Bibliographies thématiques / LiFe5O8

Littérature scientifique sur le sujet « LiFe5O8 »

Auteur : Grafiati
Publié le 6 septembre 2023

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Articles de revues sur le sujet "LiFe5O8"

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Berbenni, V., A. Marini et D. Capsoni. « Solid State Reaction Study of the System Li2CO3/Fe2O3 ». Zeitschrift für Naturforschung A 53, no 12 (1 décembre 1998) : 997–1003. http://dx.doi.org/10.1515/zna-1998-1212.

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Abstract A thermoanalytical (TGA/DSC) and diffractometric (XRD) study has been performed on the solid state reaction system Li2CO3 -Fe2O3 in the x Li range 0.10±0.50. A detailed analysis of the results shows that the data are in agreement with a reaction model where the carbonate decomposition is regulated by the formation of both LiFeO2 and LiFe5O8 , and the relative amount of the two phases depends on the initial composition. The DSC evidence offers the possibility to directly quantify the LiFe5Ox phase. Furthermore it allows one to obtain the enthalpies of formation of both LiFeO2 and LiFe5O8 .
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Wang, Tao, Divakar Mantha et Ramana G. Reddy. « The Corrosion Behavior of Stainless Steel 316L in Novel Quaternary Eutectic Molten Salt System ». High Temperature Materials and Processes 36, no 3 (1 mars 2017) : 257–65. http://dx.doi.org/10.1515/htmp-2015-0202.

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AbstractIn this article, the corrosion behavior of stainless steel 316L in a low melting point novel LiNO3-NaNO3-KNO3-NaNO2 eutectic salt mixture was investigated at 695 K which is considered as thermally stable temperature using electrochemical and isothermal dipping methods. The passive region in the anodic polarization curve indicates the formation of protective oxides layer on the sample surface. After isothermal dipping corrosion experiments, samples were analyzed using SEM and XRD to determine the topography, corrosion products, and scale growth mechanisms. It was found that after long-term immersion in the LiNO3-NaNO3-KNO3-NaNO2 molten salt, LiFeO2, LiFe5O8, Fe3O4, (Fe, Cr)3O4 and (Fe, Ni)3O4 oxides were formed. Among these corrosion products, LiFeO2 formed a dense and protective layer which prevents the SS 316L from severe corrosion.
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Smolentsev, A. I., A. B. Meshalkin, N. V. Podberezskaya et A. B. Kaplun. « Refinement of LiFe5O8 crystal structure ». Journal of Structural Chemistry 49, no 5 (septembre 2008) : 953–56. http://dx.doi.org/10.1007/s10947-008-0163-8.

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Teixeira, Silvia Soreto, Manuel P. F. Graça, José Lucas, Manuel Almeida Valente, Paula I. P. Soares, Maria Carmo Lança, Tânia Vieira et al. « Nanostructured LiFe5O8 by a Biogenic Method for Applications from Electronics to Medicine ». Nanomaterials 11, no 1 (14 janvier 2021) : 193. http://dx.doi.org/10.3390/nano11010193.

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The physical properties of the cubic and ferrimagnetic spinel ferrite LiFe5O8 has made it an attractive material for electronic and medical applications. In this work, LiFe5O8 nanosized crystallites were synthesized by a novel and eco-friendly sol-gel process, by using powder coconut water as a mediated reaction medium. The dried powders were heat-treated (HT) at temperatures between 400 and 1000 °C, and their structure, morphology, electrical and magnetic characteristics, cytotoxicity, and magnetic hyperthermia assays were performed. The heat treatment of the LiFe5O8 powder tunes the crystallite sizes between 50 nm and 200 nm. When increasing the temperature of the HT, secondary phases start to form. The dielectric analysis revealed, at 300 K and 10 kHz, an increase of ε′ (≈10 up to ≈14) with a tanδ almost constant (≈0.3) with the increase of the HT temperature. The cytotoxicity results reveal, for concentrations below 2.5 mg/mL, that all samples have a non-cytotoxicity property. The sample heat-treated at 1000 °C, which revealed hysteresis and magnetic saturation of 73 emu g−1 at 300 K, showed a heating profile adequate for magnetic hyperthermia applications, showing the potential for biomedical applications.
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Kim, Su-Yong, Kwang-Su Kim, Un-Gi Jong, Chung-Jin Kang, Song-Chol Ri et Chol-Jun Yu. « First-principles study on structural, electronic, magnetic and thermodynamic properties of lithium ferrite LiFe5O8 ». RSC Advances 12, no 25 (2022) : 15973–79. http://dx.doi.org/10.1039/d2ra01656g.

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We systematically investigate the material properties of lithium ferrite LiFe5O8 – structural, magnetic, electronic, lattice vibrational properties and thermodynamic stability – using density functional theory calculations.
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Sarah, P., et S. V. Suryanarayana. « Magnetostriction in composites of LiFe5O8–BaTiO3 ». Journal of Magnetism and Magnetic Materials 260, no 1-2 (mars 2003) : 211–14. http://dx.doi.org/10.1016/s0304-8853(02)01325-2.

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de Picciotto, L. A., et MM Thackeray. « Lithium insertion into the spinel LiFe5O8 ». Materials Research Bulletin 21, no 5 (mai 1986) : 583–92. http://dx.doi.org/10.1016/0025-5408(86)90113-3.

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Yang, Hua, Fengqing Wu, Lizhu Song, Muyu Zhao, Jianping Wang et Helie Luo. « Magnetic properties of nanocrystalline LiFe5O8 particles ». Journal of Magnetism and Magnetic Materials 134, no 1 (mai 1994) : 134–36. http://dx.doi.org/10.1016/0304-8853(94)90084-1.

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Yang, Hua, Lizhu Song, Fengqing Wu, Zichen Wang, Jianping Wang et Helie Luo. « Preparation and magnetic properties of nanocrystalline LiFe5O8 ». Journal of Materials Science Letters 13, no 4 (1994) : 256–57. http://dx.doi.org/10.1007/bf00571768.

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Wu, Hong, Huifeng Li, Genban Sun, Shulan Ma et Xiaojing Yang. « Synthesis, characterization and electromagnetic performance of nanocomposites of graphene with α-LiFeO2 and β-LiFe5O8 ». Journal of Materials Chemistry C 3, no 21 (2015) : 5457–66. http://dx.doi.org/10.1039/c5tc00778j.

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Thèses sur le sujet "LiFe5O8"

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Shash, N. M., M. M. Rashad, M. G. El-Shaarawy, M. H. Maklad et F. A. Afifi. « The Effect of Nano-SiO2 on the Structural, Electrical and Magnetic Properties of SiO2-LiFe5O8 Glass–ceramics Prepared by Sol Gel Auto-combustion Processing ». Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/42712.

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The glass–ceramic with the composition x(LiFe5O8)/(100 – x) SiO2 (x = 20, 30, 40, 50, 100 wt. % ) were prepared by sol gel auto-combustion method. The influence of the SiO2 ratio in the glass-ceramics strucure prepared was investigated by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Crystalline phases (LiFe5O8, SiO2, Fe2O3) were observed by X-ray powder diffraction in the glasses annealed at 800°C for 2h. The crystallite size was found to increase from 27.29 nm (x = 20%) to 91.48 nm(x = 100 %). The microstructure of the formed powders was SiO2 ratio dependent. Increasing the SiO2 ratio was found to inhibit the grain growth of the formed ferrite. The electrical conductivity of glass-ceramics samples were raised with increasing the concentration of SiO2 ratio as the result of increasing the hopping of electrons between Fe2+ and Fe3+ ions. The magnetic characteristics of the prepared glass ceramics were performed using a vibrating sample magnetometer in function of the magnetic field. The samples heat -treated at 800°C for 2h present a ferrimagnetic behavior. Alongside, the formed crystalline silicate lithium ferrite had good magnetic properties. High saturation magnetization (51.9 emu/g) was attained the formed ferrite sample of x = 100 % ratio annealed at 800°C for 2h.
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Dargaville, Steven. « Mathematical modelling of LiFePO4 cathodes ». Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/60800/4/Steven_Dargaville_Thesis.pdf.

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LiFePO4 is a commercially available battery material with good theoretical discharge capacity, excellent cycle life and increased safety compared with competing Li-ion chemistries. It has been the focus of considerable experimental and theoretical scrutiny in the past decade, resulting in LiFePO4 cathodes that perform well at high discharge rates. This scrutiny has raised several questions about the behaviour of LiFePO4 material during charge and discharge. In contrast to many other battery chemistries that intercalate homogeneously, LiFePO4 can phase-separate into highly and lowly lithiated phases, with intercalation proceeding by advancing an interface between these two phases. The main objective of this thesis is to construct mathematical models of LiFePO4 cathodes that can be validated against experimental discharge curves. This is in an attempt to understand some of the multi-scale dynamics of LiFePO4 cathodes that can be difficult to determine experimentally. The first section of this thesis constructs a three-scale mathematical model of LiFePO4 cathodes that uses a simple Stefan problem (which has been used previously in the literature) to describe the assumed phase-change. LiFePO4 crystals have been observed agglomerating in cathodes to form a porous collection of crystals and this morphology motivates the use of three size-scales in the model. The multi-scale model developed validates well against experimental data and this validated model is then used to examine the role of manufacturing parameters (including the agglomerate radius) on battery performance. The remainder of the thesis is concerned with investigating phase-field models as a replacement for the aforementioned Stefan problem. Phase-field models have recently been used in LiFePO4 and are a far more accurate representation of experimentally observed crystal-scale behaviour. They are based around the Cahn-Hilliard-reaction (CHR) IBVP, a fourth-order PDE with electrochemical (flux) boundary conditions that is very stiff and possesses multiple time and space scales. Numerical solutions to the CHR IBVP can be difficult to compute and hence a least-squares based Finite Volume Method (FVM) is developed for discretising both the full CHR IBVP and the more traditional Cahn-Hilliard IBVP. Phase-field models are subject to two main physicality constraints and the numerical scheme presented performs well under these constraints. This least-squares based FVM is then used to simulate the discharge of individual crystals of LiFePO4 in two dimensions. This discharge is subject to isotropic Li+ diffusion, based on experimental evidence that suggests the normally orthotropic transport of Li+ in LiFePO4 may become more isotropic in the presence of lattice defects. Numerical investigation shows that two-dimensional Li+ transport results in crystals that phase-separate, even at very high discharge rates. This is very different from results shown in the literature, where phase-separation in LiFePO4 crystals is suppressed during discharge with orthotropic Li+ transport. Finally, the three-scale cathodic model used at the beginning of the thesis is modified to simulate modern, high-rate LiFePO4 cathodes. High-rate cathodes typically do not contain (large) agglomerates and therefore a two-scale model is developed. The Stefan problem used previously is also replaced with the phase-field models examined in earlier chapters. The results from this model are then compared with experimental data and fit poorly, though a significant parameter regime could not be investigated numerically. Many-particle effects however, are evident in the simulated discharges, which match the conclusions of recent literature. These effects result in crystals that are subject to local currents very different from the discharge rate applied to the cathode, which impacts the phase-separating behaviour of the crystals and raises questions about the validity of using cathodic-scale experimental measurements in order to determine crystal-scale behaviour.
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Карпов, Михайло Анатолійович. « Модуль балансування акумулятора LiFePO4 для електромобіля ». Master's thesis, Київ, 2018. https://ela.kpi.ua/handle/123456789/25849.

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Актуальність теми. Розробка нової ідеї застосування акумулятора в сфері електромобілів. Мета дослідження. Метою МД є дослідження процесу балансування напруги на комірках акумулятора при використанні різних за точністю модулів захисту комірок від перезаряду. Для досягнення поставленої мети необхідно виконати такі задачі: – Експериментальна модель комірки батареї; – Розробка алгоритму балансування комірок; – Розробка методики дослідження; Об’єкт дослідження – модуль для балансування комірок акумулятора. Предмет дослідження - дослідження затраченого часу на повну зарядку акумулятора від заданої точності модуля захисту комірки. Методи дослідження: для вирішення завдань роботи були застосовані наступні методи: експериментальне моделювання зарядної характеристики та моделювання алгоритму балансування комірок за допомогою Excel. Наукова новизна одержаних результатів. Отриманні результати демонструють характеристику заряду акумулятора за розробленим алгоритмом балансування, за рахунок якого можливо створити акумулятор з великою кількістю комірок, які будуть рівномірно збалансовані після заряду, при цьому кожна комірка матиме просту схему контролю. Практичне значення одержаних результатів роботи полягає у можливості порівняти затрачений час зарядки для акумулятора з різними по точності схемами контролю перезарядки. Та оцінити доцільність використання більш точніших схем контролю перезарядки.
Relevance of the topic. Developing a new service of using the battery for electric vehicles. The aim of the study is study the process of balancing voltage on battery cells when using different precisely modules for protecting cells To achieve this goal, you must accomplish the following tasks: - Experimental model of battery cell; - Development of algorithm of balancing of cells; - Development of research methodology; Object of research: is a module for balancing battery cells. Subject of research: is the study of the time taken to fully charge the battery from the given accuracy of the recharge circuit protection circuit. Research methods: the following methods were used to solve the tasks: experimental simulation of charge characteristics and simulation of the algorithm of balancing cells using Excel. Scientific novelty of the obtained results. The results show the characteristics of the battery charge based on the developed algorithm of balancing, due to which it is possible to create a battery with a large number of cells, which will be evenly balanced after the charge, with each cell will have a simple control circuit. The practical value of the results obtained is the ability to compare the charging time spent on the battery with different precision circuitry for recharging. But assess the feasibility of using more accurate recharge control schemes.
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Busson, Christophe. « Etude et optimisation de revêtements de collecteurs de courant en aluminium pour électrode positive, en vue d’augmenter les densités d’énergie et de puissance, et la durabilité de batteries lithium-ion ». Thesis, Nantes, 2017. http://www.theses.fr/2017NANT4103.

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La recherche de batteries lithium-ion de hautes performances est nécessaire pour assurer nos besoins croissants en mobilité électrique. L’optimisation des matériaux d’électrodes et des électrolytes sont des voies très explorées. Par ailleurs, les collecteurs de courant jouent un rôle clé vis-à-vis des performances et de leur maintien au cours du cyclage en raison des problématiques d’adhésion, de résistance de contact électrique, et de corrosion, à l’interface électrode/collecteur. Dans ce but, des revêtements conducteurs et protecteurs pour collecteurs de courant en aluminium d’électrode positive ont été développés. Les phénomènes à l’interface entre l’électrode, de type LiFePO4 – PVdF, et le collecteur de courant ont été étudiés. Le mouillage de cette interface par l’électrolyte est apparu comme une origine majeure de la résistance de contact, probablement par la formation d’une double couche électrochimique. La sélection des matériaux utilisés dans la formulation des revêtements a permis de protéger la surface d’aluminium de ce contact avec l’électrolyte. Les conséquences sont très bénéfiques : diminution de la résistance de contact, augmentation des densités de puissance et d’énergie à hauts régimes, et protection de l’aluminium contre la corrosion dans un électrolyte de type LiTFSI. Il a notamment été montré qu’une des principales limitations d’une électrode de type LiFePO4 est sa résistance de contact avec le collecteur de courant, et qu’un revêtement performant permet d’éliminer totalement la part de carbone conducteur dans cette électrode tout en conservant de très bonnes performances
Performance improvement is necessary in order to fulfill our increasing needs in electric mobility. Electrode and electrolyte materials optimization are privileged research directions. Furthermore, current collectors have a key role in the performance and their preservation, associated with electrode delamination, electrical contact resistance and corrosion issues at the current collector/electrode interface. To this end, conductive and protective coatings for aluminum current collectors have been developed. Interactions between a LiFePO4 – PVdF type electrode and current collectors were studied. The electrolyte wettability of this interface appeared to be a major contact resistance contribution, probably due to the formation of the electrochemical double layer. Protection of this interface was achieved through coatings’ material selection. Performance improvements have been observed: contact resistance decrease, higher power and energy densities at high rates and corrosion protection of aluminum substrates in LiTFSI-based electrolyte. It has been demonstrated that the contact resistance with current collectors is one of the major drawback of LiFePO4 electrodes, and an effective coating can allow the suppression of the electrode’s conductive carbon additives whereas performance are preserved
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Мухін, В. В., et М. М. Суслов. « LiFePO4 в якості катодного матеріалу в ЛІА ». Thesis, Київський національний університет технологій та дизайну, 2018. https://er.knutd.edu.ua/handle/123456789/11749.

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Jüstel, Manuela [Verfasser]. « Synthese und Modifikation von Lithiumeisenphosphat (LiFePO4) / Manuela Jüstel ». Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2013. http://d-nb.info/1034032283/34.

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Мухін, В. В. « Застосування LiFePO4 в якості електродного матеріалу в ХДС ». Thesis, КНУТД, 2016. https://er.knutd.edu.ua/handle/123456789/4549.

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Hanžl, Ondřej. « Nabíječka 14,6 V 100 A pro LiFePO4 akumulátor ». Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2020. http://www.nusl.cz/ntk/nusl-412974.

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This thesis deals with a design, construciton and testing of a switch-mode power supply (SMPS) which is working as a LiFEPO4 battery charger with output current up to 100~A and output voltage up to 14,6~V. The output voltage and current can be regulated by the operator from zero to maximum value. For this SMPS Half-bridge asymmetrical forward converter with two transformers and common output inductor topology is chosen. The control circuits are run by the IC SG3525. Cascaded regulation of output voltage and current is implemented by two discrete operational amplifiers. Undervoltage protection of the control circuits and independent overcurrent protection on the primary side is also implemented.
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Zhang, S. C., G. R. Liu, X. Wei et X. Lu. « Surfactant Assisted Synthesis of LiFePO4 Nanostructures via Hydrothermal Processing ». Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35206.

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LiFePO4 is a potential cathode candidate for of secondary lithium batteries due to its low-cost, out-standing thermal stability and innocuity. In this paper, pure LiFePO4 obtained by hydrothermal method using cetyltrimethyl ammonium bromide (CTAB) as surfactant. LiFePO4 particles produced without any surfactant showed typical morphologies of perfect octahedral with size of ~1μm. For products prepared with addition CTAB, the amount of surfactant controlled the growth of LiFePO4 crystals, with which dif-ferent morphologies of plate, grains and flower-like structures were produced. Plate products displayed a capacity of 145.70 mAh•g-1 at 0.1C, which was superior to others. The results indicated the electrochemical performance depends crucially on the size and structure of active materials. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35206
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Roscher, Michael [Verfasser]. « Zustandserkennung von LiFePO4-Batterien für Hybrid- und Elektrofahrzeuge / Michael Roscher ». Aachen : Shaker, 2011. http://d-nb.info/1098039602/34.

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Livres sur le sujet "LiFe5O8"

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Ben-ʹEzer, Ehud. Yaʻzereha Elohim lifenot boḳer : Shirim, 1955-1995. Hod ha-Sharon : Asṭrolog, 2005.

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Grose, Peter. Gentleman spy : The lifeof Allen Dulles. Boston : Houghton Mifflin, 1994.

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Davies, Jessie. Anna of all the Russias : The lifeof Anna Akhmatova (1889-1966). Liverpool : Lincoln Davies, 1988.

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Beck, Lois. Nomad : A year in the lifeof a Qashqa'i tribesman in Iran. London : I.B. Tauris, 1991.

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Ogden, Chris. Lifeof the party : The biography of Pamela Digby Churchill Hayward Harriman. Boston : Little, Brown and Co, 1994.

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Walker, William. Extracts from The lifeof the Right Reverend Alexander Jolly, D.D., Bishop of Moray. Fraserburgh : [?St. Peter's Church], 1988.

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Li li zi dian chi yong lin suan tie li zheng ji cai liao : LiFePO4 Cathode Material Used for Li-ion Battery. Beijing Shi : Ke xue chu ban she, 2013.

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Hutchinson, Philip James Walter. The quality of life of the mentally ill living in the community : A comparison of the quality of lifeof those individuals living in the community with different dependency needs. [s.l : The Author], 1995.

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Lifelog : A Celebration of the Twentieth Century. Andex Two Thousand, 1990.

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Parnell, Michael. Laughter from the dark : Lifeof Gwyn Thomas. Seren, 1995.

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Chapitres de livres sur le sujet "LiFe5O8"

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Villars, P., K. Cenzual, R. Gladyshevskii, O. Shcherban, V. Dubenskyy, V. Kuprysyuk, I. Savysyuk et R. Zaremba. « LiFeO2 β ». Dans Landolt-Börnstein - Group III Condensed Matter, 652. Berlin, Heidelberg : Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-22847-6_546.

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Villars, P., K. Cenzual, J. Daams, R. Gladyshevskii, O. Shcherban, V. Dubenskyy, V. Kuprysyuk et I. Savysyuk. « LiFeO2 γ ». Dans Structure Types. Part 9 : Space Groups (148) R-3 - (141) I41/amd, 722. Berlin, Heidelberg : Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-02702-4_501.

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Prosini, Pier Paolo. « Nano-Crystalline LiFePO4 ». Dans Iron Phosphate Materials as Cathodes for Lithium Batteries, 47–51. London : Springer London, 2011. http://dx.doi.org/10.1007/978-0-85729-745-7_6.

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Wang, Peng, Alan Smeaton et Alessandra Mileo. « Semantically Enhancing Multimedia Lifelog Events ». Dans Advances in Multimedia Information Processing – PCM 2014, 163–72. Cham : Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-13168-9_17.

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Tran, Ly-Duyen, Thanh Cong Ho, Lan Anh Pham, Binh Nguyen, Cathal Gurrin et Liting Zhou. « LLQA - Lifelog Question Answering Dataset ». Dans MultiMedia Modeling, 217–28. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-98358-1_18.

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Zhou, Liting, et Cathal Gurrin. « Multimodal Embedding for Lifelog Retrieval ». Dans MultiMedia Modeling, 416–27. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-98358-1_33.

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Atong, D., C. Pechyen, D. Aht-Ong et V. Sricharoenchaikul. « Synthesis of Olivine (LiFePO4 ) and Ni/Olivine (LiFePO4 ) Catalysts for Upgrading Syn-Gas Production ». Dans Ceramic Transactions Series, 139–45. Hoboken, NJ, USA : John Wiley & Sons, Inc., 2010. http://dx.doi.org/10.1002/9780470640845.ch19.

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Gurrin, Cathal, Hideo Joho, Frank Hopfgartner, Liting Zhou, Van-Tu Ninh, Tu-Khiem Le, Rami Albatal, Duc-Tien Dang-Nguyen et Graham Healy. « Advances in Lifelog Data Organisation and Retrieval at the NTCIR-14 Lifelog-3 Task ». Dans NII Testbeds and Community for Information Access Research, 16–28. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-36805-0_2.

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Prosini, Pier Paolo. « Modeling the Voltage Profile for LiFePO4 ». Dans Iron Phosphate Materials as Cathodes for Lithium Batteries, 73–82. London : Springer London, 2011. http://dx.doi.org/10.1007/978-0-85729-745-7_10.

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Prosini, Pier Paolo. « Versatile Synthesis of Carbon-Rich LiFePO4 ». Dans Iron Phosphate Materials as Cathodes for Lithium Batteries, 67–71. London : Springer London, 2011. http://dx.doi.org/10.1007/978-0-85729-745-7_9.

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Actes de conférences sur le sujet "LiFe5O8"

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Kaliappan, S., Chandrashekhar K. Pati, M. Karthick, Pravin P. Patil, S. Socrates et V. Balaji. « Determinants of dielectric behaviour of MO8+ substituted LiFe5O8 ». Dans INTERNATIONAL CONFERENCE ON MATERIALS ENGINEERING AND MANUFACTURING SYSTEMS : ICMEMS2022. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0132567.

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PISZORA, P., W. NOWICKI, J. DARUL et E. WOLSKA. « RIETVELD PROFILE ANALYSIS ON THE Mn-SUBSTITUTED, ORDERED LiFe5O8 ». Dans Proceedings of the XVIII Conference. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812811325_0008.

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Hu, Z., X. Chen, T. Nan, X. Wang, Y. Gao, Z. Wang, G. Srinivasan et N. Sun. « Voltage control of magnetism in laminated LiFe5O8/PMN-PT multiferroic composites ». Dans 2015 IEEE International Magnetics Conference (INTERMAG). IEEE, 2015. http://dx.doi.org/10.1109/intmag.2015.7157361.

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Faisst, Alexander Christian, et Björn Þór Jónsson. « LifeMon : A MongoDB-Based Lifelog Retrieval Prototype ». Dans ICMR '21 : International Conference on Multimedia Retrieval. New York, NY, USA : ACM, 2021. http://dx.doi.org/10.1145/3463948.3469066.

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Gurrin, Cathal, Hideo Joho, Frank Hopfgartner, Liting Zhou et Rami Albatal. « NTCIR Lifelog ». Dans SIGIR '16 : The 39th International ACM SIGIR conference on research and development in Information Retrieval. New York, NY, USA : ACM, 2016. http://dx.doi.org/10.1145/2911451.2914680.

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Yang, Yang, et Cathal Gurrin. « Personal lifelog visualization ». Dans the 4th International SenseCam & Pervasive Imaging Conference. New York, New York, USA : ACM Press, 2013. http://dx.doi.org/10.1145/2526667.2526682.

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Ho, Pil, et Fausto Giunchiglia. « Lifelog event management ». Dans the 2011 joint ACM workshop. New York, New York, USA : ACM Press, 2011. http://dx.doi.org/10.1145/2072508.2072518.

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Nguyen, Binh T., Duc-Tien Dang-Nguyen, Tien X. Dang, Thai Phat et Cathal Gurrin. « A Deep Learning based Food Recognition System for Lifelog Images ». Dans Special Session on INsights DiscovEry from LifElog Data. SCITEPRESS - Science and Technology Publications, 2018. http://dx.doi.org/10.5220/0006749006570664.

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Dao, Minh-son, Duc-Tien Dang-Nguyen, Asem Kasem et Hung Tran-The. « HealthyClassroom - A Proof-of-Concept Study for Discovering Students’ Daily Moods and Classroom Emotions to Enhance a Learning-teaching Process using Heterogeneous Sensors ». Dans Special Session on INsights DiscovEry from LifElog Data. SCITEPRESS - Science and Technology Publications, 2018. http://dx.doi.org/10.5220/0006749106850691.

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Duy Dinh, Tung, Dinh-Hieu Nguyen et Minh-Triet Tran. « Social Relation Trait Discovery from Visual LifeLog Data with Facial Multi-Attribute Framework ». Dans Special Session on INsights DiscovEry from LifElog Data. SCITEPRESS - Science and Technology Publications, 2018. http://dx.doi.org/10.5220/0006749206650674.

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Rapports d'organisations sur le sujet "LiFe5O8"

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Wang, Y. Battery electrode preparation, assembly, and testing procedures : LiFePO4. Office of Scientific and Technical Information (OSTI), juin 2013. http://dx.doi.org/10.2172/1088440.

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Kanai, Yosuke, M. Tang et B. C. Wood. "Multiscale Capabilities for Exploring Transport Phenomena in Batteries" : Ab Initio Calculations on Defective LiFePO4. Office of Scientific and Technical Information (OSTI), octobre 2013. http://dx.doi.org/10.2172/1113363.

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Fagúndez, Jaime, Laura Lagos, José Antonio Cortés Vázquez et Flávia Canastra. Galician Wild Ponies. Socio-Economic Context and Environmental Benefits : Galicia Area Report and Case Study for GrazeLIFE (LIFE18 PRE NL 002). Publishing Service-University of A Coruña, février 2022. http://dx.doi.org/10.17979/spudc.9788497498234.

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The University of A Coruña is partner of the GRAZELIFE LIFE preparatory project (LIFE 18 PRE/NL002). We contributed to the main aim of the project of promoting sustainable grazing by large herbivores, with the study of the particular case of Galician wild ponies as a natural grazing semi-wild land use model, and alternative land uses of short and long-term afforestation, extensive grazing and abandonment. We selected two sub-areas in Galicia representing different situations in dominant land uses and the wild ponies’ system. Xistral, in the north, is a protected Natura 2000 site covered by wet heaths and bogs, ponies are owned by commoners that are mainly cattle farmers. Groba, in the south, is a drier area with dominance of forestry use and high frequency of wildfires, where ponies are owned by non-professional farmers. We performed twenty personal semi-structured interviews with pony owners, land owners and related experts from different sectors (afforestation, tourism, conservation NGOs), and performed two focus groups. We discussed topics such as their relation with ponies, the challenges they face, their demands and feelings on the policies, including CAP subsidies or compensations for wolf attacks, and their expectations for the future. In the field, we selected representative stands of each land use model in each sub-area and performed a systematic record of plant species, measures of plant biomass, and collected soil samples. Measures were used as proxies of biodiversity changes, carbon storage and wildfire risk, to compare between the selected models.
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Fagúndez, Jaime, Laura Lagos, José Antonio Cortés Vázquez et Flávia Canastra. Galician Wild Ponies. Socio-Economic Context and Environmental Benefits : Galicia Area Report and Case Study for GrazeLIFE (LIFE18 PRE NL 002). Publishing Service-University of A Coruña, février 2022. http://dx.doi.org/10.17979/spudc.9788497498241.

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The University of A Coruña is partner of the GRAZELIFE LIFE preparatory project (LIFE 18 PRE/NL002). We contributed to the main aim of the project of promoting sustainable grazing by large herbivores, with the study of the particular case of Galician wild ponies as a natural grazing semi-wild land use model, and alternative land uses of short and long-term afforestation, extensive grazing and abandonment. We selected two sub-areas in Galicia representing different situations in dominant land uses and the wild ponies’ system. Xistral, in the north, is a protected Natura 2000 site covered by wet heaths and bogs, ponies are owned by commoners that are mainly cattle farmers. Groba, in the south, is a drier area with dominance of forestry use and high frequency of wildfires, where ponies are owned by non-professional farmers. We performed twenty personal semi-structured interviews with pony owners, land owners and related experts from different sectors (afforestation, tourism, conservation NGOs), and performed two focus groups. We discussed topics such as their relation with ponies, the challenges they face, their demands and feelings on the policies, including CAP subsidies or compensations for wolf attacks, and their expectations for the future. In the field, we selected representative stands of each land use model in each sub-area and performed a systematic record of plant species, measures of plant biomass, and collected soil samples. Measures were used as proxies of biodiversity changes, carbon storage and wildfire risk, to compare between the selected models.
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Fagúndez, Jaime, Laura Lagos, José Antonio Cortés Vázquez et Flávia Canastra. Os cabalos salvaxes de Galicia. Contexto socio-económico e beneficios ambientais : o caso de estudo de Galicia no proxecto GrazeLIFE (LIFE18 PRE NL 002). Servizo de Publicacións, Universidade da Coruña, février 2022. http://dx.doi.org/10.17979/spudc.9788497498258.

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A Universidade da Coruña (UDC) é socia do proxecto LIFE GRAZELIFE (LIFE 18 PRE/NL002), un proxecto europeo con socios de oito países que se desenvolveu entre os anos 2019 e 2021. O obxectivo principal do proxecto é promover a xestión sustentable do territorio mediante o pastoreo e uso de grandes herbívoros. A UDC contribuíu co estudo dos cabalos salvaxes de Galicia fronte a outras alternativas de xestión caso das repoboacións forestais de quenda curta e longa, a gandaría extensiva ou o abandono. Seleccionamos dúas áreas de estudo que representan dúas situacións diferentes en relación coa paisaxe dominante e o uso dos cabalos salvaxes (bestas). A serra do Xistral, no norte de Lugo, é un espazo da Rede Natura 2000 dominado por queirogais húmidos e turbeiras, onde as bestas pertencen a gandeiros profesionais. A serra da Groba, no sur de Pontevedra, é unha área cun clima máis cálido, cuberta principalmente por repoboacións forestais e con frecuentes incendios. As bestas pertencen a besteiros que non son profesionais. Durante o proxecto realizamos vinte entrevistas semiestruturadas e dúas reunións de grupo con besteiros, propietarios dos terreos e expertos de diferentes sectores (forestal, turístico, asociacións conservacionistas e outros). Solicitamos información sobre a súa relación coas bestas, os problemas aos que se enfrontan, as súas demandas e as súas opinións respecto das políticas públicas vixentes, incluídas as axudas da PAC ou as compensacións por danos do lobo, e os seus plans de futuro. No estudo de campo seleccionamos áreas representativas de cada modelo de uso do solo e realizamos un estudo sistemático de riqueza e diversidade de plantas, biomasa e materia orgánica no solo. Estas medidas serven como indicadores de cambios na biodiversidade, secuestro de carbono e risco de incendios entre os diferentes modelos.
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Fagúndez, Jaime, Laura Lagos, José Antonio Cortés Vázquez et Flávia Canastra. Los caballos salvajes de Galicia. Contexto socioeconómico y beneficios ambientales : el caso de estudio de Galicia en el proyecto GrazeLIFE (LIFE18 PRE NL 002). Servizo de Publicacións, Universidade da Coruña, février 2022. http://dx.doi.org/10.17979/spudc.9788497498265.

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La Universidade da Coruña (UDC) es socia del proyecto LIFE GRAZELIFE (LIFE 18 PRE/NL002), un proyecto europeo con socios de ocho países que se desarrolló entre los años 2019 y 2021. El objetivo principal del proyecto es promover la gestión sostenible del territorio mediante pastoreo y uso de grandes herbívoros. La UDC ha contribuido con el estudio de los caballos salvajes de Galicia frente a otras alternativas de gestión como las repoblaciones forestales de turno corto y largo, la ganadería extensiva o el abandono. Seleccionamos dos áreas de estudio que representan dos situaciones diferentes en relación al paisaje dominante y el uso de los caballos salvajes (bestas). La Serra do Xistral, en el norte de Lugo, es un espacio de la Red Natura 2000 dominado por brezales húmedos y turberas, donde las bestas pertenecen a ganaderos profesionales. La Serra da Groba, en el sur de Pontevedra, es un área con un clima más cálido, cubierta principalmente por repoblaciones forestales y con frecuentes incendios. Las bestas pertenecen a besteiros que no son profesionales. Durante el proyecto realizamos veinte entrevistas semiestructuradas y dos reuniones de grupo con besteiros, propietarios de los terrenos y expertos de diferentes sectores (forestal, turístico, asociaciones conservacionistas y otros). Recabamos información sobre su relación con las bestas, los problemas a los que se enfrentan, sus demandas y sus opiniones sobre las políticas públicas vigentes, incluidas las ayudas de la PAC o las compensaciones por daños del lobo, y sus planes de futuro. En el estudio de campo, seleccionamos áreas representativas de cada modelo de uso del suelo y realizamos un estudio sistemático de riqueza y diversidad de plantas, biomasa y materia orgánica en el suelo. Estas medidas sirven como indicadores de cambios en la biodiversidad, secuestro de carbono y riesgo de incendios entre los diferentes modelos.
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Hsu, H. S., J. H. DeVan et M. Howell. Equilibrium solubilities of LiFeO/sub 2/ and (Li,K)/sub 2/CrO/sub 4/ in molten alkali carbonates at 650/sup 0/C. [Lithium and potassium chromates]. Office of Scientific and Technical Information (OSTI), août 1986. http://dx.doi.org/10.2172/5279867.

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