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Microsupercapacitors

Microsupercapacitors
A Book

by Kazufumi Kobashi,Karolina Laszczyk

  • Publisher : Woodhead Publishing
  • Release : 2021-09-15
  • Pages : 400
  • ISBN : 9780081028889
  • Language : En, Es, Fr & De
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Microsupercapacitors systematically guides the reader through the key materials, characterization techniques, performance factors and potential applications and benefits to society of this emerging electrical energy storage solution. It reviews the technical challenges in scaling down supercapacitors from the materials, performance, design, and applications perspective. The book provides a fundamental understanding of microsupercapacitors and compares them to existing energy storage technologies. It also considers the factors that impact performance and potential tactics to improve performance. The book concludes with a clear assessment of the barriers to implementation, emerging solutions to those barriers, and a future outlook. Microsupercapacitors will be of particular interest for materials scientists and engineers working in academia and research and development. Provides a concise introduction of the fundamental science, technological challenges and solutions of microsupercapacitors Compares microsupercapacitors with current technologies and reviews the application of existing and new strategies to the challenge of scaling down supercapacitors Reviews the most relevant applications such as energy storage, energy harvesting, sensors and biomedical devices

Reduced Graphene Oxide-Based Microsupercapacitors

Reduced Graphene Oxide-Based Microsupercapacitors
A Book

by Zhi Jiang

  • Publisher : Unknown Publisher
  • Release : 2017
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Recent development in miniaturized electronic devices has been boosting the demand for power sources that are sufficiently thin, flexible/bendable, and even tailorable and can potentially be integrated in a package with other electronic components. Reduced graphene oxide can be a promising electrode material for miniaturized microsupercapacitors due to their excellent electrical conductivity, high surface-to-volume ratio, outstanding intrinsic electrochemical double-layer capacitance, and facile production in large scale and low cost. Therefore, the routes to produce high-quality reduced graphene oxide as electrode materials, along with the typical fabrication techniques for miniaturized electrodes, are deliberately discussed in this chapter. Furthermore, breakthroughs in the area of the advanced packaging technology, deciding the electrochemical performance and stability of these miniaturized microsupercapacitors, are highlighted. Lastly, a summary of the overall electrochemical properties and current development of the reported devices is presented progressively to provide insights into the development of novel miniaturized energy storage technologies.

Nanomaterials for Sustainable Energy

Nanomaterials for Sustainable Energy
A Book

by Quan Li

  • Publisher : Springer
  • Release : 2016-05-12
  • Pages : 590
  • ISBN : 3319320238
  • Language : En, Es, Fr & De
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This book presents the unique mechanical, electrical, and optical properties of nanomaterials, which play an important role in the recent advances of energy-related applications. Different nanomaterials have been employed in energy saving, generation, harvest, conversion, storage, and transport processes very effectively and efficiently. Recent progress in the preparation, characterization and usage of 1D, 2D nanomaterials and hybrid architectures for energy-related applications and relevant technologies and devices, such as solar cells, thermoelectronics, piezoelectronics, solar water splitting, hydrogen production/storage, fuel cells, batteries, and supercapacitors is covered. Moreover, the book also highlights novel approaches in nanomaterials design and synthesis and evaluating materials sustainability issues. Contributions from active and leading experts regarding important aspects like the synthesis, assembly, and properties of nanomaterials for energy-related applications are compiled into a reference book. As evident from the diverse topics, the book will be very valuable to researchers working in the intersection of physics, chemistry, biology, materials science and engineering. It may set the standard and stimulates future developments in this rapidly emerging fertile frontier of nanomaterials for energy.

Flexible and Stretchable Electronics

Flexible and Stretchable Electronics
Materials, Design, and Devices

by Run-Wei Li,Gang Liu

  • Publisher : CRC Press
  • Release : 2019-12-11
  • Pages : 392
  • ISBN : 0429602685
  • Language : En, Es, Fr & De
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With the recently well developed areas of Internet of Thing, consumer wearable gadgets and artificial intelligence, flexible and stretchable electronic devices have spurred great amount of interest from both the global scientific and industrial communities. As an emerging technology, flexible and stretchable electronics requires the scale-span fabrication of devices involving nano-features, microstructures and macroscopic large area manufacturing. The key factor behind covers the organic, inorganic and nano materials that exhibit completely different mechanical and electrical properties, as well as the accurate interfacial control between these components. Based on the fusion of chemistry, physics, biology, materials science and information technology, this review volume will try to offer a timely and comprehensive overview on the flexible and stretchable electronic materials and devices. The book will cover the working principle, materials selection, device fabrication and applications of electronic components of transistors, solar cells, memories, sensors, supercapacitors, circuits and etc.

Graphene-based Energy Devices

Graphene-based Energy Devices
A Book

by A. Rashid bin Mohd Yusoff

  • Publisher : John Wiley & Sons
  • Release : 2015-02-17
  • Pages : 464
  • ISBN : 3527690328
  • Language : En, Es, Fr & De
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This first book dedicated to the topic provides an up-to-date account of the many opportunities graphene offers for robust, workable energy generation and storage devices. Following a brief overview of the fundamentals of graphene, including the main synthesis techniques, characterization methods and properties, the first part goes on to deal with graphene for energy storage applications, such as lithium-ion batteries, supercapacitors and hydrogen storage. The second part is concerned with graphene-based energy-generation devices, in particular conventional as well as microbial and enzymatic fuel cells, with chapters on graphene photovoltaics rounding off the book. Throughout, device architectures are not only discussed on a laboratory scale, but also ways for upscaling to an industrial level, including manufacturing processes and quality control. By bridging academic research and industrial development this is invaluable reading for materials scientists, physical chemists, electrochemists, solid state physicists, and those working in the electrotechnical industry.

Electrochemical Materials Design for Micro-Supercapacitors

Electrochemical Materials Design for Micro-Supercapacitors
A Book

by Can Liu

  • Publisher : Unknown Publisher
  • Release : 2016
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Micro-supercapacitors (m-SC) arise from the demand of developing micro-power system for MEMS devices, attracting much research interest in recent years. As m-SC has to achieve high areal energy and power densities, the volumetric capacitance and the rate capability of the electrode materials have become the most important concern. This review compares the intrinsic electrochemical properties of the state-of-art electrode materials for m-SC, reporting the recent advances in the three types of electrode materials. For carbon electrode materials, two developing trends are identified: one is to enhance volumetric capacitance through a proper film fabrication process, while the other one is to further promote its fast response rate by making open-structured devices. For pseudocapacitive oxides, in order to achieve better rate capability and cyclability, the relationship between the electrochemical property and the structure is worth further exploration. As an example, the composition, microstructure, and morphology of the molybdenum oxide film were optimized to realize superior electrochemical performance as an electrode material for m-SC. Architecture design is another important factor for m-SC. In-plane interdigital architectures have proven its success to fabricate fast response devices. Further study on the interplay effect between such architecture and pseudocapacitive materials is in need.

Ionic Liquids: Properties and Applications

Ionic Liquids: Properties and Applications
A Book

by Francesca D’Anna,Jason Harper

  • Publisher : Frontiers Media SA
  • Release : 2019-10-17
  • Pages : 329
  • ISBN : 2889630056
  • Language : En, Es, Fr & De
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Sustainability, defined as the way to meet the needs of the present generation without compromising the ability of future ones to meet their own, is one of the main challenges of modern society. Within this context, chemistry plays a significant role, and solvent nature as well as its environmental impact are pivotal issues frequently addressed. Ionic liquids, i.e. organic salts that have melting temperatures lower than 100 °C, have been frequently hailed as alternatives to conventional organic solvents. Their greenness has been mainly ascribed to their low vapor pressure and flammability. However, in addition to this, their high solubilizing ability and low miscibility with conventional organic solvents frequently allow for reducing the amount used, as well as for their recycling. Ionic liquids, especially the ones featured by aromatic cations, are frequently described as “polymeric supramolecular fluids” constructed through the establishment of feeble but cooperative supramolecular interactions like Coulomb and π-π interactions, as well as hydrogen bonds. In general, ionic liquids are also indicated as “designer solvents” as it is possible to tailor their features to specific applications by simply modifying their cation or anion structure. In this way, small changes in the ion’s structure can give rise to solvents showing very different properties. The above premises widely justify the growing interest in the properties and applications of ionic liquids, seen in recent literature (according to Scopus, more than 27,000 papers published in the last five years have “ionic liquids” as a keyword). Thanks to their properties, they have been variously used as solvent media, solvents for the obtainment of gel phases, components in the building of dye-sensitized solar cells, media for the preparation of thermochromic materials, etc. This Research Topic aims to present how structural features can determine not only the properties of ionic liquids, but also their possible employment. In this latter case, the interest arises from their ability to affect the outcome of a given reaction in terms of rate, yield, and nature of the products obtained for general use in the field of materials chemistry. This article collection is dedicated to Prof. Kenneth R. Seddon for his outstanding contribution to the formation and development of the ionic liquids community.

On-chip Micro-supercapacitors Based on Nano-structured Carbon Materials

On-chip Micro-supercapacitors Based on Nano-structured Carbon Materials
A Book

by Peihua Huang

  • Publisher : Unknown Publisher
  • Release : 2013
  • Pages : 157
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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The increasing number of functions in portable electronic devices requires more and more energy and power within a limited space. Li-ion thin film or so-called micro-batteries are the current solution for power supply. Drawbacks of these storage elements are poor power performance with limited life-span and temperature range. Carbon-based micro- supercapacitors, on the other hand, are able to deliver energy in short time, thus offering high power capability, to work at low temperature and they present an unlimited life-span. This thesis proposes several carbon-based micro-supercapacitors, to be integrated on a silicon substrate together with other electronics components or sensors. They are foreseen as a potential replacement or complement of Li-ion micro-batteries to enhance the total performance of the whole power source system. The thesis work is mainly focused on adapted materials and technologies for enabling micro-supercapacitors realization. Two types of on-chip micro-supercapacitors with planar interdigitated electrodes configuration were developed: one prepared from Electrophoretic deposition (EPD) and its combination of different carbon materials and different types of electrolytes, the other from patterned titanium or silicon carbide derived carbon film (TiC-CDC or SiC-CDC) on Si chip with different microfabrication techniques. Onion like carbon-based micro-supercapacitor by EPD shows high power delivery (scan rate up to 100V/s) in organic electrolyte, and high temperature range (-50 °C - 80 °C) in a eutectic mixture of ionic liquids. Different techniques for patterning carbide films have been developed to fabricate a CDC based micro- supercapacitor: reactive ion etching (RIE) or focused ion beam (FIB). TiC-CDC film based micro-supercapacitors show promising preliminary results. The developed technologies pave the way to a full and effective integration of micro-size energy storage devices on-chip.

Development of Novel Micro-supercapacitors with High Areal Energy Density and Smart Functions

Development of Novel Micro-supercapacitors with High Areal Energy Density and Smart Functions
A Book

by Panpan Zhang

  • Publisher : Unknown Publisher
  • Release : 2019
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Supercapacitors

Supercapacitors
A Book

by Stanislav Kolisnychenko

  • Publisher : Trans Tech Publications Ltd
  • Release : 2015-07-31
  • Pages : 856
  • ISBN : 303570094X
  • Language : En, Es, Fr & De
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Supercapacitors are widely used in tiny (MEMS) high-tech devices, as well as in advanced energy systems. Practical use of ultracapacitors opens up new horizons in the technology of accumulation, storing and delivery of electrical energy. Modern materials and technologies which are used to create supercapacitors are results of the advanced achievements in the field of fundamental and applied physics and materials science. The special collection “Supercapacitors” consists of papers published by Trans Tech Publications Inc. from 2010 up to 2015 and covers a wide range of advanced achievements in the field of applied research of materials and technologies for manufacturing of supercapacitors and some of their application in different branches of engineering practice. Chapter 1: Materials and Technologies for Creating of Supercapacitors Chapter 2: Modeling and Measurements of Properties of Supercapacitors Chapter 3: Some Examples of Practical Application of Supercapacitors

Ultracapacitors

Ultracapacitors
A Book

by R. P. Deshpande

  • Publisher : McGraw Hill Professional
  • Release : 2015-03-23
  • Pages : 448
  • ISBN : 0071842217
  • Language : En, Es, Fr & De
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Cutting-edge coverage of ultracapacitors and their applications Written by a global expert in the field, this pioneering work discusses ultracapacitors and their applications for short-term electrical energy storage. The book describes different types of ultracapacitors and their classification based on energy storage mechanism and electrode combinations. The characteristics, reliability, cycle life, and properties of ultracapacitors, as well as their manufacturing techniques, are discussed in detail. The book examines various applications of ultracapacitors, including electronics, grid systems, automotive, public transportation, military, and other sectors. Emerging trends are also addressed in this ground-breaking resource. Ultracapacitors covers: Electrochemical capacitors Types of ultracapacitors Ultracapacitor characteristics Ultracapacitor charging Ultracapacitor materials Construction of EC capacitors Ultracapacitor cell balancing and modules Hybrid capacitors Li-ion capacitors Applications in the electronics industry Grid system applications Ultracapacitors in vehicles Bus and rail transport Ultrabattery: advanced battery power Military applications Water desalination Ultracapacitor manufacturers Pseudocapacitors Notes on using ultracapacitors Future scenarios

Electrochemical Energy Conversion and Storage Systems for Future Sustainability

Electrochemical Energy Conversion and Storage Systems for Future Sustainability
Technological Advancements

by Aneeya Kumar Samantara,Satyajit Ratha

  • Publisher : CRC Press
  • Release : 2020-11-17
  • Pages : 326
  • ISBN : 1000764176
  • Language : En, Es, Fr & De
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This new volume discusses new and well-known electrochemical energy harvesting, conversion, and storage techniques. It provides significant insight into the current progress being made in this field and suggests plausible solutions to the future energy crisis along with approaches to mitigate environmental degradation caused by energy generation, production, and storage. Topics in Electrochemical Energy Conversion and Storage Systems for Future Sustainability: Technological Advancements address photoelectrochemical catalysis by ZnO, hydrogen oxidation reaction for fuel cell application, and miniaturized energy storage devices in the form of micro-supercapacitors. The volume looks at the underlying mechanisms and acquired first-hand information on how to overcome some of the critical bottlenecks to achieve long-term and reliable energy solutions. The detailed synthesis processes that have been tried and tested over time through rigorous attempts of many researchers can help in selecting the most effective and economical ways to achieve maximum output and efficiency, without going through time-consuming and complex steps. The theoretical analyses and computational results corroborate the experimental findings for better and reliable energy solutions.

Graphene Materials

Graphene Materials
Advanced Applications

by George Kyzas,Athanasios Mitropoulos

  • Publisher : BoD – Books on Demand
  • Release : 2017-05-17
  • Pages : 240
  • ISBN : 9535131419
  • Language : En, Es, Fr & De
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Graphene is, basically, a single atomic layer of graphite, an abundant mineral that is an allotrope of carbon that is made up of very tightly bonded carbon atoms organized into a hexagonal lattice. What makes graphene so special is its sp2 hybridization and very thin atomic thickness (of 0.345 Nm). These properties are what enable graphene to break so many records in terms of strength, electricity, and heat conduction (as well as many others). This book gathers valuable information about many advanced applications of graphene (electrical, optical, environmental, cells, capacitors, etc).

Graphene as Energy Storage Material for Supercapacitors

Graphene as Energy Storage Material for Supercapacitors
A Book

by Inamuddin

  • Publisher : Materials Research Forum LLC
  • Release : 2020-01-20
  • Pages : 284
  • ISBN : 1644900548
  • Language : En, Es, Fr & De
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The book presents a comprehensive review of graphene-based supercapacitor technology. It focusses on synthesis, characterization, fundamental properties and promising applications of graphene materials and various types of graphene-based composites. The wide range of applications include electric power systems of portable electronics, hybrid-electric vehicles, mobile phones etc. Keywords: Graphene, Energy Storage Materials, Supercapacitors, Micro-Supercapacitors, Self-Healable Supercapacitors, Graphene-Based ZnO Nanocomposites, Defect Engineered Graphene Materials, Electric Power Systems.

Inorganic Two-dimensional Nanomaterials

Inorganic Two-dimensional Nanomaterials
Fundamental Understanding, Characterizations and Energy Applications

by Changzheng Wu

  • Publisher : Royal Society of Chemistry
  • Release : 2017-08-22
  • Pages : 428
  • ISBN : 1782624651
  • Language : En, Es, Fr & De
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Inorganic 2D nanomaterials, or inorganic graphene analogues, are gaining great attention due to their unique properties and potential energy applications. They contain ultrathin nanosheet morphology with one-dimensional confinement, but unlike pure carbon graphene, inorganic two-dimensional nanomaterials have a more abundant elemental composition and can form different crystallographic structures. These properties contribute to their unique chemical reaction activity, tunable physical properties and facilitate applications in the field of energy conversion and storage. Inorganic Two-dimensional Nanomaterials details the development of the nanostructures from computational simulation and theoretical understanding to their synthesis and characterization. Individual chapters then cover different applications of the materials as electrocatalysts, flexible supercapicitors, flexible lithium ion batteries and thermoelectrical devices. The book provides a comprehensive overview of the field for researchers working in the areas of materials chemistry, physics, energy and catalysis.

Fundamentals and Supercapacitor Applications of 2D Materials

Fundamentals and Supercapacitor Applications of 2D Materials
A Book

by Chandra Sekhar Rout,Dattatray J. Late

  • Publisher : Elsevier
  • Release : 2021-06-01
  • Pages : 426
  • ISBN : 0128219947
  • Language : En, Es, Fr & De
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Fundamentals and Applications of Supercapacitor 2D Materials covers different aspects of supercapacitor 2D materials, including their important properties, synthesis, and recent developments in supercapacitor applications of engineered 2D materials. In addition, theoretical investigations and various types of supercapacitors based on 2D materials such as symmetric, asymmetric, flexible, and micro-supercapacitors are covered. This book is a useful resource for research scientists, engineers, and students in the fields of supercapacitors, 2D nanomaterials, and energy storage devices. Due to their sub-nanometer thickness, 2D materials have a high packing density, which is suitable for the fabrication of highly-packed energy supplier/storage devices with enhanced energy and power density. The flexibility of 2D materials, and their good mechanical properties and high packing densities, make them suitable for the development of thin, flexible, and wearable devices. Explores recent developments and looks at the importance of 2D materials in energy storage technologies Presents both the theoretical and DFT related studies Discusses the impact on performance of various operating conditions Includes a brief overview of the applications of supercapacitors in various industries, including aerospace, defense, biomedical, environmental, energy, and automotive

Smart Structures and Materials 2004

Smart Structures and Materials 2004
15-18 March 2004, San Diego, USA. Electroactive polymer actuators and devices (EAPAD)

by Yoseph Bar-Cohen

  • Publisher : Society of Photo Optical
  • Release : 2004
  • Pages : 556
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.

Advanced Supercapacitor Based on Combination of Graphene Hybrid Materials and Redox-Electrolytes

Advanced Supercapacitor Based on Combination of Graphene Hybrid Materials and Redox-Electrolytes
A Book

by Jee Youn Hwang

  • Publisher : Unknown Publisher
  • Release : 2016
  • Pages : 249
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Electrochemical capacitors, also known as supercapacitors, are attractive energy storage devices with the ability to recharge in seconds instead of hours for traditional batteries. They also can be used for up to a million charge/discharge cycles. Because of their enabling features, supercapacitors are replacing batteries and capacitors in an increasing number of applications including back-up power, cold starting, flash cameras, and regenerative braking. However, the low energy density of carbon electrodes is the main impediment to realizing the full potential of this technology. State-of-the-art supercapacitors feature activated carbon electrodes impregnated with a non-aqueous electrolyte (typically acetonitrile) that operate at voltages between 2.2-2.7 V. Unfortunately, activated carbons have low specific capacitance in organic electrolytes which severely limits the energy density of commercial systems. In addition, organic solvents are often flammable leading to safety and environmental concerns. Aqueous electrolytes, on the other hand, are safer, cheaper and have higher ionic conductivity, promising higher capacitance electrodes. This has triggered tremendous research efforts in order to develop new hybrid electrode materials that are capable of providing a huge amount of energy in an aqueous electrolyte. We have used a commercial grade LightScribe DVD burner for the direct synthesis and processing of graphene-metal oxide (RuO2, Fe3O4, MnO2, V2O5, etc.) hybrid electrodes in a single step. By anchoring metal oxide nanoparticles directly onto graphene, the 3-dimensional, highly porous graphene surfaces serve as excellent conductors for fast electron transfer, while metal oxide nanoparticles provide a large electrochemically active surface area for fast and reversible Faradaic reactions. Although metal oxide and carbon composite active materials are able to improve the capacitance, the energy density cannot be improved significantly if one only relies on the solid active materials comprising the electrode. Another important deciding factor for the performance of a supercapacitor is the electrolyte. Adding redox-additives into a traditional aqueous electrolyte has proven to be an efficient route to enhance supercapacitor performance because redox additives can contribute to the capacitance and enhance the energy densities via redox reactions between the electrode and the electrolyte. While carbon hybrid electrodes can only operate at 1.0 V, the addition of a redox mediator extends the decomposition voltage of the electrolyte, resulting in a symmetric supercapacitor with an ultrahigh voltage of 2 V. This represents a conceptual advance in the field of aqueous supercapacitors and may enable a new generation of eco-friendly energy storage devices. As both electrode and electrolyte contribute to charge storage simultaneously, an ultrahigh specific capacitance can be obtained. In addition, single-step direct laser writing of hybrid micro-supercapacitors shows great potential for miniaturized electronics. Thus, the current work provides an effective strategy for designing and fabricating aqueous supercapacitors and micro-supercapacitors that hold promise for a sustainable energy future.

Thermal Effects in Supercapacitors

Thermal Effects in Supercapacitors
A Book

by Guoping Xiong,Arpan Kundu,Timothy S. Fisher

  • Publisher : Springer
  • Release : 2015-06-17
  • Pages : 147
  • ISBN : 3319202421
  • Language : En, Es, Fr & De
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This Brief reviews contemporary research conducted in university and industry laboratories on thermal management in electrochemical energy storage systems (capacitors and batteries) that have been widely used as power sources in many practical applications, such as automobiles, hybrid transport, renewable energy installations, power backup and electronic devices. Placing a particular emphasis on supercapacitors, the authors discuss how supercapacitors, or ultra capacitors, are complementing and replacing, batteries because of their faster power delivery, longer life cycle and higher coulombic efficiency, while providing higher energy density than conventional electrolytic capacitors. Recent advances in both macro- and micro capacitor technologies are covered. The work facilitates systematic understanding of thermal transport in such devices that can help develop better power management systems.

JJAP

JJAP
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2008
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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