The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Direct magnetic enhancement of electrocatalytic water oxidation in alkaline media
Open accessAbstract
Industrially profitable water splitting is one of the great challenges in the development of a viable and sustainable hydrogen economy. Alkaline electrolysers using Earth-abundant catalysts remain the most economically viable route to electrolytic hydrogen, but improved efficiency is desirable. Recently, electron spin polarization was described as a potential way to improve water-splitting catalysis. Here, we report the significant enhancement of alkaline water electrolysis when a moderate magnetic field (≤450 mT) is applied to the anode. Current density increments above 100% (over 100 mA cm−2) were found for highly magnetic electrocatalysts, such as the mixed oxide NiZnFe4Ox. Magnetic enhancement works even for decorated Ni–foam electrodes with very high current densities, improving their intrinsic activity by about 40% to reach over 1 A cm−2 at low overpotentials. Thanks to its simplicity, our discovery opens opportunities for implementing magnetic enhancement in water splitting.Some of the best electrocatalysts for the oxygen evolution reaction in alkaline electrolysers are based on oxides of nickel and iron. Here, the authors demonstrate that the water oxidation performance of such catalysts can be enhanced by application of a magnetic field from a permanent magnet.
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Cites
Benchmarking Heterogeneous Electrocatalysts for the Oxygen Evolution Reaction
McCrory, C. C. L., Jung, S., Peters, J. C., & Jaramillo, T. F. (2013) · Journal of the American Chemical Society · doi:10.1021/ja407115p · Cited by 7,026
McCrory, C. C. L., Jung, S., Ferrer, I. M., Chatman, S. M., Peters, J. C., & Jaramillo, T. F. (2015) · Journal of the American Chemical Society · doi:10.1021/ja510442p · Cited by 4,145
Homogeneously dispersed multimetal oxygen-evolving catalysts
Zhang, B., Zheng, X., Voznyy, O., Comin, R., Bajdich, M., García-Melchor, M., Han, L., Xu, J., Liu, M., Zheng, L., et al. (2016) · Science · doi:10.1126/science.aaf1525 · Cited by 2,447
Cited by
Chatenet, M., Pollet, B. G., Dekel, D. R., Dionigi, F., Deseure, J., Millet, P., Braatz, R. D., Bazant, M. Z., Eikerling, M., Staffell, I., et al. (2022) · Chemical Society Reviews · doi:10.1039/d0cs01079k · Cited by 2,025
Zhou, Z., Pei, Z., Wei, L., Zhao, S., Jian, X., & Chen, Y. (2020) · Energy & Environmental Science · doi:10.1039/d0ee01856b · Cited by 542
Strategies to break linear scaling relationships
Pérez-Ramírez, J., & López, N. (2019) · Nature Catalysis · doi:10.1038/s41929-019-0376-6 · Cited by 528
Self-citationRational Design of Better Hydrogen Evolution Electrocatalysts for Water Splitting: A Review
Liu, F., Shi, C., Guo, X., He, Z., Pan, L., Huang, Z., Zhang, X., & Zou, J. (2022) · Advanced Science · doi:10.1002/advs.202200307 · Cited by 455
Do, V.-H., & Lee, J.-M. (2022) · ACS Nano · doi:10.1021/acsnano.2c08919 · Cited by 292
Metadata
- Authors
- Garcés-Pineda, F. A., Blasco-Ahicart, M., Nieto-Castro, D., López, N., & Galán-Mascarós, J. R.
- Venue
- Nature Energy
- Published
- 2019-06-10
- Volume
- 4
- Issue
- 6
- Pages
- 519-525
- ISSN
- 2058-7546 (ISSN-L)
- OpenAlex
- W2951720513
- Cited by
- 763
- References
- 3
- FWCI
- 14.12
- Type
- journal article
- Language
- en
- Open access
- green
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