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Next-generation Batteries with Sulfur Cathodes

Next-generation Batteries with Sulfur Cathodes
A Book

by Krzysztof Jan Siczek

  • Publisher : Academic Press
  • Release : 2019-03-06
  • Pages : 259
  • ISBN : 0128166126
  • Language : En, Es, Fr & De
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Next-Generation Batteries with Sulfur Cathodes provides a comprehensive review of a modern class of batteries with sulfur cathodes, particularly lithium-sulfur cathodes. The book covers recent trends, advantages and disadvantages in Li-S, Na-S, Al-S and Mg-S batteries and why these batteries are very promising for applications in hybrid and electric vehicles. Battery materials and modelling are also dealt with, as is their design, the physical phenomena existing in batteries, and a comparison of batteries between commonly used lithium-ion batteries and the new class of batteries with sulfur cathodes that are useful for devices like vehicles, wind power aggregates, computers and measurement units. Provides solutions for the recycling of batteries with sulfur cathodes Includes the effects of analysis and pro and cons of Li-S, Na-S, Al-S, Mg-S and Zn-S batteries Describes state-of-the-art technological developments and possible applications

Lithium-Sulfur Batteries

Lithium-Sulfur Batteries
A Book

by Mark Wild,Gregory J. Offer

  • Publisher : John Wiley & Sons
  • Release : 2019-01-14
  • Pages : 352
  • ISBN : 1119297907
  • Language : En, Es, Fr & De
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A guide to lithium sulfur batteries that explores their materials, electrochemical mechanisms and modelling and includes recent scientific developments Lithium Sulfur Batteries (Li-S) offers a comprehensive examination of Li-S batteries from the viewpoint of the materials used in their construction, the underlying electrochemical mechanisms and how this translates into the characteristics of Li-S batteries. The authors – noted experts in the field – outline the approaches and techniques required to model Li-S batteries. Lithium Sulfur Batteries reviews the application of Li-S batteries for commercial use and explores many broader issues including the development of battery management systems to control the unique characteristics of Li-S batteries. The authors include information onsulfur cathodes, electrolytes and other components used in making Li-S batteries and examine the role of lithium sulfide, the shuttle mechanism and its effects, and degradation mechanisms. The book contains a review of battery design and: Discusses electrochemistry of Li-S batteries and the analytical techniques used to study Li-S batteries Offers information on the application of Li-S batteries for commercial use Distills years of research on Li-S batteries into one comprehensive volume Includes contributions from many leading scientists in the field of Li-S batteries Explores the potential of Li-S batteries to power larger battery applications such as automobiles, aviation and space vehicles Written for academic researchers, industrial scientists and engineers with an interest in the research, development, manufacture and application of next generation battery technologies, Lithium Sulfur Batteries is an essential resource for accessing information on the construction and application of Li-S batteries.

Next Generation Batteries

Next Generation Batteries
Realization of High Energy Density Rechargeable Batteries

by Kiyoshi Kanamura

  • Publisher : Springer Nature
  • Release : 2021
  • Pages : 129
  • ISBN : 9813366680
  • Language : En, Es, Fr & De
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Custom-cell-component Design and Development for Rechargeable Lithium-sulfur Batteries

Custom-cell-component Design and Development for Rechargeable Lithium-sulfur Batteries
A Book

by Sheng-Heng Chung

  • Publisher : Unknown Publisher
  • Release : 2014
  • Pages : 468
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Development of alternative cathodes that have high capacity and long cycle life at an affordable cost is critical for next generation rechargeable batteries to meet the ever-increasing requirements of global energy storage market. Lithium-sulfur batteries, employing sulfur cathodes, are increasingly being investigated due to their high theoretical capacity, low cost, and environmental friendliness. However, the practicality of lithium-sulfur technology is hindered by technical obstacles, such as short shelf and cycle life, arising from the shuttling of polysulfide intermediates between the cathode and the anode as well as the poor electronic conductivity of sulfur and the discharge product Li2S. This dissertation focuses on overcoming some of these problems. The sulfur cathode involves an electrochemical conversion reaction compared to the conventional insertion-reaction cathodes. Therefore, modifications in cell-component configurations/structures are needed to realize the full potential of lithium-sulfur cells. This dissertation explores various custom and functionalized cell components that can be adapted with pure sulfur cathodes, e.g., porous current collectors in Chapter 3, interlayers in Chapter 4, sandwiched electrodes in Chapter 5, and surface-coated separators in Chapter 6. Each chapter introduces the new concept and design, followed by necessary modifications and development. The porous current collectors embedded with pure sulfur cathodes are able to contain the active material in their porous space and ensure close contact between the insulating active material and the conductive matrix. Hence, a stable and reversible electrochemical-conversion reaction is facilitated. In addition, the use of highly porous substrates allows the resulting cell to accommodate high sulfur loading. The interlayers inserted between the pure sulfur cathode and the separator effectively intercept the diffusing polysulfides, suppress polysulfide migration, localize the active material within the cathode region, and boost cell cycle stability. The combination of porous current collectors and interlayers offers sandwiched electrode structure for the lithium/dissolved polysulfide cells. By way of integrating the advantages from the porous current collector and the interlayer, the sandwiched electrodes stabilize the dissolved polysulfide catholyte within the cathode region, resulting in a high discharge capacity, long-term cycle stability, and high sulfur loading. The novel surface-coated separators have a polysulfide trap or filter coated onto one side of a commercial polymeric separator. The functional coatings possess physical and/or chemical polysulfide-trapping capabilities to intercept, absorb, and trap the dissolved polysulfides during cell discharge. The functional coatings also have high electrical conductivity and porous channels to facilitate electron, lithium-ion, and electrolyte mobility for reactivating the trapped active material. As a result, effective reutilization of the trapped active material leads to improved long-term cycle stability. The investigation of the key electrochemical and engineering parameters of these novel cell components has allowed us to make progress on (i) understanding the materials chemistry of the applied functionalized cell components and (ii) the electrochemical performance of the resulting lithium-sulfur batteries.

Carbonaceous Materials and Future Energy

Carbonaceous Materials and Future Energy
Clean and Renewable Energy Sources

by Ramendra Sundar Dey,Taniya Purkait,Navpreet Kamboj,Manisha Das

  • Publisher : CRC Press
  • Release : 2019-11-08
  • Pages : 174
  • ISBN : 1351120778
  • Language : En, Es, Fr & De
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Carbonaceous Materials and Future Energy: Clean and Renewable Energy Sources provides a systematic analysis of the emerging renewable energy alternatives to fossil fuel and their impact on the current socio-economic premise, with carbonaceous chemistry at their base. The present-day fossil fuel–dependent energy scenario is obsolete, rapidly decaying with resource constraints and sparking climate change risks like global warming; therefore, a technological revolution is needed in terms of global energy sustainability. This book is a humble attempt to recognise various contemporary as well as transpiring alternative state-of-the-art energy technologies, and the immense potential carbon materials have in changing the future face of energy. Carbon is the most earth-abundant material with an awe-inspiring range of allotropes that render wonderful properties such as tunable morphology, electrical conductivity, impressive surface area, etc., when explored in the nanoscale. Therefore, carbon has the ability to replace expensive and corrosive metals as electrodes in various existing energy technologies, especially in storage, conversion and harvesting. Carbon-based composite materials offer extensive mechanical strength, although they are super lightweight and can be placed in portable devices, yet perform for longer times with the added benefit of recyclability. This book features discussions on the ecological impacts of the existing fossil fuel–based energy technologies along with various global energy prediction indicators that dictate the integrated risk, the multi-scale changes as well as the need for sustainable alternatives. It also highlights various state-of-the-art renewable energy techniques, including solar photovoltaics, wind, geothermal, and biowaste-based energy. Most importantly, recognition is given to hybrid energy storage and conversion systems as today’s most important and sustainable source of power based on carbonaceous materials, especially their abundance, tunability, and recyclability. The author then focuses on the integration of available experimental information with future prospects for delivering real-world solutions to existing energy scarcity and helping to unravel sustainable routes with improved energy laws and policies. Features Detailed discussion about the current worldwide energy crisis at the societal scale and the gradual growth of alternative sustainable energy options Elucidation of the role of carbon in revolutionising nanoscience and its bright prospects in developing the future energy scenario with its abundance, eco-friendly nature as well as recyclability Extensive discussion of various state-of-the-art energy systems including hybrid technologies and their stages of technological maturity, commercialisation, and future prospects. Presentation of information in an accessible way for a broad audience; especially students, researchers, and scientists, working in the vast field of energy, looking for concise information about current and future energy solutions and exploring them with carbonaceous chemistry ------------------------------------------------------------------------------------------------------- This book gives an integrative overview about how the next-generation energy technology can be built upon the current and future prospects of carbonaceous chemistry. It includes extensive literature-survey analysis as well as detailed discussion of the commercialisation from the laboratory scale to realising the dream of decentralising grid-based electric supply with sustainable energy. Therefore, the book may serve as a prospective source for multi-disciplinary energy researchers searching for viable renewable energy solutions in terms of complex global sustainability, making it an essential guide and reference.

Toward High Energy and High Efficiency Secondary Lithium Batteries

Toward High Energy and High Efficiency Secondary Lithium Batteries
A Book

by Rui Xu

  • Publisher : Unknown Publisher
  • Release : 2014
  • Pages : 179
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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"Energy storage systems play an important role nowadays. Developing batteries with high energy and long cycle life has been an important research part in scientific and engineering field. Lithium ion batteries and the recent rising lithium sulfur batteries demonstrate a huge potential to be the next generation energy storage devices and being substitutes for fossil fuels in electric cars. This dissertation focuses on the development of cathode materials for lithium ion batteries with advanced electrochemical performances, and then on the design of novel lithium sulfur systems which can deliver a capacity five times as much as lithium ion batteries offer. In the first part of the dissertation, advanced cathode materials for lithium-ion batteries were investigated in the aspects of material synthesis and performance test. Li-Mn-rich composite materials have high theoretical capacities (200 - 300 mAh/g). High energy composite material 0.5Li2MnO3·0.5LiMn0.5Ni0.5O2, or written as Li1.5Ni0.25Mn0.75O2.5, was synthesized through a polymer-assisted method and a coprecipitation method in a continuous stirred tank reactor (CSTR). The as-synthesized powder using the polymer-assisted method has a primary particle size in the range of 100-300 nm, and can reach a discharge capacity of around 230 mAh/g at the current density of 5 mA/g, and 170 mAh/g at 20 mA/g. The secondary particles of the composite material synthesized through co-precipitation method were spheres with diameters of around 10 [mu]m, and has an initial capacity of 295 mAh/g. 0.5Li2MnO3·0.5LiMn1/3Ni1/3Co1/3O2 powder was synthesized via a spray pyrolysis method. The as-prepared material was spheres with a high porosity. The first discharge capacity of the material was over 300 mAh/g. High voltage spinel cathode material has a high working potential and thus can generate a high energy. LiNi0.24Mn1.76O4 was prepared through a simple solid state method and the as-prepared material was tested between 3 - 4.8 V. The material has excellent rate capabilities and cycling stabilities. Nanofiber cathode materials were successfully produced using the electrospinning method. Through controlling a series of electrospinning parameters, LiFePO4 and high voltage spinel LiNi0.5Mn1.5O4 (LMNO) nanofibers with a diameter as thin as 50 - 100 nm were fabricated followed by a subsequent heat-treating procedure. The well-separated nanofiber precursors supress LiNi0.5Mn1.5O4 particles' growth and aggregation during the heating procedure, and led to good performances of high capacities and excellent rate capabilities of the final LMNO nanofibers. At a current density of 27 mA g−1, the initial discharge capacity of the cell was 130 mAh g−1 (charge-discharge between 3.5 - 4.8 V) and 300 mAh g−1 (2.0 - 4.8 V). In the second part of the dissertation, lithium sulfur systems were investigated due to their high theoretical capacity and the use of abundant and safe sulfur cathode material. To understand the chemistry and problems within a lithium-sulfur cell, various techniques were applied to study the system including SEM, TEM, XRD, Raman spectroscopy and etc. It was identified that one of the main problems in a Li-S cell that hinders its achieving a high performance is the so-called 'shuttle reactions'. It was resulted from the dissolution of lithium polysulfides into the electrolyte and migration to the lithium anode. Another issue was the difficulty of fully discharge a sulfur cathode due to the low conductivity of reduction product, lithium sulfide. Several approaches aiming to resolve the problems were designed to improve the cell's coulombic efficiency, capacity and cycle life. The electrochemical performances of lithium sulfur batteries and electrochemistry mechanisms within the cell system were investigated in the following aspects: 1) Impact of liquid electrolytes (including carbonate-based electrolytes and ether-based electrolytes) 2) Impact of the LiNO3 additive as a shuttle inhibitor 3) Impact of the sulfur/carbon ratio in the electrode 4) Impact of different carbon forms in the electrode 5) Impact of impregnating sulfur in the carbon pores in the electrode 6) Impact of adding polysulfide adsorbents 7) Surface morphology change of the lithium anode and the sulfur cathode 8) Composition of lithium polysulfide solution and powder 9) Self-discharge phenomenon 10) Cell intermediate and interface characterization. Last but not least, we developed a novel polysulfide-based electrolyte that prevents the performance degradation inherent to Li-S batteries by self-healing. By creating a dynamic equilibrium between the dissolution and precipitation of lithium polysulfides at the sulfur/electrolyte interface, the Li-S cells were capable of delivering a superior capacity (1450 mAh/g, sulfur), which along with the high coulombic efficiency and excellent cycle life make our cells among the best performing Li-S cells. In addition, the present technology eliminates the need for complicated and costly electrode preparation. The polysulfides in the electrolyte eliminate the need for traditional lithium salts"--Pages vi-ix.

Functional Materials For Next-generation Rechargeable Batteries

Functional Materials For Next-generation Rechargeable Batteries
A Book

by Jiangfeng Ni,Li Lu

  • Publisher : World Scientific
  • Release : 2021-02-10
  • Pages : 228
  • ISBN : 9811230684
  • Language : En, Es, Fr & De
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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.

Fabrication of Metal–Organic Framework Derived Nanomaterials and Their Electrochemical Applications

Fabrication of Metal–Organic Framework Derived Nanomaterials and Their Electrochemical Applications
A Book

by Wei Xia

  • Publisher : Springer
  • Release : 2018-04-03
  • Pages : 138
  • ISBN : 9811068119
  • Language : En, Es, Fr & De
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This thesis systematically introduces readers to a new metal-organic framework approach to fabricating nanostructured materials for electrochemical applications. Based on the metal-organic framework (MOF) approach, it also demonstrates the latest ideas on how to create optimal MOF and MOF-derived nanomaterials for electrochemical reactions under controlled conditions. The thesis offers a valuable resource for researchers who want to understand electrochemical reactions at nanoscale and optimize materials from rational design to achieve enhanced electrochemical performance. It also serves as a useful reference guide to fundamental research on advanced electrochemical energy storage materials and the synthesis of nanostructured materials.

Batteries

Batteries
Present and Future Energy Storage Challenges

by Stefano Passerini,Dominic Bresser,Arianna Moretti,Alberto Varzi

  • Publisher : John Wiley & Sons
  • Release : 2020-07-24
  • Pages : 960
  • ISBN : 3527827307
  • Language : En, Es, Fr & De
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Part of the Encyclopedia of Electrochemistry, this comprehensive, two-volume handbook offers an up-to-date and in-depth review of the battery technologies in use today. It also includes information on the most likely candidates that hold the potential for further enhanced energy and power densities. It contains contributions from a renowned panel of international experts in the field. Batteries are extremely commonplace in modern day life. They provide electrochemically stored energy in the form of electricity to automobiles, aircrafts, electronic devices and to smart power grids. Comprehensive in scope, 'Batteries' covers information on well-established battery technologies such as charge-carrier-based lead acid and lithium ion batteries. The contributors also explore current developments on new technologies such as lithium-sulfur and -oxygen, sodium ion, and full organic batteries. Written for electrochemists, physical chemists, and materials scientists, 'Batteries' is an accessible compendium that offers a thorough review of the most relevant current battery technologies and explores the technology in the years to come.

Design, Fabrication and Electrochemical Performance of Nanostructured Carbon Based Materials for High-Energy Lithium–Sulfur Batteries

Design, Fabrication and Electrochemical Performance of Nanostructured Carbon Based Materials for High-Energy Lithium–Sulfur Batteries
Next-Generation High Performance Lithium–Sulfur Batteries

by Guangmin Zhou

  • Publisher : Springer
  • Release : 2017-02-09
  • Pages : 115
  • ISBN : 9811034060
  • Language : En, Es, Fr & De
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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.

Annual Reports on NMR Spectroscopy

Annual Reports on NMR Spectroscopy
A Book

by Anonim

  • Publisher : Academic Press
  • Release : 2016-01-09
  • Pages : 390
  • ISBN : 0128047577
  • Language : En, Es, Fr & De
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Annual Reports on NMR Spectroscopy provides a thorough and in-depth accounting of the progress made in nuclear magnetic resonance (NMR) spectroscopy and its many applications. Nuclear magnetic resonance (NMR) is an analytical tool used by chemists and physicists to study the structure and dynamics of molecules. In recent years, no other technique has gained as much significance as NMR spectroscopy. It is used in all branches of science in which precise structural determination is required, and in which the nature of interactions and reactions in solution is being studied. Annual Reports on NMR Spectroscopy has established itself as a premier resource for both specialists and non-specialists alike who want to become familiar with the new techniques and applications of NMR spectroscopy. Serves as the premier resource for learning the new techniques and applications of NMR spectroscopy Provides a key reference for chemists and physicists using NMR spectroscopy to study the structure and dynamics of molecules

Inorganic Battery Materials

Inorganic Battery Materials
A Book

by Hailiang Wang,Boniface P. T. Fokwa

  • Publisher : John Wiley & Sons
  • Release : 2019-08-23
  • Pages : 416
  • ISBN : 1119432022
  • Language : En, Es, Fr & De
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Inorganic Battery Materials A guide to the fundamental chemistry and recent advances of battery materials In one comprehensive volume, Inorganic Battery Materials explores the basic chemistry principles, recent advances, and the challenges and opportunities of the current and emerging technologies of battery materials. With contributions from an international panel of experts, this authoritative resource contains information on the fundamental features of battery materials, discussions on material synthesis, structural characterizations and electrochemical reactions. The book explores a wide range of topics including the state-of-the-art lithium ion battery chemistry to more energy-aggressive chemistries involving lithium metal. The authors also include a review of sulfur and oxygen, aqueous battery chemistry, redox flow battery chemistry, solid state battery chemistry and environmentally beneficial carbon dioxide battery chemistry. In the context of renewable energy utilization and transportation electrification, battery technologies have been under more extensive and intensive development than ever. This important book: Provides an understanding of the chemistry of a battery technology Explores battery technology's potential as well as the obstacles that hamper the potential from being realized Highlights new applications and points out the potential growth areas that can serve as inspirations for future research Includes an understanding of the chemistry of battery materials and how they store and convert energy Written for students and academics in the fields of energy materials, electrochemistry, solid state chemistry, inorganic materials chemistry and materials science, Inorganic Battery Materials focuses on the inorganic chemistry of battery materials associated with both current and future battery technologies to provide a unique reference in the field. About EIBC Books The Encyclopedia of Inorganic and Bioinorganic Chemistry (EIBC) was created as an online reference in 2012 by merging the Encyclopedia of Inorganic Chemistry and the Handbook of Metalloproteins. The resulting combination proves to be the defining reference work in the field of inorganic and bioinorganic chemistry, and a lot of chemistry libraries around the world have access to the online version. Many readers, however, prefer to have more concise thematic volumes in print, targeted to their specific area of interest. This feedback from EIBC readers has encouraged the Editors to plan a series of EIBC Books [formerly called EIC Books], focusing on topics of current interest. EIBC Books will appear on a regular basis, will be edited by the EIBC Editors and specialist Guest Editors, and will feature articles from leading scholars in their fields. EIBC Books aim to provide both the starting research student and the confirmed research worker with a critical distillation of the leading concepts in inorganic and bioinorganic chemistry, and provide a structured entry into the fields covered.

Approaches to Scalable, High Performance Electrodes for Next Generation Lithium-ion Batteries

Approaches to Scalable, High Performance Electrodes for Next Generation Lithium-ion Batteries
A Book

by Jingjing Liu

  • Publisher : Unknown Publisher
  • Release : 2018
  • Pages : 85
  • ISBN : 9780438897892
  • Language : En, Es, Fr & De
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Since the capacity of lithium ion battery is decided by capacities of both electrodes, next-generation cathode materials also attract lots of interests. The sulfur-based cathode has attracted extensive attention because of its high capacity of 1672 mAh g-1 and its high abundance. However, the sulfur shuttling effects and the loss of active material during lithiation hinder its commercial application. To tackle these issues, we introduced polymerized organo-sulfur units to the elemental sulfur materials. The composite with 86% sulfur content was prepared using 1,3-diethynylbenzen and sulfur particles via scalable invers vulcanization. The sulfur content in copolymer sulfur was achieved as high as 86%. Our copolymer-sulfur composite cathode showed excellent cycling performance with a capacity of 454 mAh g-1 at 0.1 C after 300 cycles. We demonstrate that the organosulfur-DEB units in the sulfur cathode serve as the 'plasticizer' to effectively prevent the polysulfide shuttling.

Graphdiyne

Graphdiyne
Fundamentals and Applications in Renewable Energy and Electronics

by Yuliang Li

  • Publisher : John Wiley & Sons
  • Release : 2021-10-05
  • Pages : 400
  • ISBN : 3527828486
  • Language : En, Es, Fr & De
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Graphdiyne Discover the most cutting-edge developments in the study of graphdiyne from a pioneer of the field In Graphdiyne: Fundamentals and Applications in Renewable Energy and Electronics, accomplished chemist Dr. Yuliang Li delivers a practical and insightful compilation of theoretical and experimental developments in the study of graphdiyne. Of interest to both academics and industrial researchers in the fields of nanoscience, organic chemistry, carbon science, and renewable energies, the book systematically summarizes recent research into the exciting new material. Discover information about the properties of graphdiyne through theoretical simulations and experimental characterizations, as well as the development of graphdiyne with appropriate preparation technology. Learn to create new graphdiyne-based materials and better understand its intrinsic properties. Find out about synthetic methodologies, the controlled growth of aggregated state structures, and structural characterization. In addition to demonstrating the interdisciplinary potential and relevance of graphdiyne, the book also offers readers: A thorough introduction to basic structure and band gap engineering, including molecular and electronic structure, mechanical properties, and the layers structure of bulk graphdiyne Explorations of Graphdiyne synthesis and characterization, including films, nanotube arrays and nanowires, nanowalls, and nanosheets, as well as characterization methods Discussions of the functionalization of graphdiyne, including heteroatom doping, metal decoration, and absorption of guest molecules Rigorous treatments of Graphdiyne-based materials in catalytic applications, including photo- and electrocatalysts Perfect for organic chemists, electronics engineers, materials scientists, and physicists, Graphdiyne: Fundamentals and Applications in Renewable Energy and Electronics will also find its place on the bookshelves of surface and solid-state chemists, electrochemists, and catalytic chemists seeking a one-stop reference on this rising-star carbon material.

One-dimensional Transition Metal Oxides and Their Analogues for Batteries

One-dimensional Transition Metal Oxides and Their Analogues for Batteries
A Book

by Huan Pang,Guangxun Zhang,Xiao Xiao,Huaiguo Xue

  • Publisher : Springer Nature
  • Release : 2020-04-27
  • Pages : 73
  • ISBN : 9811550662
  • Language : En, Es, Fr & De
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This book highlights the use of one-dimensional transition metal oxides and their analogue nanomaterials for battery applications. The respective chapters present examples of one-dimensional nanomaterials with different architectures, as well as a wide range of applications, e.g. as electrode materials for batteries. The book also addresses various means of synthesizing one-dimensional nanomaterials, e.g. electrospinning, the Kirkendall effect, Ostwald ripening, heterogeneous contraction, liquid-phase preparation, the vapor deposition approach and template-assisted synthesis. In closing, the structural design, optimization and promotion of one-dimensional transition metal oxide electrode materials are discussed. The book chiefly focuses on emerging configurable designs, including core-shell architectures, hollow architectures and other intricate architectures. In turn, the applications covered reflect essential recent advances in many modern types of battery. Accordingly, the book offers an informative and appealing resource for a wide readership in various fields of chemical science, materials and engineering.

Biochar As A Renewable-based Material: With Applications In Agriculture, The Environment And Energy

Biochar As A Renewable-based Material: With Applications In Agriculture, The Environment And Energy
A Book

by Joan J Manya,Gabriel Gasco

  • Publisher : World Scientific
  • Release : 2020-08-14
  • Pages : 224
  • ISBN : 1786348985
  • Language : En, Es, Fr & De
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Biochar and its implementation as a renewable-based material is one of the topics on which the research community has focused the greatest energy in the last twenty years. This book provides readers with a scientific and technological overview of biochar, including new technologies for biochar production, new environmental and agronomic applications (e.g. biochar as growing media component or biochar application for mine land reclamation) and some emerging biochar applications in different fields (e.g. energy storage and catalysis). A special emphasis is placed on analyzing the links between the different stages of the value chain, underpinning the economic viability of biochar systems.Biochar as a Renewable-Based Material: With Applications in Agriculture, the Environment and Energy is designed as a textbook for graduate and postgraduate courses as well as a handbook for early-stage scientists, policy makers and potential technology customers. The book is written by internationally recognized scientists with a variety of complementary backgrounds.

Synthesis of Functional Nanomaterials for Electrochemical Energy Storage

Synthesis of Functional Nanomaterials for Electrochemical Energy Storage
A Book

by Huan Pang,Xiaoyu Cao,Limin Zhu,Mingbo Zheng

  • Publisher : Springer Nature
  • Release : 2020-07-08
  • Pages : 222
  • ISBN : 9811373728
  • Language : En, Es, Fr & De
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This book provides a comprehensive review of functional nanomaterials for electrochemical applications, presenting interesting examples of nanomaterials with different dimensions and their applications in electrochemical energy storage. It also discusses the synthesis of functional nanomaterials, including quantum dots; one-dimensional, two-dimensional and three-dimensional nanostructures; and advanced nanocomposites. Highlighting recent advances in current electrochemical energy storage hotpots: lithium batteries, lithium-ion batteries, sodium-ion batteries, other metal-ion batteries, halogen ion batteries, and metal–gas batteries, this book will appeal to readers in the various fields of chemistry, material science and engineering.

Advanced High-sulfur-loading, Highly-reversible Cathode Design for Lithium-sulfur Batteries

Advanced High-sulfur-loading, Highly-reversible Cathode Design for Lithium-sulfur Batteries
A Book

by Pauline Han

  • Publisher : Unknown Publisher
  • Release : 2018
  • Pages : 270
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Lithium-sulfur (Li-S) batteries are largely regarded as the next-generation energy storage system due to their high theoretical energy density. Sulfur itself is benign and is in high abundance due to it being a byproduct of the petrochemical industry. The basis of the high energy density is the redox conversion chemistry where intermediate polysulfide (LiPS) species (Li2Sn, 4 ≤ n ≤ 8) are formed, but they readily dissolve in the etherbased electrolytes, causing rapid capacity fade. Furthermore, the practical viability is dependent on the loading of the active material, which is currently limited mostly to

High Capacity Cathode Materials for Next Generation Energy Storage

High Capacity Cathode Materials for Next Generation Energy Storage
A Book

by Benjamin John Papandrea

  • Publisher : Unknown Publisher
  • Release : 2017
  • Pages : 103
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Energy storage devices are of increasing importance for applications in mobile electronics, hybrid electric vehicles, and can also play a critical role in renewable energy harvesting, conversion and storage. Since its commercial inception in the 1990's, the lithium-ion battery represents the dominant energy storage technology for mobile power supply today. However, the total capacity of lithium-ion batteries is largely limited by the theoretical capacities of the cathode materials such as LiCoO2 (272 mAh g-1), and LiFePO4 (170 mAh g-1), and cannot satisfy the increasing consumer demand, thus new cathode materials with higher capacities must be explored. Two of the most promising cathode materials with significantly larger theoretical capacities are sulfur (1675 mAh g-1) and air, specifically the oxygen (3840 mAh g-1). However, the usage of either of these cathodic materials is plagued with numerous issues that must be overcome before their commercialization. In the first part of my dissertation, we investigated the usage of a three-dimensional graphene membrane for a high energy density lithium-air (Li-Air) battery in ambient condition. One of the issues with Li-Air batteries is the many side reaction that can occur during discharge in ambient condition, especially with water vapor. Using a hydrophobic tortuous three-dimensional graphene membrane we are able to inhibit the diffusion of water vapor and create a lithium-air battery that cycles over 2000 times with a capacity limited at 140 mAh g-1, over 100 cycles with a capacity limited at 1425 mAh g-1, and over 20 cycles at the high capacity of 5700 mAh g-1. In the second part of my dissertation, we investigate the usage of a three-dimensional graphene aerogel to maximize the loading of sulfur to create a freestanding electrode with high capacity for a lithium-sulfur (Li-S) battery. We demonstrated that our three-dimensional graphene aerogel could sustain a loading of 95% by weight, and we achieved a capacity of 969 mAh g-1 normalized by the entire electrode with a 90% sulfur loading. In the third and final part of my dissertation, we investigate the usage of catalysts for both Li-Air, and Li-S batteries. We demonstrate how different noble metal configurations are optimal for Li-Air batteries, showcase how different metals effect the sulfur reduction reaction, and how both Pt and Mn increase the capacity of Li-S battery by interacting with the sulfur redox reactions intermediate species.

Exploring the Li-S System for Next-generation Batteries

Exploring the Li-S System for Next-generation Batteries
A Book

by David Sichen Wu

  • Publisher : Unknown Publisher
  • Release : 2021
  • Pages : 129
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Lithium-sulfur (Li-S) batteries have a high theoretical energy density of ~2500 Wh/kg (vs. ~400 Wh/kg of Li-ion batteries) and are promising candidates for meeting future energy storage demands. However, the practical applications of Li-S batteries have been severely hindered by its poor cycling life and stability. In the first part of my thesis, I will discuss the lithium polysulfide dissolution problem, which is a major problem plaguing Li-S batteries causing fast capacity degradation and poor cycle life. Upon establishing a standard procedure to quantitatively compare the polysulfide adsorption capability of candidate materials, a useful strategy is developed to screen materials and allow for rational design of long cycle life Li-S batteries. In the second part, I will further explore the Li-S system via a novel battery scheme by utilizing a P/C nanocomposite anode and pairing it with a Li2S coated carbon nanofiber cathode. It is discovered that the red P anode can be compatible in ether-based electrolyte systems and can be successfully coupled to a Li2S cathode. The new design concept full-cell displays remarkable specific capacity, rate and cycling performances. In the final part, I will present a characterization method via rotating disk electrode to further study the Li-S system. This method can be generally applied to various sulfur species, current collectors and electrolyte systems to provide additional insight towards achieving superior rechargeable batteries that can eventually replace Li-ion batteries.