The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
Low Loading of RhxP and RuP on N, P Codoped Carbon as Two Trifunctional Electrocatalysts for the Oxygen and Hydrogen Electrode Reactions
Abstract
Reducing the consumption of noble metals in energy devices, such as fuel cells, zinc–air batteries, and water splitting cells, is a core issue for achieving an environmentally sustainable society. Herein, two highly efficient electrocatalysts are synthesized, composed of N, P codoped carbon (NPC) modified with noble metals phosphides (RhxP/NPC and RuP/NPC) through pyrolysis of a mixture of RhCl 3 · x H 2 O or RuCl 3 · x H 2 O, respectively, with phytic acid. Unlike the reported rhodium and ruthenium phosphides, RhxP/NPC and RuP/NPC have a low loading of Rh (≈0.4 wt%) and Ru (≈0.5 wt%) and yet still exhibit excellent trifunctional activities for oxygen reduction, oxygen evolution, and hydrogen evolution reactions. For hydrogen evolution, RhxP/NPC shows a Pt‐like activity and excellent durability in acidic medium. Notably, RuP/NPC becomes more active after 2000 cycles in the durability test. For oxygen reduction, both of the catalysts show a half‐wave potential of 0.89 V, which is positively shifted 40 mV relative to that of Pt/C (0.85 V) in 0.1 m KOH. In addition, RhxP/NPC and RuP/NPC also exhibit activities superior to that of IrO 2 in oxygen evolution. Finally, zinc–air batteries and water splitting cells assembled with RhxP/NPC and RuP/NPC catalysts display good performance.
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Cites
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Cited by
Recent Advances and Prospective in Ruthenium-Based Materials for Electrochemical Water Splitting
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Multifunctional Transition Metal‐Based Phosphides in Energy‐Related Electrocatalysis
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Self-citation
Metadata
- Authors
- Qin, Q., Jang, H., Chen, L., Nam, G., Liu, X., & Cho, J.
- Venue
- Advanced Energy Materials
- Publisher
- Wiley
- Published
- 2018-08-13
- Volume
- 8
- Issue
- 29
- ISSN
- 1614-6832 (ISSN-L)
- 1614-6840
- OpenAlex
- W2887567108
- Cited by
- 210
- References
- 12
- FWCI
- 7.24
- Type
- journal article
- Language
- en
- Open access
- closed
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- Qin, Q., Jang, H., Chen, L., Nam, G., Liu, X., & Cho, J. (2018). Low Loading of RhxP and RuP on N, P Codoped Carbon as Two Trifunctional Electrocatalysts for the Oxygen and Hydrogen Electrode Reactions. Advanced Energy Materials. https://doi.org/10.1002/aenm.201801478
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