Pt=Pd separation modified Ti3C2TX MXene for hydrogen detection at room temperature |
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| Affiliation: | 1. MOE Key Laboratory of Pressure Systems and Safety, East China University of Science and Technology, Shanghai 200237, PR China;2. School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, PR China;3. SUFA Technology Industry Co., Ltd., CNNC, Suzhou, 215001, PR China;1. School of Economics and Management, North China Electric Power University, China;2. Department of Energy, Aalborg University, Denmark;1. Shanghai Key Laboratory of Materials Protection and Advanced Materials in Electric Power, College of Environmental & Chemical Engineering, Shanghai University of Electric Power, Shanghai, PR China;2. Shanghai Institute of Pollution Control and Ecological Security, Shanghai, PR China;3. Shanghai Engineering Research Center of Heat-exchange System and Energy Saving, Shanghai University of Electric Power, Shanghai, PR China;1. U.S. Department of Energy, National Energy Technology Laboratory, 3610 Collins Ferry Road, P.O. Box 880, Morgantown, WV, 26507-0880;2. NETL Support Contractor, 3610 Collins Ferry Road Morgantown, WV, 25607, USA;1. Department of Electrical Automation, Hebei University of Water Resources and Electric Engineering, Cangzhou, 061001, China;2. Computer Department, Hebei University of Water Resources and Electric Engineering, Cangzhou, 061001, China;3. Enrolment and Vocation Guidance Office, Hebei University of Water Resources and Electric Engineering, Cangzhou, 061001, China;4. Electrical Engineering Department, Sun-Life Company, Baku, Azerbaijan |
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| Abstract: | Hydrogen sensing with a fast response at room temperature is still a challenge. In this study, a novel Pt=Pd/Ti3C2TX hydrogen sensor was prepared by a straightforward hydrothermal chemical reduction method. The Pt=Pd/Ti3C2TX was characterized by X-ray diffraction, transmission electron microscope, and X-ray photoelectron spectroscopy. The experimental results showed that the response of the Pt=Pd/Ti3C2TX sensor was 24.6% and the response/recovery time was 6/8 s in the case of 200 ppm hydrogen at room temperature. The Pt=Pd/Ti3C2TX sensor could detect the hydrogen concentration as low as 1 ppm. Besides, the Pt=Pd/Ti3C2TX sensor exhibited good linearity, long-term stability, good repeatability, and high selectivity. The Pt=Pd/Ti3C2TX sensor has great potential in the field of hydrogen energy. |
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| Keywords: | Hydrogen sensor Bimetallic MXene Room temperature Fast response |
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