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Direct Insight into Ethane Oxidative Dehydrogenation over Boron Nitrides
Huang, Rui1; Zhang, Bingsen1; Wang, Jia1; Wu, Kuang-Hsu1; Shi, Wen1; Zhang, Yajie1; Liu, Yuefeng1; Zheng, Anmin3; Schloegl, Robert4; Su, Dang Sheng1,2,4
关键词Boron C-h Activation Dehydrogenation Ethylene Production Nitrides
刊名CHEMCATCHEM
2017-09-08
DOI10.1002/cctc.201700725
9期:17页:3293-3297
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]H BOND ACTIVATION ; SELECTIVE OXIDATION ; ACTIVE OXYGEN ; N-BUTANE ; CATALYSTS ; PROPANE ; ALKANES ; NANOTUBES ; SPECTRUM ; OXIDE
英文摘要The ultimate objective of chemical conversion is to achieve 100% selectivity from catalysis, and this is also a prodigious challenge for the conversion of light paraffins into olefins, because it involves controlled activation of highly stable aliphatic C-H bonds. Herein, we show that metal-free boron nitride (BN) nanosheets not only enable the oxidative dehydrogenation of ethane to ethylene exclusively at near 10% conversion, but they also deliver a remarkable 60% selectivity at an ethane conversion of 78% and remain stable over 400h at 575 degrees C. Our operando infrared spectroscopy and O-18 isotope tracer study explicitly demonstrates that B-O(H) active sites are formed at the edges of BN through the aid of ethane, and the dehydrogenation circle is completed over these B-O sites by the assistance of O-2.
语种英语
WOS记录号WOS:000409878300004
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/149892
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Energy Res Resources Div, 457 Zhongshan Rd, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Wuhan Inst Phys & Math, Natl Ctr Magnet Resonance Wuhan, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Hubei, Peoples R China
4.Max Planck Gesell, Fritz Haber Inst, Faradayweg 4-6, D-14195 Berlin, Germany
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Huang, Rui,Zhang, Bingsen,Wang, Jia,et al. Direct Insight into Ethane Oxidative Dehydrogenation over Boron Nitrides[J]. CHEMCATCHEM,2017,9(17):3293-3297.
APA Huang, Rui.,Zhang, Bingsen.,Wang, Jia.,Wu, Kuang-Hsu.,Shi, Wen.,...&Su, Dang Sheng.(2017).Direct Insight into Ethane Oxidative Dehydrogenation over Boron Nitrides.CHEMCATCHEM,9(17),3293-3297.
MLA Huang, Rui,et al."Direct Insight into Ethane Oxidative Dehydrogenation over Boron Nitrides".CHEMCATCHEM 9.17(2017):3293-3297.
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