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Cited by 325

The DOI matches its Crossref record; 56 of the 56 references it cites were found in a registry or an index.

Atomically dispersed Pt–N4 sites as efficient and selective electrocatalysts for the chlorine evolution reaction

Open access
Lim, Taejung, Jung, Gwan Yeong, Kim, Jae Hyung, Park, Sung O, Park, Jaehyun, Kim, Yong-Tae, Kang, Seok Ju, Jeong, Hu Young, Kwak, Sang Kyu, Joo, Sang Hoon·2020·Nature Communications

Abstract

Chlorine evolution reaction (CER) is a critical anode reaction in chlor-alkali electrolysis. Although precious metal-based mixed metal oxides (MMOs) have been widely used as CER catalysts, they suffer from the concomitant generation of oxygen during the CER. Herein, we demonstrate that atomically dispersed Pt−N 4 sites doped on a carbon nanotube (Pt 1/CNT) can catalyse the CER with excellent activity and selectivity. The Pt 1/CNT catalyst shows superior CER activity to a Pt nanoparticle-based catalyst and a commercial Ru/Ir-based MMO catalyst. Notably, Pt 1/CNT exhibits near 100% CER selectivity even in acidic media, with low Cl−concentrations (0.1 M), as well as in neutral media, whereas the MMO catalyst shows substantially lower CER selectivity. In situ electrochemical X-ray absorption spectroscopy reveals the direct adsorption of Cl−on Pt−N 4 sites during the CER. Density functional theory calculations suggest the PtN 4 C 12 site as the most plausible active site structure for the CER.

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Metadata

Authors
Lim, T., Jung, G. Y., Kim, J. H., Park, S. O., Park, J., Kim, Y.-T., Kang, S. J., Jeong, H. Y., Kwak, S. K., & Joo, S. H.
Venue
Nature Communications
Published
2020-01-21
Volume
11
Issue
1
Pages
412-412
ISSN
2041-1723 (ISSN-L)
OpenAlex
W3002587575
Cited by
325
References
56
FWCI
6.99
Type
journal article
Language
en
Open access
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CoChat. (2026). Citation check: Atomically dispersed Pt–N4 sites as efficient and selective electrocatalysts for the chlorine evolution reaction. https://app.cochat.ai/papers/10.1038/s41467-019-14272-1
The paper
Lim, T., Jung, G. Y., Kim, J. H., Park, S. O., Park, J., Kim, Y.-T., Kang, S. J., Jeong, H. Y., Kwak, S. K., & Joo, S. H. (2020). Atomically dispersed Pt–N4 sites as efficient and selective electrocatalysts for the chlorine evolution reaction. Nature Communications. https://doi.org/10.1038/s41467-019-14272-1

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