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A Study Of Electrodeposited Negative Electrodes For Lithium Ion Batteries With An Emphasis On Combinatorial Electrodeposition Microform
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Author :Shane D. Beattie Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612897960 Total Pages :0 pages Book Rating :4.8/5 (979 download)
Book Synopsis A Study of Electrodeposited Negative Electrodes for Lithium-ion Batteries with an Emphasis on Combinatorial Electrodeposition [microform] by : Shane D. Beattie
Download or read book A Study of Electrodeposited Negative Electrodes for Lithium-ion Batteries with an Emphasis on Combinatorial Electrodeposition [microform] written by Shane D. Beattie and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of Electrodeposited Negative Electrodes for Lithium-ion Batteries with an Emphasis on Combinatorial Electrodeposition by : Shane D. Beattie
Download or read book A Study of Electrodeposited Negative Electrodes for Lithium-ion Batteries with an Emphasis on Combinatorial Electrodeposition written by Shane D. Beattie and published by . This book was released on 2003 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Understanding Electronic Structure and Interfaces of Positive Electrodes for Lithium Ion Batteries by : Pinar Karayaylali
Download or read book Understanding Electronic Structure and Interfaces of Positive Electrodes for Lithium Ion Batteries written by Pinar Karayaylali and published by . This book was released on 2016 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lithium ion batteries are the currently the best commercial battery in the market and they are used as energy storage devices for mobile phones, laptops, and other portable electronic devices. This is due to their balance of high energy density with high power density compared to other electrochemical energy devices. Also, these days the automotive industry wants to use lithium ion batteries to electric vehicles to reduce the pollution and independence to oil. Although lithium ion batteries are currently one of the best energy storage devices, there is still an ample room for improvement. One of the key parameters to study is electrode/electrolyte interface of electrodes. EEI on the negative electrode, also known as Solid Electrolyte Interphase (SEI) has the well-known structure with organic and inorganic compounds. Although EEI on negative electrodes is well known, it is not the case for positive electrodes. Numerous studies have been done on positive electrodes; however, there is still a need for systematic study of these interfaces on positive electrodes. This thesis is about understanding the reactivity and interactions of Li-ion battery positive electrode materials with the electrolyte. By understanding reactions at the EEI, we can develop a way to improve cycle life and safety of lithium ion batteries. To unambiguously pinpoint the electrode/electrolyte interface layers on different positive electrode materials, 100 % active materials are used as positive electrodes instead of composite electrodes.
Author :Tracy Alexandra Kerr Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612772366 Total Pages :516 pages Book Rating :4.7/5 (723 download)
Book Synopsis Synthesis, Characterization, and Electrochemical Investigation of Novel Electrode Materials for Lithium Ion Batteries [microform] by : Tracy Alexandra Kerr
Download or read book Synthesis, Characterization, and Electrochemical Investigation of Novel Electrode Materials for Lithium Ion Batteries [microform] written by Tracy Alexandra Kerr and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 2002 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Combinatorial Studies of Silicon-based Alloy Negatives for Lithium-ion Batteries by : Timothy D. Hatchard
Download or read book Combinatorial Studies of Silicon-based Alloy Negatives for Lithium-ion Batteries written by Timothy D. Hatchard and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nanostructured Niobium Oxides as Negative Electrodes for Lithium and Sodium Ion Batteries by : Pete Levi Barnes
Download or read book Nanostructured Niobium Oxides as Negative Electrodes for Lithium and Sodium Ion Batteries written by Pete Levi Barnes and published by . This book was released on 2021 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Over 30 years have passed since the commercialization of the lithium ion battery (LIB), which to date continues to present key challenges in energy/power, stability, and safety. Intense research efforts have made large strides in developing durable LIBs with high energy and power densities toward a wide range of applications from electric vehicles to large scale energy storage systems for renewable energy. Nevertheless, limited work has been done in the applications of amorphous oxide electrode materials due to the perception that amorphous materials are less electrically conductive than crystalline ones. Recent studies suggest that inducing crystallization of amorphous nanostructured oxides through electrochemical cycling can lead to materials with enhanced electrochemical charge storage performance. However, fundamental knowledge regarding the driving forces, thermodynamics, and nucleation and growth kinetics of the electrochemically-induced amorphous-to-crystalline (a-to-c) transformation remains limited. In this work we report a new nanostructured rock salt (RS) Nb2O5 electrode formed through operando electrochemical cycling of amorphous Nb2O5 with Li+."--Boise State University ScholarWorks.
Book Synopsis Highly Homogeneously Structured Lithium-ion Storage Electrodes Via Electrophoretic Deposition by : Marianna Uceda
Download or read book Highly Homogeneously Structured Lithium-ion Storage Electrodes Via Electrophoretic Deposition written by Marianna Uceda and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Improving lithium-ion battery performance is key in facilitating a green sustainable future. This has led to nanosizing of active materials as means to improve their conductivity by reducing the lithium-ion diffusion length. However, nanomaterials introduce a new challenge during the casting stage of lithium-ion battery electrode fabrication. This technique is unsuited for handling both nanosized and 2D-shaped materials as they introduce rheological challenges. Additionally, the current commercially available casting technique requires the use of a toxic and expensive organic solvent. Thus, the focus of this work was to investigate and design an alternative coating process using electrophoretic deposition (EPD). The work comprises three studies.In the first study, carbon-coated lithium titanate (LTO) nanoparticles and acetylene black were successfully made into highly-conductive composite anodes via EPD employing styrene butadiene rubber (SBR) as binder in an appropriately selected acetonitrile/water medium. The investigation characterized and optimized the effect of current density on particle movement and deposit growth producing thick mesoporous films on aluminum substrate. The EPD electrode performance was compared to electrodes prepared via the conventional tape-casting. For EPD electrodes, SEM imaging and EDS mapping showed excellent intermixing of carbon components and the active material. Via photoemission electron microscopy (PEEM) coupled with X-ray absorption near edge structure (XANES) it was revealed the SBR binder to be well dispersed within the coating, which translated to the electrode achieving superior rate cycling performance thanks to enhanced conductivity enabled by the hetero-assembling power of electrophoretic deposition.In the second study, EPD was innovatively applied to fabricate binder-less nanolayered lithium titanate and reduced graphene oxide (rGO) composite coatings as high-performance Li-ion anodes. This was accomplished by electrophoretically depositing 2D shaped lithium titanate hydrate (LTH) and graphene oxide (GO) precursors and subsequent high temperature reducing annealing to induce the topotactic transformation of LTH into LTO and GO into the so-called rGO. As graphene is difficult to successfully suspend, using the functionalized precursor circumvented this problem. The EPD electrodes are compared to conventionally prepared electrodes with rGO and carbon black. Cross-sectional imaging and EDS mapping showed the EPD electrodes contained a homogeneous coating with the rGO acting as a conductive medium and binder which helped organize the LTO nanosheets into a well built and adherent film. As a result, the EPD nanolayered electrode was found to exhibit superior electrochemical performance in terms of power capability, cyclability and impedance when compared to conventionally prepared electrode. The final study featured titanium niobate (TNO, TiNb2O7), this material is a promising replacement anode material for LTO with the potential to deliver higher capacities. Binder-less TNO/rGO electrodes were made through adapting the EPD method developed for the second study – co-depositing TNO and GO followed by high temperature annealing to induce GO to rGO transformation. The final composition of EPD coatings contained 18 wt% rGO which was compared to conventionally prepared electrodes containing 18 wt% rGO and 10 wt% rGO. The rGO was determined in addition to acting as binder and conductive component to have pseudocapacitive contributions to lithium-ion storage. The improved homogeneity in the EPD electrodes allowed better performance in terms of capacity level and retention, i.e. reduced capacity fade in comparison to PVDF-built electrodes of similar composition. Overall, through these integrated electrode construction and electrochemical performance analysis studies, EPD is shown to be a superior coating technology with great application potential in manufacturing advanced LIB electrodes"--
Book Synopsis Passivation of the Negative Electrode in Lithium-ion Batteries by : Matthijs Pepijn Van den Berg
Download or read book Passivation of the Negative Electrode in Lithium-ion Batteries written by Matthijs Pepijn Van den Berg and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Lithium-ion batteries have become the standard in rechargeable batteries for both portable electronics and electric vehicles because of their high energy and power densities. The solid-electrolyte interphase (SEI) on the negative electrode of these batteries is critical for their performance: it must allow lithium ions to pass while providing a barrier between other reducible species in the electrolyte and the highly reducing electrode, while maintaining the conduction of lithium ions necessary for battery operation. However, in commercial battery production it is often left to form adventitiously on the battery's first charge, optimizing the charging conditions rather than the chemical identity of the layer. As a result these SEIs consist of a complex mixture of organic and inorganic reduction products, a large part of which cannot fulfill the main three functions of an SEI: (1) electronic insulation, (2) impermeability to solvent and electrolyte species, and (3) lithium-ion conductivity. In this thesis it is shown that a simplified SEI primarily composed of lithium fluoride (LiF) can perform these functions, mimicking the beneficial function of an SEI. Furthermore it is shown that LiF can efficiently be deposited by the electrochemical reduction of hydrogen fluoride (HF), small quantities of which are known to be present in battery electrolytes due to hydrolysis of the electrolyte salt lithium hexafluorophosphate. The deposition of this thin layer is characterized and optimized using a simplified electrolyte chemistry on metallic electrodes. 19F-Nuclear magnetic resonance (NMR) spectroscopy is introduced as a useful tool for studying the production of HF in LiPF6-containing electrolytes. Using NMR it is shown that the hydrolysis reaction is strongly dependent on the ion pairing, and that it is greatly slowed in the absence of the lithium ion. The NMR signal for HF is studied in detail, and the expected H-F coupling is observed at low concentrations in the absence of water. A facile way to precisely control the concentration of HF in non-aqueous lithium-ion battery electrolytes containing lithium hexafluorophosphate is presented and benchmarked. The effective removal of adventitiously formed HF in these electrolytes by 3-A molecular sieves is demonstrated, which enables an HF-free LiPF6-based electrolyte for the first time. Subsequently the synthesis, drying, and quantification of anhydrous hydrogen fluoride in non-aqueous solvents was developed and characterized, yielding precise control over the concentration of HF and the following electrodeposition of LiF. Using these techniques the electrodeposition of LiF can be finely controlled. The resulting thin layer can fulfill the main functions of the SEI without excess loss of lithium, clearing the way for more efficient SEI formation in commercial lithium-ion batteries.
Book Synopsis Study of Recycled Silicon Powders and Carbon Black for Negative Electrodes of Lithium Ion Batteries and Electrochemical Characterization of Electrolytes Containing Additives by : 張朝翔
Download or read book Study of Recycled Silicon Powders and Carbon Black for Negative Electrodes of Lithium Ion Batteries and Electrochemical Characterization of Electrolytes Containing Additives written by 張朝翔 and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Surface Chemical Treatment on Silicon Negative Electrodes for Lithium-ion Batteries: an in Situ Infrared Spectroscopic Study by : Daniel Alves Dalla Corte
Download or read book Effects of Surface Chemical Treatment on Silicon Negative Electrodes for Lithium-ion Batteries: an in Situ Infrared Spectroscopic Study written by Daniel Alves Dalla Corte and published by . This book was released on 2013 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Utilization of Meniscus Brush Plating Electrodeposition for the Fabrication of Freestanding Heterogeneous Copper-tin Films for Lithium Alloying Negative Electrodes in Lithium Ion Batteries by : Kimberly Yuri Scott
Download or read book The Utilization of Meniscus Brush Plating Electrodeposition for the Fabrication of Freestanding Heterogeneous Copper-tin Films for Lithium Alloying Negative Electrodes in Lithium Ion Batteries written by Kimberly Yuri Scott and published by . This book was released on 2014 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Combinatorial Studies of Fe-Zn and Fe-Si-Zn Alloy Negative Electrodes for Li-ion Batteries by : Lauren MacEachern
Download or read book Combinatorial Studies of Fe-Zn and Fe-Si-Zn Alloy Negative Electrodes for Li-ion Batteries written by Lauren MacEachern and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lithium Ion Rechargeable Batteries by : Kazunori Ozawa
Download or read book Lithium Ion Rechargeable Batteries written by Kazunori Ozawa and published by John Wiley & Sons. This book was released on 2012-01-09 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Starting out with an introduction to the fundamentals of lithium ion batteries, this book begins by describing in detail the new materials for all four major uses as cathodes, anodes, separators, and electrolytes. It then goes on to address such critical issues as self-discharge and passivation effects, highlighting lithium ion diffusion and its profound effect on a battery's power density, life cycle and safety issues. The monograph concludes with a detailed chapter on lithium ion battery use in hybrid electric vehicles. Invaluable reading for materials scientists, electrochemists, physicists, and those working in the automobile and electrotechnical industries, as well as those working in computer hardware and the semiconductor industry.
Book Synopsis Electrochemistry of Metal Chalcogenides by : Mirtat Bouroushian
Download or read book Electrochemistry of Metal Chalcogenides written by Mirtat Bouroushian and published by Springer Science & Business Media. This book was released on 2010-04-23 with total page 365 pages. Available in PDF, EPUB and Kindle. Book excerpt: The author provides a unified account of the electrochemical material science of metal chalcogenide (MCh) compounds and alloys with regard to their synthesis, processing and applications. Starting with the chemical fundamentals of the chalcogens and their major compounds, the initial part of the book includes a systematic description of the MCh solids on the basis of the Periodic Table in terms of their structures and key properties. This is followed by a general discussion on the electrochemistry of chalcogen species, and the principles underlying the electrochemical formation of inorganic compounds/alloys. The core of the book offers an insight into available experimental results and inferences regarding the electrochemical preparation and microstructural control of conventional and novel MCh structures. It also aims to survey their photoelectrochemistry, both from a material-oriented point of view and as connected to specific processes such as photocatalysis and solar energy conversion. Finally, the book illustrates the relevance of MCh materials to various applications of electrochemical interest such as (electro)catalysis in fuel cells, energy storage with intercalation electrodes, and ion sensing.
Book Synopsis Nanocarbons for Advanced Energy Storage by : Xinliang Feng
Download or read book Nanocarbons for Advanced Energy Storage written by Xinliang Feng and published by John Wiley & Sons. This book was released on 2015-03-20 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first volume in the series on nanocarbons for advanced applications presents the latest achievements in the design, synthesis, characterization, and applications of these materials for electrochemical energy storage. The highly renowned series and volume editor, Xinliang Feng, has put together an internationally acclaimed expert team who covers nanocarbons such as carbon nanotubes, fullerenes, graphenes, and porous carbons. The first two parts focus on nanocarbon-based anode and cathode materials for lithium ion batteries, while the third part deals with carbon material-based supercapacitors with various applications in power electronics, automotive engineering and as energy storage elements in portable electric devices. This book will be indispensable for materials scientists, electrochemists, physical chemists, solid state physicists, and those working in the electrotechnical industry.
Book Synopsis Nanocarbons for Advanced Energy Conversion by : Xinliang Feng
Download or read book Nanocarbons for Advanced Energy Conversion written by Xinliang Feng and published by John Wiley & Sons. This book was released on 2015-08-11 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this second volume in the first book series on nanocarbons for advanced applications the highly renowned series and volume editor has put together a top author team of internationally acclaimed experts on carbon materials. Divided into three major parts, this reference provides a current overview of the design, synthesis, and characterization of nanocarbons, such as carbon nanotubes, fullerenes, graphenes, and porous carbons for energy conversion applications. It covers such varied topics as electrocatalysts for oxygen reduction reactions in the different types of fuel cells, metal-air batteries and electrode materials for photovoltaic devices, as well as photocatalysts, electrocatalysts and photoelectrocatalysts for water splitting. Throughout, the authors highlight the unique aspects of nanocarbon materials in these fields, with a particular focus on the physico-chemical properties which lead to enhanced device performances.
Book Synopsis Novel Aspects of Diamond by : Nianjun Yang
Download or read book Novel Aspects of Diamond written by Nianjun Yang and published by Springer. This book was released on 2019-04-02 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is in honor of the contribution of Professor Xin Jiang (Institute of Materials Engineering, University of Siegen, Germany) to diamond. The objective of this book is to familiarize readers with the scientific and engineering aspects of CVD diamond films and to provide experienced researchers, scientists, and engineers in academia and industry with the latest developments and achievements in this rapidly growing field. This 2nd edition consists of 14 chapters, providing an updated, systematic review of diamond research, ranging from its growth, and properties up to applications. The growth of single-crystalline and doped diamond films is included. The physical, chemical, and engineering properties of these films and diamond nanoparticles are discussed from theoretical and experimental aspects. The applications of various diamond films and nanoparticles in the fields of chemistry, biology, medicine, physics, and engineering are presented.
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