Artículos de revistas sobre el tema "Carbonitride Anodes"

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1

Feng, Yan, Yuzhen Wei, Zhe Jia, Yuliang Zhang, Vincent Battaglia y Gao Liu. "Polymer-Derived and Sodium Hydroxide-Treated Silicon Carbonitride Material as Anodes for High Electrochemical Performance Li-ion Batteries". ChemistrySelect 1, n.º 2 (febrero de 2016): 309–17. http://dx.doi.org/10.1002/slct.201600046.

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Naguib, Michael, Ryan A. Adams, Yunpu Zhao, Dmitry Zemlyanov, Arvind Varma, Jagjit Nanda y Vilas G. Pol. "Electrochemical performance of MXenes as K-ion battery anodes". Chemical Communications 53, n.º 51 (2017): 6883–86. http://dx.doi.org/10.1039/c7cc02026k.

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Ouakki, Moussa, Hoyam Chahmout, Sarra Sibous, Mouhsine Galai, Zakaria Benzakri, Saïd Boukhris, Abdelaziz Souizi y Mohammed Cherkaoui. "Novel pyrazole derivatives as inhibitors of stainless steel in 2.0M H2SO4 media: Electrochemical Study". Mediterranean Journal of Chemistry 10, n.º 3 (16 de marzo de 2020): 239–52. http://dx.doi.org/10.13171/mjc02003161235mo.

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Metallic materials are well known and widely used in various industrial sectors. However, they can be easily corroded in various aggressive environments. The protective action of stainless steel by two organic pyrazole compounds: {1-amino-5,10-dioxo-3-(p-tolyl)-5,10-dihydro-1H-pyrazolo[1,2-b]phthalazine-2-carbonitrile} and {1-amino-3-(2-chlorophenyl)-5,10-dioxo-5,10-dihydro-1H-pyrazolo[1,2-b] phthalazine-2-carbonitrile} in H2SO4 2.0M medium was studied using the electrochemical technics (Electrochemical Impedance Spectroscopy (EIS), potentiodynamic polarization), Scanning Electron Microscopy (SEM) and Energy Dispersion X-ray spectroscopy (EDX). Polarization curves indicate that both compounds act as anodic inhibitors. A suitable equivalent electrical circuit model was used to calculate the impedance parameters. The adsorption study showed that these compounds are adsorbed to the steel surface according to the adsorption isotherm of Langmuir. Effect of temperature was also investigated and activation parameters were evaluated.
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4

Chen, Yong, Cheng Li, Yiguang Wang, Qing Zhang, Chengying Xu, Bingqing Wei y Linan An. "Self-assembled carbon–silicon carbonitride nanocomposites: high-performance anode materials for lithium-ion batteries". Journal of Materials Chemistry 21, n.º 45 (2011): 18186. http://dx.doi.org/10.1039/c1jm13733f.

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5

Xu, Deqin, Hehe Jiang, Zhenyan Liang, Zhen Kong, Shengfu Liu, Lequan Deng, Yongliang Shao, Yongzhong Wu y Xiaopeng Hao. "Na0.76V6O15@Boron Carbonitride Nanotube Composites as Cathodes for High-Performance Lithium-Ion Capacitors". Crystals 12, n.º 5 (24 de abril de 2022): 597. http://dx.doi.org/10.3390/cryst12050597.

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Lithium-ion capacitors (LICs) are considered one of the most promising new-generation energy storage devices because they combine the advantages of lithium-ion batteries and supercapacitors. However, the widely used commercial carbon cathode greatly limits the electrochemical performance of existing LICs due to its limited specific capacity. Improving the specific capacity of the cathode is one of the keys to solving this problem. To this end, the Na0.76V6O15 (NaVO)@boron carbonitride nanotube (BCNNT) cathode has been successfully synthesized via a facile solid phase reaction and hydrothermal reaction followed by annealing. Benefitting from the synergy between the high conductivity of BCNNTs and the high capacity of NaVO, the NaVO@BCN cathode exhibits excellent capacity and good cyclic stability. A LIC was assembled by a prefabricated NaVO@BCN cathode and a prelithiated commercial hard carbon (HC) anode. Notably, the NaVO@BCN−1//HC LIC delivered an energy density of 238.7 Wh kg−1 at 200 W kg−1 and still delivered 81.9 Wh kg−1 even at 20 kW kg−1. Therefore, our strategy provides a novel idea for designing high-performance LICs.
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6

Feng, Yan, Shuming Dou, Yuzhen Wei, Yuliang Zhang, Xiangyun Song, Xifei Li y Vincent S. Battaglia. "Preparation and Capacity-Fading Investigation of Polymer-Derived Silicon Carbonitride Anode for Lithium-Ion Battery". ACS Omega 2, n.º 11 (17 de noviembre de 2017): 8075–85. http://dx.doi.org/10.1021/acsomega.7b01462.

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7

Zhu, X. P., Tsuneo Suzuki, Hisayuki Suematsu, Wei Hua Jiang y Koichi Niihara. "Nitride Formation on Titanium under Irradiation of Intense Pulsed Ion Beam". Materials Science Forum 510-511 (marzo de 2006): 17–21. http://dx.doi.org/10.4028/www.scientific.net/msf.510-511.17.

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Nitriding of titanium was achieved in a vacuum of ~2×10-2 Pa by applying intense pulsed ion beam (IPIB) irradiation. Various phases including ‘pure’ nitrides (e.g. Ti2N, TiN) as well as carbonitrides (e.g. TiC0.3N0.7) were found on the IPIB-irradiated surfaces that depended on the ion beam intensity, shot number, and sample position with respect to the ion beam axis. It was found that the nitrides were preferably produced at moderate beam intensity by which the nitriding depth increased greatly with multi-shot irradiation. No or less nitrides were produced under irradiation of very high intensity or less number of shots. It is demonstrated that the IPIB nitriding process is very efficient even in vacuum where the residual N2 can readily react with melted Ti surfaces under IPIB irradiation. The origin of incorporated C in the nitrides is mainly attributed to the anode material of ion diode used in the IPIB apparatus.
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8

Ducki, Kazimierz J., Jacek Mendala y Lilianna Wojtynek. "TEM and X-Ray Examinations of Intermetallic Phases and Carbides Precipitation in an Fe-Ni Superalloy during Prolonged Ageing". Solid State Phenomena 212 (diciembre de 2013): 15–20. http://dx.doi.org/10.4028/www.scientific.net/ssp.212.15.

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The influence of prolonged ageing on the precipitation process of the secondary phases in an Fe-Ni superalloy of A-286 type has been studied. The samples were subjected to a solution heat treatment at 980°C for 2 h and water quenched, and then aged at temperatures of 715, 750 and 780°C at holding times from 0.5 to 500 h. Structural investigations were conducted using TEM and X-ray diffraction methods. The X-ray phase analyses performed on the isolates were obtained by anodic dissolution of the solid samples. After solution heat treatment the alloy has the structure of twinned austenite with a small amount of undissolved precipitates, such as carbide TiC, carbonitride TiC0.3N0.7, nitride TiN0.3, carbosulfide Ti4C2S2, Laves phase Ni2Si, and boride MoB. The application of ageing causes precipitation processes of γ-Ni3(Al,Ti), G (Ni16Ti6Si7), η (Ni3Ti), β (NiTi) and σ (Cr0.46Mo0.40Si0.14) intermetallic phases, as well as the carbide M23C6. It was found that the main phase precipitating during alloy ageing was the γ intermetallic phase.
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9

Aliofkhazraei, M. y A. Sabour Rouhaghdam. "Study of anodic voltage on properties of complex nanocrystalline carbonitrided titanium fabricated by duplex treatments". Materials Research Innovations 14, n.º 2 (abril de 2010): 177–82. http://dx.doi.org/10.1179/143307510x12639910071836.

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10

Sharafi-Kolkeshvandi, Mahnaz, Davood Nematollahi, Firozeh Pouladi y Pouria Patoghi. "Electrochemical synthesis of some 2-aminobenzofuran-3-carbonitrile and 2-aminobenzofuran-3-carboxylate derivatives: product diversity by changing the applied current density". New Journal of Chemistry 42, n.º 18 (2018): 14876–82. http://dx.doi.org/10.1039/c8nj02486c.

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Green syntheses of two different series of new benzofuran derivatives were carried out by anodic oxidation of 4,4′-biphenol (4BP) in the presence of some CH-acid compounds (malononitrile, methyl cyanoacetate and ethyl cyanoacetate) as nucleophiles by controlling the potential during electrolysis.
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11

Jacobo, L. R., R. García, V. H. López y A. Contreras. "Electrochemical Assessment of X70 Steel With Non-Conventional Heat Treatment". MRS Advances 2, n.º 50 (2017): 2819–29. http://dx.doi.org/10.1557/adv.2017.518.

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ABSTRACTCorrosion behavior of an API X70 steel by potentiodynamic polarization curves was carried out. X70 steel was heat treated at a temperature of 1050°C (onset temperature solution of niobium carbonitrides) for 15 and 30 minutes hold followed by quenching in water. Test solutions for electrochemical evaluation were NS4 solution and congenital water (CW) to assess external and internal corrosion pipelines respectively. The polarization curves were performed within a range of -500mV to 1000mV for NS4 solution and the -500mV to 600mV by congenital water respect to open circuit potential (OCP) at a scan rate of 1mV/s. The tests were conducted at room temperature. The surfaces of the samples were observed by scanning electron microscope (SEM). A localized corrosion type was observed. According to polarization curves it can be observed that oxidation reaction in the anodic branch belongs to a charge transfer process. Cathodic branches reveal a process where the charge transfer resistance is influenced by a process of mass transfer. The non-conventional heat treatment improved the corrosion resistance compared to as received material.
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12

Feng, Ningning, Yan Feng, Yuzhen Wei y Xiaopu Zhou. "Preparation and electrochemical performance of a porous polymer-derived silicon carbonitride anode by hydrofluoric acid etching for lithium ion batteries". RSC Advances 4, n.º 45 (2014): 23694. http://dx.doi.org/10.1039/c4ra01086h.

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13

Li, Ming, Huajie Wu y Yanhui Sun. "Corrosion Performance of Welded Joints for E40 Marine Steel". Metals 13, n.º 9 (28 de agosto de 2023): 1528. http://dx.doi.org/10.3390/met13091528.

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Marine steel requires excellent toughness and corrosion resistance in a low-temperature seawater environment. In this study, corrosion tests on E40 steel were performed, including electrochemical testing of the weld metal and heat-affected zone, dynamic corrosion testing in a simulated seawater environment, and the analysis and comparison of results obtained using different methods. The corrosion resistance of E40 was determined by measuring the saturation current density of the anodic dissolution of the steel in a corrosive medium by an electrochemical method. Under laboratory conditions, the corrosion resistance was investigated under simulated seawater. The results showed that regions with uneven microhardness corresponded to the inhomogeneity of the corrosion potential, with measured fluctuations of up to 40 mV. Nanoscale corrosive–aggressive non-metallic inclusions served as a substrate for the deposition of titanium and niobium carbonitrides, thereby weakening the corrosion resistance. The corrosion rate of the base metal was 1.16–1.64 mm/year, which was slightly higher than that of the heat-affected zone. The influence of deposition on the corrosion performance of welded joints under different deoxygenation processes was studied, and the deposition composition was controlled by a deoxygenation process to improve the corrosion resistance of the steel plate.
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14

Wei, Xudong y Bernd Speiser. "Ring formation from 2-arylazo-3-aminocrotononitriles to 1,2,3[2H]-triazole-4-carbonitriles and pyrazoles by anodic oxidation". Electrochimica Acta 42, n.º 1 (enero de 1997): 73–79. http://dx.doi.org/10.1016/0013-4686(96)00168-5.

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15

Noor, Umar, Muhammad Furqan Mughal, Toheed Ahmed, Muhammad Fayyaz Farid, Muhammad Ammar, Umme Kulsum, Amna Saleem et al. "Synthesis and Applications of MXene-based Composites: A Review". Nanotechnology, 27 de marzo de 2023. http://dx.doi.org/10.1088/1361-6528/acc7a8.

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Abstract Recently, there has been considerable interest in a new family of transition metal carbides, carbonitrides, and nitrides referred to as MXenes (Ti3C2Tx) due to the variety of their elemental compositions and surface terminations that exhibit many fascinating physical and chemical properties. As a result of their easy formability, MXenes may be combined with other materials, such as polymers, oxides, and carbon nanotubes, which can be used to tune their properties for various applications. As is widely known, MXenes and MXene-based composites have gained considerable prominence as electrode materials in the energy storage field. In addition to their high conductivity, reducibility, and biocompatibility, they have also demonstrated outstanding potential for applications related to the environment, including electro/photocatalytic water splitting, photocatalytic carbon dioxide reduction, water purification, and sensors. This review discusses MXene-based composite used in anode materials, while the electrochemical performance of MXene-based anodes for Li-based batteries (LiBs) is discussed in addition to key findings, operating processes, and factors influencing electrochemical performance.
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16

Cheng, Renfei, Tao Hu, Zuohua Wang, Jinxing Yang, Ruqiao Dai, Weizhen Wang, Cong Cui et al. "Understanding Charge Storage in Nb2CTx MXene as Anode Material for Lithium Ion Batteries". Physical Chemistry Chemical Physics, 2021. http://dx.doi.org/10.1039/d1cp03070a.

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MXenes represent an emerging family of two-dimensional materials of transition metal carbides/carbonitrides terminated with functional groups like O, OH, and F on the chemically active surface of MX slabs. As...
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17

Kiesler, D., T. Bastuck, R. Theissmann y F. E. Kruis. "Plasma synthesis of titanium nitride, carbide and carbonitride nanoparticles by means of reactive anodic arc evaporation from solid titanium". Journal of Nanoparticle Research 17, n.º 3 (marzo de 2015). http://dx.doi.org/10.1007/s11051-015-2967-8.

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