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Mechanochemical Synthesis,Structural and Hydrogenation Properties of Li-Mg-N-H System

Abstract第5-7页
Abbreviations第21-22页
1 Introduction第22-48页
    1.1 Examples of hydrogen storage materials第23-24页
        1.1.1 Metal Hydrides第23-24页
        1.1.2 Complex Hydrides第24页
        1.1.3 Carbon Materials第24页
    1.2 Studies on Li-Mg-N-H system第24-48页
        1.2.1 Crystal structures第25-31页
        1.2.2 Thermodynamic properties第31-35页
        1.2.3 Hydrogenation/dehydrogenation mechanism第35-37页
        1.2.4 Methods to improve the H_2 storage properties of Li-Mg-N-H system第37-48页
2 Aims第48-50页
3 Methods第50-60页
    3.1 Synthesis第50-51页
    3.2 Characterization by diffraction techniques第51-57页
        3.2.1 X-ray Powder Diffraction第51-52页
        3.2.2 Neutron Powder diffraction第52页
        3.2.3 Full pattern Refinement Using the Rietveld method第52-57页
    3.3 Measurement of thermodynamic and kinetic for hydrogen sorption第57-58页
        3.3.1 Pressure Composition Isotherm Measurements第57页
        3.3.2 Differential Scanning Calorimetry Measurements第57页
        3.3.3 Fourier Transform Infra-Red Measurements第57-58页
        3.3.4 Thermal Desorption Spectroscopy Measurements第58页
    3.4 Scanning Electron Microscopy measurements第58-60页
4 Results and Discussion第60-138页
    4.1 Mechanochemistry of Li_3N under hydrogen gas第61-77页
        4.1.1 Introduction第61-62页
        4.1.2 In-situ hydrogen uptake第62-63页
        4.1.3 Structural analysis of the mechanochemical process第63-70页
        4.1.4 Hydrogenation mechanism第70-75页
        4.1.5 Dehydrogenation properties第75页
        4.1.6 Summary第75-77页
    4.2 Mechanochemistry of 2Li_3N+Mg mixture under H_2第77-87页
        4.2.1 Introduction第77页
        4.2.2 In-situ hydrogen uptake第77-79页
        4.2.3 Structural analysis of the mechanochemical process第79-83页
        4.2.4 In-situ structural evolution on dehydrogenation process第83-85页
        4.2.5 H-cycling properties第85-86页
        4.2.6 Summary第86-87页
    4.3 Structural and phase evolution for 2Li_3N+Mg mixture under D_2第87-112页
        4.3.1 Introduction第87-88页
        4.3.2 In-situ mechanochemical deuteration第88-89页
        4.3.3 Structural analysis of as-milled materials第89-92页
        4.3.4 Crystallization of Sample B followed by in-situ NPD第92-93页
        4.3.5 Isothermal deuteration of Sample A followed by in-situ NPD第93-103页
        4.3.6 Isothermal desorption of Sample A followed by in-situ NPD第103-105页
        4.3.7 TDS desorption of magnesium amide第105-111页
        4.3.8 Summary第111-112页
    4.4 Synthesis and Hydrogen storage properties of the Li-Mg-N-B-H system第112-138页
        4.4.1 Introduction第112-113页
        4.4.2 Synthesis and hydrogen storage properties of Li-Mg-N-H with Co-based alloys addition第113-118页
        4.4.3 Synthesis and hydrogen storage properties of Li-Mg-N-H with LiBH4 addition第118-123页
        4.4.4 Synthesis and hydrogen storage properties of Li-Mg-N-H with combined addition of LiBH4 and Co-based alloys第123-131页
        4.4.5 Activation and bonding energy measurements第131-136页
        4.4.6 Summary第136-138页
5 Conclusions and outlook第138-140页
List of Papers第140-141页
Acknowledgement第141-143页
Resume of the author第143-144页
Bibliography第144-152页

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