Synthesis And Characterization Of Lini0 6mn0 35co0 05o2 And Li2fesio4 C As Electrodes For Rechargeable Lithium Ion Battery

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Synthesis and Characterization of Lini0.6mn0.35co0.05o2 and Li2fesio4/C as Electrodes for Rechargeable Lithium Ion Battery

Author : Pengda Hong
Publisher : Open Dissertation Press
ISBN 13 : 9781361297995
Total Pages : pages
Book Rating : 4.2/5 (979 download)

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Book Synopsis Synthesis and Characterization of Lini0.6mn0.35co0.05o2 and Li2fesio4/C as Electrodes for Rechargeable Lithium Ion Battery by : Pengda Hong

Download or read book Synthesis and Characterization of Lini0.6mn0.35co0.05o2 and Li2fesio4/C as Electrodes for Rechargeable Lithium Ion Battery written by Pengda Hong and published by Open Dissertation Press. This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Synthesis and characterization of LiNi0.6Mn0.35Co0.05O2 and Li2FeSiO4/C as electrodes for rechargeable lithium ion battery" by Pengda, Hong, 洪鹏达, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. Abstract: The rechargeable lithium ion batteries (LIB) are playing increasingly important roles in powering portal commercial electronic devices. They are also the potential power sources of electric mobile vehicles. The first kind of the cathode materials, LiXCoO2, was commercialized by Sony Company in 1980s, and it is still widely used today in LIB. However, the high cost of cobalt source, its environmental unfriendliness and the safety issue of LiXCoO2 have hindered its widespread usage today. Searching for alternative cathode materials with low cost of the precursors, being environmentally benign and more stable in usage has become a hot topic in LIB research and development. In the first part of this study, lithium nickel manganese cobalt oxide (LiNi0.6Mn0.35Co0.05O2) is studied as the electrode. The materials are synthesized at high temperatures by solid state reaction method. The effect of synthesis temperature on the electrochemical performance is investigated, where characterizations by, for example, X-ray diffraction (XRD) and scanning electron microscopy (SEM), for particle size distribution, specific surface area, and charge-discharge property, are done over samples prepared at different conditions for comparison. The electrochemical tests of the rechargeable Li ion batteries using LiNi0.6Mn0.35Co0.05 cathode prepared at optimum conditions are carried out in various voltage ranges, at different discharge rates and at high temperature. In another set of experiments, the material is adopted as anode with lithium foil as the cathode, and its capacitance is tested. In the second part of this study, the iron based cathode material is investigated. Lithium iron orthosilicate with carbon coating is synthesized at 700℃ by solid state reaction, which is assisted by high energy ball milling. Characterizations are done for discharge capacities of the samples with different carbon weight ratio coatings. DOI: 10.5353/th_b4715029 Subjects: Lithium ion batteries Cathodes Lithium compounds - Synthesis Cobalt compounds - Synthesis Manganese compounds - Synthesis Silicon compounds - Synthesis Iron compounds - Synthesis

Synthesis and Characterization of LiNi0.6Mn0.35Co0.05O2 and Li2FeSiO4/C as Electrodes for Rechargeable Lithium Ion Battery

Author : Pengda Hong
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (779 download)

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Book Synopsis Synthesis and Characterization of LiNi0.6Mn0.35Co0.05O2 and Li2FeSiO4/C as Electrodes for Rechargeable Lithium Ion Battery by : Pengda Hong

Download or read book Synthesis and Characterization of LiNi0.6Mn0.35Co0.05O2 and Li2FeSiO4/C as Electrodes for Rechargeable Lithium Ion Battery written by Pengda Hong and published by . This book was released on 2011 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Synthesis and Characterization of Nanostructured Electrode Materials for Rechargeable Lithium Ion Batteries

Author : Min Sik Park
Publisher :
ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.:/5 (299 download)

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Book Synopsis Synthesis and Characterization of Nanostructured Electrode Materials for Rechargeable Lithium Ion Batteries by : Min Sik Park

Download or read book Synthesis and Characterization of Nanostructured Electrode Materials for Rechargeable Lithium Ion Batteries written by Min Sik Park and published by . This book was released on 2008 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Synthesis and Characterization of Novel Cathode Material with Improved Specific Capacity and Safety for Lithium Ion Batteries

Author : Wassima El Mofid
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (12 download)

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Book Synopsis Synthesis and Characterization of Novel Cathode Material with Improved Specific Capacity and Safety for Lithium Ion Batteries by : Wassima El Mofid

Download or read book Synthesis and Characterization of Novel Cathode Material with Improved Specific Capacity and Safety for Lithium Ion Batteries written by Wassima El Mofid and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Die steigenden Anforderungen an Lithium-Ionen-Batterien mit hoher spezifischer Leistung und Energie haben zur Entwicklung von mehreren Klassen von Materialien für die positive Elektrode geführt. Darunter sind unter anderem die vielversprechenden LiNixMnyCo1-x-yO2 (NMC) Materialien. In diesem Zusammenhang ist das Thema dieser Arbeit eine umfangreichen Studie der elektrochemischen und strukturellen Eigenschaften des ursprünglichen Materials NMC (3:1:1) (LiNi0.6Mn0.2Co0.2O2) und der drei neuen Materialien, die entweder durch Mono-Substitution von Co mit Al oder Fe: NMCA (LiNi0.6Mn0.2Co0.15Al0.05O2) und NMCF (LiNi0.6Mn0.2Co0.15Fe0.05O2) oder durch doppelte Substitution von Co mit Al und Fe NMCAF (LiNi0.6Mn0.2Co0.15Al0.025 Fe0.025O2) hergestellt wurden. Im ersten Schritt wurde eine Optimierung der Synthesebedingungen durchgeführt. Dazu wurden verschiedene Verfahren (z.B. Röntgenbeugung, Rasterelektronenmikroskopie) verwendet, um homogene Phasen mit gut geordneter Struktur zu erhalten. Im zweiten Schritt wurden Struktur, morphologische und elektrochemische Eigenschaften der vier Materialien untersucht. Eine detailliertere Untersuchung wurde NMCAF gewidmet. Dieses Material zeigte die besten elektrochemischen Eigenschaften im Vergleich zu den ursprünglichen und den mono-substituierten Materialien. Ziel ist es zu verstehen, was die Mechanismen hinter der Verbesserung des elektrochemischen Verhaltens des doppelsubstituierten Materials sind. Schließlich wurde der Sicherheitsaspekt von NMCAF auf Basis einer detaillierten Untersuchung der thermischen Stabilität während der Lithium-Ionen-Deinterkalation diskutiert.

Synthesis and Characterization of Novel Electrode Materials for Lithium Ion Batteries

Author : Ruigang Zhang
Publisher :
ISBN 13 : 9781124877792
Total Pages : 482 pages
Book Rating : 4.8/5 (777 download)

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Book Synopsis Synthesis and Characterization of Novel Electrode Materials for Lithium Ion Batteries by : Ruigang Zhang

Download or read book Synthesis and Characterization of Novel Electrode Materials for Lithium Ion Batteries written by Ruigang Zhang and published by . This book was released on 2011 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Synthesis and Characterization of Carbon Nanotube Modified Electrode Materials for Li-ion Batteries

Author :
Publisher :
ISBN 13 :
Total Pages : 418 pages
Book Rating : 4.:/5 (922 download)

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Book Synopsis Synthesis and Characterization of Carbon Nanotube Modified Electrode Materials for Li-ion Batteries by :

Download or read book Synthesis and Characterization of Carbon Nanotube Modified Electrode Materials for Li-ion Batteries written by and published by . This book was released on 2009 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today, the Lithium ion (Li-ion) is the fastest growing and most promising rechargeable battery chemistry. For high current demands, there is an emphasis on the importance of very low cell resistance to allow unrestricted flow of current. The electrochemical performance of Li-ion batteries relies significantly on the properties of the cathode materials, the anode materials and the electrolytes. In this study, novel anode and cathode materials were synthesized and systematically studied for Li-ion battery application. Novel anode synthesis involved the substitution of the flat foil current collectors normally used by nano- or micro-wire arrays, as the higher surface area makes it possible to pack much more active material into an electrode. Ni or Cu wire arrays with wire thicknesses of 200 nm, 400 nm or 1 \03BCm were synthesised. Carbon nanotubes (CNTs) were chosen as the Li-insertion compound due to its high theoretical reversible lithium storage capacity. Synthesis of the Cu or Ni/CNT consolidated composite anodes were done using novel synthetic techniques, combining template synthesis via electrochemical deposition and chemical vapour deposition (CVD) techniques. XRD analysis of both the Ni and Cu wire arrays after carbon nanotube deposition, confirmed that the crystallinity of the wire arrays were not altered by the CVD of carbon nanotubes. The optimal results were obtained for the 200 nm Cu/CNT consolidated composite anode. The current density obtained for the Li de-intercalation (\03AFp) was 0.463 A/g. A reversible discharge capacity of 358 mAh/g was obtained in the subsequent charge/discharge cycling. The composite anode materials showed good charge/discharge cycling performances and a high capacity integrity was maintained in the cycling behaviour analyses.

Processing and Manufacturing of Electrodes for Lithium-Ion Batteries

Author : Jianlin Li
Publisher : Energy Engineering
ISBN 13 : 9781839536694
Total Pages : 0 pages
Book Rating : 4.5/5 (366 download)

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Book Synopsis Processing and Manufacturing of Electrodes for Lithium-Ion Batteries by : Jianlin Li

Download or read book Processing and Manufacturing of Electrodes for Lithium-Ion Batteries written by Jianlin Li and published by Energy Engineering. This book was released on 2023-09 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive and critical view on electrode processing and manufacturing for lithium-ion batteries; this book outlines the fabrication process from powder to cell formation, covers electrode processing and cell fabrication, technologies, processing cost, and scaling up from lab to pilot scale.

Nanostructured Electrodes Materials for Li-Ion Batteries

Author : Peng Zhang
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783846583449
Total Pages : 180 pages
Book Rating : 4.5/5 (834 download)

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Book Synopsis Nanostructured Electrodes Materials for Li-Ion Batteries by : Peng Zhang

Download or read book Nanostructured Electrodes Materials for Li-Ion Batteries written by Peng Zhang and published by LAP Lambert Academic Publishing. This book was released on 2012-02 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is about the studies that have been focused on the synthesis and characterization of transition metal oxides as anode materials in lithium ion batteries. The synthesis methods were the hydrothermal method, the electrospinning method, and electrostatic spray deposition (ESD). By controlling the synthesis conditions, different morphologies can be obtained, which result in different electrochemical performances. All of these studies provide a fundamental basis for the development of high performance lithium ion batteries.

Synthesis and Characterization of High Performance Electrode Materials for Lithium Ion Batteries

Author : Jian Hong
Publisher :
ISBN 13 : 9781109505122
Total Pages : 370 pages
Book Rating : 4.5/5 (51 download)

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Book Synopsis Synthesis and Characterization of High Performance Electrode Materials for Lithium Ion Batteries by : Jian Hong

Download or read book Synthesis and Characterization of High Performance Electrode Materials for Lithium Ion Batteries written by Jian Hong and published by . This book was released on 2009 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Synthesis, Characterization, and Performance of Electrodes for Lithium-ion and Lithium/O2 Batteries

Author : 鄧兆丰
Publisher :
ISBN 13 :
Total Pages : 133 pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Synthesis, Characterization, and Performance of Electrodes for Lithium-ion and Lithium/O2 Batteries by : 鄧兆丰

Download or read book Synthesis, Characterization, and Performance of Electrodes for Lithium-ion and Lithium/O2 Batteries written by 鄧兆丰 and published by . This book was released on 2019 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Synthesis and Characterization of Nanostructured Electrodes for Solid State Ionic Devices

Author : Yuelan Zhang
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (761 download)

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Book Synopsis Synthesis and Characterization of Nanostructured Electrodes for Solid State Ionic Devices by : Yuelan Zhang

Download or read book Synthesis and Characterization of Nanostructured Electrodes for Solid State Ionic Devices written by Yuelan Zhang and published by . This book was released on 2006 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ceria is a very important catalytic material for fuel reforming in SOFCs and CO poisoning in PEM fuel cells. Especially, the design of a new generation SOFC requires the in-situ reforming of hydrocarbon fuels. In this work, nanostructured ceria was developed via a controlled hydrothermal process in a mixed water-ethanol medium. The microstructure, formation mechanism, and their surface catalytic properties were investigated.

Synthesis and Characterization of Layered Ni-rich LiNi0.8Co0.1Mn0.1o21o2 Cathode for Lithium-ion Batteries Via Oxalate Co-precipitation Approach

Download Synthesis and Characterization of Layered Ni-rich LiNi0.8Co0.1Mn0.1o21o2 Cathode for Lithium-ion Batteries Via Oxalate Co-precipitation Approach PDF Online Free

Author : 林佳歆
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (124 download)

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Book Synopsis Synthesis and Characterization of Layered Ni-rich LiNi0.8Co0.1Mn0.1o21o2 Cathode for Lithium-ion Batteries Via Oxalate Co-precipitation Approach by : 林佳歆

Download or read book Synthesis and Characterization of Layered Ni-rich LiNi0.8Co0.1Mn0.1o21o2 Cathode for Lithium-ion Batteries Via Oxalate Co-precipitation Approach written by 林佳歆 and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Synthesis and Characterization of Nanostructured Cathode Materials for Rechargeable Lithium/lithium Ion Batteries

Author : Jingsi Yang
Publisher :
ISBN 13 :
Total Pages : 316 pages
Book Rating : 4.:/5 (86 download)

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Book Synopsis Synthesis and Characterization of Nanostructured Cathode Materials for Rechargeable Lithium/lithium Ion Batteries by : Jingsi Yang

Download or read book Synthesis and Characterization of Nanostructured Cathode Materials for Rechargeable Lithium/lithium Ion Batteries written by Jingsi Yang and published by . This book was released on 2005 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advanced Characterization and Modeling of Next Generation Lithium Ion Electrodes and Interfaces

Author : Thomas Andrew Wynn
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (115 download)

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Book Synopsis Advanced Characterization and Modeling of Next Generation Lithium Ion Electrodes and Interfaces by : Thomas Andrew Wynn

Download or read book Advanced Characterization and Modeling of Next Generation Lithium Ion Electrodes and Interfaces written by Thomas Andrew Wynn and published by . This book was released on 2020 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lithium ion batteries have proven to be a paradigm shifting technology, enabling high energy density storage to power the handheld device and electric automotive revolutions. However relatively slow progress toward increased energy and power density has been made since the inception of the first functional lithium ion battery. Materials under consideration for next generation lithium ion batteries include anionic-redox-active cathodes, solid state electrolytes, and lithium metal anodes. Li-rich cathodes harness anionic redox, showing increased first charge capacity well beyond the redox capacity of traditional transition metal oxides, though suffer from severe capacity and voltage fade after the first cycle. This is in part attributed to oxygen evolution, driving surface reconstruction. Solid-state electrolytes (SSEs) offer the potential for safer devices, serving as physical barriers for dendrite penetration, while hoping to enable the lithium metal anode. The lithium metal naturally exhibits the highest volumetric energy density of all anode materials. Here, we employ simulation and advanced characterization methodologies to understand the fundamental properties of a variety of next generation lithium ion battery materials and devices leading to their successes or failures. Using density functional theory, the effect of cationic substitution on the propensity for oxygen evolution was explored. Improvement in Li-rich cathode performance is predicted and demonstrated through doping of 4d transition metal Mo. Next, lithium phosphorus oxynitride (LiPON), an SSE utilized in thin film batteries, was explored. LiPON has proven stable cycling against lithium metal anodes, though its stability is poorly understood. RF sputtered thin films of LiPON are examined via spectroscopic computational methods and nuclear magnetic resonance to reveal its atomic structure, ultimately responsible for its success as a thin film solid electrolyte. A new perspective on LiPON is presented, emphasizing its glassy nature and lack of long-range connectivity. Progress toward in situ methodologies for solid-state interfaces is described, and a protocol for FIB-produced nanobatteries is developed. Cryogenic methodologies are applied to a PEO/NCA composite electrode. Cryogenic focused ion beam was shown to preserve polymer structure and morphology, enabling accurate morphological quantification and preserving the crystallinity, as observed via TEM. Last, development of in situ solid-state interface characterization is discussed.

Synthesis and Characterization of SiOx by Mechanical Milling for Lithium-ion Battery Negative Electrodes

Author : Reid Dressler
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (134 download)

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Book Synopsis Synthesis and Characterization of SiOx by Mechanical Milling for Lithium-ion Battery Negative Electrodes by : Reid Dressler

Download or read book Synthesis and Characterization of SiOx by Mechanical Milling for Lithium-ion Battery Negative Electrodes written by Reid Dressler and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need for higher energy density Li-ion batteries has led to the investigation of higher energy density anode materials. Specifically, research is focused on transitioning away from intercalation materials in favor of silicon-based alloying electrodes. Silicon electrodes offer ten times the specific capacity of graphite at the cost of poor cycle life due to large volume expansions of 280% during lithiation. This poor cycle life is attempted to be improved with the introduction of SiOx. SiOx is composed of nano-regions of Si and SiO2 that provide a more stable microstructure to resist particle fracturing during cycling. The supporting matrix of lithium silicates also restrict the volume expansion of the material to 132% resulting in a more stable electrode structure. It is shown here that SiOx synthesized through mechanical milling is a suitable alternative to the current production method of vapor deposition. Mechanical milling is a well-known industrial process that would easily allow large scale production and integration into lithium-ion batteries.