Novel Decavanadate Compounds for Lithium-Ion Batteries - En Route Towards a New Class of High-performance Energy Materials

Author Preamble

Table of Contents

List of Figures

List of Tables

Notation

List of Abbreviations

Abstract

1 Introduction

1.1 Introduction to Molecular Metal Oxides

1.1.1 General Aspects

1.1.2 Formation of POMs via Self-assembly

1.1.3 Vanadium-based Polyoxometalates

1.2 Introduction to Lithium-ion Batteries

1.2.1 Electrochemical Fundamentals

1.2.2 State-of-the-art LIBs

1.2.3 POMs in Electrochemical Energy Storage Application

1.3 Short Introduction to Key Measurement Techniques

1.3.1 X-ray Diffraction

1.3.2 Scanning Electron Microscopy

1.3.3 Infrared Spectroscopy

1.3.4 Cyclic Voltammetry

1.3.5 Galvanostatic Testing

2 Objective

3 Results and Discussion

3.1 Synthesis and Characterization of DMA{V10}

3.1.1 Removal of Crystal Water and Structural Stability

3.1.2 Morphological Characterization

3.1.3 XPS measurement

3.2 DMA{V10} as Cathode Material

3.2.1 Electrochemical Characterization

3.2.2 Post-mortem Analysis

3.3 Dehydrated DMA{V10} as Cathode Material

3.3.1 Electrode Preparation

3.3.2 Electrochemical Characterization

3.3.3 Post-mortem Analysis

4 Conclusion

5 Experimental

5.1 Material

5.2 Instrumentation

5.2.1 Material and Structural Characterization

5.2.2 Electrochemical Characterization

5.3 Synthesis and Characterization

5.3.1 Synthesis of (DMA{V10}

5.3.2 Thermal Dehydration of (DMA{V10}

5.3.3 Thermal Decomposition of (DMA{V10}

5.4 Electrode Preparation

5.4.1 Electrode Preparation: E-70

5.4.2 Electrode Preparation: E-40

5.4.3 Electrode Preparation: E-120-70

5.4.4 Electrode Preparation: E-120-40

5.5 Crystal Data of (C2H8N)5Li[V10O28]·5H2O

References