Ambient-condition acetylene hydrogenation to ethylene over WS2-confined atomic Pd sites

Wangwang Zhang, Kelechi Uwakwe, Jingting Hu, Yan Wei, Juntong Zhu, Wu Zhou, Chao Ma, Liang Yu (), Rui Huang () and Dehui Deng ()
Additional contact information
Wangwang Zhang: Xiamen University
Kelechi Uwakwe: Chinese Academy of Science
Jingting Hu: Xiamen University
Yan Wei: Chinese Academy of Science
Juntong Zhu: University of Chinese Academy of Sciences
Wu Zhou: University of Chinese Academy of Sciences
Chao Ma: Hunan University
Liang Yu: Chinese Academy of Science
Rui Huang: Chinese Academy of Science
Dehui Deng: Xiamen University

Nature Communications, 2024, vol. 15, issue 1, 1-9

Abstract: Abstract Ambient-condition acetylene hydrogenation to ethylene (AC-AHE) is a promising process for ethylene production with minimal additional energy input, yet remains a great challenge due to the difficulty in the coactivation of acetylene and H2 at room temperature. Herein, we report a highly efficient AC-AHE process over robust sulfur-confined atomic Pd species on tungsten sulfide surface. The catalyst exhibits over 99% acetylene conversion with a high ethylene selectivity of 70% at 25 oC, and a record space-time yield of ethylene of 1123 molC2H4 molPd−1 h−1 under ambient conditions, which is nearly four times that of the typical Pd1Ag3/Al2O3 catalyst, and exhibiting superior stability of over 500 h. We demonstrate that the confinement of Pd-S coordination induces positively-charged atomic Pdδ+, which not only facilitates C2H2 hydrogenation but also promotes C2H4 desorption, thereby enabling a high conversion of C2H2 to C2H4 at room temperature while suppressing over-hydrogenation to C2H6.

Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations:

Downloads: (external link)
https://www.nature.com/articles/s41467-024-53481-1 Abstract (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-53481-1

Ordering information: This journal article can be ordered from
https://www.nature.com/ncomms/

DOI: 10.1038/s41467-024-53481-1

Access Statistics for this article

Nature Communications is currently edited by Nathalie Le Bot, Enda Bergin and Fiona Gillespie

More articles in Nature Communications from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().