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Reducing Iridium Loading in Oxygen Evolution Reaction Electrocatalysts Using Core–Shell Particles with Nitride Cores
Open accessAbstract
The oxygen evolution reaction (OER) has broad applications in electrochemical devices, but it often requires expensive and scarce Ir-based catalysts in acid electrolyte. Presented here is a framework to reduce Ir loading by combining core–shell iridium/metal nitride morphologies using in situ experiments and density functional theory (DFT) calculations. Several group VIII transition metal (Fe, Co, and Ni) nitrides are studied as core materials, with Ir/Fe 4 N core–shell particles showing enhancement in both OER activity and stability. In situ X-ray absorption fine structure measurements are used to determine the structure and stability of the core–shell catalysts under OER conditions. DFT calculations are used to demonstrate adsorbate binding energies as descriptors of the observed activity trends.
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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
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
Cited by
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
In Situ/Operando Electrocatalyst Characterization by X-ray Absorption Spectroscopy
Timoshenko, J., & Roldan Cuenya, B. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.0c00396 · Cited by 931
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
Iridium-based nanomaterials for electrochemical water splitting
Chen, Z., Duan, X., Wei, W., Wang, S., & Ni, B.-J. (2020) · Nano Energy · doi:10.1016/j.nanoen.2020.105270 · Cited by 375
Advances in Oxygen Evolution Electrocatalysts for Proton Exchange Membrane Water Electrolyzers
Chen, Z., Guo, L., Pan, L., Yan, T., He, Z., Li, Y., Shi, C., Huang, Z., Zhang, X., & Zou, J. (2022) · Advanced Energy Materials · doi:10.1002/aenm.202103670 · Cited by 298
Metadata
- Authors
- Tackett, B. M., Sheng, W., Kattel, S., Yao, S., Yan, B., Kuttiyiel, K. A., Wu, Q., & Chen, J. G.
- Venue
- ACS Catalysis
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-02-21
- Volume
- 8
- Issue
- 3
- Pages
- 2615-2621
- ISSN
- 2155-5435 (ISSN-L)
- OpenAlex
- W2787123624
- Cited by
- 159
- References
- 2
- FWCI
- 3.73
- Type
- journal article
- Language
- en
- Open access
- green
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