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In Situ Confinement Pyrolysis Transformation of ZIF‐8 to Nitrogen‐Enriched Meso‐Microporous Carbon Frameworks for Oxygen Reduction
Abstract
Metal organic framework (MOF)‐derived nitrogen‐enriched nanocarbons have been proposed as promising metal‐free electrocatalysts for oxygen reduction reaction. However, the characteristic microporous feature of MOF‐derived carbon determined by the MOF structure significantly hinders the mass transfer and exposure of active sites, resulting in unsatisfactory electrocatalytic performance. Here an in situ confinement pyrolysis strategy that can simply but efficiently transform monodisperse ZIF‐8 polyhedrons to nitrogen‐enriched meso‐microporous carbon (NEMC) frameworks is reported. Using this strategy, 3D NEMC frameworks, 1D NEMC fibers, and 2D NEMC on graphene (NEMC/G) can be successfully obtained. As a metal‐free elctrocatalyst, optimized NEMC/G can reach a comparable electrocatalytic activity with superior stability and methanol resistance to commercial 30 wt% Pt/C catalyst in 0.1 m KOH solution. Such enhanced performance can be ascribed to the stable and highly open network consisting of NEMC and G with fully exposed active sites, thereby leading to durable catalytic activity.
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Cites
High-Performance Electrocatalysts for Oxygen Reduction Derived from Polyaniline, Iron, and Cobalt
Wu, G., More, K. L., Johnston, C. M., & Zelenay, P. (2011) · Science · doi:10.1126/science.1200832 · Cited by 3,984
Wang, H., Maiyalagan, T., & Wang, X. (2012) · ACS Catalysis · doi:10.1021/cs200652y · Cited by 3,618
Cited by
Nonprecious Metal Catalysts for Oxygen Reduction in Heterogeneous Aqueous Systems
Gewirth, A. A., Varnell, J. A., & DiAscro, A. M. (2018) · Chemical Reviews · doi:10.1021/acs.chemrev.7b00335 · Cited by 773
Design Strategies toward Advanced MOF‐Derived Electrocatalysts for Energy‐Conversion Reactions
Liu, J., Zhu, D., Guo, C., Vasileff, A., & Qiao, S. (2017) · Advanced Energy Materials · doi:10.1002/aenm.201700518 · Cited by 668
Wang, C., Kaneti, Y. V., Bando, Y., Lin, J., Liu, C., Li, J., & Yamauchi, Y. (2018) · Materials Horizons · doi:10.1039/c8mh00133b · Cited by 533
Recent advances in cobalt based heterogeneous catalysts for oxygen evolution reaction
Badruzzaman, A., Yuda, A., Ashok, A., & Kumar, A. (2020) · Inorganica Chimica Acta · doi:10.1016/j.ica.2020.119854 · Cited by 105
Song, L., Xue, T., Shen, Z., Yang, S., Sun, D. T., Yang, J., Hong, Y., Su, Y., Wang, H., Peng, L., et al. (2022) · Journal of Colloid and Interface Science · doi:10.1016/j.jcis.2022.04.066 · Cited by 18
Metadata
- Authors
- Lai, Q., Zhao, Y., Liang, Y., He, J., & Chen, J.
- Venue
- Advanced Functional Materials
- Publisher
- Wiley
- Published
- 2016-10-06
- Volume
- 26
- Issue
- 45
- Pages
- 8334-8344
- ISSN
- 1616-301X (ISSN-L)
- 1616-3028
- OpenAlex
- W2528925415
- Cited by
- 338
- References
- 2
- FWCI
- 9.74
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lai, Q., Zhao, Y., Liang, Y., He, J., & Chen, J. (2016). In Situ Confinement Pyrolysis Transformation of ZIF‐8 to Nitrogen‐Enriched Meso‐Microporous Carbon Frameworks for Oxygen Reduction. Advanced Functional Materials. https://doi.org/10.1002/adfm.201603607
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