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Charge And Energy Storage In Electrical Double Layers

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Charge and Energy Storage in Electrical Double Layers

Charge and Energy Storage in Electrical Double Layers Book
Author : Silvia Ahualli,Angel V. Delgado
Publisher : Academic Press
Release : 2018-11-28
ISBN : 0128113995
Language : En, Es, Fr & De

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Book Description :

Charge and Energy Storage in Electrical Double Layers presents the basic scientific concepts and implementation of procedures devised to obtain capacitive energy from changes in the potential of electrical double layers when the salinity of solutions is changed. Capacitive deionization— the closely connected reciprocal process—is also considered. The book covers the fundamentals of electrical double layers and ions transport in porous media, the description of promising techniques of energy extraction, and the practical problems involved in each. It is written for scientists in academia and industry, and for graduate students working in supercapacitors, capacitive mixing and deionization. Provides a didactic presentation of the fundamentals of interface science involved in charge and energy storage processes Presents a pioneering overview of the application of the properties of solid/solution interfaces to desalination and energy extraction Edited by leading specialists with vast experience in the theory and experimental characterization of charged interfaces

Graphene as Energy Storage Material for Supercapacitors

Graphene as Energy Storage Material for Supercapacitors Book
Author : Inamuddin
Publisher : Materials Research Forum LLC
Release : 2020-01-20
ISBN : 1644900548
Language : En, Es, Fr & De

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Book Description :

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.

Graphene based Supercapacitors for Energy Storage Applications

Graphene based Supercapacitors for Energy Storage Applications Book
Author : Hao Yang
Publisher : Unknown
Release : 2013
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Abstract: Although great efforts have been made on development of high performance Li-ion batteries and fuel cells in the past, the slow power capability and high maintenance cost have kept them away from many applications. Recently, supercapacitors have drawn great attention because of their high charge/discharge rate, long life cycle, outstanding power density and no short circuit concern. However, supercapacitors generally exhibit low energy density. The objective of this thesis research is to develop graphene-based supercapacitors with simultaneously high power density and energy density at low production cost. Supercapacitors, also known as ultracapacitors or electrochemical capacitors, store energy as electrical charge on highly porous materials. Currently one major challenge that keeps supercapacitors from their promising applications is their low energy density. One promising electrode material candidate for electric double-layer (EDL) supercapacitors is graphene. Graphene, due to its unique lattice structure, exhibits appealing electrical properties, chemical stability and high surface area. Ideally a monolayer of sp2 bonded carbon atoms can reach a specific capacitance up to ~550 F/g as well as a high surface area of 2675 m2/g. So far, a variety of methods have been developed to synthesis graphene starting from graphite, but the cost, graphene quality and productivity remain main obstacles for their industrial application. The porous graphene material reported in this thesis was synthesized by a scalable oxidation-reduction method involving a rapid annealing process. The scanning electron microscopy (SEM) and transmission electron microscopy (TEM) images revealed the morphology and successful exfoliation of reduced graphene oxide (rGO). The interlayer distance characterized by X-ray diffraction (XRD) is 3.64 Å (24.44°) suggesting the removal of oxygen-containing functional groups, such as carbonyl, hydroxyl and carboxyl groups. In the X-ray photoelectron spectroscopy (XPS), the C/O ratio increases from ~2 to ~5 with O1s peak reduced significantly from graphite oxide (GO) to reduced graphene oxide. Furthermore, the successful reduction was verified by the low intensities of oxygen-related peaks in Fourier transform infrared spectroscopy (FTIR). In addition, the high Brunauer-Emmett-Teller (BET) specific surface area of 410 m2/g and mesoporous structure of the synthesized material would be beneficial to the improvement of charge-storage capability and thus energy density in supercapacitors. To evaluate the electrochemical performance of graphene electrodes, supercapacitors were assembled in symmetrical cell geometry. The near rectangular cyclic voltammetry (CV) curves with EMIMBF4 and LiPF6 at scan rate of 100mV/s suggest very efficient charge transfer within the porous graphene electrodes. The triangle charge-discharge responses with a small voltage drop and vertical spike in the low frequency region of a Nyquist plot indicates an ideal capacitor performance. The specific capacitance of 306.03 F/g and energy density of 148.75 Wh/kg at 1A/g were realized with highly porous graphene electrodes. Meanwhile, the power density extracted at 8A/g reaches ~10 kW/kg, thus, making it suitable for high power applications. Compared with previously investigated carbon-based EDL capacitors, the supercapacitor based on the annealed graphene electrode is a milestone in terms of capacitance and energy density. Moreover, the supercapacitors assembled with graphene electrodes shows excellent stability for 10,000 charge-discharge cycles.

Engineering of Electrode Structure for Enhanced Rate Behavior

Engineering of Electrode Structure for Enhanced Rate Behavior Book
Author : Michael Joseph Parent
Publisher : Unknown
Release : 1999
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Engineering of Electrode Structure for Enhanced Rate Behavior book written by Michael Joseph Parent, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

The Wiley Encyclopedia of Energy and the Environment

The Wiley Encyclopedia of Energy and the Environment Book
Author : Attilio Bisio,Sharon Boots
Publisher : Unknown
Release : 1997
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Provides information on important aspects of energy production, use, and environmental impact, discussing legal and policy issues as well as technological and environmental concerns, arranged alphabetically by subject, and including photographs, figures, tables, cross-references, and bibliographic entries.

Conducting Polymer Nanocomposites for Supercapacitors

Conducting Polymer Nanocomposites for Supercapacitors Book
Author : Subhash Kondawar
Publisher : Smithers Rapra
Release : 2015-09-11
ISBN : 1910242403
Language : En, Es, Fr & De

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Book Description :

Supercapacitors have drawn intensive attention owing to their virtues of high power density, long cycle life, short charging time and safe operation for promising applications to resolve problems of limited global energy supply and environmental problems. Supercapacitors are designed to bridge the gap between batteries and capacitors, to form fast charging energy-storage devices of intermediate specific energy. The supercapacitor is an important device in the energy storage and conversion systems, and is used in different applications such as in electric vehicles, uninterruptible power supplies, memory protection of computer electronics and cellular devices.This book serves as a guide in understanding the basics of conducting polymer technology, nanostructurisation of conducting polymers and their composites emerging as a new field of research and development, directed to the creation of new smart materials, especially for supercapacitors.The concepts of supercapacitors are well explained in simple and concise form to avoid the confusion of students and academic professionals. The book has chemical engineering orientation and therefore, professionals from the polymer science field may find this book most suitable for their advanced and applied field of research. It will provide them an opportunity to learn about conducting polymers and nanocomposites, and their production and processing technology for supercapacitors. Although the attention is mainly focused on preparation of conducting polymer based binary and ternary nanocomposites and their electrochemical performances for supercapacitor application, this book will be a valuable reference for scientists, engineers, students and general readers who are interested in the investigation and exploitation of the fascinating new class of conducting polymer nanocomposites.

JEE Journal of Electronic Engineering

JEE  Journal of Electronic Engineering Book
Author : Anonim
Publisher : Unknown
Release : 1992
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download JEE Journal of Electronic Engineering book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Journal of the Electrochemical Society

Journal of the Electrochemical Society Book
Author : Anonim
Publisher : Unknown
Release : 2009
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Journal of the Electrochemical Society book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Ultracapacitors

Ultracapacitors Book
Author : R. P. Deshpande
Publisher : McGraw Hill Professional
Release : 2015-03-23
ISBN : 0071842217
Language : En, Es, Fr & De

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Book Description :

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

NEC Research Development

NEC Research   Development Book
Author : Anonim
Publisher : Unknown
Release : 1999
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download NEC Research Development book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Supercapacitors

Supercapacitors Book
Author : Francois Beguin,Elzbieta Frackowiak
Publisher : John Wiley & Sons
Release : 2013-04-02
ISBN : 352764668X
Language : En, Es, Fr & De

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Book Description :

Supercapacitors are a relatively new energy storage system that provides higher energy density than dielectric capacitors and higher power density than batteries. They are particularly suited to applications that require energy pulses during short periods of time, e.g., seconds or tens of seconds. They are recommended for automobiles, tramways, buses, cranes, fork-lifts, wind turbines, electricity load leveling in stationary and transportation systems, etc. Despite the technological maturity of supercapacitors, there is a lack of comprehensive literature on the topic. Many high performance materials have been developed and new scientific concepts have been introduced. Taking into account the commercial interest in these systems and the new scientific and technological developments now is the ideal time to publish this book, capturing all this new knowledge. The book starts by giving an introduction to the general principles of electrochemistry, the properties of electrochemical capacitors, and electrochemical characterization techniques. Electrical double layer capacitors and pseudocapacitors are then discussed, followed by the various electrolyte systems. Modelling, manufacture of industrial capacitors, constraints, testing, and reliability as well as applications are also covered. 'Supercapacitors - Materials, Systems, and Applications' is part of the series on Materials for Sustainable Energy and Development edited by Prof. G.Q. Max Lu. The series covers advances in materials science and innovation for renewable energy, clean use of fossil energy, and greenhouse gas mitigation and associated environmental technologies.

Supercapacitor Technology

Supercapacitor Technology Book
Author : Inamuddin,Rajender Boddula,Mohd Imran Ahamed,Abdullah M. Asiri
Publisher : Materials Research Forum LLC
Release : 2019-11-25
ISBN : 1644900491
Language : En, Es, Fr & De

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Book Description :

Supercapacitors are most interesting in the area of rechargeable battery based energy storage because they offer an unbeatable power density, quick charge/discharge rates and prolonged lifetimes in comparison to batteries. The book covers inorganic, organic and gel-polymer electrolytes, electrodes and separators used in different types of supercapacitors; with emphasis on material synthesis, characterization, fundamental electrochemical properties and most promising applications. Keywords: Supercapacitors, Rechargeable Batteries, Organic Electrolytes, Inorganic Electrolytes, Gel Polymer based Supercapacitors, Redox Electrolytes, Starch-Based Electrolytes, Flexible Supercapacitors, Pseudocapacitors, Carbon Nanoarchitectures for Supercapacitors, Photo-Supercapacitors, Bimetal Oxides/Sulfides for Electrochemical Supercapacitors.

Annual Reports on the Progress of Chemistry

Annual Reports on the Progress of Chemistry Book
Author : Anonim
Publisher : Unknown
Release : 1979
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Annual Reports on the Progress of Chemistry book written by , available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Industrial Science and Technology

Industrial Science and Technology Book
Author : Agus Geter Edy Sutjipto,Farah Hanani Zulkifli,Izan Izwan Misnon
Publisher : Trans Tech Publications Ltd
Release : 2020-03-12
ISBN : 3035736642
Language : En, Es, Fr & De

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Book Description :

This collection contains the reviewed papers selected after the results of the Postgraduate Symposium on Industrial Science and Technology 2019 (SISTEC 2019, 22- 23 August 2019, Malaysia) and presents readers with recent engineering achievements in the area of materials and technologies. This collection will be useful and interesting for many engineers and specialists.

Fundamentals of Energy Storage

Fundamentals of Energy Storage Book
Author : Johannes Jensen,Bent Sørensen
Publisher : Wiley-Interscience
Release : 1984
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Fundamentals of Energy Storage book written by Johannes Jensen,Bent Sørensen, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Electrochemical Capacitors

Electrochemical Capacitors Book
Author : Inamuddin,Mohammad Faraz Ahmer,Abdullah M. Asiri,Sadaf Zaidi
Publisher : Materials Research Forum LLC
Release : 2018-02-25
ISBN : 1945291575
Language : En, Es, Fr & De

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Book Description :

Electrochemical capacitors are most important for the development of future energy storage systems and sustainable power sources. New superior hybrid supercapacitors are based on binary and ternary thin film nanocomposites involving carbon, metal oxides and polymeric materials. The synthesis of materials and fabrication of electrodes for supercapacitor applications is discussed in detail. The book also presents the fundamental theory and a thorough literature review of supercapacitors. Energy Storage, Electrochemical Capacitors, Nanocomposites, Hybrid Supercapacitors, Carbon/Metal Oxide Composites, Metal Oxides/Hydroxides Composites, Polymer Type Capacitors, Nanoscience, Hydrothermal Synthesis, Graphene-based Composites, Ultrasonic Assisted Synthesis

Electrochemical Capacitors and Hybrid Power Batteries 2008

Electrochemical Capacitors and Hybrid Power Batteries 2008 Book
Author : P. Simon
Publisher : The Electrochemical Society
Release : 2008-10
ISBN : 1566776473
Language : En, Es, Fr & De

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Book Description :

Electrochemical capacitors in part or in whole on the electrical double later at electrode interfaces have found application in a variety of energy storage applications. Paper for the symposium are solicited that cover all fundamental and practical aspects of ultracapacitors, supercapacitors, and similar electrochemical energy conversion devices, including: 1) double layer and/or pseudo-capacitance of carbons, conducting polymers, and advanced inorganic materials, 2) synthesis and characterization of high surface area materials for electrochemical capacitors, 3) development and optimization of practical ultra- and super-capacitor components, including current collectors, electrodes, electrolytes, separators and packaging, 4) performance of new device designs and construction using symmetric and asymmetric electrode constructions, 5) mathematical models for performance characterization, 6) comparison of energy, power, and lifetime characteristics of hybrid fuel cell and battery power sources utilizing electrochemical capacitors. Keynote speakers will present tutorials covering recent advances and future directions for electrochemical capacitor technology.