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Synthesis And Property of Low Loaded Pt Alloy Catalysts for Oxygen Reduction

摘要第3-4页
Abstract第4页
1. Introduction第13-20页
    1.1. Fuel Cells第13-14页
    1.2. Fuel Cells and reactions第14-15页
    1.3. Pt based Electrocatalysts第15-18页
    1.4. Thesis Objectives and Methodology第18-20页
2. Design of Platinum Alloys第20-38页
    2.1. Introduction第20-21页
    2.2. Hydrothermal method第21-22页
    2.3. Experiment Section第22-24页
    2.4. Characterization methods第24-27页
        2.4.1. Transmission Electron Microscopy (TEM)第24-25页
        2.4.2. X-Ray Diffraction (XRD)第25-26页
        2.4.3. Scanning Electron Microscopy (SEM) and Energy Dispersive X-RaySpectroscopy (EDX)第26-27页
    2.5. Results and discussions第27-36页
        2.5.1. Reducing Effect W(CO)6第27-31页
            2.5.1.1. Comparison of Samples A and D第27-28页
            2.5.1.2. Comparison of Samples E and F第28-30页
            2.5.1.3. Conclusion第30-31页
            2.5.1.4. Comments第31页
        2.5.2. Effect of Citric Acid Capping Agent第31-34页
            2.5.2.1. Comparison of Samples X, Y and Z第31-33页
            2.5.2.2. Conclusion第33页
            2.5.2.3. Discussion第33-34页
        2.5.3. Type of Solvent (DMF or EG)第34-36页
            2.5.3.1. Comparison of Samples F and Gamma第34-35页
            2.5.3.2. Conclusion第35-36页
    2.6. Conclusion第36-38页
3. Pt Fe Nanoparticles as Fuel Cell’s Catalyst第38-53页
    3.1. Introduction第38-39页
    3.2. Experimental Section第39-42页
        3.2.1. Octahedral Nanoparticles第39-40页
        3.2.2. Hollow spheres第40页
        3.2.3. 2D Sheets第40-42页
    3.3. Size Composition and Morphology第42-52页
        3.3.1. Octahedral Nanoparticles第42-43页
        3.3.2. Hollow Spheres第43-45页
        3.3.3.2D Sheets第45-52页
    3.4. Conclusion第52-53页
4. Electrocatalytic Performances of Pt Fe第53-76页
    4.1. Introduction第53-54页
    4.2. Electrochemical Characterization in Fuel Cells and Fuel Cell Evaluation of ElectroCatalysts第54-58页
        4.2.1. Theory第54页
        4.2.2. Cyclic Voltammetry Characterization第54-56页
        4.2.3. Linear Sweep Voltammetry第56-57页
        4.2.4. Area-Specific Activity (Is : m A /cm2(Pt)) and Mass Activity (Im : A/mg(Pt))第57-58页
    4.3. Experimental process第58-65页
        4.3.1. Pt loading and Rotating Disk Electrode第58-61页
            4.3.1.1. RDE building process第58-59页
            4.3.1.2. Platinum loading calculation第59-61页
        4.3.2. Cyclic Voltammetry Process第61-63页
            4.3.2.1. Experimental Process第61-62页
            4.3.2.2. Data Processing第62-63页
        4.3.3. Linear Sweep Voltammetry Process第63-65页
            4.3.3.1. Experimental Process第63-64页
            4.3.3.2. Data Processing第64-65页
    4.4. ORR and CV results第65-72页
        4.4.1. Commercial catalyst第65-67页
            4.4.1.1. CV results第65-66页
            4.4.1.2. LSV results第66页
            4.4.1.3. Catalyst stability第66-67页
        4.4.2. Octahedral NPs第67-68页
            4.4.2.1. CV results第67页
            4.4.2.2. LSV results第67-68页
            4.4.2.3. Catalyst stability第68页
        4.4.3. Hollow Spheres第68-70页
            4.4.3.1. CV results第68-69页
            4.4.3.2. LSV results第69页
            4.4.3.3. Catalyst stability第69-70页
        4.4.4.2D Sheets第70-72页
            4.4.4.1. CV results第70页
            4.4.4.2. LSV results第70-71页
            4.4.4.3. Catalyst stability第71-72页
    4.5. Comparison第72-74页
    4.6. Conclusion第74-76页
5. Overall Conclusions第76-78页
6. Further Work第78-80页
Acknowledgements第80-81页
References第81-86页
Appendix第86-89页
附表第89页

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