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Defect-induced efficient dry reforming of methane over two-dimensional Ni/h-boron nitride nanosheet catalysts
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| Title: | Defect-induced efficient dry reforming of methane over two-dimensional Ni/h-boron nitride nanosheet catalysts |
| Authors: | Cao, Yang Browse this author | | Maitarad, Phornphimon Browse this author | | Gao, Min Browse this author | | Taketsugu, Tetsuya Browse this author | | Li, Hongrui Browse this author | | Yan, Tingting Browse this author | | Shi, Liyi Browse this author | | Zhang, Dengsong Browse this author |
| Keywords: | Dry reforming of methane | | Catalysts | | Boron nitride | | Density functional calculations |
| Issue Date: | 15-Dec-2018 |
| Publisher: | Elsevier |
| Journal Title: | Applied Catalysis B-environmental |
| Volume: | 238 |
| Start Page: | 51 |
| End Page: | 60 |
| Publisher DOI: | 10.1016/j.apcatb.2018.07.001 |
| Abstract: | Efficient enhancement of catalytic stability and coke-resistance is a crucial aspect for dry reforming of methane. Here, we report Ni nanoparticles embedded on vacancy defects of hexagonal boron nitride nanosheets (Ni/h-BNNS) can optimize catalytic performance by taming two-dimensional (2D) interfacial electronic effects. Experimental results and density functional theory calculations indicate that surface engineering on defects of Ni/h-BNNS catalyst can strongly influence metal-support interaction via electron donor/acceptor mechanisms and favor the adsorption and catalytic activation of CH4 and CO2. The Ni/h-BNNS catalyst exhibits superior catalytic performance during a 120 h durability test. Furthermore, in situ techniques further reveal possible recovery mechanism of the active Ni sites, identifying the enhanced catalytic activities of the Ni/h-BNNS catalyst. This work highlights promotional mechanism of defect-modified interface and should be equally applicable for design of thermochemically stable catalysts. |
| Rights: | © 2018. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | | http://creativecommons.org/licenses/by-nc-nd/4.0/ |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/79972 |
| Appears in Collections: | 触媒科学研究所 (Institute for Catalysis) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 高 敏
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