| 摘要 | 第4-5页 |
| Abstract | 第5页 |
| 1 Introduction | 第12-31页 |
| 1.1 Supercapacitor basic descriptionand concepts | 第13-17页 |
| 1.1.1 Supercapacitor features | 第13-14页 |
| 1.1.2 Comparison with Batteries and Fuel Cells | 第14-15页 |
| 1.1.3 Supercapacitor applications | 第15-17页 |
| 1.2 Types of Supercapacitors | 第17-29页 |
| 1.2.1 EDLC Supercapachors | 第17-20页 |
| 1.2.1.1 Types of EDLC Supercapacitors | 第19-20页 |
| 1.2.2 Current research onEDLC Supercapacitors | 第20-23页 |
| 1.2.2.1 Carbon nanotubes | 第20-21页 |
| 1.2.2.2 Graphene | 第21-22页 |
| 1.2.2.3 Activated carbon | 第22-23页 |
| 1.2.3 Redox Pseudocapacitors | 第23-25页 |
| 1.2.3.1 Types of Redox Pseudocapacitors | 第23-25页 |
| 1.2.4 Current research onPseudocapacitors | 第25-29页 |
| 1.2.4.1 Mn_3O_4 | 第25-26页 |
| 1.2.5 Hybrid Supercapacitors | 第26-29页 |
| 1.3 Purpose and content of the dissertation | 第29-31页 |
| 2 Experimental methodology | 第31-41页 |
| 2.1 Experiment equipment and raw materials | 第31-33页 |
| 2.2 Preparation of electrode materials and electrode assembling | 第33-36页 |
| 2.2.1 Preparation of Manganese carbide/Garbonnanocages | 第33-35页 |
| 2.2.2 Synthesis of Mn_3O_4/Carbon nanocages | 第35-36页 |
| 2.2.3 Fabrication of composite electrodes | 第36页 |
| 2.3 Microstructure and electrochemical characterization | 第36-41页 |
| 2.3.1 X-ray diffractionanalysis (XRD) | 第37页 |
| 2.3.2 Thermogi'avimelric analysis (TGA) and Differentialtrermal analysis (DTA) | 第37-38页 |
| 2.3.3 Raman spectroscopy | 第38页 |
| 2.3.4 Transmksionelectron microscope (TEM) | 第38-39页 |
| 2.3.5 Cyclic voltammetry (CV) | 第39-40页 |
| 2.3.6 Constant current charge-discharge (CD) | 第40页 |
| 2.3.7 Electrochemical impedance spectroscopy (EIS) | 第40-41页 |
| 3 Experimental Results and Discussion of Mn_7C_3-C nanocomposites Synthesis | 第41-52页 |
| 3.1 Manganese carbide-carbon Mn_7C_3-C nanocomposites productionthrough Arc discharge plasma method 30 | 第41-48页 |
| 3.1.1 Morphology characterization of Mn_7C_3-C nanocomposite produced under 1250 Pa CH_4 using TEM and HRTEM techniques | 第41-43页 |
| 3.1.2 Morphology characterization of Mn_7C_3-C nanocomposite produced under 0.01 MPa CH_4 using TEM and HRTEM techniques | 第43-44页 |
| 3.1.3 Morphology characterization of Mn_7C_3-C nanocomposite produced under 0.01 MPa CH_4 and 0.03 MPa H_2 using TEM and HRTEM techniques | 第44-46页 |
| 3.1.4 Morphology characterization of Mn_7C_3-C nanocomposite produced under 0.02 MPa CH_4 using TEM and HRTEM techniques | 第46-48页 |
| 3.2 X-rays Diffraction (XRD) analysis of Mn_7C_3-C nanocomposites | 第48-49页 |
| 3.3 Raman spectroscopy of Mn_7C_3-C nanocomposites | 第49-52页 |
| 4 Electrochemical characterization of Mn_7C_3-C nanocages | 第52-56页 |
| 5 Experimental Results and Discussion of Mn_3O_4-C nanocomposites Synthesis | 第56-64页 |
| 5.1 Thermogravimetric analysis (TGA) and Differential thermal analysis (DTA) for Mn_7C_3-C nanocomposite | 第56-57页 |
| 5.2 Morphology characterization of MnO-C_(200) nanocomposite using TEM and HRTEM techniques | 第57-58页 |
| 5.3 Morphology characterization of MnO-C_(300) nanocomposke using TEM and HRTEM techniques | 第58-59页 |
| 5.4 Morphology characterizationof MnO-C_(400) nanocomposite using TEM and HRTEM techniques | 第59-60页 |
| 5.5 X-rays Diffraction (XRD) analysis of MnyCs-C nanocomposites 49 | 第60-61页 |
| 5.6 Raman spectroscopy of Mn_3O_4-C nanocomposites | 第61-64页 |
| 6 Electrochemical characterization of Mn_3O_4-C nanocompositrs | 第64-72页 |
| 6.1 Cyclic Voltammetry and Charge discharge charaderization of Mn_3O_4-Cnanocomposites | 第64-66页 |
| 6.2 Stability study of MnO-C_(200) nanocage | 第66-68页 |
| 6.3 Electrochemical impedance spectroscopy EIS of MnO-C_(200) nanocage | 第68-69页 |
| 6.4 Ragone plot for the electrochemical performance of MnO-C_(200) nanocage | 第69-72页 |
| Conclusions and Outlook | 第72-74页 |
| References | 第74-84页 |
| Acknowledgement | 第84-85页 |
| Research Projects and Publications in Master Study | 第85-86页 |
