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Phenylenediamine-Based FeNx/C Catalyst with High Activity for Oxygen Reduction in Acid Medium and Its Active-Site Probing
Abstract
High-temperature pyrolyzed FeN(x)/C catalyst is one of the most promising nonprecious metal electrocatalysts for oxygen reduction reaction (ORR). However, it suffers from two challenging problems: insufficient ORR activity and unclear active site structure. Herein, we report a FeN(x)/C catalyst derived from poly-m-phenylenediamine (PmPDA-FeN(x)/C) that possesses high ORR activity (11.5 A g(-1) at 0.80 V vs RHE) and low H2O2 yield (<1%) in acid medium. The PmPDA-FeN(x)/C also exhibits high catalytic activity for both reduction and oxidation of H2O2. We further find that the ORR activity of PmPDA-FeN(x)/C is not sensitive to CO and NO(x) but can be suppressed significantly by halide ions (e.g., Cl(-), F(-), and Br(-)) and low valence state sulfur-containing species (e.g., SCN(-), SO2, and H2S). This result reveals that the active sites of the FeN(x)/C catalyst contains Fe element (mainly as Fe(III) at high potentials) in acid medium.
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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
Cited by
Recent Advances in Electrocatalysts for Oxygen Reduction Reaction
Shao, M., Chang, Q., Dodelet, J.-P., & Chenitz, R. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00462 · Cited by 3,903
Jiang, W.-J., Gu, L., Li, L., Zhang, Y., Zhang, X., Zhang, L.-J., Wang, J.-Q., Hu, J.-S., Wei, Z., & Wan, L.-J. (2016) · Journal of the American Chemical Society · doi:10.1021/jacs.6b00757 · Cited by 1,765
Jiang, R., Li, L., Sheng, T., Hu, G., Chen, Y., & Wang, L. (2018) · Journal of the American Chemical Society · doi:10.1021/jacs.8b07294 · Cited by 797
Wu, G., Santandreu, A., Kellogg, W., Gupta, S., Ogoke, O., Zhang, H., Wang, H.-L., & Dai, L. (2016) · Nano Energy · doi:10.1016/j.nanoen.2015.12.032 · Cited by 744
Molecular metal–Nx centres in porous carbon for electrocatalytic hydrogen evolution
Liang, H.-W., Brüller, S., Dong, R., Zhang, J., Feng, X., & Müllen, K. (2015) · Nature Communications · doi:10.1038/ncomms8992 · Cited by 655
Metadata
- Authors
- Wang, Q., Zhou, Z.-Y., Lai, Y.-J., You, Y., Liu, J.-G., Wu, X.-L., Terefe, E., Chen, C., Song, L., Rauf, M., Tian, N., & Sun, S.-G.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-07-23
- Volume
- 136
- Issue
- 31
- Pages
- 10882-10885
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2319487883
- Cited by
- 631
- References
- 1
- FWCI
- 19.98
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wang, Q., Zhou, Z.-Y., Lai, Y.-J., You, Y., Liu, J.-G., Wu, X.-L., Terefe, E., Chen, C., Song, L., Rauf, M., Tian, N., & Sun, S.-G. (2014). Phenylenediamine-Based FeNx/C Catalyst with High Activity for Oxygen Reduction in Acid Medium and Its Active-Site Probing. Journal of the American Chemical Society. https://doi.org/10.1021/ja505777v
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