discusses recent advancements on the synthesis, processing, characterization and applications of this new class of hybrid materials. Chapters cover recycling and lifecycle assessment, with contributions from leading researchers in industry, academics, the government and private research institutes from across the globe. As nanoparticle-based polymer composites are now replacing traditional polymer composites in a broad range of applications such as fuel cells, electronic and biomedical devices, this book presents the latest advancements in the field. Studies have shown that incorporating metal nanoparticles in polymer matrices can improve their mechanical, thermal, electrical and barrier properties. The unique combination of these properties makes this new class of materials suitable for a broad range of different and advanced applications.