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Thermophotovoltaics is the science and technology associated with the direct generation of electricity from high temperature heat. Potential applications include combined heat and power, portable and auxiliary power, radioisotope space power, industrial waste heat recovery and concentrated solar power. This book aims at serving as an introduction to the underlying theory, overview of present day components and system arrangements, and update of the latest developments in the field. The emphasis is placed on the understanding of the critical aspects of efficient thermophotovoltaic system design. The aim is to assist researchers in the field.
Thermophotovoltaic (TPV) technology is a promising new means for the direct conversion of thermal to electric energy. This conference volume presents a broad range of peer-reviewed papers on various potential and current applications.
Annotation Compared to the earlier convenings, the third demonstrated more interest in GaSb and its related ternary and quaternary alloys and the back-surface reflector technique for recirculating sub-bandgap photons, but less to multi-layer dielectric stacks and to transparent conducting oxides. After summaries of each of the eight sessions by the chair, the 43 papers cover overviews, devices based on GaSb and related materials, selective radiators, devices based on InGaAs, whole systems, novel concepts, and modeling and characterizing systems. Among the individual topics are modeling the system optical cavity, the advantages of quantum well solar cells, multi-fuel liquid hydrocarbon generators, applications of the super-emissive light pipe, a novel design for monolithically interconnected modules for power conversion, multiple-dopant selective emitter, improvements in GaSb cells, and an overview of European activities. Reproduced from typescripts, some double spaced. No subject index. Annotation c. by Book News, Inc., Portland, Or.
The conference included various aspects of thermophotovoltaics, including systems, emitters, and cells. Key papers also dealt with TPV modules, recovery of high-temperature industrial waste heat, stand-alone gas furnaces, and military applications. TPV operates on the same physical principles as photovoltaics. However, it uses infrared radiation rather than light from the sun. TPV may be envisaged as a means of conservation of energy, as stand-alone item for some specific purpose (such as military applications), or in the domestic arena.
This book features peer-reviewed papers that were presented at the Seventh World Conference on Thermophotovoltaic Generation of Electricity. Thermophotovoltaic technology is a promising new means for the direct conversion of thermal to electric energy. Its potential applications range from military power, to space propulsion, to commercial products for market niches.
Photovoltaic cells provide clean, reversible electrical power from the sun. Made from semiconductors, they are durable, silent in operation and free of polluting emissions. In this book, experts from all sectors of the PV community — materials scientists, physicists, production engineers, economists and environmentalists — give their critical appraisals of where the technology is now and what its prospects are./a
Ultra-High Temperature Thermal Energy Storage, Transfer and Conversion presents a comprehensive analysis of thermal energy storage systems operating at beyond 800°C. Editor Dr. Alejandro Datas and his team of expert contributors from a variety of regions summarize the main technological options and the most relevant materials and characterization considerations to enable the reader to make the most effective and efficient decisions.This book helps the reader to solve the very specific challenges associated with working within an ultra-high temperature energy storage setting. It condenses and summarizes the latest knowledge, covering fundamentals, device design, materials selection and applications, as well as thermodynamic cycles and solid-state devices for ultra-high temperature energy conversion.This book provides a comprehensive and multidisciplinary guide to engineers and researchers in a variety of fields including energy conversion, storage, cogeneration, thermodynamics, numerical methods, CSP, and materials engineering. It firstly provides a review of fundamental concepts before exploring numerical methods for fluid-dynamics and phase change materials, before presenting more complex elements such as heat transfer fluids, thermal insulation, thermodynamic cycles, and a variety of energy conversation methods including thermophotovoltaic, thermionic, and combined heat and power. - Reviews the main technologies enabling ultra-high temperature energy storage and conversion, including both thermodynamic cycles and solid-state devices - Includes the applications for ultra-high temperature energy storage systems, both in terrestrial and space environments - Analyzes the thermophysical properties and relevant experimental and theoretical methods for the analysis of high-temperature materials
This book describes recent breakthroughs that promise major cost reductions in solar energy production in a clear and highly accessible manner. The author addresses the three key areas that have commonly resulted in criticism of solar energy in the past: cost, availability, and variability. Coverage includes cutting-edge information on recently developed 40 efficient solar cells, which can produce double the power of currently available commercial cells. The discussion also highlights the potentially transformative emergence of opportunities for integration of solar energy storage and natural gas combined heat and power systems. Solar energy production in the evening hours is also given fresh consideration via the convergence of low cost access to space and the growing number of large terrestrial solar electric power fields around the world. Dr. Fraas has been active in the development of Solar Cells and Solar Electric Power Systems for space and terrestrial applications since 1975. His research team at Boeing demonstrated the first GaAs/GaSb tandem concentrator solar cell in 1989 with a world record energy conversion efficiency of 35, garnering awards from Boeing and NASA. He has over 30 years of experience at Hughes Research Labs, Chevron Research Co, and the Boeing High Technology Center working with advanced semiconductor devices. In a pioneering paper, he proposed the InGaP/GaInAs/Ge triple junction solar cell predicting a cell terrestrial conversion efficiency of 40 at 300 suns concentration. Having become today’s predominant cell for space satellites, that cell is now entering high volume production for terrestrial Concentrated Photovoltaic (CPV) systems. Since joining JX Crystals, Dr. Fraas has pioneered the development of various thermophotovoltaic (TPV) systems based on the new GaSb infrared sensitive PV cell. Dr. Fraas holds degrees from Caltech (B.Sc. Physics), Harvard (M. A. Applied Physics), and USC (Ph.D. EE).
Photovoltaics, the direct conversion of sunlight to electricity, is now the fastest growing technology for electricity generation. Present "first generation" products use the same silicon wafers as in microelectronics. "Second generation" thin-films, now entering the market, have the potential to greatly improve the economics by eliminating material costs. Martin Green, one of the world’s foremost photovoltaic researchers, argues in this book that "second generation" photovoltaics will eventually reach its own material cost constraints, engendering a "third generation" of high performance thin-films. The book explores, self-consistently, the energy conversion potential of advanced approaches for improving photovoltaic performance and outlines possible implementation paths.
i PACT 2019 intends to provide a platform for the exchange of ideas among researchers, professionals, academicians, corporate & industry professionals, technically sound students and entrepreneurs in various disciplines across the globe to present the state of the art innovations in power and advanced computing technologies and point out the new trends in current research activities and emerging technologies