Front cover -- Half title -- Title -- Copyright -- Contents -- Contributors -- Preface -- Part 1 Introduction -- Chapter 1 Nanoelectrocatalysis: An introduction -- 1.1 Introduction -- 1.2 Construction and characterization of nanostructures -- 1.3 Efficient electrocatalysis enabled by nanostructures -- 1.3.1 Low-dimensional nanostructures -- 1.3.2 2D nanostructures -- 1.3.3 3D nanostructures -- 1.4 Conclusion -- References -- Chapter 2 2D hybrid nanoarchitecture electrocatalysts -- 2.1 Introduction -- 2.2 Graphene-based electrocatalysts -- 2.3 Graphene nonmetallic composites