Table of Contents

Chapter 1Introduction

1.1Overview

1.2Recent progress of SIBs in academy and industry

1.3Potential application of carbon materials as cathode

1.4Practical carbon anodes towards high energy or power density

1.5The main research topics and content

Chapter 2Experimental Details

2.1Main reagents and raw materials

2.2Main equipment

2.3Characterization

2.3.1Structural characterization

2.3.2Electrochemistry

Chapter 3FoldedGraphene as an Ultrafast Cathode Material

3.1Introduction

3.2Experimental section

3.3Highdensity foldedgraphene cathode for SIBs

3.4Ultrafast highvolumetric sodium storage via foldedgraphene cathode

3.5Summary

Chapter 4The Interplay of Oxygen Functional Groups and Folded Texture in FoldedGraphene Cathode

4.1Introduction

4.2Experimental section

4.3The critical roles of oxygen functional groups and folded texture

4.4The interplay of oxygen functional groups and folded texture

4.5Summary

Chapter 5Achieving Efficient Sodium Storage on Carbon Anodes with

Etherderived Solid Electrolyte Interphase (SEI)

5.1Introduction

5.2Experimental section

5.3Achieving efficient sodium storage on diverse carbon anodes with etherbased electrolytes

5.4Advantages of etherderived SEI

5.5Summary

Chapter 6Evolution of the Electrochemical Interface with Etherbased Electrolytes

6.1Introduction

6.2Experimental section

6.3Improved sodiation depth in etherbased electrolytes

6.4Evolution of interfacial electrochemistry with etherbased electrolytes

6.5Summary

Chapter 7Conclusion and Perspective

7.1Conclusion

7.2Perspective

References

Research Achievements

Acknowledgements