A Low Concentration Sulfone Electrolyte Enables High Voltage Chemistry Of Lithium Ion Batteries
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| Author | : Ling Lv |
| Publisher | : OAE Publishing Inc. |
| Total Pages | : 13 |
| Release | : 2022-08-25 |
| Genre | : Science |
| ISBN | : |
Commercial carbonate electrolytes with poor oxidation stability and high flammability limit the operating voltage of Li-ion batteries (LIBs) to ~4.3 V. As one of the most promising candidates for electrolyte solvents, sulfolane (SL) has received significant interest because of its wide electrochemical window, low flammability and high dielectric permittivity. Unfortunately, SL-based electrolytes with normal concentrations cannot achieve highly reversible Li+ intercalation/deintercalation in graphite anodes due to an ineffective solid electrolyte interface, thus undermining their potential application in LIBs. Here, a low-concentration SL-based electrolyte (LSLE) is developed for high-voltage graphite||LiNi0.8Co0.1Mn0.1O2 (NCM811) full cells. A highly reversible graphite anode can be achieved through the preferential decomposition of the dual-salt LiDFOB-LiBF4 in the LSLE. The addition of fluorobenzene further restrains the decomposition of SL, endowing uniform, robust and inorganic-rich interphases on the electrode surfaces. As a result, the LSLE with improved thermal stability can support the MCMB||NCM811 full cells at 4.4 V, evidenced by an excellent cycling performance with capacity retentions of 83% after 500 cycles at 25 ℃ and 82% after 400 cycles at 60 ℃. We believe that the design of this fluorobenzene-containing LSLE offers an effective routine for next-generation low-cost and safe electrolytes for high-voltage LIBs.
| Author | : T. Richard Jow |
| Publisher | : Springer |
| Total Pages | : 488 |
| Release | : 2014-05-06 |
| Genre | : Technology & Engineering |
| ISBN | : 1493903020 |
Electrolytes for Lithium and Lithium-ion Batteries provides a comprehensive overview of the scientific understanding and technological development of electrolyte materials in the last several years. This book covers key electrolytes such as LiPF6 salt in mixed-carbonate solvents with additives for the state-of-the-art Li-ion batteries as well as new electrolyte materials developed recently that lay the foundation for future advances. This book also reviews the characterization of electrolyte materials for their transport properties, structures, phase relationships, stabilities, and impurities. The book discusses in-depth the electrode-electrolyte interactions and interphasial chemistries that are key for the successful use of the electrolyte in practical devices. The Quantum Mechanical and Molecular Dynamical calculations that has proved to be so powerful in understanding and predicating behavior and properties of materials is also reviewed in this book. Electrolytes for Lithium and Lithium-ion Batteries is ideal for electrochemists, engineers, researchers interested in energy science and technology, material scientists, and physicists working on energy.
| Author | : Chunwen Sun |
| Publisher | : John Wiley & Sons |
| Total Pages | : 672 |
| Release | : 2019-03-26 |
| Genre | : Technology & Engineering |
| ISBN | : 1119407664 |
This book details the latest R&D in electrochemical energy storage technologies for portable electronics and electric vehicle applications. During the past three decades, great progress has been made in R & D of various batteries in terms of energy density increase and cost reduction. One of the biggest challenges is increasing the energy density to achieve longer endurance time. In this book, recent research and development in advanced electrode materials for electrochemical energy storage devices is covered. Topics covered in this important book include: Carbon anode materials for sodium-ion batteries Lithium titanate-based lithium-ion batteries Rational material design and performance optimization of transition metal oxide-based lithium ion battery anodes Effects of graphene on the electrochemical properties of the electrode of lithium ion batteries Silicon-based lithium-ion battery anodes Mo-based anode materials for alkali metal ion batteries Lithium-sulfur batteries Graphene in Lithium-Ion/Lithium-Sulfur Batteries Graphene-ionic liquid supercapacitors Battery electrodes based on carbon species and conducting polymers Doped graphene for electrochemical energy storage systems Processing of graphene oxide for enhanced electrical properties
| Author | : Kosuke Izutsu |
| Publisher | : John Wiley & Sons |
| Total Pages | : 432 |
| Release | : 2009-09-22 |
| Genre | : Science |
| ISBN | : 9783527629169 |
An excellent resource for all graduate students and researchers using electrochemical techniques. After introducing the reader to the fundamentals, the book focuses on the latest developments in the techniques and applications in this field. This second edition contains new material on environmentally-friendly solvents, such as room-temperature ionic liquids.
| Author | : Ji-Guang Zhang |
| Publisher | : Springer |
| Total Pages | : 206 |
| Release | : 2016-10-06 |
| Genre | : Technology & Engineering |
| ISBN | : 3319440543 |
This book provides comprehensive coverage of Lithium (Li) metal anodes for rechargeable batteries. Li is an ideal anode material for rechargeable batteries due to its extremely high theoretical specific capacity (3860 mAh g-1), low density (0.59 g cm-3), and the lowest negative electrochemical potential (−3.040 V vs. standard hydrogenelectrodes). Unfortunately, uncontrollable dendritic Li growth and limited Coulombic efficiency during Li deposition/stripping inherent in these batteries have prevented their practical applications over the past 40 years. With the emergence of post Liion batteries, safe and efficient operation of Li metal anodes has become an enabling technology which may determine the fate of several promising candidates for the next generation energy storage systems, including rechargeable Li-air batteries, Li-S batteries, and Li metal batteries which utilize intercalation compounds as cathodes. In this work, various factors that affect the morphology and Coulombic efficiency of Li anodes are analyzed. The authors also present the technologies utilized to characterize the morphology of Li deposition and the results obtained by modeling of Li dendrite growth. Finally, recent developments, especially the new approaches that enable safe and efficient operation of Li metal anodes at high current densities are reviewed. The urgent need and perspectives in this field are also discussed. The fundamental understanding and approaches presented in this work will be critical for the applicationof Li metal anodes. The general principles and approaches can also be used in other metal electrodes and general electrochemical deposition of metal films.
| Author | : Qingfeng Li |
| Publisher | : Springer |
| Total Pages | : 561 |
| Release | : 2015-10-15 |
| Genre | : Technology & Engineering |
| ISBN | : 3319170821 |
This book is a comprehensive review of high-temperature polymer electrolyte membrane fuel cells (PEMFCs). PEMFCs are the preferred fuel cells for a variety of applications such as automobiles, cogeneration of heat and power units, emergency power and portable electronics. The first 5 chapters of the book describe rationalization and illustration of approaches to high temperature PEM systems. Chapters 6 - 13 are devoted to fabrication, optimization and characterization of phosphoric acid-doped polybenzimidazole membranes, the very first electrolyte system that has demonstrated the concept of and motivated extensive research activity in the field. The last 11 chapters summarize the state-of-the-art of technological development of high temperature-PEMFCs based on acid doped PBI membranes including catalysts, electrodes, MEAs, bipolar plates, modelling, stacking, diagnostics and applications.
| Author | : Futoshi Matsumoto |
| Publisher | : Springer Nature |
| Total Pages | : 72 |
| Release | : 2022-01-04 |
| Genre | : Technology & Engineering |
| ISBN | : 9811687862 |
This book reviews the impact of water content in lithium-ion batteries (LIBs) as well as the reactivity of anodes, cathodes and electrolytes with water and processes that provide water-resistance to materials in LIBs. Water in LIBs which were constructed with anode, cathode and organic electrolyte containing lithium salts can degrade the cell performance and seriously damage the materials present. However, because a small amount of water in cells contributes to the formation of the solid electrolyte interphase, complete removal of water from cells lowers the battery performance and increases costs due to removal of water from the battery materials. This book presents the optimal concentration of water for each battery material along with appropriate removal methods and water-scavengers which were developed recently to establish both high performance and lower costs. Moreover this book describes the development of anodes and cathodes prepared by aqueous process and aqueous LIBs in which aqueous electrolytes containing lithium salts are used as an electrolyte. This book will be useful not only for academic researchers but also for company researchers who deal with LIBs.
| Author | : Rezan Demir-cakan |
| Publisher | : #N/A |
| Total Pages | : 370 |
| Release | : 2017-06-09 |
| Genre | : Science |
| ISBN | : 1786342510 |
'This book provides an excellent review and analysis of the latest information on rechargeable Li-S battery research. With a clear and concise writing style and in-depth technical material , this book will appeal to undergraduates and graduates, researchers, chemists, material scientists, and physicists working in the field of energy storage, especially those with an interest in Li-S battery technology.'IEEE Electrical Insulation MagazineLithium-sulfur (Li-S) batteries give us an alternative to the more prevalent lithium-ion (Li-ion) versions, and are known for their observed high energy densities. Systems using Li-S batteries are in early stages of development and commercialization however could potentially provide higher, safer levels of energy at significantly lower cost.In this book the history, scientific background, challenges and future perspectives of the lithium-sulfur system are presented by experts in the field. Focus is on past and recent advances of each cell compartment responsible for the performance of the Li-S battery, and includes analysis of characterization tools, new designs and computational modeling. As a comprehensive review of current state-of-play, it is ideal for undergraduates, graduate students, researchers, physicists, chemists and materials scientists interested in energy storage, material science and electrochemistry.
| Author | : Lloyd L Lee |
| Publisher | : World Scientific |
| Total Pages | : 295 |
| Release | : 2021-01-07 |
| Genre | : Technology & Engineering |
| ISBN | : 9811233012 |
Electrolytes and salt solutions are ubiquitous in chemical industry, biology and nature. This unique compendium introduces the elements of the solution properties of ionic mixtures. In addition, it also serves as a bridge to the modern researches into the molecular aspects of uniform and non-uniform charged systems. Notable subjects include the Debye-Hückel limit, Pitzer's formulation, Setchenov salting-out, and McMillan-Mayer scale. Two new chapters on industrial applications — natural gas treating, and absorption refrigeration, are added to make the book current and relevant.This textbook is eminently suitable for undergraduate and graduate students. For practicing engineers without a background in salt solutions, this introductory volume can also be used as a self-study.
| Author | : James R. Akridge |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 439 |
| Release | : 2013-06-29 |
| Genre | : Science |
| ISBN | : 1489922636 |
This Advanced Study Institute on the topic of SOLID STATE MICROBATTERIES is the third and final institute on the general theme of a field of study now termed "SOLID STATE IONICS". The institute was held in Erice, Sicily, Italy, 3 - 15 July 1988. The objective was to assemble in one location individuals from industry and academia expert in the fields of microelectronics and solid state ionics to determine the feasibility of merging a solid state microbattery with microelectronic memory. Solid electrolytes are in principle amenable to vapor deposition, RF or DC sputtering, and other techniques used to fabricate microelectronic components. A solid state microbattery 1 1 mated on the same chip carrier as the chip can provide on board memory backup power. A solid state microbattery assembled from properly selected anode/solid electrolyte/cathode materials could have environmental endurance properties equal or superior to semiconductor memory chips. Lectures covering microelectronics, present state-of-art solid state batteries, new solid electrolyte cathode materials, theoretical and practical techniques for fabrication of new solid electrolytes, and analytical techniques for study of solid electrolytes were covered. Several areas where effort is required for further understanding of materials in pure form and their interactions with other materials at interfacial contact points were identified. Cathode materials for solid state batteries is one particular research area which requires attention. Another is a microscopic model of conduction in vitreous solid electrolytes to enhance the thermodynamic macroscopic Weak ~lectrolyte Iheory (WET).
