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author:

Xu, Yuanjie (Xu, Yuanjie.) [1] | An, Zemin (An, Zemin.) [2] | Yu, Xin (Yu, Xin.) [3] | Yao, Jikang (Yao, Jikang.) [4] | Lv, Qian (Lv, Qian.) [5] | Yang, Hua (Yang, Hua.) [6] | Lv, Zhengang (Lv, Zhengang.) [7] | Guo, Huichuang (Guo, Huichuang.) [8] | Jiang, Qike (Jiang, Qike.) [9] | Liu, Wei (Liu, Wei.) [10] | Wu, Lizhi (Wu, Lizhi.) [11] (Scholars:吴立志) | Tan, Li (Tan, Li.) [12] (Scholars:谭理) | Dai, Yihu (Dai, Yihu.) [13] | Tang, Yu (Tang, Yu.) [14] (Scholars:汤禹)

Indexed by:

EI Scopus SCIE

Abstract:

Strong metal-support interaction (SMSI) is a crucial factor that determines the structure and performance of a supported metal catalyst. Herein, the SMSI effect of Rh nanoparticle catalyst supported on h-BN is investigated in the dry reforming of methane (DRM) reactions with different CO2/CH4 ratios. The catalyst characterization results demonstrate that the SMSI effect allows the Rh nanoparticles to be encapsulated by BOx overlayers under DRM reaction conditions (CO2/CH4 = 1/1), which prevents the interaction between the reactants and metal centers for causing rapid deactivation. By increasing the partial pressure of CO2 (CO2/CH4 = 3/1), Rh/BN exhibits significantly enhanced activity and long-term stability in the DRM reaction. CO2 or H2O in the reactive atmosphere can effectively etch the BOx overlayers for steadily exposing the active Rh-BN interface sites, as evidenced by the characterization. This observation extends the understanding of the SMSI effect at the interfaces between metal and non-oxide support.

Keyword:

Boron nitride Carbon dioxide Dry reforming of methane Rhodium Strong metal -support interaction

Community:

  • [ 1 ] [Xu, Yuanjie]Fuzhou Univ, Coll Chem, Inst Mol Catalysis & Insitu Operando Studies, Fuzhou 350108, Peoples R China
  • [ 2 ] [An, Zemin]Fuzhou Univ, Coll Chem, Inst Mol Catalysis & Insitu Operando Studies, Fuzhou 350108, Peoples R China
  • [ 3 ] [Yao, Jikang]Fuzhou Univ, Coll Chem, Inst Mol Catalysis & Insitu Operando Studies, Fuzhou 350108, Peoples R China
  • [ 4 ] [Lv, Qian]Fuzhou Univ, Coll Chem, Inst Mol Catalysis & Insitu Operando Studies, Fuzhou 350108, Peoples R China
  • [ 5 ] [Yang, Hua]Fuzhou Univ, Coll Chem, Inst Mol Catalysis & Insitu Operando Studies, Fuzhou 350108, Peoples R China
  • [ 6 ] [Wu, Lizhi]Fuzhou Univ, Coll Chem, Inst Mol Catalysis & Insitu Operando Studies, Fuzhou 350108, Peoples R China
  • [ 7 ] [Tan, Li]Fuzhou Univ, Coll Chem, Inst Mol Catalysis & Insitu Operando Studies, Fuzhou 350108, Peoples R China
  • [ 8 ] [Tang, Yu]Fuzhou Univ, Coll Chem, Inst Mol Catalysis & Insitu Operando Studies, Fuzhou 350108, Peoples R China
  • [ 9 ] [Yu, Xin]Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China
  • [ 10 ] [Jiang, Qike]Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
  • [ 11 ] [Liu, Wei]Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
  • [ 12 ] [Dai, Yihu]Nanjing Tech Univ, Inst Adv Synth, Sch Chem & Mol Engn, Nanjing 211816, Peoples R China
  • [ 13 ] [Yu, Xin]Synfuels China Co Ltd, Natl Energy Ctr Coal Liquids, Beijing 101400, Peoples R China
  • [ 14 ] [Lv, Zhengang]Synfuels China Co Ltd, Natl Energy Ctr Coal Liquids, Beijing 101400, Peoples R China
  • [ 15 ] [Guo, Huichuang]Synfuels China Co Ltd, Natl Energy Ctr Coal Liquids, Beijing 101400, Peoples R China
  • [ 16 ] [Yu, Xin]Synfuels China Technol Co Ltd, SynCatBeijing, Beijing 101407, Peoples R China

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Source :

JOURNAL OF CATALYSIS

ISSN: 0021-9517

Year: 2023

Volume: 427

6 . 5

JCR@2023

6 . 5 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 16

SCOPUS Cited Count: 15

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

Online/Total:199/10019903
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