Degradation Of Lithium Ion Battery Electrolytes
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Degradation Of Lithium Ion Battery Electrolytes
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Author : Simon Wiemers-Meyer
language : en
Publisher:
Release Date : 2017
Degradation Of Lithium Ion Battery Electrolytes written by Simon Wiemers-Meyer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.
Designing Electrolytes For Lithium Ion And Post Lithium Batteries
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Author : Władysław Wieczorek
language : en
Publisher: CRC Press
Release Date : 2021-06-23
Designing Electrolytes For Lithium Ion And Post Lithium Batteries written by Władysław Wieczorek and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-23 with Technology & Engineering categories.
Every electrochemical source of electric current is composed of two electrodes with an electrolyte in between. Since storage capacity depends predominantly on the composition and design of the electrodes, most research and development efforts have been focused on them. Considerably less attention has been paid to the electrolyte, a battery’s basic component. This book fills this gap and shines more light on the role of electrolytes in modern batteries. Today, limitations in lithium-ion batteries result from non-optimal properties of commercial electrolytes as well as scientific and engineering challenges related to novel electrolytes for improved lithium-ion as well as future post-lithium batteries.
Water In Lithium Ion Batteries
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Author : Futoshi Matsumoto
language : en
Publisher: Springer Nature
Release Date : 2022-01-04
Water In Lithium Ion Batteries written by Futoshi Matsumoto and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-01-04 with Technology & Engineering categories.
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.
Non Aqueous Electrolytes For Lithium Batteries
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Author : T. R. Jow
language : en
Publisher: The Electrochemical Society
Release Date : 2009-05
Non Aqueous Electrolytes For Lithium Batteries written by T. R. Jow and has been published by The Electrochemical Society this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-05 with Science categories.
The electrolyte plays a vital role for the performance of rechargeable lithium batteries with a Li metal anode as well as Li-ion batteries. A better understanding of the elementary processes involved in the formation of the electrolyte/electrode interface and charge transfer kinetics in relation to solvent, salt, additive, and electrode material is crucial to the further optimization of Li and Li-ion batteries. This issue will focus on both the fundamental and applied aspects of the electrolyte for Li and Li-ion batteries. Topics include theoretical and experimental studies of structure/property relationships of electrolytes; development of new salts, solvents and additives; development of electrolytes for 5 V Li and Li-ion batteries; studies and approaches leading to the understanding of electrode/electrolyte interfacial phenomena and the charge transfer processes; electrolytes with enhanced non-flammability; electrolytes for wide temperature range operations; and cell performance improvement with respect to that of electrolyte materials.
Understanding And Mitigating Degradation In Li Ion Batteries
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Author : Eric Logan
language : en
Publisher:
Release Date : 2022
Understanding And Mitigating Degradation In Li Ion Batteries written by Eric Logan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.
The market for Li-ion batteries has seen unprescedented growth in recent years due to the adoption of electric vehicles (EVs) and growth of grid-level energy storage. For these applications to be sustainable, inexpensive and long-lasting Li-ion batteries are required. This thesis considers LiFePO4 (LFP) as a positive electrode material for use in long-lifetime Li-ion batteries. Already a commercially used material, LFP is seeing a renewed interest in many applications due to the cost and relative scarcity of commonly used transition metals in Li-ion batteries, Ni and Co. Initial studies of LFP/graphite cells considered the impact of water contamination and different electrolyte additives on lifetime, and an optimal electrolyte composition was determined. Isothermal microcalorimetry techniques were used to rank the lifetime of cells with different electrolyte additives. Next, different approaches were taken to improve the lifetime of LFP/graphite cells, including considering the surface area of LFP, different Li salts in the electrolyte, and different graphite materials. Combining the results of these studies led to an LFP cell with greatly improved capacity retention. Isothermal microcalorimetry techniques were developed to observe parasitic reactions separately at the positive and negative electrodes, and to infer the degree of "cross-talk" reactions in the cell. Finally, the storage performance, gas evolution, and parasitic heat flow for Li-ion cells with different positive electrodes, negative electrodes, and electrolytes were studied. The results of these experiments highlighted the complex interactions that occur between different components of the cell. In LFP cells, capacity loss was correlated with the reactivity of the negative electrode. The results presented in this thesis demonstrate significant lifetime improvements for LFP/graphite cells by targeting different cell components. Additional insights into the role of parasitic reactions on the lifetime of Li-ion cells have been developed. This work should contribute to the future development of Li-ion cells with extremely long lifetimes.
High Energy Density Lithium Batteries
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Author : Katerina E. Aifantis
language : en
Publisher: John Wiley & Sons
Release Date : 2010-03-30
High Energy Density Lithium Batteries written by Katerina E. Aifantis and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-03-30 with Technology & Engineering categories.
Materials Engineering for High Density Energy Storage provides first-hand knowledge about the design of safe and powerful batteries and the methods and approaches for enhancing the performance of next-generation batteries. The book explores how the innovative approaches currently employed, including thin films, nanoparticles and nanocomposites, are paving new ways to performance improvement. The topic's tremendous application potential will appeal to a broad audience, including materials scientists, physicists, electrochemists, libraries, and graduate students.
Deep Understanding Of Degradation In Lithium Ion Batteries Through Experimental And First Principles Study
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Author : Yufang He
language : en
Publisher:
Release Date : 2019
Deep Understanding Of Degradation In Lithium Ion Batteries Through Experimental And First Principles Study written by Yufang He and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
"The growing interests in Lithium-ion Batteries (LIBs) have significantly accelerated the development of active materials. However, the key challenge is that electrode materials suffer from degradation, which include transition metal dissolution, solid electrolyte interphase (SEI) layer formation, and mechanical fracture. To address these issues, applying an ultrathin coating onto active materials via Atomic Layer Deposition (ALD) is an efficient way. Although numerious works have been done for active material performance improvement via ALD technology, the fundamental enhancement mechanisms of ALD coating on battery performance improvement are not yet known. Therefore, this dissertation consists of four papers, which focused on the ALD coating impact on Li intercalation, metal dissolution, Li ion diffusivity and interfacial property of SEI layer via first-principles study. Paper I explained why CeO2 coating has better performance than Al2O3 coating material via faster Li diffusion, facile intercalation, and less mechanical damage of coating. Paper II discovered an unexpected metal dissolution that ultrathin CeO2 coating intensifies the Mn dissolution of LMO and it was confirmed in several ways, including ICP-OES measurement, Mn vacancy formation energy calculation, COOP analysis, PDOS analysis, and cell level performance. Paper III revealed that the ALD CeO2 coating thickness impact on Li ion diffusivity in coated LMO is related to surface and bulk diffusion domination and phase transition of coating layers. Paper IV demonstrated that the fracture strength of inorganic components of SEI layer was higher than organic component, implying that the inorganic-organic interface can effectively block electron transport from electrolyte to anode particles to prevent futher oxidation of active materials"--Abstract, page iv.
Lithium Batteries And Other Electrochemical Storage Systems
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Author : Christian Glaize
language : en
Publisher: John Wiley & Sons
Release Date : 2013-07-24
Lithium Batteries And Other Electrochemical Storage Systems written by Christian Glaize and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-24 with Technology & Engineering categories.
Lithium batteries were introduced relatively recently in comparison to lead- or nickel-based batteries, which have been around for over 100 years. Nevertheless, in the space of 20 years, they have acquired a considerable market share – particularly for the supply of mobile devices. We are still a long way from exhausting the possibilities that they offer. Numerous projects will undoubtedly further improve their performances in the years to come. For large-scale storage systems, other types of batteries are also worthy of consideration: hot batteries and redox flow systems, for example. This book begins by showing the diversity of applications for secondary batteries and the main characteristics required of them in terms of storage. After a chapter presenting the definitions and measuring methods used in the world of electrochemical storage, and another that gives examples of the applications of batteries, the remainder of this book is given over to describing the batteries developed recently (end of the 20th Century) which are now being commercialized, as well as those with a bright future. The authors also touch upon the increasingly rapid evolution of the technologies, particularly regarding lithium batteries, for which the avenues of research are extremely varied. Contents Part 1. Storage Requirements Characteristics of Secondary Batteries Examples of Use 1. Breakdown of Storage Requirements. 2. Definitions and Measuring Methods. 3. Practical Examples Using Electrochemical Storage. Part 2. Lithium Batteries 4. Introduction to Lithium Batteries. 5. The Basic Elements in Lithium-ion Batteries: Electrodes, Electrolytes and Collectors. 6. Usual Lithium-ion Batteries. 7. Present and Future Developments Regarding Lithium-ion Batteries. 8. Lithium-Metal Polymer Batteries. 9. Lithium-Sulfur Batteries. 10. Lithium-Air Batteries. 11. Lithium Resources. Part 3. Other Types of Batteries 12. Other Types of Batteries. About the Authors Christian Glaize is Professor at the University of Montpellier, France. He is also Researcher in the Materials and Energy Group (GEM) of the Institute for Electronics (IES), France. Sylvie Geniès is a project manager at the French Alternative Energies and Atomic Energy Commission (Commissariat à l’Energie Atomique et aux Energies Alternatives) in Grenoble, France.
Novel Electrolyte Solvents And Additives For Lithium Ion Batteries And Different Materials Degradation Phenomena
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Author : Rebecca Juliane Bernhard
language : en
Publisher:
Release Date : 2014
Novel Electrolyte Solvents And Additives For Lithium Ion Batteries And Different Materials Degradation Phenomena written by Rebecca Juliane Bernhard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Studies On The Thermal Breakdown Of Common Li Ion Battery Electrolyte Components
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Author :
language : en
Publisher:
Release Date : 2015
Studies On The Thermal Breakdown Of Common Li Ion Battery Electrolyte Components written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
While much attention is paid to the impact of the active materials on the catastrophic failure of lithium ion batteries, much of the severity of a battery failure is also governed by the electrolytes used, which are typically flammable themselves and can decompose during battery failure. The use of LiPF6 salt can be problematic as well, not only catalyzing electrolyte decomposition, but also providing a mechanism for HF production. This work evaluates the safety performance of the common components ethylene carbonate (EC), diethyl carbonate (DEC), dimethyl carbonate (DMC), and ethyl methyl carbonate (EMC) in the context of the gasses produced during thermal decomposition, looking at both the quantity and composition of the vapor produced. EC and DEC were found to be the largest contributors to gas production, both producing upwards of 1.5 moles of gas/mole of electrolyte. DMC was found to be relatively stable, producing very little gas regardless of the presence of LiPF6. EMC was stable on its own, but the addition of LiPF6 catalyzed decomposition of the solvent. As a result, while gas analysis did not show evidence of significant quantities of any acutely toxic materials, the gasses themselves all contained enough flammable components to potentially ignite in air.