The DOI matches its Crossref record; 49 of the 49 references it cites were found in a registry or an index.
Promoting Effect of Ni(OH)2 on Palladium Nanocrystals Leads to Greatly Improved Operation Durability for Electrocatalytic Ethanol Oxidation in Alkaline Solution
Abstract
Most electrocatalysts for the ethanol oxidation reaction suffer from extremely limited operational durability and poor selectivity toward the CC bond cleavage. In spite of tremendous efforts over the past several decades, little progress has been made in this regard. This study reports the remarkable promoting effect of Ni(OH)2 on Pd nanocrystals for electrocatalytic ethanol oxidation reaction in alkaline solution. A hybrid electrocatalyst consisting of intimately mixed nanosized Pd particles, defective Ni(OH)2 nanoflakes, and a graphene support is prepared via a two‐step solution method. The optimal product exhibits a high mass‐specific peak current of >1500 mA mg−1Pd, and excellent operational durability forms both cycling and chronoamperometric measurements in alkaline solution. Most impressively, this hybrid catalyst retains a mass‐specific current of 440 mA mg−1 even after 20 000 s of chronoamperometric testing, and its original activity can be regenerated via simple cyclic voltammetry cycles in clean KOH. This great catalyst durability is understood based on both CO stripping and in situ attenuated total reflection infrared experiments suggesting that the presence of Ni(OH)2 alleviates the poisoning of Pd nanocrystals by carbonaceous intermediates. The incorporation of Ni(OH)2 also markedly shifts the reaction selectivity from the originally predominant C2 pathway toward the more desirable C1 pathway, even at room temperature.
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Cites
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Cited by
Li, P., Wang, M., Duan, X., Zheng, L., Cheng, X., Zhang, Y., Kuang, Y., Li, Y., Ma, Q., Feng, Z., et al. (2019) · Nature Communications · doi:10.1038/s41467-019-09666-0 · Cited by 717
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Self-citationKumar, A., Raizada, P., Singh, P., Saini, R. V., Saini, A. K., & Hosseini-Bandegharaei, A. (2020) · Chemical Engineering Journal · doi:10.1016/j.cej.2019.123496 · Cited by 435
2D PdAg Alloy Nanodendrites for Enhanced Ethanol Electroxidation
Huang, W., Kang, X., Xu, C., Zhou, J., Deng, J., Li, Y., & Cheng, S. (2018) · Advanced Materials · doi:10.1002/adma.201706962 · Cited by 323
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Metadata
- Authors
- Huang, W., Ma, X., Wang, H., Feng, R., Zhou, J., Duchesne, P. N., Zhang, P., Chen, F., Han, N., Zhao, F., Zhou, J., Cai, W., & Li, Y.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2017-08
- Volume
- 29
- Issue
- 37
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2740317677
- Cited by
- 320
- References
- 49
- FWCI
- 7.69
- Type
- journal article
- Language
- en
- Open access
- closed
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- Huang, W., Ma, X., Wang, H., Feng, R., Zhou, J., Duchesne, P. N., Zhang, P., Chen, F., Han, N., Zhao, F., Zhou, J., Cai, W., & Li, Y. (2017). Promoting Effect of Ni(OH)2 on Palladium Nanocrystals Leads to Greatly Improved Operation Durability for Electrocatalytic Ethanol Oxidation in Alkaline Solution. Advanced Materials. https://doi.org/10.1002/adma.201703057
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