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Nanostructured Bulk Thermoelectric Generator For Efficient Power Harvesting For Self Powered Sensor Networks
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Book Synopsis Nanostructured Bulk Thermoelectric Generator for Efficient Power Harvesting for Self-powered Sensor Networks by :
Download or read book Nanostructured Bulk Thermoelectric Generator for Efficient Power Harvesting for Self-powered Sensor Networks written by and published by . This book was released on 2015 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this Nuclear Energy Enabling Technology research project is to develop high-efficiency and reliable thermoelectric generators for self-powered wireless sensors nodes utilizing thermal energy from nuclear plant or fuel cycle. The power harvesting technology has crosscutting significance to address critical technology gaps in monitoring nuclear plants and fuel cycle. The outcomes of the project will lead to significant advancement in sensors and instrumentation technology, reducing cost, improving monitoring reliability and therefore enhancing safety. The self-powered wireless sensor networks could support the long-term safe and economical operation of all the reactor designs and fuel cycle concepts, as well as spent fuel storage and many other nuclear science and engineering applications. The research is based on recent breakthroughs in high-performance nanostructured bulk (nanobulk) thermoelectric materials that enable high-efficiency direct heat-to-electricity conversion over a wide temperature range. The nanobulk thermoelectric materials that the research team at Boise State University and University of Houston has developed yield up to a 50% increase in the thermoelectric figure of merit, ZT, compared with state-of-the-art bulk counterparts. This report focuses on the selection of optimal thermoelectric materials for this project. The team has performed extensive study on two thermoelectric materials systems, i.e. the half-Heusler materials, and the Bismuth-Telluride materials. The report contains our recent research results on the fabrication, characterization and thermoelectric property measurements of these two materials.
Book Synopsis Energy Harvesting for Self-Powered Wearable Devices by : Mohammad Alhawari
Download or read book Energy Harvesting for Self-Powered Wearable Devices written by Mohammad Alhawari and published by Springer. This book was released on 2017-08-08 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the design and implementation of energy harvesting systems targeting wearable devices. The authors describe in detail the different energy harvesting sources that can be utilized for powering low-power devices in general, focusing on the best candidates for wearable applications. Coverage also includes state-of-the-art interface circuits, which can be used to accept energy from harvesters and deliver it to a device in the most efficient way. Finally, the authors present power management circuits for using multiple energy harvesting sources at the same time to power devices and to enhance efficiency of the system.
Book Synopsis Nanostructured Piezoelectric Energy Harvesters by : Joe Briscoe
Download or read book Nanostructured Piezoelectric Energy Harvesters written by Joe Briscoe and published by Springer. This book was released on 2014-08-25 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers a range of devices that use piezoelectricity to convert mechanical deformation into electrical energy and relates their output capabilities to a range of potential applications. Starting with a description of the fundamental principles and properties of piezo- and ferroelectric materials, where applications of bulk materials are well established, the book shows how nanostructures of these materials are being developed for energy harvesting applications. The authors show how a nanostructured device can be produced, and put in context some of the approaches that are being investigated for the development of nanostructured piezoelectric energy harvesting devices, also known as nanogenerators. There is growing interest in strategies for energy harvesting that use a variety of existing and well-known materials in new morphologies or architectures. A key change of morphology to enable new functionality is the nanostructuring of a material. One area of particular interest is self-powered devices based on portable energy harvesting. The charging of personal electronic equipment and other small-scale electronic devices such as sensors is a highly demanding environment that requires innovative solutions. The output of these so-called nanogenerators is explained in terms of the requirements for self-powered applications. The authors summarise the range of production methods used for nanostructured devices, which require much lower energy inputs than those used for bulk systems, making them more environmentally friendly and also compatible with a wide range of substrate materials.
Book Synopsis Piezoelectric Energy Harvesting by : Alper Erturk
Download or read book Piezoelectric Energy Harvesting written by Alper Erturk and published by John Wiley & Sons. This book was released on 2011-04-04 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: The transformation of vibrations into electric energy through the use of piezoelectric devices is an exciting and rapidly developing area of research with a widening range of applications constantly materialising. With Piezoelectric Energy Harvesting, world-leading researchers provide a timely and comprehensive coverage of the electromechanical modelling and applications of piezoelectric energy harvesters. They present principal modelling approaches, synthesizing fundamental material related to mechanical, aerospace, civil, electrical and materials engineering disciplines for vibration-based energy harvesting using piezoelectric transduction. Piezoelectric Energy Harvesting provides the first comprehensive treatment of distributed-parameter electromechanical modelling for piezoelectric energy harvesting with extensive case studies including experimental validations, and is the first book to address modelling of various forms of excitation in piezoelectric energy harvesting, ranging from airflow excitation to moving loads, thus ensuring its relevance to engineers in fields as disparate as aerospace engineering and civil engineering. Coverage includes: Analytical and approximate analytical distributed-parameter electromechanical models with illustrative theoretical case studies as well as extensive experimental validations Several problems of piezoelectric energy harvesting ranging from simple harmonic excitation to random vibrations Details of introducing and modelling piezoelectric coupling for various problems Modelling and exploiting nonlinear dynamics for performance enhancement, supported with experimental verifications Applications ranging from moving load excitation of slender bridges to airflow excitation of aeroelastic sections A review of standard nonlinear energy harvesting circuits with modelling aspects.
Book Synopsis Thermal Energy Harvesting with Thermoelectrics for Self-powered Sensors by : Alic Chen
Download or read book Thermal Energy Harvesting with Thermoelectrics for Self-powered Sensors written by Alic Chen and published by . This book was released on 2011 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work examines the feasibility of applying thermoelectric generators as power sources for implantable applications. Thermoelectric design principles, manufacturing methods and novel materials are foundational aspects of the work. Rapid advancements in the field of biomedical engineering has led to the vast number of implantable medical devices developed within the last few decades. As implantable medical devices provide more functionality, sufficient energy storage while maintaining compactness becomes challenging. The lifetime of implanted medical devices will often be much shorter than the expected lifespan of patients, adding risks and costs to the patient in the form of additional surgical procedures. A perpetual power source that extends the longevity of implantable devices still remains elusive. This presents opportunities for solid-state thermal energy harvesting with thermoelectric energy generators (TEGs) that scavenge waste heat, the most abundant source of energy from the body. Thermoelectric energy generators (TEGs) provide solid-state energy by converting temperature differences into usable electricity. Since the fat in the human body provides thermal insulation, the largest temperature differences (typically 1-5 K) are found in the highest fat regions of the body. Bioheat transfer modeling shows that the optimal placement of TEGs for energy generation is in the abdomen under high convective conditions. Based on average 100 μW (at 1 V) input power requirements of implantable medical devices, thermoelectric and heat transfer design theories suggest a need for high aspect ratio thermoelectric elements in high density arrays to take advantage of the low temperature differences in the fat layer. In order to maximize power output, traditional thermoelectric device designs must be abandoned and a planar TEG device design is proposed as an effective and scalable method for implantable medical applications. Dispenser printing was then shown as a scalable and repeatable manufacturing method for depositing thick-film thermoelectric materials in the fabrication of planar TEGs. The use of printed fabrication methods led to the development and synthesis of novel printable composite thermoelectric materials. The thermoelectric properties of the printed thermoelectric materials were analyzed and carefully characterized as a function of temperature. The maximum dimensionless figure of merit (ZT) at 302K for an n-type Bi2Te3-epoxy composite was 0.18 when cured at 250°C, while the ZT of a p-type Sb2Te3-epoxy composite cured at 350°C was 0.34. A 50-couple TEG prototype with 5 mm x 640 μm x 90 μm printed element dimensions was fabricated on a polyimide substrate with evaporated metal contacts. The prototype device produced a power output of 10.5 μW at 61.3 μA and 171.6 mV for a temperature difference of 20K resulting in a device areal power density of 75 μW/cm2. The results of the work are promising and alternative methods to improve the performance of future devices are proposed. While the initial focus of this work was specific to the field of biomedical devices, the technologies that have been developed are applicable to other fields involving energy harvesting. The prospective impact of this work ultimately paves the path towards the advanced healthcare system of the future based on integrated autonomous wireless systems for the needs of "aging in place" or "aging at home" technologies.
Book Synopsis Organic Thermoelectric Materials by : Zhiqun Lin
Download or read book Organic Thermoelectric Materials written by Zhiqun Lin and published by Royal Society of Chemistry. This book was released on 2019-10-18 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarises the significant progress made in organic thermoelectric materials, focusing on effective routes to minimize thermal conductivity and maximize power factor.
Book Synopsis Radioisotope Power Systems by : National Research Council
Download or read book Radioisotope Power Systems written by National Research Council and published by National Academies Press. This book was released on 2009-08-14 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spacecraft require electrical energy. This energy must be available in the outer reaches of the solar system where sunlight is very faint. It must be available through lunar nights that last for 14 days, through long periods of dark and cold at the higher latitudes on Mars, and in high-radiation fields such as those around Jupiter. Radioisotope power systems (RPSs) are the only available power source that can operate unconstrained in these environments for the long periods of time needed to accomplish many missions, and plutonium-238 (238Pu) is the only practical isotope for fueling them. Plutonium-238 does not occur in nature. The committee does not believe that there is any additional 238Pu (or any operational 238Pu production facilities) available anywhere in the world.The total amount of 238Pu available for NASA is fixed, and essentially all of it is already dedicated to support several pending missions-the Mars Science Laboratory, Discovery 12, the Outer Planets Flagship 1 (OPF 1), and (perhaps) a small number of additional missions with a very small demand for 238Pu. If the status quo persists, the United States will not be able to provide RPSs for any subsequent missions.
Book Synopsis Advanced Thermoelectric Materials for Energy Harvesting Applications by : Saim Memon
Download or read book Advanced Thermoelectric Materials for Energy Harvesting Applications written by Saim Memon and published by BoD – Books on Demand. This book was released on 2019-10-30 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Thermoelectric Materials for Energy Harvesting Applications is a research-intensive textbook covering the fundamentals of thermoelectricity and the process of converting heat energy into electrical energy. It covers the design, implementation, and performance of existing and advanced thermoelectric materials. Chapters examine such topics as organic/inorganic thermoelectric materials, performance and behaviors of thermoelectric devices, and energy harvesting applications of thermoelectric devices.
Book Synopsis Energy Harvesting for Autonomous Systems by : Stephen Beeby
Download or read book Energy Harvesting for Autonomous Systems written by Stephen Beeby and published by Artech House. This book was released on 2014-05-14 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique resource provides a detailed understanding of the options for harvesting energy from localized, renewable sources to supply power to autonomous wireless systems. You are introduced to a variety of types of autonomous system and wireless networks and discover the capabilities of existing battery-based solutions, RF solutions, and fuel cells. The book focuses on the most promising harvesting techniques, including solar, kinetic, and thermal energy. You also learn the implications of the energy harvesting techniques on the design of the power management electronics in a system. This in-depth reference discusses each energy harvesting approach in detail, comparing and contrasting its potential in the field.
Book Synopsis Thermoelectric Materials and Devices by : Iris Nandhakumar
Download or read book Thermoelectric Materials and Devices written by Iris Nandhakumar and published by Royal Society of Chemistry. This book was released on 2017 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: Authoritative account of recent developments in thermoelectric materials and devices for power energy harvesting applications, ideal for researchers and industrialists in materials science.
Book Synopsis Nano-scale Effects in Bulk Nanostructured Thermoelectrics by : Nikhil Theja Satyala
Download or read book Nano-scale Effects in Bulk Nanostructured Thermoelectrics written by Nikhil Theja Satyala and published by . This book was released on 2014 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: The technique of energy harvesting via thermoelectric (TE) materials is one of the favorable directions towards manifesting sustainable energy resources. The ability of TE materials to directly convert heat energy to electricity facilitates the reduction in consumption of natural resources for power generation. The requirements of high electrical conductivity and Seebeck coefficient while maintaining a low thermal conductivity for attaining higher TE performance introduced newer material processing techniques. Several efficient techniques for nano-scale structural modifications such as alloying, point defects, nanostructuring etc. were implemented for improvement in the figure-of-merit. Quantum confinement techniques based on nanostructuring of compounds gained prominence due to the resulting reduction of the lattice thermal conductivity.
Book Synopsis Commercialization of Nanotechnologies–A Case Study Approach by : Dermot Brabazon
Download or read book Commercialization of Nanotechnologies–A Case Study Approach written by Dermot Brabazon and published by Springer. This book was released on 2017-09-08 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers diverse areas in which nanoscience and nanotechnology have led to significant technological advances and practical applications, with special emphasis on novel types of nanomaterials and their applicability into a new generation of nano- and micro-devices. Different nanomaterials are reviewed with a focus on several practical application areas and their commercial utilization. Production technologies of nanomaterials are presented as one of the challenges today. Sectors where nanotechnology has already significantly contributed are presented, along with specific nanotechnology solutions: energy related sectors, NEMS/MEMS, micro power generators, spintronics and healthcare. The basic properties and applications of nanostructured thermoelectric materials, ferroelectric and piezoelectric nanomaterials are reviewed. Examples of several developed thin-film thermogenerators are shown. A review of existing solutions and developing challenges are given regarding sustainable energy production, photovoltaics, solar cells, hydrogen economy and improved classes of batteries as contributions to green products and circular economy. Novel, highly promising areas in nanotechnology, are shown, such as voltage-driven nano-spintronics. Recent advances in friction characterisation at the nano level are described. Several proven nanomaterials have been reviewed pertaining to biomedicine. The use of nanomaterials in ophthalmology and cosmetic industry are reviewed, and the potential for silver nanoparticles and iron-based nanomaterials in biomedicine, also with recognised challenges and possible threats of non-controlled use of nanomaterials. This work is the result of joint efforts of different companies, academic, and research institutions participating in WIMB Tempus project, 543898-TEMPUS-1-2013-1-ES-TEMPUS-JPHES, "Development of Sustainable Interrelations between Education, Research and Innovation at WBC Universities in Nanotechnologies and Advanced Materials where Innovation Means Business", co-funded by the Tempus Programme of the European Union.
Book Synopsis Nanosensors for Futuristic Smart and Intelligent Healthcare Systems by : Suresh Kaushik
Download or read book Nanosensors for Futuristic Smart and Intelligent Healthcare Systems written by Suresh Kaushik and published by CRC Press. This book was released on 2022-08-18 with total page 415 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book, Nanosensors for Futuristic Smart and Intelligent Healthcare Systems, presents a treatise on nanosensors technology including wearables, implantable devices and wireless tools. The recent pandemic (COVID-19) has changed the behaviour of people towards diagnosis of infectious diseases and monitoring remote patient health status in real-time. The main focus of this book is the basic concepts of nanomaterials and sensing paradigms for medical devices based on nanosensor technology. The book will be valuable to researchers, engineers and scientists interested in the field of healthcare for monitoring health status in real-time.
Book Synopsis CRC Handbook of Thermoelectrics by : D.M. Rowe
Download or read book CRC Handbook of Thermoelectrics written by D.M. Rowe and published by CRC Press. This book was released on 2018-12-07 with total page 720 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermoelectrics is the science and technology associated with thermoelectric converters, that is, the generation of electrical power by the Seebeck effect and refrigeration by the Peltier effect. Thermoelectric generators are being used in increasing numbers to provide electrical power in medical, military, and deep space applications where combinations of their desirable properties outweigh their relatively high cost and low generating efficiency. In recent years there also has been an increase in the requirement for thermoelectric coolers (Peltier devices) for use in infrared detectors and in optical communications. Information on thermoelectrics is not readily available as it is widely scattered throughout the literature. The Handbook centralizes this information in a convenient format under a single cover. Sixty of the world's foremost authorities on thermoelectrics have contributed to this Handbook. It is comprised of fifty-five chapters, a number of which contain previously unpublished material. The contents are arranged in eight sections: general principles and theoretical considerations, material preparation, measurement of thermoelectric properties, thermoelectric materials, thermoelectric generation, generator applications, thermoelectric refrigeration, and applications of thermoelectric cooling. The CRC Handbook of Thermoelectrics has a broad-based scope. It will interest researchers, technologists, and manufacturers, as well as students and the well-informed, non-specialist reader.
Book Synopsis Thermoelectric Materials and Devices by : Lidong Chen
Download or read book Thermoelectric Materials and Devices written by Lidong Chen and published by Elsevier. This book was released on 2020-09-25 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermoelectric Materials and Devices summarizes the latest research achievements over the past 20 years of thermoelectric material and devices, most notably including new theory and strategies of thermoelectric materials design and the new technology of device integration. The book's author has provided a bridge between the knowledge of basic physical/chemical principles and the fabrication technology of thermoelectric materials and devices, providing readers with research and development strategies for high performance thermoelectric materials and devices. It will be a vital resource for graduate students, researchers and technologists working in the field of energy conversion and the development of thermoelectric devices. Discusses the new theory and methods of thermoelectric materials design Combines scientific principles, along with synthesis and fabrication technologies in thermoelectric materials Presents the design optimization and interface technology for thermoelectric devices Introduces thermoelectric polymers and organic-inorganic thermoelectric composites
Book Synopsis Handbook of Energy Harvesting Power Supplies and Applications by : Peter Spies
Download or read book Handbook of Energy Harvesting Power Supplies and Applications written by Peter Spies and published by CRC Press. This book was released on 2015-06-01 with total page 588 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the fundamentals and principles of energy harvesting and provides the necessary theory and background to develop energy harvesting power supplies. It explains the overall system design and gives quantitative assumptions on environmental energy. It explains different system blocks for an energy harvesting power supply and the trade-offs. The text covers in detail different energy transducer technologies such as piezoelectric, electrodynamic, and thermoelectric generators and solar cells from the material to the component level and explains the appropriate power management circuits required in these systems. Furthermore, it describes and compares storage elements such as secondary batteries and supercapacitors to select the most appropriate one for the application. Besides power supplies that use ambient energy, the book presents systems that use electromagnetic fields in the radio frequency range. Finally, it discusses different application fields and presents examples of self-powered electronic systems to illustrate the content of the preceding chapters.
Book Synopsis Energy Harvesting and Storage: Materials, Devices, and Applications III by : Nibir K. Dhar
Download or read book Energy Harvesting and Storage: Materials, Devices, and Applications III written by Nibir K. Dhar and published by . This book was released on 2012 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes Proceedings Vol. 7821
