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Structural And Electrochemical Studies Of Positive Electrode Materials In The Li Mn Ni O System For Lithium Ion Batteries
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Book Synopsis Structural and Electrochemical Studies of Positive Electrode Materials in the Li-Mn-Ni-O System for Lithium-ion Batteries by : Aaron William Rowe
Download or read book Structural and Electrochemical Studies of Positive Electrode Materials in the Li-Mn-Ni-O System for Lithium-ion Batteries written by Aaron William Rowe and published by . This book was released on 2014 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT Cont.'d : Finally, high precision coulometry studies of one Li-deficient and two Li-rich single-phase layered compositions are discussed. These materials exhibit minimal oxidation of simple carbonate-based electrolyte when cycled to high potential, with the Li-deficient composition producing less electrolyte oxidation at 4.6 V vs. Li/Li+ than commercial Li[Ni1/3Mn1/3Co1/3]O2 at 4.2 V. The inherent inertness of this composition may make it suitable for use as a thin protective layer in a core-shell particle.
Book Synopsis Consequences of Combinatorial Studies of Positive Electrodes for Li-ion Batteries by : Eric McCalla
Download or read book Consequences of Combinatorial Studies of Positive Electrodes for Li-ion Batteries written by Eric McCalla and published by Springer Science & Business Media. This book was released on 2014-04-11 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Li-Co-Mn-Ni oxides have been of extreme interest as potential positive electrode materials for next generation Li-ion batteries. Though many promising materials have been discovered and studied extensively, much debate remains in the literature about the structures of these materials. There is no consensus as to whether the lithium-rich layered materials are single-phase or form a layered-layered composite on the few nanometer length-scales. Much of this debate came about because no phase diagrams existed to describe these systems under the synthesis conditions used to make electrode materials. Detailed in this thesis are the complete Li-Co-Mn-O and Li-Mn-Ni-O phase diagrams generated by way of the combinatorial synthesis of mg-scale samples at over five hundred compositions characterized with X-ray diffraction. Selected bulk samples were used to confirm that the findings are relevant to synthesis conditions used commercially. The results help resolve a number of points of confusion and contradiction in the literature. Amongst other important findings, the compositions and synthesis conditions giving rise to layered-layered nano-composites are presented and electrochemical results are used to show how better electrode materials can be achieved by making samples in the single phase-layered regions.
Book Synopsis STRUCTURAL AND ELECTROCHEMICAL STUDIES OF THE LI-MN-NI-O AND LI-CO-MN-O PSEUDO-TERNARY SYSTEMS. by : Eric McCalla
Download or read book STRUCTURAL AND ELECTROCHEMICAL STUDIES OF THE LI-MN-NI-O AND LI-CO-MN-O PSEUDO-TERNARY SYSTEMS. written by Eric McCalla and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electrodes for Li-ion Batteries by : Laure Monconduit
Download or read book Electrodes for Li-ion Batteries written by Laure Monconduit and published by John Wiley & Sons. This book was released on 2015-06-29 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: The electrochemical energy storage is a means to conserve electrical energy in chemical form. This form of storage benefits from the fact that these two energies share the same vector, the electron. This advantage allows us to limit the losses related to the conversion of energy from one form to another. The RS2E focuses its research on rechargeable electrochemical devices (or electrochemical storage) batteries and supercapacitors. The materials used in the electrodes are key components of lithium-ion batteries. Their nature depend battery performance in terms of mass and volume capacity, energy density, power, durability, safety, etc. This book deals with current and future positive and negative electrode materials covering aspects related to research new and better materials for future applications (related to renewable energy storage and transportation in particular), bringing light on the mechanisms of operation, aging and failure.
Book Synopsis Electrodes for Li-ion Batteries by : Laure Monconduit
Download or read book Electrodes for Li-ion Batteries written by Laure Monconduit and published by John Wiley & Sons. This book was released on 2015-06-02 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: The electrochemical energy storage is a means to conserve electrical energy in chemical form. This form of storage benefits from the fact that these two energies share the same vector, the electron. This advantage allows us to limit the losses related to the conversion of energy from one form to another. The RS2E focuses its research on rechargeable electrochemical devices (or electrochemical storage) batteries and supercapacitors. The materials used in the electrodes are key components of lithium-ion batteries. Their nature depend battery performance in terms of mass and volume capacity, energy density, power, durability, safety, etc. This book deals with current and future positive and negative electrode materials covering aspects related to research new and better materials for future applications (related to renewable energy storage and transportation in particular), bringing light on the mechanisms of operation, aging and failure.
Book Synopsis STUDY AND DEVELOPMENT OF LAYERED LI-NI-MN-CO OXIDE POSITIVE ELECTRODE MATERIALS FOR LITHIUM ION BATTERIES. by : Jing Li
Download or read book STUDY AND DEVELOPMENT OF LAYERED LI-NI-MN-CO OXIDE POSITIVE ELECTRODE MATERIALS FOR LITHIUM ION BATTERIES. written by Jing Li and published by . This book was released on 2016 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Layered Li-Ni-Mn-Co oxides (NMC) with low cobalt content are promising positive electrode materials for Li-ion batteries. However, the detailed structural properties of these materials are still debated. This thesis work, in part, focused on a systematic study of layered NMC samples to understand the dependence of electrochemical properties on structure and transition metal composition, as well as the structural evolution of layered NMC materials during lithium intercalation. The calendar and cycle lifetimes of lithium-ion cells are affected by the structural stability of active electrode materials as well as parasitic reactions between the charged electrode materials and electrolyte that occur in lithium-ion batteries. It is necessary to explore the failure mechanisms of layered NMC/graphite cells to guide future improvements. This thesis work, in part, thoroughly studied the failure mechanisms of LiNi0.8Mn0.1Co0.1O2/graphite cells from the perspectives of the bulk structural stability, surface structure reconstruction and electrolyte oxidation. Core-shell (CS) structured positive electrode materials based on layered NMC could be the next generation of positive electrode materials for high energy density lithium-ion batteries. This is because a high energy core material (Ni-rich NMC), with poor stability against the electrolyte, can be protected by a thin layer of a stable and active shell material with lower Ni and higher Mn content. A large part of this thesis focused on the development of CS materials using Li-rich and Mn-rich materials as the protecting shell for voltages above 4.5 V, and on an understanding of inter-diffusion phenomena observed during the synthesis of core-shell materials.
Download or read book Bibliography written by Pierre Villars and published by Walter de Gruyter. This book was released on 2012-12-21 with total page 1827 pages. Available in PDF, EPUB and Kindle. Book excerpt: By browsing about 10 000 000 scientific articles of over 200 major journals mainly in a 'cover to cover approach' some 200 000 publications were selected. The extracted data is part of the following fundamental material research fields: crystal structures (S), phase diagrams (also called constitution) (C) and the comprehensive field of intrinsic physical properties (P). This work has been done systematically starting with the literature going back to 1900. The above mentioned research field codes (S, C, P) as well as the chemical systems investigated in each publication were included in the present work. The aim of the Inorganic Substances Bibliography is to provide researchers with a comprehensive compilation of all up to now published scientific publications on inorganic systems in only three handy volumes.
Book Synopsis STUDIES OF Ni-RICH POSITIVE ELECTRODE MATERIALS FOR LITHIUM ION BATTERIES. by : Hongyang Li
Download or read book STUDIES OF Ni-RICH POSITIVE ELECTRODE MATERIALS FOR LITHIUM ION BATTERIES. written by Hongyang Li and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ni-rich layered Li transition metal oxides are some of the most promising positive electrode materials for Li-ion batteries due to low cost and high energy density. Increasing the Ni content is one important approach to further increase the energy density and lower the cost. However, it is conventionally believed that high Ni content brings about challenges like poor cycling stability and thermal stability. This thesis focuses on fundamental studies of Ni-rich positive electrode materials, development of novel materials with enhanced properties, and investigations of failure mechanisms. The thesis begins with a study of LiNiO2, the "grandfather" of Ni-rich positive electrode materials. The multiple phase transitions which occur as x varies in LixNiO2 (0 x 1) were thoroughly investigated by X-ray diffraction, neutron diffraction, and electrochemical measurements. Based on this work, a study on how dopants, M, affect LiNi1-xMxO2 was performed. The effects of dopants on structural, electrochemical, and thermal properties were comprehensively studied. It was concluded that Co, commonly believed to be an essential dopant in Ni-rich materials, is actually not required. The development of single crystal LiNi1-x-yMnxCoyO2 (NMC) and LiNi1-x-yCoxAlyO2 (NCA) is another focus of this thesis. Optimal synthesis conditions were developed for single crystal NMC622, and a two-step synthesis method was invented for impurity-free single crystal NCA preparation. Preliminary electrochemical studies of materials made at Dalhousie are included. The last part of this thesis presents an unavoidable challenge for Ni-rich positive electrode materials. On the basis of a large volume of data collected from Ni-rich positive electrode materials having various compositions, a failure mechanism, which relates the cycling stability to the universal structural changes of Ni-rich materials, was proposed. It is hoped that this work can effectively guide further research to overcome this unavoidable challenge.
Book Synopsis Studies on Anionic Redox in Li-Rich Cathode Materials of Li-Ion Batteries by : Biao Li
Download or read book Studies on Anionic Redox in Li-Rich Cathode Materials of Li-Ion Batteries written by Biao Li and published by Springer. This book was released on 2018-12-13 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents studies and discussions on anionic redox, which can be used to boost the capacities of cathode electrodes by providing extra electron transfer. This theoretically and practically significant book facilitates the implementation of anionic redox in electrodes for real-world use and accelerates the development of high-energy-density lithium-ion batteries. Lithium-ion batteries, as energy storage systems, are playing a more and more important role in powering modern society. However, their energy density is still limited by the low specific capacity of the cathode electrodes. Based on a profound understanding of band theory, the author has achieved considerable advances in tuning the redox process of lithium-rich electrodes to obtain enhanced electrochemical performance, identifying both the stability mechanism of anionic redox in lithium-rich cathode materials, and its activation mechanism in these electrode systems.
Book Synopsis Handbook of Solid State Chemistry, 6 Volume Set by : Richard Dronskowski
Download or read book Handbook of Solid State Chemistry, 6 Volume Set written by Richard Dronskowski and published by John Wiley & Sons. This book was released on 2017-10-23 with total page 3912 pages. Available in PDF, EPUB and Kindle. Book excerpt: This most comprehensive and unrivaled compendium in the field provides an up-to-date account of the chemistry of solids, nanoparticles and hybrid materials. Following a valuable introductory chapter reviewing important synthesis techniques, the handbook presents a series of contributions by about 150 international leading experts -- the "Who's Who" of solid state science. Clearly structured, in six volumes it collates the knowledge available on solid state chemistry, starting from the synthesis, and modern methods of structure determination. Understanding and measuring the physical properties of bulk solids and the theoretical basis of modern computational treatments of solids are given ample space, as are such modern trends as nanoparticles, surface properties and heterogeneous catalysis. Emphasis is placed throughout not only on the design and structure of solids but also on practical applications of these novel materials in real chemical situations.
Book Synopsis Electrochemical Energy by : Pei Kang Shen
Download or read book Electrochemical Energy written by Pei Kang Shen and published by CRC Press. This book was released on 2018-10-08 with total page 1051 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrochemical Energy: Advanced Materials and Technologies covers the development of advanced materials and technologies for electrochemical energy conversion and storage. The book was created by participants of the International Conference on Electrochemical Materials and Technologies for Clean Sustainable Energy (ICES-2013) held in Guangzhou, China, and incorporates select papers presented at the conference. More than 300 attendees from across the globe participated in ICES-2013 and gave presentations in six major themes: Fuel cells and hydrogen energy Lithium batteries and advanced secondary batteries Green energy for a clean environment Photo-Electrocatalysis Supercapacitors Electrochemical clean energy applications and markets Comprised of eight sections, this book includes 25 chapters featuring highlights from the conference and covering every facet of synthesis, characterization, and performance evaluation of the advanced materials for electrochemical energy. It thoroughly describes electrochemical energy conversion and storage technologies such as batteries, fuel cells, supercapacitors, hydrogen generation, and their associated materials. The book contains a number of topics that include electrochemical processes, materials, components, assembly and manufacturing, and degradation mechanisms. It also addresses challenges related to cost and performance, provides varying perspectives, and emphasizes existing and emerging solutions. The result of a conference encouraging enhanced research collaboration among members of the electrochemical energy community, Electrochemical Energy: Advanced Materials and Technologies is dedicated to the development of advanced materials and technologies for electrochemical energy conversion and storage and details the technologies, current achievements, and future directions in the field.
Book Synopsis Thermochemical and Electrochemical Investigations of Li(Ni,Mn,Co)O2 (NMC) as Positive Electrode Material for Lithium-ion Batteries by : Maryam Masoumi
Download or read book Thermochemical and Electrochemical Investigations of Li(Ni,Mn,Co)O2 (NMC) as Positive Electrode Material for Lithium-ion Batteries written by Maryam Masoumi and published by . This book was released on 2020* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Materials for Lithium-Ion Batteries by : Christian Julien
Download or read book Materials for Lithium-Ion Batteries written by Christian Julien and published by Springer Science & Business Media. This book was released on 2000-10-31 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: A lithium-ion battery comprises essentially three components: two intercalation compounds as positive and negative electrodes, separated by an ionic-electronic electrolyte. Each component is discussed in sufficient detail to give the practising engineer an understanding of the subject, providing guidance on the selection of suitable materials in actual applications. Each topic covered is written by an expert, reflecting many years of experience in research and applications. Each topic is provided with an extensive list of references, allowing easy access to further information. Readership: Research students and engineers seeking an expert review. Graduate courses in electrical drives can also be designed around the book by selecting sections for discussion. The coverage and treatment make the book indispensable for the lithium battery community.
Book Synopsis Interfaces, Phenomena, and Nanostructures in Lithium Batteries by : Albert R. Landgrebe
Download or read book Interfaces, Phenomena, and Nanostructures in Lithium Batteries written by Albert R. Landgrebe and published by The Electrochemical Society. This book was released on 2001 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Lithium-Ion Batteries by : Yuping Wu
Download or read book Lithium-Ion Batteries written by Yuping Wu and published by CRC Press. This book was released on 2015-04-24 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lithium-Ion Batteries: Fundamentals and Applications offers a comprehensive treatment of the principles, background, design, production, and use of lithium-ion batteries. Based on a solid foundation of long-term research work, this authoritative monograph:Introduces the underlying theory and history of lithium-ion batteriesDescribes the key compone
Book Synopsis Improved Positive Electrode Materials for Li-ion Batteries by : Thomas Edward Conry
Download or read book Improved Positive Electrode Materials for Li-ion Batteries written by Thomas Edward Conry and published by . This book was released on 2012 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: The introduction of the first commercially produced Li-ion battery by Sony in 1990 sparked a period of unprecedented growth in the consumer electronics industry. Now, with increasing efforts to move away from fossil-fuel-derived energy sources, a substantial amount of current research is focused on the development of an electrified transportation fleet. Unfortunately, existent battery technologies are unable to provide the necessary performance for electric vehicles (EV's) and plug-in hybrid electric vehicles (PHEV's) vehicles at a competitive cost. The cost and performance metrics of current Li-ion batteries are mainly determined by the positive electrode materials. The work here is concerned with understanding the structural and electrochemical consequences of cost-lowering mechanisms in two separate classes of Li-ion cathode materials; the LiMO2 (M = Ni, Mn, Co) layered oxides and the LiMPO4 olivine materials; with the goal of improving performance. Al-substitution for Co in LiNizMnzCo1-2zO2 ("NMC") materials not only decreases the costly Co-content, but also improves the safety aspects and, notably, enhances the cycling stability of the layered oxide electrodes. The structural and electrochemical effects of Al- substitution are investigated here in a model NMC compound, LiNi0.45Mn0.45Co0.1-yAlyO2. In addition to electrochemical measurements, various synchrotron-based characterization methods are utilized, including high-resolution X-ray diffraction (XRD), in situ X-ray diffraction, and X-ray absorption spectroscopy (XAS). Al-substitution causes a slight distortion of the as-synthesized hexagonal layered oxide lattice, lowering the inherent octahedral strain within the transition metal layer. The presence of Al also is observed to limit the structural variation of the NMC materials upon Li-deintercalation, as well as extended cycling of the electrodes. Various olivine materials, LiMPO4 (M=Fe, Co) are produced using a custom-built spray pyrolysis system. Spray pyrolysis is a simple, inexpensive, and scalable method used to produce highly uniform and phase-pure particle materials. The materials are synthesized here as porous, carbon-coated spherical particles with micron-sized diameters and nanoscale primary particles. The LiMPO4 (M=Fe, Co) olivine electrodes display exceptional electrochemical properties, in terms of high discharge capacities, rate capability, and cycling stability. The excellent performance is due to the particle morphologies that include a hierarchical pore structure and conductive carbon network throughout the particles. This allows liquid electrolyte penetration into the particle interiors, thus limiting the necessary solid-state diffusion distances, as well as efficient charge transfer and collection.
Book Synopsis Advanced Materials for Electrochemical Devices by : Hao Huang
Download or read book Advanced Materials for Electrochemical Devices written by Hao Huang and published by Elsevier. This book was released on 2023-09-19 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Materials for Electrochemical Devices discusses the electrochemical basis and application research of various advanced materials of electrochemical devices in the most fundamental perspectives of thermodynamic properties and dynamic behaviors starting from the perspective of material preparation methods. More importantly, the latest scientific research results for each kind of advanced material are also combined to further understand the nature of the materials. Finally, the prediction and evaluation of battery performances as well as the application technologies of various devices are summarized. This book is divided into four parts to comprehensively and systematically describe the related contents of energy storage materials: Preparation and Electrochemical Fundamentals of Energy Storage Materials (Part I), Electrode Materials of Electrochemical Devices (Part II), Electrolyte and Separator Materials of Electrochemical Devices (Part III), Performance Prediction and Application Technology of Electrochemical Devices (Part IV). Includes high academic level, wide coverage that is timeless Effectively promotes the development of high-performance devices and industries Provides beginners with the basic knowledge of materials science and electrochemistry, showing them the necessary experimental means for material preparation Serves as a handbook for energy storage material researchers to provide them with appropriate theoretical support and details
