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Novel High Volumetric Energy Density Nanostructured Electrode Materials For Biomedical Applications
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Book Synopsis Novel High Volumetric Energy Density Nanostructured Electrode Materials for Biomedical Applications by : Wei Tong
Download or read book Novel High Volumetric Energy Density Nanostructured Electrode Materials for Biomedical Applications written by Wei Tong and published by . This book was released on 2010 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: A definitive focus is being made to develop cathode materials of higher energy and good power for primary and rechargeable lithium batteries upon the development of implantable biomedical devices (cardiac defibrillators). In this thesis, novel electroactive nanostructured silver metal oxyfluoride perovskites, Ag1+3Mo6+(O3F3) and Ag1+3Nb5+(O2F4) have been successfully synthesized by a mechanochemical reaction. The formation of these perovskites was investigated throughout the Ag-Mo / Nb composition range with the use of either Ag1+ or Ag2+ in the form of AgF and AgF2 as the reactant, respectively. The compositional study combined with XRD and extensive Raman investigation was utilized to determine structure and cation distribution and infer oxidation state. An electrochemical characterization of these silver metal oxyfluoride perovskite positive electrodes for Li batteries was investigated for the first time as a function of synthesis condition, stoichiometry and effect of Mo and Ag derived second phases. A detailed in-situ electrochemical study by XAS, Raman and XRD was performed, revealing a 3 electron silver displacement or conversion reaction at> 3 V and a 2 electron reduction of Mo6+ to Mo4+ in the region
Book Synopsis Nanomaterials for Electrochemical Energy Storage Devices by : Poulomi Roy
Download or read book Nanomaterials for Electrochemical Energy Storage Devices written by Poulomi Roy and published by John Wiley & Sons. This book was released on 2019-11-12 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy storage devices are considered to be an important field of interest for researchers worldwide. Batteries and supercapacitors are therefore extensively studied and progressively evolving. The book not only emphasizes the fundamental theories, electrochemical mechanism and its computational view point, but also discusses recent developments in electrode designing based on nanomaterials, separators, fabrication of advanced devices and their performances.
Book Synopsis Nanostructured Materials for Energy Storage by : Kalim Deshmukh
Download or read book Nanostructured Materials for Energy Storage written by Kalim Deshmukh and published by John Wiley & Sons. This book was released on 2024-08-14 with total page 1981 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive reference work for researchers and engineers working with advanced and emerging nanostructured battery and supercapacitor materials Lithium-ion batteries and supercapacitors play a vital role in the paradigm shift towards sustainable energy technology. This book reviews how and why different nanostructured materials improve the performance and stability of batteries and capacitors. Sample materials covered throughout the work include: Graphene, carbon nanotubes, and carbon nanofibers MXenes, hexagonal boron nitride, and transition metal dichalcogenides Transition metal oxides, metal-organic frameworks, and lithium titanates Gel polymer electrolytes, hydrogels, and conducting polymer nanocomposites For materials scientists, electrochemists, and solid state chemists, this book is an essential reference to understand the lithium-ion battery and supercapacitor applications of nanostructured materials that are most widely used for developing low-cost, rapid, and highly efficient energy storage systems.
Book Synopsis Nanostructured Materials as Novel Electrochemical Cells Electrodes for Energy Storage Applications by : Bo Liu
Download or read book Nanostructured Materials as Novel Electrochemical Cells Electrodes for Energy Storage Applications written by Bo Liu and published by . This book was released on 2018 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Novel Design and Synthesis of Nanostructured Electrode Materials for Advanced Lithium Ion Batteries by : Zhiqiang Xie
Download or read book Novel Design and Synthesis of Nanostructured Electrode Materials for Advanced Lithium Ion Batteries written by Zhiqiang Xie and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Nanomaterials for Electrochemical-Based Energy Conversion and Storage by :
Download or read book Advanced Nanomaterials for Electrochemical-Based Energy Conversion and Storage written by and published by Elsevier. This book was released on 2019-08-15 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Nanomaterials for Electrochemical-Based Energy Conversion and Storage covers recent progress made in the rational design and engineering of functional nanomaterials for battery and supercapacitor applications in the forms of electrode materials, separators and electrolytes. The book includes detailed discussions of preparation methods, structural characterization, and manipulation techniques. Users will find a comprehensive illustration on the close correlation between material structures and properties, such as energy density, power density, cycle number and safety. Provides an overview on the application of nanomaterials for energy storage and power systems Includes a description of the fundamental aspects of the electrochemical process Explores the new aspects of electrolyte and separator systems
Book Synopsis Nanostructured Materials for Electrochemical Energy Production and Storage by : Edson Roberto Leite
Download or read book Nanostructured Materials for Electrochemical Energy Production and Storage written by Edson Roberto Leite and published by Springer Science & Business Media. This book was released on 2010-03-20 with total page 241 pages. Available in PDF, EPUB and Kindle. Book excerpt: Here is an authoritative reference from world-renowned research groups for those working in materials science and electrochemistry. The authors describe properties of nanostructured materials that can improve performance in alternative energy devices.
Book Synopsis Nanotechnology in Advanced Electrochemical Power Sources by : S. R. S. Prabaharan
Download or read book Nanotechnology in Advanced Electrochemical Power Sources written by S. R. S. Prabaharan and published by CRC Press. This book was released on 2014-10-24 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: The challenge of providing adequate power on an indefinite basis without causing long-term damage to the environment requires a versatile means of energy conversion and storage. As such, electrical energy storage is becoming more vital today than at any time in human history. Electrochemical systems, such as batteries, supercapacitors, fuel cells, and photoelectrochemical cells, can help meet this objective. Future generations of rechargeable lithium batteries will be required to power portable electronic devices, store electricity from renewable sources, and serve as a vital component to pursuing electric mobility in the future to reduce fossil fuel demand and mitigate environmental issues. In this context, engineering of new materials, especially at the nanoscale, has become imperative to achieve enhanced energy and power density to meet the future challenges of energy storage. This book outlines the state of the art of nanoscale aspects of advanced energy storage devices, such as lithium-ion batteries, including microbatteries and electrochemical supercapacitors. It focuses on various fundamental issues related to device performance of various positive and negative electrode materials, with special reference to their nanoscale advantages. It also includes fundamentals and processing techniques with regard to synthesis, characterization, physical, and electrochemical properties, and applications of nanoscale materials pertaining to advanced electrochemical power sources. A variety of advanced nanomaterials, such as transition metal oxides, phosphates, silicates, and conversion electrodes, together with some special nanomaterials such as carbon nanotubes, nanorods, and mesoporous carbons are discussed by many notable authorities in the field.
Book Synopsis Advanced Electrode Materials by : Ashutosh Tiwari
Download or read book Advanced Electrode Materials written by Ashutosh Tiwari and published by John Wiley & Sons. This book was released on 2016-11-04 with total page 563 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the recent advances in electrode materials and their novel applications at the cross-section of advanced materials. The book is divided into two sections: State-of-the-art electrode materials; and engineering of applied electrode materials. The chapters deal with electrocatalysis for energy conversion in view of bionanotechnology; surfactant-free materials and polyoxometalates through the concepts of biosensors to renewable energy applications; mesoporous carbon, diamond, conducting polymers and tungsten oxide/conducting polymer-based electrodes and hybrid systems. Numerous approaches are reviewed for lithium batteries, fuel cells, the design and construction of anode for microbial fuel cells including phosphate polyanion electrodes, electrocatalytic materials, fuel cell reactions, conducting polymer based hybrid nanocomposites and advanced nanomaterials.
Book Synopsis Nanobatteries and Nanogenerators by : Huaihe Song
Download or read book Nanobatteries and Nanogenerators written by Huaihe Song and published by Elsevier. This book was released on 2020-12-10 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt: The term 'nanobattery' can refer not only to the nanosized battery, but also to the uses of nanotechnology in a macro-sized battery for enhancing its performance and lifetime. Nanobatteries can offer many advantages over the traditional battery, including higher power density, shorter charging time, and longer shelf life. Nano-generators refer to the uses of nanosized devices and materials to convert mechanical, thermal and light-based energies into electricity. Similar to with traditional battery, in nanobatteries, the chemical energy is converted into electricity. This book addresses the fundamental design concepts and promising applications of nanobatteries and nanogenerators. Particular application areas include healthcare, biomedical, smart nanodevices and nanosensors, which may require new electric power sources, including self-powered ability and nanostructured electric power sources. In this regard, nanobatteries and nanogenerators represent the next generation of electric power. This is an important reference source for materials scientists, engineers and energy scientists, who are looking to increase their understanding of how nanotechnology is being used to create new energy storage and generation solutions. Outlines the major design and fabrication principles and techniques for creating nano-sized batteries and generators Demonstrates how nanotechnology is being used to make batteries and generators more powerful and longer lasting Assesses the challenges of mass manufacturing nanobatteries and nanogenerators
Book Synopsis Graphene Bioelectronics by : Ashutosh Tiwari
Download or read book Graphene Bioelectronics written by Ashutosh Tiwari and published by Elsevier. This book was released on 2017-11-22 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: Graphene Bioelectronics covers the expending field of graphene biomaterials, a wide span of biotechnological breakthroughs, opportunities, possibilities and challenges. It is the first book that focuses entirely on graphene bioelectronics, covering the miniaturization of bioelectrode materials, bioelectrode interfaces, high-throughput biosensing platforms, and systemic approaches for the development of electrochemical biosensors and bioelectronics for biomedical and energy applications. The book also showcases key applications, including advanced security, forensics and environmental monitoring. Thus, the evolution of these scientific areas demands innovations in crosscutting disciplines, starting from fabrication to application. This book is an important reference resource for researchers and technologists in graphene bioelectronics—particularly those working in the area of harvest energy biotechnology—employing state-of-the-art bioelectrode materials techniques. Offers a comprehensive overview of state-of-art research on graphene bioelectronics and their potential applications Provides innovative fabrication strategies and utilization methodologies, which are frequently adopted in the graphene bioelectronics community Shows how graphene can be used to make more effective energy harvesting devices
Book Synopsis Rational Design of Nanostructured Electrode Materials for High-performance Supercapacitors by : Xingye Fan
Download or read book Rational Design of Nanostructured Electrode Materials for High-performance Supercapacitors written by Xingye Fan and published by . This book was released on 2015 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: As is well known, the update of various electronic products is getting faster and faster to meet the requirements of electronic market. In this proposed circumstance, supercapacitors with high performance including energy density, power density, cycling stability, long shelf duration and short charging time, are highly demanded. Moreover, as a sustainable development strategy requested, it is also necessary to consider the environmental benignity, low cost and natural benignity when designing supercapacitor electrode materials. In this thesis, a novel electrode material of supercapacitors is designed and investigated to solve the problems that are commonly encountered among current energy storage technologies. Partially graphitized hierarchical porous carbon was combined with manganese dioxide to use as supercapacitor electrode material, providing both high power density and energy density. Manganese dioxide has been studied and proven to be a suitable potential electrode material for supercapacitors due to high theoretical specific capacitance, low cost, non-toxicity and a large reservation in nature. Combining the carbon framework with transition metal oxide is an effective method of increasing the total conductivity of electrodes. Thus, special carbon substrate was synthesized with the aerosol assisted spray drier method using sucrose as the carbon precursor, TEOs and colloidal silica as dual templates. A hierarchical nanostructured porous carbon was achieved, in which were two types of pores with different diameters. On one hand, the large pores in this material mainly aim to establish rapid ion transfer channels, which is beneficial for the rate capability. On another, the small pores are fabricated to increase the total specific surface area, which is significant to the capacity of supercapacitors. Owing to the unique design, a specific capacitance of 412 F/g has been achieved with a good rate capability and cycling stability. A cycling test which was conducted at the current density of 1 A/g showed that 88% of initial capacitance was retained after over 4000 cycles.
Book Synopsis Handbook Of Carbon Nano Materials (In 2 Volumes) - Volume 3: Medicinal And Bio-related Applications; Volume 4: Materials And Fundamental Applications by : Karl M Kadish
Download or read book Handbook Of Carbon Nano Materials (In 2 Volumes) - Volume 3: Medicinal And Bio-related Applications; Volume 4: Materials And Fundamental Applications written by Karl M Kadish and published by World Scientific. This book was released on 2012-05-15 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt: A hands on reference guide for scientists working in the area of medicine, biology, chemistry, physics, materials science, sensor and biosensor, devices and nanotechnology. The first volume compiles topics from leading authors on medicinal and bio-related applications while the second volume covers topics ranging from materials and fundamental applications. In-depth and comprehensive coverage of topics combined with the perspectives for future research by the contributing authors. An invaluable reference source essential for both beginning and advanced researchers in the field.
Book Synopsis Development of Nanostructured Polyaniline-based Electrode Materials for High-performance Supercapacitors by : Ali Khosrozadeh
Download or read book Development of Nanostructured Polyaniline-based Electrode Materials for High-performance Supercapacitors written by Ali Khosrozadeh and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrochemical energy storage and conversion devices are among clean energy technologies that play an important role in overcoming global pollution. Supercapacitors (SCs) are an important class of energy storage devices owing to their fast charge-discharge rate, high power density, low maintenance, and long cycle life. They bridge the gap between conventional capacitors and rechargeable batteries and are most useful in applications that require a fast power boost and delivery. Polyaniline (PAni) is a promising conducting polymer with the advantages of high pseudocapacitance, environmental stability, low cost and ease of synthesis. However, there are few shortcomings that limit the practical application of PAni as an electrode material for SCs. PAni suffers from poor cycle life which considerably compromises the advantage of long cycle life of SCs over batteries. In addition, it is formidable to produce mechanically robust films from pristine PAni since it is a brittle material. To overcome the limitations of PAni, this thesis explores various approaches to construct a flexible PAni-based composite film by combining PAni with other nanomaterials. A low-cost PAni-based electrode for solid-state SCs is developed on the basis of PAni and acid-treated carbon particles. Later on, a new strategy to construct a flexible PAni-based electrode with an adjustable mass-loading of active materials is introduced. Cellulose is employed as a backbone for a composite film of PAni, reduced graphene oxide, and silver nanowires. In a similar approach, a flexible electrode for high-performance SCs is developed on basis of PAni, cellulose, graphite-based exfoliated graphite, and silver nano-particles. This strategy allows designing composite electrodes with large surface area and porosity, and adjustable energy and power densities. Another strategy to construct a flexible PAni-based electrode and address the poor cycle life of PAni is growing PAni on nanofibrous and cushiony substrates. A flexible electrode for SCs with a remarkable cycling stability is developed using electrospun polyurethane as a cushiony support for growing flower-like PAni. Moreover, a novel flexible electrode is constructed by growing PAni on graphene-coated cross-linked polyvinyl alcohol nanofibers. The as-prepared SC maintains its capacitive performance for 84k cycles of charge-discharge indicating an unprecedented cycling stability.
Book Synopsis Nanostructured Materials for Alternative Energy Devices by : James Raymond McDonough
Download or read book Nanostructured Materials for Alternative Energy Devices written by James Raymond McDonough and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy storage and generation are the biggest technological challenges of our generation. Among various devices attracting attention are supercapacitors and ultracapacitors. These devices have higher power densities than rechargeable batteries, meaning that energy can be withdrawn and inserted more quickly, but they currently have insufficiently high energy densities to become widespread within commercial applications. In addition, ultracapacitors tend to use expensive organic electrolytes while supercapacitors tend to use either scarce or expensive metal oxides, and both devices in academia tend to report results based on extremely low mass loadings of active materials (microgram scale). To enhance the commercial viability of supercapacitors and ultracapacitors as feasible complementary energy storage devices to lithium ion batteries such as during the fast time scale regenerative braking process in electric or hybrid cars, these energy density and cost issues must be addressed. In this dissertation, porous 3D metallic nickel foam is used as a high surface area catalyst and substrate for carbon nanofiber growth and ultimately enables mass loadings of carbon nanofibers one or two orders of magnitude higher (tens of milligrams per square centimeter) than in other academically demonstrated devices to enable superior top-down, per-area capacitance, energy density, and power density ultracapacitor results. A different study is also presented that demonstrates that by way of lithium ion battery charging and discharging steps, in which lithium ions are inserted and extracted during each cycle and leave porous voids behind in the host structures, nanostructures such as silicon nanowires, zinc oxide nanorods, and silver nanowires can achieve controllable, tunable porosities. This general method of tuning porosities of nanostructures should provide a novel tool for researchers to control nanostructure morphologies.
Book Synopsis Design and Synthesis of Nanostructured Materials for Flexible Lithium-Ion Battery by : Xing Lu
Download or read book Design and Synthesis of Nanostructured Materials for Flexible Lithium-Ion Battery written by Xing Lu and published by . This book was released on 2020 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, continuous progress in electronic devices, especially in wearable devices, has attracted surging attention from the consumer market. Therefore, flexible energy storage was developed to fulfill the needs of new flexible devices with ultra-lightweight and small volume. The very recent products and concepts such as touch screens, roll-up displays, wearable sensors, and even implantable medical devices have shown great potential in flexible applications because of their extreme convenience. However, the development of corresponding power sources largely lags behind these emerging technologies of flexible devices. Lithium-ion batteries (LIBs), owing to high energy density and high operating voltage, have been serving as an ideal power source for flexible devices. Nevertheless, direct implementation of commercial LIBs leads to irreversible deformation of structural integrity, short-circuiting or even severe explosion hazard. Such dilemma originates from the poor flexibility of electrode and electrolyte. For electrode side, current electrode sheets used in LIBs are manufactured by holding active material particles and conductive agents by a small weight fraction of polymeric binders. Such fragile electrode structure could easily lose electrical contact under physical deformation, leading to disintegrated electrode sheets, drastic degradations of electrochemical performance, and even safety issue due to internal short-circuiting. For electrolyte side, LIBs employ nonaqueous liquid electrolyte with high ionic conductivity and excellent electrode wettability. However, the drawbacks of such electrolyte system are also evident: poor ion selectivity, flammability, and leakage issue while being deformed render unsuitability of liquid electrolyte for flexible device application. To fabricate flexible LIBs, the current state-of-the-art research employs two design strategies involving electrode structure. One popular strategy is constructing scaffolding structure using carbonaceous materials to function as supportive matrix for active materials. Given carbon nanotubes (CNTs) as an example, the CNTs possess remarkable electrical conductivity and mechanical strength (elastic modulus: 1 TPa, tensile strength: 100 GPa), which contribute to conductive and flexible electrodes as the high-aspect ratio of CNTs can serve as threading materials. Another strategy is rational architecture design of active materials that are conventionally particulate. For example, vanadium pentoxide nanowires can be readily fabricated into free-standing and binder-free electrode membrane. Nevertheless, the most of strategies above still fall short of practicality due to reduced portion of active materials and consequently compromised energy density. In comparison with the mobile liquid electrolyte, the emerging solid-state electrolytes could largely solve circumventing issues of ion selectivity, flammability and leakage. As one prevailing category, solid polymer electrolytes comprising polymers and lithium salts feature decent manufacturing flexibility. Meanwhile, their poor ionic conductivity (10 8 ~ 10 5S cm 1) could be ameliorated by gel polymer electrolytes with organic solvents (plasticizers) and/or inorganic solid fillers (e.g., SiO2). Nevertheless, the non-conductive fillers block ion-transport pathways while allow partial electrical conduction, limiting the interfacial engineering and compatibility with electrodes. In this dissertation, we tackle the aforementioned critical issues of flexible batteries in two aspects. Firstly, we design and synthesize flexible electrode from prospective of material and architecture. A novel cathode constructed by entangling networks of V2O5, CNTs and polytetrafluoroethylene (PTFE) is design and fabricated. Notably, the resulting flexible battery simultaneously achieves excellent mechanical strength (800 MPa young's module), superior cycle durability (86% retention after 1000 times bending) and intriguing capacity (300 mAh g-1 at 0.25C). Furthermore, a Zr-based metal-organic framework (MOF) possessing open-metal sites (OMSs) was used as the microporous filler to facilitate cation (Li+) conduction in GPL. Compared with the state-of-the-art research, our work significantly enhanced tLi+ of GLP from 0.39 up to 0.66 while maintained 1.5 mS cm 1 ionic conductivity. Notably, a reduced thermal activation energy (from 113 to 76 meV) was observed, suggesting diffusion energy barriers was eased by selective promotion of Li+ conduction. To conclude, flexible Li-ion batterie system research is still at early developing stage. Above work provides rational design and improvement of the current FLIBs system in rather facile and cost-effective way. The methodology we proposed are hoped to bring further innovation toward FLIBs field and be extended to numerous applications in the future.
Book Synopsis Nanocomposite Materials for Biomedical and Energy Storage Applications by : Ashutosh Sharma
Download or read book Nanocomposite Materials for Biomedical and Energy Storage Applications written by Ashutosh Sharma and published by BoD – Books on Demand. This book was released on 2022-11-02 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanocomposite Materials for Biomedical and Energy Storage Applications presents an overview of various types of advanced nanostructured and nanocomposite materials. It discusses current research trends, problems, and applications of these nanomaterials in various biomedical, energy conversion, and storage applications. The book also gives a brief overview of advances in conducting polymers and their applications in electronic devices. Chapters address such topics as nanocomposite materials and their fabrication, nanocomposite materials for energy conversion and energy storage devices, advanced nanocomposite materials in biomedicine and health care, nanocomposites in organic light-emitting diodes and display devices, and much more.
