Chapter 1: Introduction; Chapter 2: Advanced Nanocomposites Electrodes for Lithium Ion Batteries; Chapter 3: Carbon Nanocomposites in Electrochemical Capacitor Applicant; Chapter 4: Application in Nanostructure Electrodes in Halide Perovskite Solar Cells and Electrochromic Devices; Chapter 5: Perovskite Solar Cell; Chapter 6: Nanocomposite Structures Related to Electrospun Nanofibers for Highly Efficient and Cost Effective Dye Sensitize; Chapter7: Laser Ablation Based Techniques for Solution-phase Synthesis; Chapter 8: Thermoelectric Nano Composite for Energy Harvesting; Chapter 9: Graphene Composite Catalysts for Electrochemical Energy Conversion; Chapter 10: Electrochromic Materials and Devices Fundamentals and Nanostructuring Approaches; Chapter 11: Nanocomposite Photocatalysts for Solar Fuel Production from CO2 and Water; Chapter 12: The Application of Nanocomposite Catalysts in Biofuels Production; Chapter 13: Photocatalytic Nanomaterials for Energy and Environment; Chapter 14: Role of Interfaces at the Nano-architectured Photocatalysts for Hydrogen Production from Water Splitting; Chapter 15: Nanostructures Catalysts for Small Molecule Conversion; Chapter 16: Rational Heterostructure Design for Photo Electrochemical Water Splitting; Chapter 17: Layered Doubled Hydroxides Derived NOx Storage Reduction Catalyst for Vehicle NOx Emission Control; Chapter 18: Applications of Nanomaterial in Nuclear Waste Management; Chapter 19: Electromagnetic Interference Shielding; Chapter 20: Mussel-inspired Nanocomposites Synthesis and Promising Applications in Environmental Fields.