Polymer-based advanced functional materials are one of most sought after products of this global high performance material demand as polymer-based materials guarantee both processing ease and mechanical flexibilities. This volume provides a comprehensive and updated review of major innovations in the field of polymer-based advanced functional materials which focuses on constructive knowledge on advanced multifunctional materials and their resultant techno-commercial applications. The contents aim at restricting the coverage to energy and environment related applications as the said two are the most emerging application domains of polymer-based advanced functional materials. It highlights the cutting-edge and recent research findings of polymer based advanced functional materials in energy and environment sectors wherein each chapter focuses on a specific energy and environment related application of polymer-based advanced functional materials, their preparation technique, nature enhancement achieved and allied factors. This volume would be of great interest to researchers, academicians and professionals, involved in polymers, chemistry, energy and environmental research, and other allied domains.