PrefaceChapter 1: Functional MaterialsSynthesis of Titanium Dioxide (TiO2) Nanoparticles by Sol-Gel Method and its CharacterizationHighly Transparent Piezoelectric PVDF Electrospun MembranesA Negative Thermal Expansion Metamaterial Inspired by the Sicilian and Manx SymbolsCompositional Grading of Al2O3/ZrO2/SUS304 Hybrid Materials Using Centrifugal Slurry Methods and Spark Plasma SinteringOptical Characteristics of Copper-Doped-Perovskite MaterialsLead-Bromide Hybrid Perovskites with Different Dimensions due to NH2 Position Variation Pyridine Ligand Methylene Bridge-CH2Chapter 2: ElectrochemistryZnONR Microstructure Modification and their Potential for High Reversibillity Performance of AC-Mn2O3 SupercapacitorEffect of Electrolyte Type on Supercapbatteries Based on Silicon as Anode and Cassava Tuber Activated Carbon as CathodeToward Commercial Cylindrical Anode Free Li-Metal Batteries: Electrochemical Study and ImprovementElectrochemical Performances of PtCrCo Alloy/Nitrogen-Doped Activated Carbon for Proton Exchange Membrane Fuel Cell CatalystGreen Synthesis of Citric Acid-Crosslinked Cellulose Acetate Membrane for Polymer ElectrolyteChapter 3: Sensor MaterialsHighly Flexible, Durable, Thermally Stable Multi-Functional Carbon Fabric Applications for Wearable ElectronicsOptimization of Magneto-Electric Coupling in PVDF/PVDF-TrFE/Fe3O4 Thin Film Nanocomposites for MEMS Sensor DevicesChapter 4: TribologySynthesis of Calcium Fluoride from Discarded Egg Shell - A Potential Solid LubricantTribological Properties of Additively Manufactured Al-Si Alloys and SteelsChapter 5: Wear of Materials and Defect DetectionTool Wear and Wear Mechanism of WC-Co End Mill during Milling of CFRP in Sustainable Cutting ConditionsApplication of Electrochemical Method to Evaluate the Corrosion Conditions of Steel BarsDeterministic Stress Intensity Factor of a Railway Axle under Adverse Running ConditionEnhancing Assembly Defect Detection from Object Detection to Image Classification