Dr. Anuj Kumar is an Assistant Professor at GLA University, Mathura, India. His research focus is on molecular as well M-N-C electrocatalysts for H2, O2, and CO2 involving electrocatalysis, nanomaterials, nanocomposites, fuel cells, water electrolyzers, nano-sensors, bio-inorganic chemistry, macrocyclic chemistry. He is serving as Section Editor, Guest editor, and editorial board member for various journals.Dr. Ram Gupta is a Professor at Pittsburg State University. Before joining Pittsburg State University, he worked as an Assistant Research Professor at Missouri State University, Springfield, MO then as a Senior Research Scientist at North Carolina A&T State University, Greensboro, NC. He is serving as Associate Editor, Guest editor, and editorial board member for various journals.

• 1 Introduction to High Entropy Materials2 A Brief History of High Entropy Materials3 Synthesis Strategies for the Preparation of High-Entropy Materials4 High Entropy Materials: Composition and Structural Aspects5 Mathematical Modeling for High Entropy Materials6 Characterizations of High Entropy Materials7 Stability Landscape and Charge Compensation Mechanism for Isovalent and Aliovalent Substitution in High Entropy Oxides8 Mechanical and Electrical Properties of High Entropy Materials9 High Entropy Materials for Methanol Oxidation Reactions10 High Entropy Materials for Electrocatalytic Hydrogen Generation11 High Entropy Materials for Oxygen Evolution Reactions12 High Entropy Materials for Oxygen Reduction Reactions13 High Entropy Materials for Oxygen Reduction Reaction14 High Entropy Materials for CO2 Conversion15 High Entropy Materials as Electrodes for Supercapacitors16 High Entropy Materials as Anode in Li-Ion Battery17 High Entropy Materials for Hydrogen Storage18 High Entropy Materials for Flexible Devices19 High Entropy Materials for Electrochemical Sensors20 Thermo - Hydraulic Performance and Entropy Generation Analysis of Nanofluids in Heat Exchanger21 Tribological Properties of High Entropy Materials22 High Entropy Materials for Thermoelectric Applications23 High Entropy Materials for Thermal and Electromagnetic ProtectionIndex