteristics of PEMWE cells were improved by applying these core-shell catalysts with a low Ir loading of around 0.1 mg cm−2. The core-shell catalyst-integrated PTEs can operate at current densities of up to 10 A cm−2 without exhibiting limiting current behavior. This unique combination of the core-shell catalyst and the PTE structure enables PEMWE cell operation with low iridium loading and high current density, potentially reducing the cost of green hydrogen.
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20
Total citations:
20
Citations from 2024:
19
(95%)
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Yasutake M. et al. Ru-core Ir-shell electrocatalysts deposited on a surface-modified Ti-based porous transport layer for polymer electrolyte membrane water electrolysis // International Journal of Hydrogen Energy. 2024. Vol. 49. pp. 169-183.
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Yasutake M., Noda Z., Matsuda J., Lyth S. M., Nishihara M., Ito K., Hayashi A., Sasaki K. Ru-core Ir-shell electrocatalysts deposited on a surface-modified Ti-based porous transport layer for polymer electrolyte membrane water electrolysis // International Journal of Hydrogen Energy. 2024. Vol. 49. pp. 169-183.
Cite this
RIS
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TY - JOUR
DO - 10.1016/j.ijhydene.2023.07.048
UR - https://doi.org/10.1016/j.ijhydene.2023.07.048
TI - Ru-core Ir-shell electrocatalysts deposited on a surface-modified Ti-based porous transport layer for polymer electrolyte membrane water electrolysis
T2 - International Journal of Hydrogen Energy
AU - Yasutake, Masahiro
AU - Noda, Zhiyun
AU - Matsuda, Junko
AU - Lyth, Stephen M.
AU - Nishihara, Masamichi
AU - Ito, Kohei
AU - Hayashi, Akari
AU - Sasaki, Kazunari
PY - 2024
DA - 2024/01/01
PB - Elsevier
SP - 169-183
VL - 49
SN - 0360-3199
SN - 1879-3487
ER -
Cite this
BibTex (up to 50 authors)
Copy
@article{2024_Yasutake,
author = {Masahiro Yasutake and Zhiyun Noda and Junko Matsuda and Stephen M. Lyth and Masamichi Nishihara and Kohei Ito and Akari Hayashi and Kazunari Sasaki},
title = {Ru-core Ir-shell electrocatalysts deposited on a surface-modified Ti-based porous transport layer for polymer electrolyte membrane water electrolysis},
journal = {International Journal of Hydrogen Energy},
year = {2024},
volume = {49},
publisher = {Elsevier},
month = {jan},
url = {https://doi.org/10.1016/j.ijhydene.2023.07.048},
pages = {169--183},
doi = {10.1016/j.ijhydene.2023.07.048}
}