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Iridium-Based Nanowires as Highly Active, Oxygen Evolution Reaction Electrocatalysts
Open accessAbstract
Iridium–nickel (Ir–Ni) and iridium–cobalt (Ir–Co) nanowires have been synthesized by galvanic displacement and studied for their potential to increase the performance and durability of electrolysis systems. Performances of Ir–Ni and Ir–Co nanowires for the oxygen evolution reaction (OER) have been measured in rotating disk electrode half-cells and single-cell electrolyzers and compared with commercial baselines and literature references. The nanowire catalysts showed improved mass activity, by more than an order of magnitude compared with commercial Ir nanoparticles in half-cell tests. The nanowire catalysts also showed greatly improved durability, when acid-leached to remove excess Ni and Co. Both Ni and Co templates were found to have similarly positive impacts, although specific differences between the two systems are revealed. In single-cell electrolysis testing, nanowires exceeded the performance of Ir nanoparticles by 4–5 times, suggesting that significant reductions in catalyst loading are possible without compromising performance.
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Gasteiger, H. A., Kocha, S. S., Sompalli, B., & Wagner, F. T. (2005) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2004.06.021 · Cited by 4,876
Universality in Oxygen Evolution Electrocatalysis on Oxide Surfaces
Man, I. C., Su, H., Calle‐Vallejo, F., Hansen, H. A., Martínez, J. I., Inoglu, N. G., Kitchin, J., Jaramillo, T. F., Nørskov, J. K., & Rossmeisl, J. (2011) · ChemCatChem · doi:10.1002/cctc.201000397 · Cited by 4,769
Underpotential Deposition at Single Crystal Surfaces of Au, Pt, Ag and Other Materials
Herrero, E., Buller, L. J., & Abruña, H. D. (2001) · Chemical Reviews · doi:10.1021/cr9600363 · Cited by 934
Highly Active and Stable Iridium Pyrochlores for Oxygen Evolution Reaction
Lebedev, D., Povia, M., Waltar, K., Abdala, P. M., Castelli, I. E., Fabbri, E., Blanco, M. V., Fedorov, A., Copéret, C., Marzari, N., et al. (2017) · Chemistry of Materials · doi:10.1021/acs.chemmater.7b00766 · Cited by 228
Cited by
Chen, F.-Y., Wu, Z.-Y., Adler, Z., & Wang, H. (2021) · Joule · doi:10.1016/j.joule.2021.05.005 · Cited by 1,284
Robust noble metal-based electrocatalysts for oxygen evolution reaction
Shi, Q., Zhu, C., Du, D., & Lin, Y. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00671g · Cited by 1,161
Bifunctional Electrocatalysts for Overall and Hybrid Water Splitting
Quan, L., Jiang, H., Mei, G., Sun, Y., & You, B. (2024) · Chemical Reviews · doi:10.1021/acs.chemrev.3c00332 · Cited by 874
Jin, Z., Lv, J., Jia, H., Liu, W., Li, H., Chen, Z., Lin, X., Xie, G., Liu, X., Sun, S., et al. (2019) · Small · doi:10.1002/smll.201904180 · Cited by 425
Perspectives on Low-Temperature Electrolysis and Potential for Renewable Hydrogen at Scale
Ayers, K., Danilovic, N., Ouimet, R., Carmo, M., Pivovar, B., & Bornstein, M. (2019) · Annual Review of Chemical and Biomolecular Engineering · doi:10.1146/annurev-chembioeng-060718-030241 · Cited by 406
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Metadata
- Authors
- Alia, S. M., Shulda, S., Ngo, C., Pylypenko, S., & Pivovar, B. S.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-02-06
- Volume
- 8
- Issue
- 3
- Pages
- 2111-2120
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2653362540
- Cited by
- 226
- References
- 4
- FWCI
- 6.84
- Type
- journal article
- Language
- en
- Open access
- green
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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