MnO2 Composites for Supercapacitors

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This book is a comprehensive guide to the synthesis and characterization of MnO2 based composites for supercapacitor applications. The book delves into the various aspects of nanoscale synthesis and characterization of MnO2 composites and their electrochemical performance in supercapacitors. The book covers a wide range of topics including the morphology, conductivity, and electrochemical properties of MnO2 composites, and their specific capacitance and redox reactions. The book also covers various characterization techniques such as X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and transmission electron microscopy, as well as Brunauer-Emmett-Teller analysis for surface area measurement. The cyclic stability of the composites is analyzed through charge-discharge cycles, and the energy density and power density are measured for the supercapacitor device. The book also explores various electrode materials for MnO2 composites such as graphene, carbon nanotubes, polyaniline, and metal oxides. The electrode architecture and electrolyte type (aqueous or non-aqueous) are also discussed, along with the capacitance retention and cycling stability. The book further delves into the applications of supercapacitors in energy conversion for renewable energy systems, electric vehicles, hybrid energy systems, portable electronics, and energy storage systems. The advantages and disadvantages of supercapacitors over conventional lithium-ion and lead-acid batteries are also highlighted. Overall, "MnO2 Composites for Supercapacitors" is a must-read for researchers, scientists, and engineers working in the field of energy storage systems, as well as students studying nanotechnology and material science.