Bøger af Ram K. Gupta

This book provides an overview of pseudocapacitive materials, including their fundamentals, synthetic methods, architectural enhancements to boost their properties, and emerging materials. It covers numerous strategies to enhance their performance, such as altering morphology, doping, introducing multivalent ions, designing devices, and utilizing emerging pseudocapacitive materials. The book also delves into fundamental approaches for fine-tuning the properties of pseudocapacitive materials and explores their applications in energy storage devices, with a specific focus on emerging pseudocapacitive materials and their utilization in energy storage devices.

This book provides a comprehensive overview of the synthesis, properties, and emerging applications of 3D graphene. It begins with an introduction to 3D graphene and covers the methods for synthesizing and printing 3D graphene. The book explores the characteristics of 3D graphene, including its morphology, surface area, and porosity, and the techniques used for characterizing it. Architectural and chemical aspects of 3D graphene for emerging applications are discussed, including energy storage, environmental remediation, and biosensing. The book reviews recent advancements in 3D graphene for electrochemical sensors, biosensors, and optical sensors, as well as its use in flexible sensors. It also covers the use of graphene-based materials for the remediation of hydrogen sulfide gas and the removal of inorganic pollutants and pharmaceutical residues. The book further explores the use of 3D graphene in metal-ion and metal-air batteries, flexible and wearable batteries, and high-performance supercapacitors. It also covers its use in photovoltaics, fuel cells, and as electrocatalysts and photocatalysts for water splitting. Additionally, the book discusses the use of 3D graphene in flexible electronics, capacitive de-ionization of water, and theranostic applications. Finally, the book addresses the toxicity, stability, recycling, and risk assessments of 3D graphene, providing a comprehensive understanding of the material's safety and sustainability considerations. Overall, this book is a valuable resource for researchers, engineers, and students interested in the synthesis, properties, and applications of 3D graphene.

This book covers the current, state-of-the-art knowledge, fundamental mechanisms, design strategies, and future challenges in electrochemical energy storage devices using polymeric materials. It looks into the fundamentals and working principles of electrochemical energy devices such as supercapacitors and batteries and explores new approaches for the synthesis of polymeric materials and their composites to broaden the vision for researchers to explore advanced materials for electrochemical energy applications. All the chapters are written by leading experts in these areas making it suitable as a reference for students as well as provide new directions to researchers and scientists working in polymers, energy, and nanotechnology.

This book provides fundamental electrochemical behavior and understanding of devices based on Metal Phosphates and Phosphonates. The basic concepts, properties and emerging applications of these materials as batteries, supercapacitors, fuel cells, sensors, biomedical and environmental are covered. Apart from conventional techniques, this book explores new aspects of synthesizing Metal Phosphates and Phosphonates.

This book provides current state-of-the-art knowledge on the materials and chemistry of novel flame retardants for polyurethanes.

Advances in Nanotechnology for Marine Antifouling surveys the latest research in the application of nanotechnology for biofouling inhibition. The book gathers in-depth information on the various micro and nano-techniques, nanocoatings, polymeric composites paints, methods of application and prevention mechanisms. This is a valuable resource for researchers and advanced students across anti-biofouling, nanotechnology, nanomaterials, polymer nanocomposites, coatings, maritime technology, chemistry, chemical engineering, environmental science, and materials science and engineering. This is also essential reading for industrial scientists, engineers, R&D, and other professionals with an interest in the use of nanotechnology for antifouling, particularly in the maritime sector. Nanotechnologies have been recognized as a powerful tool in antifouling strategies with nanocoatings with efficient properties enabling increased durability and performance in the prevention of biofouling and corrosion while replacing potentially more harmful chemicals.

Smart Multifunctional Nano-inks: Fundamentals and Emerging Applications covers nano-inks and how they can be used in inkjet printers for printing complex circuitry on flexible substrates or as a paste for 3D printers. Microstructures can be 3D-printed using nano-inks in a combination of high-resolution plasma printing and subsequent rotogravure printing. In addition, smart multifunctional nano-inks are not only required for the electronic, but also in other applications, such as for secure inks, for currency, and in immigration documents. This book focuses on fundamental design concepts, promising applications, and future challenges of nano-inks in various areas, such as optoelectronics, energy, security and biomedical fields. The current challenge for the successful industrial application of nano-inks is in the preparation of a stable dispersion of advanced materials for nano-inks. The functionalization, synthesizing, and theoretical modeling provide the solution for most of the current issues, but there are still remaining challenges which are covered in this comprehensive resource.

This book details the use of conducting polymers and their composites in supercapacitors, batteries, photovoltaics, and fuel cells, covering nearly the entire spectrum of energy area under one title. It covers a range of advanced materials based on conducting polymers, the fundamentals, and chemistry behind these materials for energy applications.