<P><b>Part I -- Introduction to Metal Oxide-Based Electrocatalysis </b>1. Introduction to water splitting technologies 2. The Fundamentals of Metal Oxides for Electrocatalytic Water Splitting 3. Features of Design and Fabrication of Metal Oxide-Based Electrocatalysts 4. Noble Metal Oxide Based Electrodes Interfaces Design for Application in Water Splitting</p> <p><b>Part II -- Transition Metal Oxides and Their Prospects for Application in Water Splitting </b>5. Structure and Basic Properties of Transition Metal Oxides designed for Application in Water Splitting 6. Defect Engineering for Modifying Transition Metal Oxides 7. Interfaces Joining for Modifying Transition Metal Oxides 8. Doping Engineering Towards Metal Oxides for Water Splitting</p> <p><b>Part III -- Other approaches to developing electrocatalysts for water splitting </b>9. Layered hydroxides as electrocatalysts for water splitting 10. Metal Oxy Compounds Heterogeneous Interfaces Joining for Water Splitting 11. Metal phosphide based electrocatalysts for water splitting 12. Metal-Organic Framework (MOF)-Derived Electrocatalysts for Water Splitting 13. In-Situ Characterizations for Application in Water Splitting 14. Summary and outlook</p>