Direct electrochemical hydrogenation of toluene at Pt electrodes in a microemulsion electrolyte solution |
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| Institution: | 1. Fuel Cell Nanomaterials Center, University of Yamanashi, 6-43 Miyamae-cho, Kofu 400-0021, Japan;2. PRESTO, JST, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan;3. Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto, 860-8555, Japan;1. Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan;2. Science and Technology Division, National Institute of Technology, Okinawa College, 905 Henoko, Nago City, Okinawa 905-2192, Japan;3. National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan;4. Advanced Science Research Laboratory, Saitama Institute of Technology, 1690 Fusaiji, Fukaya City, Saitama 369-0293, Japan;5. Japan Technological Research Association of Artificial Photosynthetic Chemical Process (ARPChem), Itopia Hashimoto Bldg. 7F, 2-11-9 Iwamoto-cho, Chiyoda-ku, Tokyo 101-0032, Japan |
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| Abstract: | In the present study, we demonstrated a new concept for the direct electrochemical hydrogenation of toluene using an acidic microemulsion electrolyte with active Pt electrodes to pave the way for efficient methylcyclohexane mass production. We have achieved a Faradaic efficiency of 80% for the toluene/methylcyclohexane conversion at a Pt black electrode, under galvanostatic conditions and in a one-compartment cell. The reaction rate and selectivity of the toluene reduction were found to depend strongly on the surface structure of the Pt electrodes. |
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