期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 83, 期 -, 页码 46-50出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2017.08.023
关键词
Nickel; Titanium dioxide; Atomic layer deposition; Electrocatalytic oxidation; Glycerol; Alkaline electrolyte
资金
- KRICT-Techcross joint research program - Korea Research Institute of Chemical Technology & Techcross Company [KK1706-G09, IKT1706-G09]
- C1 Gas Refinery Program through from the NRF - Ministry of Science, ICT & Future Planning [2016M3D3A1A01913251]
- National Research Foundation of Korea [2016M3D3A1A01913251] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Thin TiO2 layers were deposited onto a carbon-supported Ni catalyst (Ni/C) through atomic layer deposition (ALD) and the resulting TiO2-coated Ni/C (ALD(TiO2)-Ni/C) was utilized for electrochemical glycerol oxidation in alkaline media. X-ray photoelectron spectroscopy analysis demonstrated that the Ni surface phase of ALD (TiO2)-Ni/C mainly consisted of Ni(OH)(2) while that of uncoated Ni/C was a mixed phase of NiO and Ni(OH)(2). The ALD(TiO2)-Ni/C exhibited electrocatalytic activity at least 2.4 times higher than that of Ni/C. Density functional theory calculations were used to investigate how the modified Ni surface with the TiO2 coating affects the adsorption/desorption of glycerol.
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