The DOI matches its Crossref record; 14 of the 14 references it cites were found in a registry or an index.
Evaluating the Stability of Co2P Electrocatalysts in the Hydrogen Evolution Reaction for Both Acidic and Alkaline Electrolytes
Open accessAbstract
Abstract The evaluation of the stability of emerging earth-abundant metal phosphide electrocatalysts by solely electrochemical current–potential sweeps is often not conclusive. In this study, we investigated Co2P to evaluate its stability under both acidic (0.5 M H2SO4) and alkaline (1.0 M KOH) hydrogen evolution (HER) conditions. We found that the electrochemical surface area (ECSA) of Co2P only slightly increased in acidic conditions but almost doubled after electrolysis in alkaline electrolyte. The surface composition of the electrode remained almost unchanged in acid but was significantly altered in alkaline during current–potential sweeps. Analysis of the electrolytes after the stability test shows almost stoichiometric composition of Co and P in acid, but a preferential dissolution of P over Co could be observed in alkaline electrolyte. Applying comprehensive postcatalysis analysis of both the electrode and electrolyte, we conclude that Co2P, prepared by thermal phosphidization, dissolves stoichiometrically in acid and degrades to hydroxides under alkaline stability testing.
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Cites
Benchmarking Heterogeneous Electrocatalysts for the Oxygen Evolution Reaction
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Nanostructured Nickel Phosphide as an Electrocatalyst for the Hydrogen Evolution Reaction
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Nanostructured hydrotreating catalysts for electrochemical hydrogen evolution
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Highly Active Electrocatalysis of the Hydrogen Evolution Reaction by Cobalt Phosphide Nanoparticles
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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
CoP‐Doped MOF‐Based Electrocatalyst for pH‐Universal Hydrogen Evolution Reaction
Liu, T., Li, P., Yao, N., Cheng, G., Chen, S., Luo, W., & Yin, Y. (2019) · Angewandte Chemie International Edition · doi:10.1002/anie.201901409 · Cited by 606
Multifunctional Transition Metal‐Based Phosphides in Energy‐Related Electrocatalysis
Li, Y., Dong, Z., & Jiao, L. (2020) · Advanced Energy Materials · doi:10.1002/aenm.201902104 · Cited by 603
Huang, Y., Hu, L., Liu, R., Hu, Y., Xiong, T., Qiu, W., Balogun, M.-S. (. T., Pan, A., & Tong, Y. (2019) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2019.03.037 · Cited by 336
Zhai, L., Benedict Lo, T. W., Xu, Z.-L., Potter, J., Mo, J., Guo, X., Tang, C. C., Edman Tsang, S. C., & Lau, S. P. (2020) · ACS Energy Letters · doi:10.1021/acsenergylett.0c01385 · Cited by 188
Metadata
- Authors
- Zhang, Y., Gao, L., Hensen, E. J. M., & Hofmann, J. P.
- Venue
- ACS Energy Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-05-16
- Volume
- 3
- Issue
- 6
- Pages
- 1360-1365
- ISSN
- 2380-8195 (ISSN-L)
- OpenAlex
- W2804278674
- Cited by
- 416
- References
- 14
- FWCI
- 8.88
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Zhang, Y., Gao, L., Hensen, E. J. M., & Hofmann, J. P. (2018). Evaluating the Stability of Co2P Electrocatalysts in the Hydrogen Evolution Reaction for Both Acidic and Alkaline Electrolytes. ACS Energy Letters. https://doi.org/10.1021/acsenergylett.8b00514
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