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author:

Zhang, Tianhua (Zhang, Tianhua.) [1] | Zhu, Jie (Zhu, Jie.) [2] | Wang, Junjie (Wang, Junjie.) [3] | Peng, Xuanbei (Peng, Xuanbei.) [4] | Deng, Jinxiu (Deng, Jinxiu.) [5] | Wang, Shiyao (Wang, Shiyao.) [6] | Song, Yi (Song, Yi.) [7] | Zhou, Yanliang (Zhou, Yanliang.) [8] | Ni, Jun (Ni, Jun.) [9] | Wang, Xiuyun (Wang, Xiuyun.) [10] | Liang, Shijing (Liang, Shijing.) [11] | Lin, Xingyi (Lin, Xingyi.) [12] | Zheng, Ying (Zheng, Ying.) [13] | Zheng, Lirong (Zheng, Lirong.) [14] | Au, Chak-tong (Au, Chak-tong.) [15] | Jiang, Lilong (Jiang, Lilong.) [16]

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EI

Abstract:

The alloying of Ru with rare-earth elements (REEs) is an effective approach for the modification of the electronic structure of Ru. Here, for the first time, we report the formation of Ru-M (M = La or Y) alloys that are endowed with a completely new type of active sites. Over the Ru-M (M = La or Y) catalysts, N2 activation in ammonia synthesis follows neither the well-known dissociative nor the associative route but rather a co-operation of both, leading to outstanding performance. The developed RuLa/HZ catalyst exhibits a NH3 synthesis rate of 14.73 mmol gcat−1 h−1 at 400 °C and 1 MPa without obvious deactivation in a run of 1756 h (ca.73 days). © 2021 Elsevier Ltd

Keyword:

Alloying Alloying elements Ammonia Catalysts Dissociation Electronic structure Lanthanum alloys Rare earths

Community:

  • [ 1 ] [Zhang, Tianhua]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fujian, Fuzhou; 350002, China
  • [ 2 ] [Zhu, Jie]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fujian, Fuzhou; 350002, China
  • [ 3 ] [Wang, Junjie]State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Shaanxi, Xi'an; 710072, China
  • [ 4 ] [Peng, Xuanbei]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fujian, Fuzhou; 350002, China
  • [ 5 ] [Deng, Jinxiu]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fujian, Fuzhou; 350002, China
  • [ 6 ] [Wang, Shiyao]State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Shaanxi, Xi'an; 710072, China
  • [ 7 ] [Song, Yi]State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Shaanxi, Xi'an; 710072, China
  • [ 8 ] [Zhou, Yanliang]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fujian, Fuzhou; 350002, China
  • [ 9 ] [Ni, Jun]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fujian, Fuzhou; 350002, China
  • [ 10 ] [Wang, Xiuyun]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fujian, Fuzhou; 350002, China
  • [ 11 ] [Liang, Shijing]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fujian, Fuzhou; 350002, China
  • [ 12 ] [Lin, Xingyi]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fujian, Fuzhou; 350002, China
  • [ 13 ] [Zheng, Ying]Department of Chemical and Biochemical Engineering, Western University, ON, Canada
  • [ 14 ] [Zheng, Lirong]Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
  • [ 15 ] [Au, Chak-tong]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fujian, Fuzhou; 350002, China
  • [ 16 ] [Jiang, Lilong]National Engineering Research Center of Chemical Fertilizer Catalyst, Fuzhou University, Fujian, Fuzhou; 350002, China

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Source :

Chemical Engineering Science

ISSN: 0009-2509

Year: 2022

Volume: 252

4 . 7

JCR@2022

4 . 1 0 0

JCR@2023

ESI HC Threshold:74

JCR Journal Grade:2

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 10

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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