The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.
Metal–Organic‐Framework‐Derived Hybrid Carbon Nanocages as a Bifunctional Electrocatalyst for Oxygen Reduction and Evolution
Open accessAbstract
The oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are cornerstone reactions for many renewable energy technologies. Developing cheap yet durable substitutes of precious‐metal catalysts, especially the bifunctional electrocatalysts with high activity for both ORR and OER reactions and their streamlined coupling process, are highly desirable to reduce the processing cost and complexity of renewable energy systems. Here, a facile strategy is reported for synthesizing double‐shelled hybrid nanocages with outer shells of Co‐N‐doped graphitic carbon (Co‐NGC) and inner shells of N‐doped microporous carbon (NC) by templating against core–shell metal–organic frameworks. The double‐shelled NC@Co‐NGC nanocages well integrate the high activity of Co‐NGC shells into the robust NC hollow framework with enhanced diffusion kinetics, exhibiting superior electrocatalytic properties to Pt and RuO 2 as a bifunctional electrocatalyst for ORR and OER, and hold a promise as efficient air electrode catalysts in Zn–air batteries. First‐principles calculations reveal that the high catalytic activities of Co‐NGC shells are due to the synergistic electron transfer and redistribution between the Co nanoparticles, the graphitic carbon, and the doped N species. Strong yet favorable adsorption of an OOH* intermediate on the high density of uncoordinated hollow‐site C atoms with respect to the Co lattice in the Co‐NGC structure is a vital rate‐determining step to achieve excellent bifunctional electrocatalytic activity.
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Cites
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Cited by
Wang, R., Dong, X., Du, J., Zhao, J., & Zang, S. (2018) · Advanced Materials · doi:10.1002/adma.201703711 · Cited by 580
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Atomic interface effect of a single atom copper catalyst for enhanced oxygen reduction reactions
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A defect-driven metal-free electrocatalyst for oxygen reduction in acidic electrolyte
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MOF-derived nanohybrids for electrocatalysis and energy storage: current status and perspectives
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Metadata
- Authors
- Liu, S., Wang, Z., Zhou, S., Yu, F., Yu, M., Chiang, C., Zhou, W., Zhao, J., & Qiu, J.
- Venue
- Advanced Materials
- Publisher
- Wiley
- Published
- 2017-06-19
- Volume
- 29
- Issue
- 31
- ISSN
- 0935-9648 (ISSN-L)
- 1521-4095
- OpenAlex
- W2626633488
- Cited by
- 829
- References
- 9
- FWCI
- 27.97
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Liu, S., Wang, Z., Zhou, S., Yu, F., Yu, M., Chiang, C., Zhou, W., Zhao, J., & Qiu, J. (2017). Metal–Organic‐Framework‐Derived Hybrid Carbon Nanocages as a Bifunctional Electrocatalyst for Oxygen Reduction and Evolution. Advanced Materials. https://doi.org/10.1002/adma.201700874
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