Flower-like Co nano-particles deposited on Ni foam substrate as efficient noble metal-free catalyst for hydrazine oxidation》.pdfVIP

Journal of Electroanalytical Chemistry 756 (2015) 186 –192 Contents lists available at ScienceDirect Journal of Electroanalytical Chemistry journal homepage: /locate/jeac Flower-like Co nano-particles deposited on Ni foam substrate as efficient noble metal-free catalyst for hydrazine oxidation Fan Yang a,⁎, Kui Cheng b, Guiling Wang b, Dianxue Cao b,⁎ a College of Science, Northeast Agricultural University, Harbin 150030, China b Key Laboratory of Superlight Material and Surface Technology of Ministry of Education, College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China a r t i c l e i n f o a b s t r a c t Article history: Ni foam supporting flower-like Co nano-particles (Co NFs/Ni foam) are successfully synthesized by a simple Received 21 May 2015 electrochemical method. The electrodes are characterized by scanning electron microscopy equipped with an Received in revised form 17 August 2015 energy dispersive X-ray spectrometer, and X-ray diffractometer. Without any conducting carbons and polymer Accepted 18 August 2015 binders, the 3D electrode with a unique structure is directly used as the noble metal-free catalyst for hydrazine Available online 21 August 2015 oxidation and the catalytic performance is evaluated by voltammetry and chronoamperometry. The Co NFs/Ni Keywords: foam electrode exhibits excellent catalytic performance and superior stability for hydrazine electrooxidation in