This book highlights the fundamentals and recent advances for developing novel polymer composites for various applications, including 3D printing, automotive, textiles, agriculture, nanogenerators, energy storage and biomedical engineering. It presents various facile processing techniques to prepare polymeric composites with attractive properties like mechanical strength, flexibility, thermal & electrical performances for end used applications from bench to field. This in-sight of properties, performances and utility will lead to technological applications of polymer composites. It provides a platform for evolving and expanding technological solutions for challenges in the contemporary world, and presents a concrete path for advancement in this domain of polymer composite for professionals, researchers, material scientists, and students.