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Journal articles on the topic 'Sans batterie'

Author: Grafiati

Published: 19 April 2025

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1

Lauwers, Peter. "Compléments de manière ou attributs ? Les Sprép après partir." Scolia 27, no. 1 (2013): 161–81. http://dx.doi.org/10.3406/scoli.2013.1159.

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Cette contribution se propose d'explorer la frontière entre l'attribut du sujet accessoire (p.ex. partir joyeux) et le complément adverbial de manière (accessoire) (p.ex. partir joyeusement) dans le domaine des syntagmes prépositionnels (Sprép) : partir en silence vs partir en colère. Sur la base d'une batterie de tests distributionnels, nous montrerons que les Sprép se situent sur un continuum qui s'étend entre deux pôles, un pôle [+ adverbial] et un pôle [+ attributif], et que certains Sprép acceptent les deux analyses. Cette situation rappelle celle des adjectifs-adverbes de manière dans de

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2

Cabé, N., C. Lannuzel, C. Boudhent, et al. "Impulsivité et fonctions exécutives dans l’alcoolo-dépendance : étude en neuroimagerie." European Psychiatry 30, S2 (2015): S105—S106. http://dx.doi.org/10.1016/j.eurpsy.2015.09.198.

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IntroductionL’impulsivité, souvent décrite comme élevée chez les patients alcoolo-dépendants (AD), est un concept complexe qui jouerait un rôle important dans le développement de l’AD [1] et augmenterait les risques de rechutes [2]. L’impulsivité est considérée, selon les auteurs, comme un facteur de vulnérabilité psychopathologique ou comme une conséquence de l’AD [3] potentiellement en lien avec l’altération fréquemment observée des fonctions exécutives. Les liens spécifiques entre impulsivité et anomalies cérébrales chez les sujets AD n’ont que très peu été étudiés à l’heure actuelle [4]. C

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3

Priam, C., N. Camart, L. Romo, and A. Meunier. "Étude de l’évolution des croyances au cours d’un traitement par stimulation magnétique transcrânienne (rTMS) chez des patients dépressifs." European Psychiatry 29, S3 (2014): 652. http://dx.doi.org/10.1016/j.eurpsy.2014.09.025.

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IntroductionLa stimulation magnétique transcrânienne répétée (rTMS) est une technique thérapeutique non invasive de stimulation du cerveau, utilisée pour le traitement de la dépression résistante. Les études ont montré son efficacité sur la diminution de l’intensité de la dépression [1]. Mais, à ce jour, peu d’études se sont intéressées à l’évolution au cours de ce traitement, de facteurs psychologiques tels que les schémas dysfonctionnels représentés par les attitudes dysfonctionnelles [2] et les schémas précoces inadaptés [3] et qui sont impliqués dans la dépression.Objectif principalDétermi

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4

Le Curieux, F., S. Giller, D. Marzini, A. Brice, and F. Erb. "Utilisation de trois tests de génotoxicité pour l'étude de l'activité génotoxique de composés organohalogénés, d'acides fulviques chlorés et d'échantillons d'eau (non concentrés) en cours de traitement de potabilisation." Revue des sciences de l'eau 9, no. 1 (2005): 75–95. http://dx.doi.org/10.7202/705243ar.

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Il est admis aujourd'hui que la génotoxicité identifiée dans les extraits d'eau potable provient principalement de l'action du chlore sur la matière organique naturelle qui donne naissance à des dérivés organohalogénés. Dans le présent travail, nous avons comparé la sensibilité de trois essais de génotoxicité (SOS chromotest, test d'Ames-fluctuation et test micronoyau triton) lors de l'étude de composés organohalogénés, d'acides fulviques chlorés et d'échantillons d'eau (non concentrés) en cours de traitement de potabilisation. Les composés organohalogénés étudiés sont 4 trihalométhanes, 5 acé

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5

Zhang, Limin, Michael C. McVay, and Peter W. Lai. "Centrifuge modelling of laterally loaded single battered piles in sands." Canadian Geotechnical Journal 36, no. 6 (1999): 1074–84. http://dx.doi.org/10.1139/t99-072.

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Centrifuge lateral load tests were performed on single battered piles at five pile inclinations founded in both medium-dense (relative density Dr = 55%) and loose (Dr = 36%) sands. The effects of pile batter and soil density on lateral resistance were studied. Pile batter had significant effects in dense sands but minor effects in loose sands. Based on the test results, nonlinear p-y curves, where p is the soil resistance in unit length and y is the lateral deflection of the pile, were developed for single piles at any angle (positive or negative) and sand density. The developed p-y curves wer

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6

Zhang, Weimin, Yuqing Liu, Lipeng Zhang, and Jun Chen. "Recent Advances in Isolated Single-Atom Catalysts for Zinc Air Batteries: A Focus Review." Nanomaterials 9, no. 10 (2019): 1402. http://dx.doi.org/10.3390/nano9101402.

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Recently, zinc–air batteries (ZABs) have been receiving attention due to their theoretically high energy density, excellent safety, and the abundance of zinc resources. Typically, the performance of the zinc air batteries is determined by two catalytic reactions on the cathode—the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER). Therefore, intensive effort has been devoted to explore high performance electrocatalysts with desired morphology, size, and composition. Among them, single-atom catalysts (SACs) have emerged as attractive and unique systems because of their hig

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Li, Yang, Yao Liu, Jinhui Zhang, Dashuai Wang, and Jing Xu. "Rational Design of Non-Noble Metal Single-Atom Catalysts in Lithium–Sulfur Batteries through First Principles Calculations." Nanomaterials 14, no. 8 (2024): 692. http://dx.doi.org/10.3390/nano14080692.

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Lithium–sulfur (Li–S) batteries with a high theoretical energy density of 2600 Wh·kg−1 are hindered by challenges such as low S conductivity, the polysulfide shuttle effect, low S reduction conversion rate, and sluggish Li2S oxidation kinetics. Herein, single-atom non-noble metal catalysts (SACs) loaded on two-dimensional (2D) vanadium disulfide (VS2) as the potential host materials for the cathode in Li–S batteries were investigated systematically by using first-principles calculations. Based on the comparisons of structural stability, the ability to immobilize sulfur, electrochemical reactiv

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Venkatesan Savunthari, Kirankumar, Huidong Dai, Derrick Maxwell, and Sanjeev Mukerjee. "Investigation of the Reaction Mechanism of All-Solid-State Lithium-Sulfur Batteries by Operando in Situ Raman Spectroscopy." ECS Meeting Abstracts MA2023-01, no. 6 (2023): 1076. http://dx.doi.org/10.1149/ma2023-0161076mtgabs.

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In recent years, all-solid-state lithium-sulfur batteries (ASSLSBs) with sulfide-based solid electrolytes have become a leading energy storage system due to their high ionic conductivity, ultra-high energy density, high safety, and low cost. There have been many challenges with the practical applications of Li-S batteries, however, as a result of the sluggish redox kinetics of lithium polysulfide (LPS) and its shuttling effects. Single-atom catalysts (SACs) with atomically dispersed metal-based sites have proven to be promising electrocatalysts in Li-S batteries. To construct the ASSLSBs, we d

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Islam, Mahbub. "First Principles Investigations of Electrocatalyst Design for Mg-CO₂ Batteries." ECS Meeting Abstracts MA2023-01, no. 45 (2023): 2475. http://dx.doi.org/10.1149/ma2023-01452475mtgabs.

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Carbon di-oxide (CO2) is the leading greenhouse gas responsible for global warming and catastrophic consequences on environmental imbalance. Metal-CO2 batteries have grabbed significant attention in the scientific community because of the unique feature of simultaneously consuming CO2 for the production of green electricity. In this regard, Mg- CO2 battery is especially highly promising because of its high volumetric capacity, low-cost, natural abundance. However, several roadblocks such as sluggish reaction kinetics of CO2 reduction, poor reversibility during charging and discharging cycles,

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Seidlmayer, Stefan, Johannes Hattendorff, Irmgard Buchberger, Lukas Karge, Hubert A. Gasteiger, and Ralph Gilles. "In Operando Small-Angle Neutron Scattering (SANS) on Li-Ion Batteries." Journal of The Electrochemical Society 162, no. 2 (2015): A3116—A3125. http://dx.doi.org/10.1149/2.0181502jes.

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Lei, Xin, Bo Liu, Payam Ahmadian Koudakan, Hongge Pan, Yitai Qian, and Gongming Wang. "Single-atom catalyst cathodes for lithium–oxygen batteries: a review." Nano Futures 6, no. 1 (2022): 012002. http://dx.doi.org/10.1088/2399-1984/ac3ec1.

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Abstract Recently, single-atom catalysts (SACs) have been found to be promising candidates for oxygen electrocatalysis in rechargeable lithium–oxygen batteries (LOBs) owing to their high oxygen electrocatalytic activity and high stability, which originates from their unique coordination environments and electronic properties. As a new type of catalyst for LOBs, the advancements have never been reviewed and discussed comprehensively. Herein, breakthroughs in the design of various types of SACs as cathode catalysts for LOBs are summarized, including Co-based, Ru-based, and other types of SACs. M

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12

Huang, Jiajia, and Jian Luo. "A facile and generic method to improve cathode materials for lithium-ion batteries via utilizing nanoscale surface amorphous films of self-regulating thickness." Phys. Chem. Chem. Phys. 16, no. 17 (2014): 7786–98. http://dx.doi.org/10.1039/c4cp00869c.

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13

Islam, Mahbub, and Rahul Jayan. "Single-Atom Electrocatalyst for Engineered Cathode Interfaces in Sodium-Sulfur Batteries." ECS Meeting Abstracts MA2022-01, no. 46 (2022): 1963. http://dx.doi.org/10.1149/ma2022-01461963mtgabs.

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The demand for portable rechargeable energy storage devices is ever increasing, especially because of the advent of electric vehicles and widespread usage of portable electronics. The lithium-ion batteries are currently leading the battery market; however, the high-cost and potentially depleting storage of lithium metals are stimulating the search for alternative technologies. Metal-sulfur batteries are deemed to be promising candidates to supplant the ubiquitously used lithium-ion batteries owing to their high energy density, specific capacity, low cost of sulfur, and environmental benignity.

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Jafta, Charl, Sylvain Prévost, Lilin He, et al. "Where Does Sulfur Precipitate in Lithium Sulfur Batteries? an Operando SANS Experiment." ECS Meeting Abstracts MA2022-02, no. 7 (2022): 2531. http://dx.doi.org/10.1149/ma2022-0272531mtgabs.

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In-situ and operando measurements are done to gain a better understanding of the precipitation mechanisms during charge and discharge in lithium sulfur batteries. In this work we used a carbon felt networked with microfibers consisting of pores, 2 nm and smaller, as a freestanding sulfur host. First, three different infiltration methods of sulfur infiltration are explored to determine the best method. Second, in-situ electrochemical impedance spectroscopy measurements were done that showed a solid product formation occurring at the sulfur cathode, both during the high voltage plateau and at th

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Kamali, Ali Reza, Safa Haghighat-Shishavan, Masoud Nazarian-Samani, Asma Rezaei, and Kwang-Bum Kim. "Ultra-fast shock-wave combustion synthesis of nanostructured silicon from sand with excellent Li storage performance." Sustainable Energy & Fuels 3, no. 6 (2019): 1396–405. http://dx.doi.org/10.1039/c9se00046a.

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A novel shock-wave combustion synthesis method was developed for ultra-scalable, clean and energy efficient conversion of sand to nanostructured silicon with excellent performance as an anode material for Li-ion batteries.

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Xu, Haomin, Shibo Xi, Jing Li, et al. "Chemical design and synthesis of superior single-atom electrocatalysts via in situ polymerization." Journal of Materials Chemistry A 8, no. 34 (2020): 17683–90. http://dx.doi.org/10.1039/d0ta05130f.

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A novel in situ polymerization approach is developed for the synthesis of well-defined FeN<sub>4</sub>-based single-atom catalysts (SACs) on carbon nanotubes with superior catalytic activity in the ORR and Zn–oxygen batteries.

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Guo, Ziting, Shengwen Zhong, Mihong Cao, et al. "High-Temperature-Annealed Multi-Walled Carbon Nanotubes as High-Performance Conductive Agents for LiNi0.5Co0.2Mn0.3O2 Lithium-Ion Batteries." Metals 13, no. 1 (2022): 36. http://dx.doi.org/10.3390/met13010036.

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In this work, the high yield of MWNTs was prepared by chemical vapor deposition (CVD) method, followed by annealing at 2000–2800 °C, and the effects of high annealing temperature on metal impurities and defects in multi-walled carbon nanotubes (MWNTs) was explored. Furthermore, the annealed MWNTs were dispersed using a sand mill to make a conductive slurry, and finally the cathode LiNi0.5Co0.2Mn0.3O2 was added to the assembled batteries, and the application of MWNTs (slurry) as conductive agents in LiNi0.5Co0.2Mn0.3O2 (NCM) cathode materials by sand-mill dispersion on the performance of lithiu

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Nurhadini and E. Harsiga. "Synthesis of nasicon solid electrolyte from tin tailing sand for sodium batteries applications." IOP Conference Series: Earth and Environmental Science 1419, no. 1 (2024): 012050. https://doi.org/10.1088/1755-1315/1419/1/012050.

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Abstract The use of sodium ion batteries in electrochemical applications is gaining increasing attention due to decreasing lithium reserves. One of the battery component is a solid electrolyte. NASICON electrolyte is a solid electrolyte with the composition Na1+xZr2SixP3-xO12 which has a three-dimensional structure consist of various precursor. Silica is one of the NASICON precursors which can come from tin tailing sand. Therefore, this research aims to synthesis NASICON with a composition ratio (x = 1 and x = 1.5) derived from tin tailing sand by solid state route. Those NASICON is analysed i

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19

Koch, Roland. "Les canons à balles dans l’armée du Rhin en 1870." Revue Historique des Armées 255, no. 2 (2009): 95–107. http://dx.doi.org/10.3917/rha.255.0095.

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Les pertes engendrées par les combats entre l’armée prussienne et l’armée du Rhin en 1870 ne sont pas comparables. Les archives publiées plus de trente ans après les faits par la Revue militaire expliquent, pour partie, la différence sensible entre les belligérants : à Saint-Privat, 1 510 tués ou blessés pour le 6e corps (Canrobert) et 10 500 pour la Garde prussienne et le 12 e corps Saxon, 453 tués et blessés pour le 2 e corps (Frossart) et 4 218 pour la 1 re armée prussienne (Steimetz). C’est l’action des canons à balles décriés par Martin des Pallières « plus de bruits que de besogne ». Con

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20

Barragán-Mantilla, Silvia Patricia, Raquel Ortiz, Patricia Almendros, Laura Sánchez-Martín, Gabriel Gascó, and Ana Méndez. "Advances in the Sustainable Production of Fertilizers from Spent Zinc-Based Batteries." Sustainability 16, no. 10 (2024): 4255. http://dx.doi.org/10.3390/su16104255.

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Wastes from spent batteries are a secondary source of raw materials. To ensure this, it is mandatory to design sustainable and low-cost processes. In the case of alkaline and zinc–carbon-based batteries, the high content of Zn and Mn makes them of interest in the development of fertilizers. The main objective of this research is to study the fertilizers production from spent zinc-based batteries, using sulfuric acid, citric acid (CIT) and glycine (GLY) solutions as leaching agents. Leaching with glycine at alkaline pHs shows a high selectivity of Zn over Mn, whereas the use of citric and sulfu

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Luo, Haocai, and Changming Zhang. "Design of Hybrid Power Chassis System Based on Fuzzy Control." Journal of Physics: Conference Series 2562, no. 1 (2023): 012077. http://dx.doi.org/10.1088/1742-6596/2562/1/012077.

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Abstract For wheeled robots working in environments such as sand and slopes, due to the many ups and downs in the environment, they often encounter working states such as acceleration and climbing. This often requires its power supply to provide instantaneous high power, resulting in a large current discharge of the power supply, which seriously affects its service life. To solve this problem, this paper will use a composite power supply composed of supercapacitors and batteries to supply power to the robot chassis and use fuzzy control to perform closed-loop regulation on the output power of

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Härk, Eneli, and Matthias Ballauff. "Carbonaceous Materials Investigated by Small-Angle X-ray and Neutron Scattering." C 6, no. 4 (2020): 82. http://dx.doi.org/10.3390/c6040082.

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Carbonaceous nanomaterials have become important materials with widespread applications in battery systems and supercapacitors. The application of these materials requires precise knowledge of their nanostructure. In particular, the porosity of the materials together with the shape of the pores and the total internal surface must be known accurately. Small-angle X-ray scattering (SAXS) and small-angle neutron scattering (SANS) present the methods of choice for this purpose. Here we review our recent investigations using SAXS and SANS. We first describe the theoretical basis of the analysis of

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Yang, Jinghao, Fangjie Mo, Jiaming Hu, et al. "Revealing the dynamic evolution of Li filaments within solid electrolytes by operando small-angle neutron scattering." Applied Physics Letters 121, no. 16 (2022): 163901. http://dx.doi.org/10.1063/5.0110830.

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Lithium dendrite (filaments) propagation in solid electrolytes (SEs) leading to short circuits is one of the biggest obstacles to the application of all-solid-state lithium metal batteries. Due to the lack of operando techniques that can provide high resolution, the insufficient knowledge of the lithium dendrite growth inside SEs makes it difficult to suppress the dendrite growth. To reveal the mechanism of the Li filament growth in SEs, we achieved real-time monitoring of the nanoscale Li filament growth by operando small-angle neutron scattering (SANS) in representative Li6.5La3Zr1.5Nb0.5O12

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Novita, Novita, Ramlan Ramlan, Marzuki Naibaho, Masno Ginting, Syahrul Humaidi, and Tulus Na Duma. "Fe2O3 Review: Nanostructure, Synthesis Methods, and Applications." International Journal of Social Service and Research 4, no. 02 (2024): 539–59. http://dx.doi.org/10.46799/ijssr.v4i02.728.

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Iron sand, which contains magnetite iron ore, exhibits unique magnetic properties when exposed to magnetic fields. Iron ore content, including ?-Fe2O3, FeTiO3, Magnetite (Fe3O4), and others, provides potential uses in various industries such as electronics, energy, chemical, ferrofluids, catalysts, and biomedicine. The location of the discovery of iron sand can affect its mineral characteristics and geological conditions. This research aims to develop innovative synthesis methods to produce hematite nanomaterials from iron sand. Nano-size hematite nanoparticles exhibit unique characteristics,

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Harahap, L. M. L., A. Idrus, Ernowo, I. G. Sukadana, Suwahyadi, and T. Handayani. "Mineralogical Distribution and Characteristics of Fe-, Ti-, and V-Bearing Beach Ironsand Deposit in Adikarto Bay Kulonprogo, Yogyakarta, Indonesia." IOP Conference Series: Earth and Environmental Science 1233, no. 1 (2023): 012022. http://dx.doi.org/10.1088/1755-1315/1233/1/012022.

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Abstract Identification of beach sand deposits was carried out in the south coastal area of Adikarto Bay, Kulonprogo, Yogyakarta in Indonesia. A total of 25 points were observed to identify the characteristics and mineralogy of beach sand related to the iron (Fe), titanium (Ti), and vanadium (Fe) bearing minerals that have an important role in the transition of fossil energy into clean energy as an energy storage technology known as Vanadium Redox flow batteries (VRBs) and lithium-vanadium-phosphate batteries [1]. Laboratory analysis was performed by mineral grain analysis, ore microscopy, and

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Liu, Yujing, Xinyong Tao, Yao Wang, et al. "Self-assembled monolayers direct a LiF-rich interphase toward long-life lithium metal batteries." Science 375, no. 6582 (2022): 739–45. http://dx.doi.org/10.1126/science.abn1818.

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High–energy density lithium (Li) metal batteries (LMBs) are promising for energy storage applications but suffer from uncontrollable electrolyte degradation and the consequently formed unstable solid-electrolyte interphase (SEI). In this study, we designed self-assembled monolayers (SAMs) with high-density and long-range–ordered polar carboxyl groups linked to an aluminum oxide–coated separator to provide strong dipole moments, thus offering excess electrons to accelerate the degradation dynamics of carbon-fluorine bond cleavage in Li bis(trifluoromethanesulfonyl)imide. Hence, an SEI with enri

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Pinto, Paulo, Michael McVay, Marc Hoit, and Peter Lai. "Centrifuge Testing of Plumb and Battered Pile Groups in Sand." Transportation Research Record: Journal of the Transportation Research Board 1569, no. 1 (1997): 8–16. http://dx.doi.org/10.3141/1569-02.

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Pile groups are generally used under structures subject to heavy axial loads or large lateral forces with or without scour. The focus in this paper is only on pile groups subject to large lateral forces. Currently, little, if any, full-scale lateral load data exist on pile groups that vary pile head fixity or batter. Reported here is the summary of a series of centrifuge tests on free- and fixed-head plumb and battered pile groups. Influence of pile head constraint, pile spacing, soil density, and vertical dead load is reported for groups ranging from 3 × 3 to 3 × 7 in size. Results reveal a s

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de Margerie, Victoire. "Batteries de véhicules électriques : quelles alternatives à la technologie lithium ion ?" Annales des Mines - Responsabilité et environnement N° 111, no. 3 (2023): 67–68. http://dx.doi.org/10.3917/re1.111.0067.

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L’arrêt d’ici à 2035 de la production des véhicules à moteurs thermiques au profit principalement de véhicules électriques pose le défi des matières premières requises par ces derniers. La très forte croissance actuelle de leur production ne suffira pas pour répondre à la demande, le recyclage, bien qu’essentiel, pas plus, dans la mesure où il n’y aura pas assez de véhicules à recycler à moyen terme et où demeurent des pénuries prévisibles en cuivre et en nickel et des aléas géopolitiques pour le reste. L’acceptabilité de voitures à faible autonomie est limitée. Les innovations technologiques

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Zhao, Yan-Qing, Hong-Yu Wang, Li Qi, Gui-Tian Gao, and Shu-Hua Ma. "“Soggy sand” polymer composite nanofiber membrane electrolytes for lithium ion batteries." Chinese Chemical Letters 24, no. 11 (2013): 975–78. http://dx.doi.org/10.1016/j.cclet.2013.06.018.

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Wang, Dongxu, Tingyu Zhao, and Yingjian Yu. "In/Ga-Doped Si as Anodes for Si–Air Batteries with Restrained Self-Corrosion and Surface Passivation: A First-Principles Study." Molecules 28, no. 9 (2023): 3784. http://dx.doi.org/10.3390/molecules28093784.

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Silicon–air batteries (SABs) are attracting considerable attention owing to their high theoretical energy density and superior security. In this study, In and Ga were doped into Si electrodes to optimize the capability of Si-air batteries. Varieties of Si-In/SiO2 and Si-Ga/SiO2 atomic interfaces were built, and their properties were analyzed using density functional theory (DFT). The adsorption energies of the SiO2 passivation layer on In- and Ga-doped silicon electrodes were higher than those on pure Si electrodes. Mulliken population analysis revealed a change in the average number of charge

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Lemos, Jureth Couto, Samuel do Carmo Lima, Márcia Batista da Costa, and Maria José Magalhães. "LEISHMANIOSE TEGUMENTAR AMERICANA: FAUNA FLEBOTOMÍNICA EM ÁREAS DE TRANSMISSÃO NO MUNICÍPIO DE UBERLÂNDIA, MINAS GERAIS, BRASIL." Caminhos de Geografia 2, no. 3 (2001): 57–73. http://dx.doi.org/10.14393/rcg2315261.

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From October 7th 1999 to January 18th 2001 studies have been developed on the phlebotominic fauna in areas of transmission of american cutaneous leishmaniosis in the County of Uberlândia, Triângulo Mineiro Region in Minas Gerais State, Brazil, from a survey on files of patients who contracted the disease in the County. In order to capture the sand flies it has been used traps of the Shannon type, fed by two 100 Watt gas lights, and lighted-up traps of the type CDC (Center of Disease Control), fed by two 12 Volt batteries. 8657 sand flies have been captured and identified, which are from

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Lamblin, Véronique. "La demande de métaux critiques liés à la mobilité électrique." Futuribles N° 460, no. 3 (2024): 84–92. http://dx.doi.org/10.3917/futur.460.0084.

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La transition écologique et les objectifs de neutralité climatique ont rendu incontournable l’évolution vers la mobilité électrique — via notamment l’abandon programmé de la vente des véhicules thermiques neufs d’ici 2035 en Europe. Toutefois, deux études récentes soulignent l’impact du basculement vers un parc automobile tout-électrique sur la demande de métaux critiques — des matériaux pour lesquels la France comme l’Europe dépendent largement d’approvisionnements étrangers (principalement chinois). Elles présentent toutes les deux divers scénarios d’évolution de cette demande de métaux crit

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Park, Cheol-Young, and Jinwoo Lee. "Collaborative Electronic Structure Modifier for Iron Single-Atom Electrocatalyst in High-Energy, Long-Cycle Lithium-Sulfur Batteries." ECS Meeting Abstracts MA2024-02, no. 1 (2024): 106. https://doi.org/10.1149/ma2024-021106mtgabs.

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In high-energy and long-cycle lithium-sulfur (Li-S) pouch cells, the cathodes often face limitations in their capacities and stability when subjected to practical electrolyte/sulfur (E/S), electrolyte/capacity (E/C), and negative/positive (N/P) ratios. In this study, an advanced cathode incorporating highly active Fe single-atom catalysts (SACs) is presented, enabling the formation of multi-stacked Li-S pouch cells with a total capacity reaching approximately 320.2 Wh/kg at the 1 Ah level. These cells exhibit low E/S (3.0), E/C (2.8), and N/P (2.3) ratios, along with high sulfur loadings of 8.

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Lin, Xueyan, Rishav Kumar Baranwal, Bin Wang, and Zhaoyang Fan. "Single Atom Catalyst Anchored on Nitrogen-Doped Porous Carbon As an Effective Sulfur Host for Lithium-Sulfur Batteries." ECS Meeting Abstracts MA2024-01, no. 6 (2024): 3087. http://dx.doi.org/10.1149/ma2024-0163087mtgabs.

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Lithium-sulfur batteries (LSBs) are considered highly promising for next-generation energy storage due to their high theoretical specific capacity and energy density. However, challenges such as the insulating nature of sulfur cathodes, the detrimental shuttle effect of lithium polysulfides (LiPSs), and sluggish conversion kinetics of LiPSs during charge/discharge cycles impede their commercial viability. In this study, we employed a facile ‘dissolution-carbonization’ approach to synthesize nitrogen-coordinated monometallic atomic catalysts anchored on mesoporous carbon to promote surface-medi

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Yang, Xiaohang, Zhen Feng, and Zhanyong Guo. "Theoretical Investigation on the Hydrogen Evolution, Oxygen Evolution, and Oxygen Reduction Reactions Performances of Two-Dimensional Metal-Organic Frameworks Fe3(C2X)12 (X = NH, O, S)." Molecules 27, no. 5 (2022): 1528. http://dx.doi.org/10.3390/molecules27051528.

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Two-dimensional metal-organic frameworks (2D MOFs) inherently consisting of metal entities and ligands are promising single-atom catalysts (SACs) for electrocatalytic chemical reactions. Three 2D Fe-MOFs with NH, O, and S ligands were designed using density functional theory calculations, and their feasibility as SACs for hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and oxygen reduction reaction (ORR) was investigated. The NH, O, and S ligands can be used to control electronic structures and catalysis performance in 2D Fe-MOF monolayers by tuning charge redistribution. T

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Peng, Peng, Lei Shi, Feng Huo, et al. "A pyrolysis-free path toward superiorly catalytic nitrogen-coordinated single atom." Science Advances 5, no. 8 (2019): eaaw2322. http://dx.doi.org/10.1126/sciadv.aaw2322.

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Nitrogen-coordinated single-atom catalysts (SACs) have emerged as a frontier for electrocatalysis (such as oxygen reduction) with maximized atom utilization and highly catalytic activity. The precise design and operable synthesis of SACs are vital for practical applications but remain challenging because the commonly used high-temperature treatments always result in unpredictable structural changes and randomly created single atoms. Here, we develop a pyrolysis-free synthetic approach to prepare SACs with a high electrocatalytic activity using a fully π-conjugated iron phthalocyanine (FePc)–ri

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Maulinda, TM Zulfikar, Ismet, Vera Viena, and Elvitriana. "Application of Sol-gel Method and Co-Precipitation in the Material Synthesis Process of Magnetite Fe3O4 Nanoparticles." Proceedings of International Conference on Multidiciplinary Research 6, no. 2 (2024): 311–16. https://doi.org/10.32672/picmr.v6i2.1277.

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The development of lithium batteries is one type of research that continues to be developed. Recently, lithium batteries have become the most widely used source of electrical energy as raw materials for the manufacture of lithium batteries. This study aims to compare the synthesis with Co precipitation and sol-gel methods as electrodes in lithium batteries. Nanosized particles were characterized for characterization using (X-ray fluorescence (XRF) and scanning electron microscopy-energy dispersive X-ray (XRD) and (SEM) -EDS). Based on the XRF characterization test, the results showed that the

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Wong, Helen, Tongchao Liu, Mohsen Tamtaji, et al. "Rational Design of Graphene-Supported Single Atom Catalysts for High Performance Lithium-Oxygen Batteries." ECS Meeting Abstracts MA2023-01, no. 7 (2023): 2816. http://dx.doi.org/10.1149/ma2023-0172816mtgabs.

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Aprotic lithium-oxygen batteries (LOBs) have been considered as one of the next-generation battery technologies, due to its ultrahigh theoretical energy density (~3600 Wh kg -1), 5-10 times higher than the state-of-the-art lithium-ion batteries (LIBs), supporting the development of electric vehicles (EVs). However, the battery system suffers from poor cyclability, low round-trip efficiency and inferior rate capability, mainly originated from the inertness of oxygen gas and the poor electrical conductivity of lithium peroxide (Li2O2), leading to the sluggish kinetics of oxygen reduction reactio

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Chaney, RC, KR Demars, L. Zhang, MC McVay, and P. Lai. "Centrifuge Testing of Vertically Loaded Battered Pile Groups in Sand." Geotechnical Testing Journal 21, no. 4 (1998): 281. http://dx.doi.org/10.1520/gtj11367j.

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Bourassa, Nancy, and Patrick Drouin. "Dépouillement terminologique assisté par ordinateur de sites Web spécialisés." Recherches terminologiques (cédérom) 50, no. 4 (2009). http://dx.doi.org/10.7202/019911ar.

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Résumé Nous pouvons tous constater quotidiennement que l’importance d’Internet grandit sans cesse. De nombreux sites traitant de domaines spécialisés sont intéressants du point de vue du terminologue, mais n’ont pas encore fait l’objet d’un dépouillement terminologique. Certains domaines, comme celui de la réservation en ligne, dont les réalisations sont majoritairement électroniques, ne peuvent être dépouillés qu’en faisant appel à une batterie d’outils spécialisés. Dans l’élaboration d’un lexique portant sur le domaine de la « réservation en ligne », réalisé conjointement avec l’Office québé

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Sun, Tingting, Fangduo Huang, Junliang Liu, et al. "Strengthened d‐p Orbital‐Hybridization of Single Atoms with Sulfur Species Induced Bidirectional Catalysis for Lithium–Sulfur Batteries." Advanced Functional Materials, August 17, 2023. http://dx.doi.org/10.1002/adfm.202306049.

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AbstractSingle‐atom catalysts (SACs) have been widely explored as additives to improve the performance of lithium–sulfur (Li–S) batteries, however, the design of highly catalytic and in‐depth knowledge of the structure–activity relationship of SACs remains a huge challenge. Herein, electron redistribution of the Co site by introducing the S atom to replace the N atom in the first coordination shell is theoretically predicted to enhance the anchoring capability of lithium polysulfides (LiPSs) and simultaneously facilitate the redox process of Li–S batteries, due to the strengthened d‐p orbital

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Yuan, Yu, Yile Lu, Tianyue Liang, et al. "Advances in sweat-activated batteries for powering wearable electronics: structures, materials, challenges, and perspectives." Journal of Physics: Energy, November 14, 2024. http://dx.doi.org/10.1088/2515-7655/ad92aa.

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Abstract Flexible wearable devices have gained increasing attention in the field of health and fitness monitoring because of their biocompatibility and ability to collect biomarkers seamlessly and instantly. Consequently, a new research direction has emerged on how to power these portable electronic devices (PEDs). Currently, the majority of wearable electronic devices are powered by lithium-ion batteries (LIBs). However, owing to safety concerns and the bulky size of LIBs, there is a growing demand for sustainable, light, and wearable power supplies. Thus, sweat-activated batteries (SABs) wer

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Xia, Qing, Yanjie Zhai, Lanling Zhao, et al. "Carbon-supported single-atom catalysts for advanced rechargeable metal-air batteries." Energy Materials 2, no. 3 (2022). http://dx.doi.org/10.20517/energymater.2022.13.

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To address the fossil energy crisis and environmental problems, the urgent demand for clean energy has promoted the rapid development of advanced rechargeable metal-air batteries based on the redox reaction couples of gases, such as the oxygen reduction, oxygen evolution, carbon dioxide reduction and carbon dioxide evolution reactions. High-efficiency electrocatalysts are highly desirable to enhance the conversion efficiency of these reactions for enhancing battery performance. Significant advances in single-atom catalysts (SACs) on carbon matrices have been witnessed in recent years as attrac

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Maiti, Sandip, Matthew T. Curnan, Keonwoo Kim, Kakali Maiti, and Jin Kon Kim. "Unlocking Performance: The Transformative Influence of Single Atom Catalysts on Advanced Lithium‐Sulfur Battery Design." Advanced Energy Materials, July 18, 2024. http://dx.doi.org/10.1002/aenm.202401911.

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AbstractTheoretically, lithium–sulfur (Li‐S) batteries are highly promising candidates for renewable energy applications, given their scalable energy density and low cost. However, their current practical performance is limited below theoretical expectations, despite attempts to accommodate volumetric expansion and improve electrical conductivity with porous S‐anchoring supports. Battery performance is primarily rate‐limited by the sluggish redox and conversion reaction kinetics of lithium polysulfides (LiPS), which respectively transform into lithium sulfide (Li2S) and elemental S through cha

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Zhou, Rong, Yongqiang Ren, Weixin Li, et al. "Rare Earth Single‐Atom Catalysis for High‐Performance Li−S Full Battery with Ultrahigh Capacity." Angewandte Chemie, May 18, 2024. http://dx.doi.org/10.1002/ange.202405417.

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Lithium‐sulfur (Li−S) batteries have many advantages but still face problems such as retarded polysulfides redox kinetics and Li dendrite growth. Most reported single atom catalysts (SACs) for Li−S batteries are based on d‐band transition metals whose d orbital constitutes active valence band, which is inclined to occur catalyst passivation. SACs based on 4f inner valence orbital of rare earth metals are challenging for their great difficulty to be activated. In this work, we design and synthesize the first rare earth metal Sm SACs which has electron‐rich 4f inner orbital to promote catalytic

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Zhou, Rong, Yongqiang Ren, Weixin Li, et al. "Rare Earth Single‐Atom Catalysis for High‐Performance Li−S Full Battery with Ultrahigh Capacity." Angewandte Chemie International Edition, May 18, 2024. http://dx.doi.org/10.1002/anie.202405417.

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Lithium‐sulfur (Li−S) batteries have many advantages but still face problems such as retarded polysulfides redox kinetics and Li dendrite growth. Most reported single atom catalysts (SACs) for Li−S batteries are based on d‐band transition metals whose d orbital constitutes active valence band, which is inclined to occur catalyst passivation. SACs based on 4f inner valence orbital of rare earth metals are challenging for their great difficulty to be activated. In this work, we design and synthesize the first rare earth metal Sm SACs which has electron‐rich 4f inner orbital to promote catalytic

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Chen, Jieshuangyang, Rongyu Deng, Jinwei Zhou, Ziang Jiang, Mingzhi Qian, and Feixiang Wu. "Effects of SiO2 Particle Size in Soggy‐Sand Electrolyte on Electrochemical Performance of Zinc‐Ion Batteries." Batteries & Supercaps, August 7, 2024. http://dx.doi.org/10.1002/batt.202400404.

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The presence of free water molecules in the aqueous electrolyte leads to serious side reactions at the interface, easy dissolution of the cathode material, and uncontrolled growth of zinc dendrites in Zn‐ion batteries, which hinders their practical applications. Here, we propose a type of SiO2‐based soggy‐sand electrolyte (ZnSO4+MnSO4 electrolyte with SiO2, SiO2‐ZMSO4) and focus on the effect of the SiO2 nanoparticle size on the performance of soggy‐sand electrolyte. It is found that SiO2 with smaller nanoparticle size provides higher porosity, and the SiO2 network‐formed can effectively trap

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Wu, Siyi, Chenhui Wang, Haikuan Liang, et al. "High‐Throughput Calculations for Screening d‐ and p‐Block Single‐Atom Catalysts toward Li₂S/Na₂S Decomposition Guided by Facile Descriptor beyond Brønsted–Evans–Polanyi Relationship." Small, August 28, 2023. http://dx.doi.org/10.1002/smll.202305161.

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AbstractSingle‐atom catalysts (SACs) are promising cathode materials for addressing issues faced by lithium–sulfur batteries. Considering the ample chemical space of SACs, high‐throughput calculations are efficient strategies for their rational design. However, the high throughput calculations are impeded by the time‐consuming determination of the decomposition barrier (Eb) of Li2S. In this study, the effects of bond formation and breakage on the kinetics of SAC‐catalyzed Li2S decomposition with g‐C3N4 as the substrate are clarified. Furthermore, a new efficient and easily‐obtained descriptor

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Chen, Yashi, Mingyuan Yu, Erjun Kan, Si Lan, and Cheng Zhan. "Revisiting the Oxygen Reduction Reaction Activity of Two-Dimensional TM-C2N Electrocatalysts via Constant-Potential Density Functional Theory: Crucial Impact of Spin State and Coordination." Catalysis Science & Technology, 2025. https://doi.org/10.1039/d4cy01210k.

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Single atom catalysts (SACs) have shown great potentiality in catalyzing the oxygen reduction reaction (ORR) in fuel cell batteries. In the carbon-based SACs, besides the most representative TM-N4-C, other 2D...

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50

Zhou, Rong, Shaonan Gu, Meng Guo, Shuzheng Xu, and Guowei Zhou. "Progresses and Prospects of Asymmetrically Coordinated Single Atom Catalysts for Lithium−Sulfur Batteries." ENERGY & ENVIRONMENTAL MATERIALS, February 11, 2024. http://dx.doi.org/10.1002/eem2.12703.

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Lithium–sulfur batteries (LSBs) are widely regarded as promising next‐generation batteries due to their high theoretical specific capacity and low material cost. However, the practical applications of LSBs are limited by the shuttle effect of lithium polysulfides (LiPSs), electronic insulation of charge and discharge products, and slow LiPSs conversion reaction kinetics. Accordingly, the introduction of catalysts into LSBs is one of the effective strategy to solve the issues of the sluggished LiPS conversion. Because of their nearly 100% atom utilization and high electrocatalytic activity, sin

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