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Rational Design Of Graphene Based Architectures For High Performance Lithium Ion Battery Anodes
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Book Synopsis Rational Design of Graphene-based Architectures for High-performance Lithium-ion Battery Anodes by : Huan Wang
Download or read book Rational Design of Graphene-based Architectures for High-performance Lithium-ion Battery Anodes written by Huan Wang and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in synthesis and processing of nanocarbon materials, particularly graphene, have presented the opportunity to design novel Li-ion battery (LIB) anode materials that can meet the power requirements of next-generation power devices. This thesis presents three studies on electrochemical behavior of three-dimensional (3D) nanostructured anode materials formed by pure graphene sheets and graphene sheets coupled with conversion active materials (metal oxides). In the first project, a microgel-templated approach for fabrication of 3D macro/mesoporous reduced graphene oxide (RGO) anode is discussed. The mesoporous 3D structure provides a large specific surface area, while the macropores also shorten the transport length of Li ions. The second project involves the use of a novel magnetic field-induced method for fabrication of wrinkled Fe3O4@RGO anode materials. The applied magnetic field improves the interfacial contact between the anode and current collector and increases the stacking density of the active material. The magnetic field treatment facilitates the kinetics of Li ions and electrons and improves electrode durability and the surface area of the active material. In the third project, poly (methacrylic acid) (PMAA)-induced self-assembly process was used to design super-mesoporous Fe3O4@RGO anode materials and their electrochemical performance as anode materials is also investigated. To establish correlations between electrode properties (morphological and chemical) and LIB performance, a variety of techniques were used to characterize the samples. The significant improvement in LIB performance of the 3D anodes mentioned above is largely attributed to the unique properties of graphene and the resulting 3D architecture.
Book Synopsis Engineered Nano-architectures as Advanced Anode Materials for Next Generation Lithium Ion Batteries by : Fathy Mohamed Hassan
Download or read book Engineered Nano-architectures as Advanced Anode Materials for Next Generation Lithium Ion Batteries written by Fathy Mohamed Hassan and published by . This book was released on 2014 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: Li-ion batteries have a predominant market share as mobile energy storage devices, especially in consumer electronics. New concepts for electrode material designs are, however, necessary to boost their energy and power densities, and most importantly, the long term cycle stability. This will allow for these devices to gain widespread acceptance in electric vehicles, an area with immense market potential and environmental benefits. From a practical perspective, new electrode materials must be developed by simplistic, environmentally friendly and low cost processes. As a new class of electrode materials, mesoporous Sn/SnO2/Carbon composites with uniformly distributed Sn/SnO2 embedded within the carbon pore walls have been rationally designed and synthesized. These nanocomposites have been characterized by x-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), x-ray photoelectron spectroscopy (XPS), and tested as negative electrodes in a cell using lithium foil as the counter electrode. The inclusion of metallic Sn in SnO2/CMK3 resulted in a unique, ordered structure and provided a synergistic effect which resulted in an impressive initial reversible capacity of 799 mAh g-1. In addition, at a high current of 800 mAg-1, the heterogeneous structure was able to provide a stable capacity of 350 mAhg-1 and a retention capacity of ~ 670 mAh g-1 after 60 cycles. While Sn/SnO2 composites have been deemed very promising, Si materials boast improved energy storage capacities, inspiring us to investigate these materials as new anode structure. A novel one-pot synthesis for the sub-eutectic growth of (111) oriented Si nanowires on an in-situ formed nickel nanoparticle catalyst prepared from an inexpensive nickel nitrate precursor is developed. Anchoring the nickel nanoparticles to a simultaneously reduced graphene oxide support created synergy between the individual components of the c-SiNW-G composite, which greatly improved the reversible charge capacity and its retention at high current density when applied as an anode for a lithium-ion battery. The c-SiNW-G electrodes in a Li-ion battery achieved excellent high-rate performance, producing a stable reversible capacity of 550 mAh g-1 after 100 cycles at 6.8 A g-1 (78% of that at 0.1 A g-1). Thus, this process creates an important building block for a new wave of low cost silicon nanowire materials and a promising avenue for high rate Li-ion batteries. While excellent rate capability was obtained by using SiNW/graphene based material, simplifying the process may drive Si based materials to commercialization. A novel, economical flash heat treatment to fabricate silicon based electrodes is introduced to boost the performance and cycle capability of Li-ion batteries. The treatment results in a high mass fraction of Si, improved interfacial contact, synergistic SiO2/C coating and a conductive cellular network for improved electronic conductivity, as well as flexibility for stress compensation. The developed electrodes achieve first cycle efficiency of ~84% and a maximum charge capacity of 3525 mA h g-1, which is almost 84% of silicon's theoretical maximum. Furthermore, a stable reversible charge capacity of 1150 mA h g-1 at 1.2 A g-1 can be achieved over 500 cycles. Thus, the flash heat treatment method introduces a promising avenue for the production of industrially viable, next-generation Li-ion batteries. Even though we obtained a dramatic improvement to a treated electrode based on commercial silicon, we still need to boast the cycle stability and high areal capacity achieved by higher electrode loading. Thus, we report a scalable approach that relies on covalent binding commercially available Si nanoparticles (SiNP) to sulfur-doped graphene (SG) followed by shielding them with cyclized polyacrylonitrile. The covalent synergy led to improved material property that can deliver stable reversible capacity of 1033 mAh g-1 for more than 2000 cycles at a rate of 1 A g-1. The areal capacity was 3.5 mAh cm-2 at 0.1 A g-1, approaching the commercial demand. The spatial arrangement of Si after cycling reveals that it was confined in nanowires morphology. This reveals that the solid electrolyte interphase remains stable leading to superior cyclability. Our DFT calculations revealed covalent hybrid interaction between Si, S, and C leading to stable material configuration. Furthermore, the structure synergy facilitated lithium diffusion, which strongly supports our results. This simple, low cost, feasible, and safe approach provide new avenues for engineering electrode structure for enhanced performance.
Book Synopsis Rational Design of Graphene-based Materials with Enhanced Performance in Energy Storage Application by : Xuewu Ou
Download or read book Rational Design of Graphene-based Materials with Enhanced Performance in Energy Storage Application written by Xuewu Ou and published by . This book was released on 2016 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Graphene-based Composites for Electrochemical Energy Storage by : Jilei Liu
Download or read book Graphene-based Composites for Electrochemical Energy Storage written by Jilei Liu and published by Springer. This book was released on 2017-01-07 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis focuses on the synthesis and characterization of various carbon allotropes (e.g., graphene oxide/graphene, graphene foam (GF), GF/carbon nanotube (CNT) hybrids) and their composites for electrochemical energy storage applications. The coverage ranges from materials synthesis to electrochemical analysis, to state-of-the-art electrochemical energy storage devices, and demonstrates how electrochemical characterization techniques can be integrated and applied in the active materials selection and nanostructure design process. Readers will also discover the latest findings on graphene-based electrochemical energy storage devices including asymmetric supercapacitors, lithium ion batteries and flexible Ni/Fe batteries. Given the unique experimental procedures and methods, the systematic electrochemical analysis, and the creative flexible energy storage device design presented, the thesis offers a valuable reference guide for researchers and newcomers to the field of carbon-based electrochemical energy storage.
Book Synopsis Nanostructured Tin-Based Anodes for Lithium Ion Batteries with X-Ray Absorption Fine Structure Studies by : Dongniu Wang
Download or read book Nanostructured Tin-Based Anodes for Lithium Ion Batteries with X-Ray Absorption Fine Structure Studies written by Dongniu Wang and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The practical applications of lithium ion batteries are highly dependent on the choice of electrodes, where boosting the materials innovations to design and achieve high capacity, excellent cycling performance, rate capability, low-cost and safe electrode materials provide the best solution. Based on this, tin-based anodes have gained great attention due to its high theoretical capacity, low cost and nontoxic nature to environment. Nevertheless, it undergoes significant volume variation(259%)during the operation of the battery, leading to pulverization and significant capacity fade. Thus, the practical application of tin-based anodes is still quite challenging. This thesis tackles issues related to tin-based anodes. It is demonstrated that designing hierarchical nanostructured tin and tin-based carbon composites particular tin-based graphene composites are the most effective routes to achieve excellent electrochemical properties. In this thesis, we reported the rational design and fabrication of nanostructured tin-based anodes which began with the synthesis of relevant electrode materials as well as evaluation of their electrochemical performance. Further, synchrotron based X-ray absorption spectroscopy was conducted to unveil the electronic structure of these composites for better understanding of the mechanism behind the performance. Various strategies of material design have been used. These include: (i) SnO2 nanowires on conducting substrates are successfully obtained using hydrothermal process. The electronic structure and the optical properties study revealed the different crystallinity and surface/defect states related luminescence. (ii) Further we extend the research to fabricate the hierarchical tin-based graphene composites such as graphene-SnO2 nanoparticles and SnO2 nanowire/graphene/carbon composites using hydrothermal method. The hierarchical nanocomposites exhibit better performance in both high and stable capacity benefitting from the buffering effect of carbonaceous materials as well as high capacity of tin dioxide. (iii) In addition, Sn@C-graphene was obtained using chemical vapor deposition method. The core-shelled Sn@C nanoparticles are well embedded in graphene matrix with superior electrochemical performances. (iv) Refer to Sn@C nanowires on metallic substrates obtained by the same route, the high cyclic capability is achieved benefitting from the one dimensional core-shell structure. (v) Most interestingly, through surface coating of Al2O3 on SnO2 electrodes via atomic layer deposition, we found that the well defined and optimized Al2O3 layer could relieve mechanical degradation and form an artificial SEI layer, leading to improved electrochemical performances compared with bare SnO2 electrodes. The element specific X-ray absorption spectra uniquely characterize the Sn, C and O specified edge of target samples, providing the information of the cystallinity and surface/defect states, revealing the strong chemical bonding and interactions between Sn or SnO2 with graphene or carbon layer, allowing for better understanding of the performance. The study in this thesis demonstrates nanostructured tin-based anodes can be alternative high performance anodes in the next generation lithium ion batteries.
Book Synopsis Constructing three-dimensional architectures to design advanced anodes materials for sodium-ion batteries: from nanoscale to microscale by : Yu-Feng Sun
Download or read book Constructing three-dimensional architectures to design advanced anodes materials for sodium-ion batteries: from nanoscale to microscale written by Yu-Feng Sun and published by OAE Publishing Inc.. This book was released on 2024-01-03 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sodium-ion batteries (SIBs) are emerging as a possible substitute for lithium-ion batteries (LIBs) in low-cost and large-scale electrochemical energy storage systems owing to the lack of lithium resources. The properties of SIBs are correlated to the electrode materials, while the performance of electrode materials is significantly affected by the morphologies. In recent years, several kinds of anode materials involving carbon-based anodes, titanium-based anodes, conversion anodes, alloy-based anodes, and organic anodes have been systematically researched to develop high-performance SIBs. Nanostructures have huge specific surface areas and short ion diffusion pathways. However, the excessive solid electrolyte interface film and worse thermodynamic stability hinder the application of nanomaterials in SIBs. Thus, the strategies for constructing three-dimensional (3D) architectures have been developed to compensate for the flaws of nanomaterials. This review summarizes recent achievements in 3D architectures, including hollow structures, core-shell structures, yolk-shell structures, porous structures, and self-assembled nano/micro-structures, and discusses the relationship between the 3D architectures and sodium storage properties. Notably, the intention of constructing 3D architectures is to improve materials performance by integrating the benefits of various structures and components. The development of 3D architecture construction strategies will be essential to future SIB applications.
Download or read book Graphene written by Zhaoping Liu and published by CRC Press. This book was released on 2014-11-24 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: Suitable for readers from broad backgrounds, Graphene: Energy Storage and Conversion Applications describes the fundamentals and cutting-edge applications of graphene-based materials for energy storage and conversion systems. It provides an overview of recent advancements in specific energy technologies, such as lithium ion batteries, supercapacito
Book Synopsis High-Quality Carbon-based Composite Materials for High-Performance Lithium-ion Batteries by : Fan Li
Download or read book High-Quality Carbon-based Composite Materials for High-Performance Lithium-ion Batteries written by Fan Li and published by . This book was released on 2020 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the continuous increase of global population and consumption of resources, the dire need for an efficient and reliable energy system is becoming progressively prominent. The current energy system is still heavily dependent on fossil fuel, which is limited and harmful to the environment. In recent years, many countries have taken the initiative to transition into a phase where renewable and clean energy sources are gradually replacing fossil fuels and applied in various scenarios from residential buildings to power grids. However, renewable energies has their intrinsic drawbacks because of their intermittent and fluctuating nature. Consequently, it is crucial for the energy storage system to be highly capable in terms of storage capacity, instant supply, and durability. Among various energy storage systems, lithium-ion batteries have emerged as a preferable choice because of its high capacity, chemical and thermal stability, and gradually decreasing cost. In this dissertation, we developed a series of composite electrode materials for lithium-ion batteries of high performance and low cost. Carbonaceous materials have been reported to improve the battery performance to a certain extent. However, the lack of focus in the designing of the architecture of the carbon materials could limit the effect that they might bring. We thus developed an intercalation method that allows FeCl3 to be directly embedded into the graphite matrix to synthesize LFP/Graphite as a cathode material. This method significantly increased electronic and ionic conductivity through a robust and highly conductive graphite matrix, tremendously improving the performance of commercial LFP to a reversible capacity of 160 mA h g-1, a rate performance of 107 mA h g-1 at 60 C, and an outstanding cycling ability of > 95% reversible capacity retention over 2000 cycles. The intercalation method is then combined with Fe2O3 to improve the performance of graphite, which is the most prevalent material of the anode market. Graphite scaffold made via the intercalation process was able to provide a stable supporting structure to prevent structural failure due to large volumetric expansion and a highly electroconductive network. We synthesized a high-performance anode material with a specific capacity of 391 mAh/g after 350 cycles of charging/ discharging @ 500 mA/g, which improved the capacity of graphite by 50%. With rapidly growing world population and economy growth, the need for high-energy batteries with fast-charging capability is surging. Thus, it is essential to strategically combine materials so that while maintaining a high capacity and energy density, they could also exhibit an ability to accept fast charging. Graphene has been numerously studied and applied in composite materials in recent years, but its performance in terms of fast-charging has always been less than satisfactory because of both the poor quality of graphene, and the irreversible stacking of 2D structure within graphene. With this beard in mind, we designed synthesis processes for a hierarchical flower-like nitrogen-doped graphene-based LiFePO4 composite material for cathodes, and high-quality mesoporous graphene particles for high-energy and fast-charging anodes. In a hierarchical flower-like nitrogen-doped graphene-based LiFePO4 composite, we used a template-based process to obtain a CVD-grown nitrogen-doped graphene; the structure was able to withstand acid etching and subsequent charging/discharging processes, remaining at a ~100% coulombic efficiency at a high rate of 20C. In high-quality mesoporous graphene particles, we strategically combined a robust yet flexible graphene network with LFP nanoparticles that are closely packed. Followed by a microwaving process to largely increase the quality of the graphene to better provide an excellent electronic and ionic conducting network. The HNMG electrode provides a reversible capacity of 448 mA h g-1 even at a high charge-discharge rate of 60 C, 3 times the capacity of the NMG electrode (163 mA h g-1) and 70 times the capacity of the graphite electrode (6 mA h g-1). HNMG electrode also shows an excellent reversibility. Besides, due to the high tap density (0.63 g cm-3) of HNMG particles, the volumetric capacity of 334 mA h mL-1 at a high rate of 60C. These methods provided potential solutions to the current issues of electrode materials of LIBs by synthesizing a series of carbon-based composite materials with unique designs targeting the conductivity issue of high-performance materials.
Book Synopsis Handbook of Graphene, Volume 5 by : Cengiz Ozkan
Download or read book Handbook of Graphene, Volume 5 written by Cengiz Ozkan and published by John Wiley & Sons. This book was released on 2019-06-12 with total page 809 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fifth volume in a series of handbooks on graphene research and applications Graphene is a valuable nanomaterial used in technology. The Handbook of Graphene: Graphene in Energy, Healthcare, and Environmental Applications is the fifth volume in the handbook series. The book's topics include: graphene nanomaterials in energy and environment applications and graphene used as nanolubricant. Within the handbook, three-dimensional graphene materials are discussed, as are synthesis and applications in electrocatalysts and electrochemical sensors. The battery topics cover: graphene and graphene-based hybrid composites for advanced rechargeable battery electrodes; graphene-based materials for advanced lithium-ion batteries; graphene-based materials for supercapacitors and conductive additives of lithium ion batteries. The book's graphene-based sensor information addresses flexible actuators, sensors, and supercapacitors.
Book Synopsis Tailored 3D Graphene Based Materials for Energy Conversion and Storage by : Xueliu Fan
Download or read book Tailored 3D Graphene Based Materials for Energy Conversion and Storage written by Xueliu Fan and published by . This book was released on 2018 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the rapid growth of energy electronics market, search for novel nanomaterials for efficient and eco-friendly energy conversion and storage has become an important task for manufacturers. Graphene, a two-dimensional carbon nanomaterial, has been widely applied in energy area due to its unique electric, chemical and physical properties. The atomic-scale and layered structures facilitate the integration of graphene into three-dimensional structures and heterostructures, thus opening a new world for rational design. This thesis consists of five chapters. After the first introduction chapter, the second chapter describes nitrogen-doped nanoporous graphene, which was synthesized on the zeolite-Y template with a tunable nitrogen content. The N-doped nanoporous graphene exhibits promising catalyzing performance in oxygen reduction reaction and is comparable to commercial Pt/C. In the third chapter, graphene networks was fabricated on sputtering-coated Cu to form a freestanding thin film. The films can be easily transferred onto various substrates, such as PDMS and Si wafer, which can be integrated into flexible and transparent electrochemical-double-layer supercapacitors (EDLC) to offer an opportunity for fabricating the wearable devices. In the fourth chapter, a nitrogen doped graphene-CNT-graphene ordered structure is designed on the anodic aluminum oxide substrate, which, as electrodes in a double-layer supercapacitor, exhibits the high capacity and long-term stability. The completely controllable graphene-CNT-graphene structures provide a chance to achieve ordered three-dimensional graphene hybrids for the first time. Finally, in the last chapter, molybdenum disulfide decorated three-dimensional graphene heterostructure is realized. The hybrids can serve as anodes in lithium-ion battery to exhibit a high capacity, excellent rate capability, and long cycle life.
Book Synopsis Design, Fabrication and Electrochemical Performance of Nanostructured Carbon Based Materials for High-Energy Lithium–Sulfur Batteries by : Guangmin Zhou
Download or read book Design, Fabrication and Electrochemical Performance of Nanostructured Carbon Based Materials for High-Energy Lithium–Sulfur Batteries written by Guangmin Zhou and published by Springer. This book was released on 2017-02-09 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the design, fabrication and applications of carbon-based materials for lithium-sulfur (Li-S) batteries. It provides insights into the localized electrochemical transition of the “solid-solid” reaction instead of the “sulfur-polysulfides-lithium sulfides” reaction through the desolvation effect in subnanometer pores; demonstrates that the dissolution/diffusion of polysulfide anions in electrolyte can be greatly reduced by the strong binding of sulfur to the oxygen-containing groups on reduced graphene oxide; manifests that graphene foam can be used as a 3D current collector for high sulfur loading and high sulfur content cathodes; and presents the design of a unique sandwich structure with pure sulfur between two graphene membranes as a very simple but effective approach to the fabrication of Li-S batteries with ultrafast charge/discharge rates and long service lives. The book offers an invaluable resource for researchers, scientists, and engineers in the field of energy storage, providing essential insights, useful methods, and practical ideas that can be considered for the industrial production and future application of Li-S batteries.
Book Synopsis Nano Technology for Battery Recycling, Remanufacturing, and Reusing by : Siamak Farhad
Download or read book Nano Technology for Battery Recycling, Remanufacturing, and Reusing written by Siamak Farhad and published by Elsevier. This book was released on 2022-04-28 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanotechnology for Battery Recycling, Remanufacturing, and Reusing explores how nanotechnology is currently being used in battery recycling, remanufacturing and reusing technologies to make them economically and environmentally feasible. The book shows how nanotechnology can be used to enhance and improve battery recycling, remanufacturing and reusing technologies, covering the fundamentals of battery recycling, remanufacturing and reusing technologies, the role of nanotechnology, the separation, regeneration and reuse of nanomaterials from battery waste, nano-enabled approaches for battery recycling, and nano-enabled approaches for battery remanufacturing and reusing. This book will help researchers and engineers to better understand the role of nanotechnology in the field of battery recycling, remanufacturing and reusing. It will be an important reference source for materials scientists and engineers who would like to learn more about how nanotechnology is being used to create new battery recycling processes. Outlines practical and cost-efficient processes for recycling and reusing batteries Highlights the different types of nanomaterials used in battery recycling processes Assesses major challenges with integrating nanotechnology into battery manufacturing processes on an industrial scale
Book Synopsis Phosphate Based Cathodes and Reduced Graphene Oxide Composite Anodes for Energy Storage Applications by : Abdulrahman Shahul Hameed
Download or read book Phosphate Based Cathodes and Reduced Graphene Oxide Composite Anodes for Energy Storage Applications written by Abdulrahman Shahul Hameed and published by Springer. This book was released on 2016-07-30 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis outlines the investigation of various electrode materials for Li-ion battery (LIB) applications. Li-ion batteries are widely used in various portable electronic devices owing to their compactness, light weight, longer life, design flexibility and environment friendliness. This work describes the detailed synthesis and structural studies of various novel phosphate based cathode materials and reduced graphene oxide (rGO) composites as anode materials. Their electrochemical characterization as electrode for LIBs has been investigated in detail. The thesis also includes a comprehensive introduction for non-specialists in this field. The research could benefit and will appeal to scientists, especially new researchers working in the field of energy storage.
Book Synopsis Graphene-based Energy Devices by : A. Rashid bin Mohd Yusoff
Download or read book Graphene-based Energy Devices written by A. Rashid bin Mohd Yusoff and published by John Wiley & Sons. This book was released on 2015-02-03 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Functional Materials For Next-generation Rechargeable Batteries by : Jiangfeng Ni
Download or read book Functional Materials For Next-generation Rechargeable Batteries written by Jiangfeng Ni and published by World Scientific. This book was released on 2021-02-10 with total page 229 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over-consumption of fossil fuels has caused deficiency of limited resources and environmental pollution. Hence, deployment and utilization of renewable energy become an urgent need. The development of next-generation rechargeable batteries that store more energy and last longer has been significantly driven by the utilization of renewable energy.This book starts with principles and fundamentals of lithium rechargeable batteries, followed by their designs and assembly. The book then focuses on the recent progress in the development of advanced functional materials, as both cathode and anode, for next-generation rechargeable batteries such as lithium-sulfur, sodium-ion, and zinc-ion batteries. One of the special features of this book is that both inorganic electrode materials and organic materials are included to meet the requirement of high energy density and high safety of future rechargeable batteries. In addition to traditional non-aqueous rechargeable batteries, detailed information and discussion on aqueous batteries and solid-state batteries are also provided.
Book Synopsis Graphene Oxide in Enhancing Energy Storage Devices by : Fabian Ifeanyichukwu Ezema
Download or read book Graphene Oxide in Enhancing Energy Storage Devices written by Fabian Ifeanyichukwu Ezema and published by CRC Press. This book was released on 2022-12-14 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: The world is filled with electronics devices that use batteries and supercapacitors, such as laptops, cellphones, and cameras, creating the need for the efficient and effective production of good energy storage devices. The depletion of fossil fuels demands alternative sources of energy, which prompted the creation of solar cell (PV) technologies and fuel cells. The introduction of graphene oxides to these technologies help improve the performance of various energy storage and conversion devices. This book provides a broad review of graphene oxide synthesis and applications in various energy storage devices. The chapters explore various fundamental principles and the foundations of different energy conversion and storage devices with respect to their advancement due to emergence of graphene oxide, such as supercapacitors, batteries and fuel cells. This book will enable research towards improving the performance of various energy storage devices using graphene oxides and will be a valuable reference for researchers and scientists working across physics, engineering, and chemistry on different types of graphene oxide-based energy storage and conversion devices.
Book Synopsis Graphene Network Scaffolded Flexible Electrodes—From Lithium to Sodium Ion Batteries by : Dongliang Chao
Download or read book Graphene Network Scaffolded Flexible Electrodes—From Lithium to Sodium Ion Batteries written by Dongliang Chao and published by Springer. This book was released on 2018-12-11 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: Research on deformable and wearable electronics has promoted an increasing demand for next-generation power sources with high energy/power density that are low cost, lightweight, thin and flexible. One key challenge in flexible electrochemical energy storage devices is the development of reliable electrodes using open-framework materials with robust structures and high performance. Based on an exploration of 3D porous graphene as a flexible substrate, this book constructs free-standing, binder-free, 3D array electrodes for use in batteries, and demonstrates the reasons for the research transformation from Li to Na batteries. It incorporates the first principles of computational investigation and in situ XRD, Raman observations to systematically reveal the working mechanism of the electrodes and structure evolution during ion insertion/extraction. These encouraging results and proposed mechanisms may accelerate further development of high rate batteries using smart nanoengineering of the electrode materials, which make “Na ion battery could be better than Li ion battery” possible.
