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Dissertations / Theses on the topic 'Magnesium Batteries'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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1

Syvertsen, Alf Petter. "Alloys as Anode Materials in Magnesium Ion Batteries." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for materialteknologi, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-16778.

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This thesis is a feasibility study of the possible application of magnesium alloys forfuture magnesium-ion batteries. It investigates dierent alloys and characterizesthem with respect to internal resistance, overpotentials and the reversibility of theelectrochemical reaction. SEM and EDS studies of used electrodes have also beencarried out. It has been showed that alloys, easier to handle and at a fraction of thecost, can be used with equal or better performance than pure Mg. The seeminglysuperior alloy, AZ61 exhibits a coloumbic eciency close to 100%, at higher chargerates than pure Mg.

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2

Keyzer, Evan. "Development of electrolyte salts for multivalent ion batteries." Thesis, University of Cambridge, 2019. https://www.repository.cam.ac.uk/handle/1810/288431.

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This dissertation focuses on the synthesis and electrochemical testing of new electrolyte salts for rechargeable multivalent ion batteries. In chapters 2 and 3 the synthesis of Mg and Ca hexafluoropnictogenate salts as well as the electrochemical behaviour of Mg(PF6)2 is presented. Pure samples of Mg(EF6)2 (E = P, As, and Sb) can be synthesized using Mg metal and NOPF6/NOSbF6 in CH3CN or via a ammonium salt deprotonation route using Me3NHAsF6 and Bu2Mg. The NOPF6 method was extended to the Ca variant, but isolation of a pure Ca(PF6)2 material required the presence of a crown ether. Electrochem

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3

Schwarz, Rainer [Verfasser]. "New electrolytes and anode materials for magnesium batteries / Rainer Schwarz." Ulm : Universität Ulm, 2018. http://d-nb.info/1151938173/34.

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4

Heath, Jenny. "Beyond lithium : atomic-scale insights into cathode materials for sodium and magnesium rechargeable batteries." Thesis, University of Bath, 2018. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.761000.

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The importance of energy storage worldwide is increasing with the use of renewable energy sources and electric vehicles. With the intermittent nature of wind and solar power, large-scale grid storage is an extremely important progression needed to reduce the use of fossil fuels. For this to become a reality, rechargeable batteries beyond existing Li-ion technologies need consideration. The development of such batteries requires improvement of understanding their component materials. Modern computer modelling techniques enable valuable insights into the fundamental defect, ion transport and vol

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5

Kganyago, Khomotso R. "A Theoretical Study of Alkali Metal Intercalated Layered Metal Dichalcogenides and Chevrel Phase Molybdenum Chalcogenides." Thesis, University of Limpopo (Turfloop Campus), 2004. http://hdl.handle.net/10386/702.

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Thesis (Ph.D. (Engineering mechanics)) --University of Limpopo, 2004<br>This thesis explores the important issues associated with the insertion of Mg2+ and Li+ into the solid materials: molybdenum sulphide and titanium disulphide. This process, which is also known as intercalation, is driven by charge transfer and is the basic cell reaction of advanced batteries. We perform a systematic computational investigation of the new Chevrel phase, MgxMo6S8 for 0 ≤ x ≤ 2, a candidate for high energy density cathode in prototype rechargeable magnesium (Mg) battery systems. Mg2+ intercalation property of

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6

MASESE, TITUS NYAMWARO. "Iron-based Polyanion Cathode Materials for High-Energy Density Rechargeable Lithium and Magnesium Batteries." Kyoto University, 2015. http://hdl.handle.net/2433/199395.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(人間・環境学)<br>甲第19071号<br>人博第724号<br>新制||人||174(附属図書館)<br>26||人博||724(吉田南総合図書館)<br>32022<br>京都大学大学院人間・環境学研究科相関環境学専攻<br>(主査)教授内本喜晴, 教授田部勢津久, 准教授藤原直樹<br>学位規則第4条第1項該当

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7

Hattori, Masashi. "Elucidation of Anode Reaction of Magnesium Rechargeable Batteries by operando Soft X-ray Absorption Spectroscopy." Kyoto University, 2018. http://hdl.handle.net/2433/235999.

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8

Tran, Ngoc Anh. "Nouveaux électrolytes et cathodes organiques pour les batteries au Magnésium." Thesis, Université Grenoble Alpes, 2020. http://www.theses.fr/2020GRALI073.

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Les objectifs de cette thèse sont d’une part, de développer de nouveaux électrolytes par la conception de nouveaux sels de magnésium non dangereux ou par l’utilisation d’additifs aromatiques comme l’anthracène et d’autre part de synthétiser un polymère organique ayant des propriétés redox adaptées à son utilisation comme électrode positive dans des batteries au Magnésium.La première méthodologie a été la synthèse de plusieurs sels de magnésium obtenus par la réaction de phénol substitués ou de thiophénol avec l’anion tetrahydroborate. Les meilleurs résultats ont été obtenus avec le sel obtenu

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9

Pagot, G. "Electrode and electrolyte materials for the development of high voltage lithium-ion batteries and secondary batteries based on alkali and alkaline-earth ions." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3426843.

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The research activity described in this thesis has been focused on the development and study of novel electrolyte and electrode materials for application in Lithium and Magnesium secondary batteries. The proposed materials belong to the “beyond Li-ion” class of compounds, where systems exceeding the energy density values of classic Li-ion batteries or completely innovative chemistries are presented. Three different classes of electrolytes have been prepared and studied. A solid polymer electrolyte has been obtained by a lithium functionalization of a poly(vinyl alcohol-co-vinyl acetate), form

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10

Moss, Jared B. "Computational and Experimental Studies on Energy Storage Materials and Electrocatalysts." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7537.

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With the growing global population comes the ever-increasing consumption of energy in powering cities, electric vehicles, and portable devices such as cell-phones. While the power grid is used to distribute energy to consumers, the energy sources needed to power the grid itself are unsustainable and inefficient. The primary energy sources powering the grid, being fossil fuels, natural gas, and nuclear, are unsustainable as the economically-accessible reserves are continually depleted in exchange for detrimental emissions and air-pollutants. Cleaner, renewable sources, such as solar, wind, and

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11

Hlongwa, Ntuthuko Wonderboy. "Nanoparticles-infused lithium manganese phosphate coated with magnesium-gold composite thin film - a possible novel material for lithium ion battery olivine cathode." University of the Western Cape, 2014. http://hdl.handle.net/11394/4467.

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>Magister Scientiae - MSc<br>Architecturally enhanced electrode materials for lithium ion batteries (LIB) with permeable morphologies have received broad research interests over the past years for their promising properties. However, literature based on modified porous nanoparticles of lithium manganese phosphate (LiMnPO₄) is meagre. The goal of this project is to explore lithium manganese phosphate (LiMnPO₄) nanoparticles and enhance its energy and power density through surface treatment with transition metal nanoparticles. Nanostructured materials offer advantages of a large surface to volum

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12

Glass, Hugh. "Borate polyanion-based systems as Li- and Mg-ion cathode materials." Thesis, University of Cambridge, 2017. https://www.repository.cam.ac.uk/handle/1810/264940.

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The aim of this thesis is to investigate pyroborates, M2B2O5, and orthoborates, M3(BO3)2, where M = Mg, Mn, Co, Ni, as high capacity and high voltage Li- and Mg-ion cathode materials. We explore the layered orthoborates (M3(BO3)2 which, to our knowledge, have not been previously considered as Li- or Mg-ion cathodes, perhaps due to the lack of Li analogues. Structural analysis shows that mixed metal orthoborates form a solid solution, with cation order driven by the presence of directional d orbitals. Electrochemical studies show that Mg can be removed from the structure and replaced with Li in

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13

Blondeau, Lucie. "Transformations de phases et comportement électrochimique d’électrodes négatives à base d’InSb et d’In-Pb pour les batteries Mg-ion." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPAST033.

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L’accélération continuelle de la demande en lithium, combinée à son abondance limitée et sa concentration inhomogène dans la croûte terrestre risque d’augmenter considérablement son prix dans un futur proche. Les batteries au Mg sont une alternative prometteuse aux batteries Li-ion du fait de la grande abondance, du coût et des capacités du Mg. Néanmoins le Mg métal réagit avec les électrolytes conventionnels pour former une couche de passivation à sa surface rendant l’échange de cations impossible. Une alternative intéressante réside dans le remplacement du Mg métal par une électrode négative

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14

Munhoz, Igor Polezi. "Liga de magnésio como material para bateria de alta densidade energética." reponame:Repositório Institucional da UFABC, 2014.

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Orientador: Prof. Dr. Jorge Tomioka<br>Dissertação (mestrado) - Universidade Federal do ABC, Programa de Pós-Graduação em Engenharia Elétrica, 2014.<br>No contexto energético, as mudanças climáticas e as crescentes crises energéticas aumentaram as preocupações e as pesquisas na área de acumuladores de energia, visando alcançar melhorias no cenário energético e ambiental global. Ao mesmo tempo, a sociedade tornou-se dependente do consumo de energia elétrica, sendo que falhas no fornecimento não são permitidas. Portanto, observa-se a necessidade da energia ofertada ser de boa qualidade e, princi

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15

Honč, Jiří. "Charakterizace elektrochemických vlastností hořčíkových baterií při modifikaci elektrolytu." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2020. http://www.nusl.cz/ntk/nusl-433030.

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This thesis deals with novel electrolytes for magnesium batteries. Prepared electrolytes were composed of affordable solvents and chemicals, which can be handled at normal laboratory conditions. Specifically, solutions of tetrahydrofurane and dimethylsulfoxide with magnesium chloride, aluminium chloride, nitrilotriacetic acid and disodium ethylenediaminetetraacetic acid, were prepared. To determine electrolyte ability of magnesium stripping and deposition, the cyclic voltammetry was used. The kinetics of electrochemical reactions in terms of polarization resistance was studied by electrochemic

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16

ZARPELON, LIA M. "Estudo das características eletroquímicas e microestruturais de eletrodos de hidreto metálico à base de LaNi com adições de elementos de liga." reponame:Repositório Institucional do IPEN, 2016. http://repositorio.ipen.br:8080/xmlui/handle/123456789/27133.

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Submitted by Mery Piedad Zamudio Igami (mery@ipen.br) on 2017-03-10T15:20:01Z No. of bitstreams: 1 22060.pdf: 3959215 bytes, checksum: 0a58b276270c30e02d2f6935bafba229 (MD5)<br>Made available in DSpace on 2017-03-10T15:20:01Z (GMT). No. of bitstreams: 1 22060.pdf: 3959215 bytes, checksum: 0a58b276270c30e02d2f6935bafba229 (MD5)<br>Neste trabalho avaliou-se a ação positiva da substituição de lantânio por praseodímio e de lantânio por magnésio na performance eletroquímica de eletrodos de ligas de armazenamento de hidrogênio em estado bruto de fusão e com tratamento térmico. O La foi substituíd

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17

GALDINO, GABRIEL S. "Influência do PR na microestrutura e propriedades elétricas em ligas à base de LaPrMgAlMnCoNi utilizadas em baterias de Ni-HM." reponame:Repositório Institucional do IPEN, 2011. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10080.

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Made available in DSpace on 2014-10-09T12:34:31Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:00:26Z (GMT). No. of bitstreams: 0<br>Dissertação (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP

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18

Bertasi, Federico. "Advanced Materials for High-Performance Secondary Li and Mg Batteries." Doctoral thesis, Università degli studi di Padova, 2014. http://hdl.handle.net/11577/3424613.

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In order to obtain advanced energy storage systems with high energy density, the research activity here described, is focused on the study of electrolyte and cathodic materials for application in Lithium and Magnesium batteries. The materials are synthesized through inert atmosphere procedures and characterized with several techniques such as: Thermogravimetric Analyses (TGA), Differential Scanning Calorimetry (DSC), Vibrational spectroscopies (MIR, FIR, Raman), Solid state MAS-NMR, several electrochemical techniques (CV, CA, EIS) and Broadband Electrical Spectroscopy (BES). The results are us

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19

Hsu, Cheng-Jui, and 徐晟睿. "Mo-based materials as cathodes for magnesium batteries." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/vgfhrb.

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碩士<br>國立中央大學<br>化學工程與材料工程學系<br>103<br>Thermodynamic properties of magnesium make it an attractive anode material in secondary battery. As compared to lithium and lead, magnesium has advantages of low cost, environmental friendliness, high safety and easy handling. But there are still two major challenges in developing magnesium batteries. The first one is the high chemical activity of magnesium, leading to the formation of passive layer on Mg surface (obstructing Mg ions transportation) and limiting the selection of a suitable electrolyte. The other one is the selection of the cathode material

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20

Liu, Mei-Jun, and 劉美君. "Electrochemical Behavior of MgClO4 Electrolyte PC / EC in Magnesium Ion Batteries." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/bx742q.

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碩士<br>元智大學<br>化學工程與材料科學學系<br>105<br>This study investigates the electrochemical behavior of Mg-ion batteries using magnesium perchlorate as electrolyte. The operating temperature ranges from 298 to 318 K, and the applied voltage falls into the region of -0.2-0.2 V. The electrical conductivity, diffusion coefficient, and surface topography of polymeric separators have been systematically examined. To inspect the electrochemical behavior, three sets of experiments in the two-electrode configuration system including (a) magnesium perchlorate dissolved in propylene carbonate without separator, (b)

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21

Pagot, G. "Electrode and Electrolyte Materials for the Development of High Voltage Lithium-ion Batteries and Secondary Batteries Based on Alkali and Alkaline-earth Ions." Doctoral thesis, 2018. http://hdl.handle.net/11577/3356369.

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22

Chou, Chih-Yu, and 周致羽. "Glyme solvents based on Mg(BH4)2 as electrolyte for magnesium hybrid batteries." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/f4gtn8.

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碩士<br>國立中央大學<br>化學工程與材料工程學系<br>104<br>Magnesium is an attractive anode material for secondary batteries because of low cost, low pollution, abundance, high energy density and high safety. However, there are two major obstacle in developing ideal magnesium ion batteries (MIBs). The first one is the formation of passivation layer on the surface due to the high chemical activity of magnesium. This result in restrictions on selecting suitable electrolytes. The other one is the strong coulombic interaction between Mg2+ and the intercalation host, which makes the ion diffusion sluggish, creating a b

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23

Guo, Shao-Yu, and 郭紹羽. "Applications of Hydrothermally Synthesized VOx Cathods and Salt Added Electrolytes in Rechargeable Magnesium Batteries." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/3hwrqk.

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碩士<br>國立臺北科技大學<br>材料科學與工程研究所<br>105<br>In recent years, many scientists have been searching for other metal-ion batteries to replace lithium-ion batteries. Among them, magnesium ion batteries have the opportunity to become the new generation of secondary batteries. Magnesium ion battery has higher theoretical volumetric capacity and are safer than lithium-ion battery. In this study, we synthesized layered VOx nanotubes with micron-size length and an average diameter of 154 nm as the cathode. The 0.25 M APC was employed as the electrolyte and was added with 0.5 M LiCl/NaCl/MgCl2. The cells were

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24

Venkata, Narayanan N. S. "Room Temperature Molten Liquids Based On Amides : Electrolytes For Rechargeable Batteries, Capacitors And Medium For Nanostructures." Thesis, 2009. http://hdl.handle.net/2005/983.

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Room temperature molten liquids are proposed to be good alternates for volatile and harmful organic compounds. They are useful in varied areas of applications ranging from synthesis, catalysis to energy storage molten electrolytes have certain unique characteristics such as low vapour pressure, reasonably high ionic conductivity, high thermal stability and wide electrochemical window. These molten liquids can be classified in to two types depending on the nature of the species present in the liquids. One, those liquids consists only of ions (e.g) conventional imidazolium based ionic liquids a

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25

Hsu, Jo-Pei, and 許若蓓. "Synthesis of MgCo2O4 Electrode Materials Using Co-precipitation Method for Lithium-ion and Magnesium-ion Batteries." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/95603694856010273892.

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碩士<br>元智大學<br>化學工程與材料科學學系<br>105<br>The dissertation investigates the electrochemical performance of electrode materials synthesize with co-precipitation method for lithium-ion and magnesium-ion batteries. This study can be qualitatively divided into two parts: (i) MgCo2O4/Li4Ti5O12 (ML) for lithium-ion batteries, (ii) MgCo2O4/Graphite (MG) for magnesium-ion batteries. (i) MgCo2O4/Li4Ti5O12 for lithium-ion batteries In the present work, MgCo2O4 (MCO)/Li4Ti5O12 (LTO) composites with different MCO contents are synthesized by a co-precipitation method in order to partially replace expensive Co w

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26

Anju, V. G. "Electrocatalysis using Ceramic Nitride and Oxide Nanostructures." Thesis, 2016. http://etd.iisc.ernet.in/handle/2005/2919.

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Global warming and depletion in fossil fuels have forced the society to search for alternate, clean sustainable energy sources. An obvious solution to the aforesaid problem lies in electrochemical energy storage systems like fuel cells and batteries. The desirable properties attributed to these devices like quick response, long life cycle, high round trip efficiency, clean source, low maintenance etc. have made them very attractive as energy storage devices. Compared to many advanced battery chemistries like nickel-metal hydride and lithium - ion batteries, metal-air batteries show several adv

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