DataVXACS Energy LettersPaper
journal article·2019-12-13

Metal–Organic Framework-Derived IrO2/CuO Catalyst for Selective Oxidation of Methane to Methanol

Le Yang, Jinxu Huang, Rui Ma, Rui You, Hui Zeng, Zebao Rui

ACS Energy Letters· Volume 4· Issue 12
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Source abstract

Abstract

Direct oxidation of methane to methanol is desired for high value-added utilization of natural gas, but it remains a challenge. Herein, we present a highly mixed hybrid oxide, IrO2/CuO, prepared using a bottom-up tactic, namely, nanoparticle synthesis, encapsulation by Cu-containing metal–organic frameworks, and in situ oxidation, as an advanced catalyst for methane oxidation to methanol. Through the synergistic function of IrO2 for CH4 activation and CuO for selective oxidation, an inspired methanol batch yield of 872 μmol g–1 is achieved under mild feeding conditions of 3 bar CH4/1 bar air in water at 150 °C for 3 h with a robust cyclic stability. Upon elevating the CH4 feeding pressure to 20 bar, the methanol yield reaches as high as 1937 μmol g–1, which is among the best state-of-the-art values.
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Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Catalytic Processes in Materials Science · Catalysis and Oxidation Reactions

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Chemical Engineering and Technology, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Sun Yat-sen University, Zhuhai 519082, China

Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua 321004, China

Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, CAS Key Laboratory of Materials for Energy Conversion and Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China

Funding

Ministry of Education of the People's Republic of China · National Natural Science Foundation of China · Natural Science Foundation of Zhejiang Province · Foshan Nanhai District Economic and Science Promotion Bureau

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