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Articoli di riviste sul tema "Electrolytes"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 25 luglio 2025

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1

Şahin, Mustafa Ergin. "An Overview of Different Water Electrolyzer Types for Hydrogen Production." Energies 17, no. 19 (2024): 4944. http://dx.doi.org/10.3390/en17194944.

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Abstract (sommario):
While fossil fuels continue to be used and to increase air pollution across the world, hydrogen gas has been proposed as an alternative energy source and a carrier for the future by scientists. Water electrolysis is a renewable and sustainable chemical energy production method among other hydrogen production methods. Hydrogen production via water electrolysis is a popular and expensive method that meets the high energy requirements of most industrial electrolyzers. Scientists are investigating how to reduce the price of water electrolytes with different methods and materials. The electrolysis
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2

Jansonius, Ryan, Marta Moreno, and Benjamin Britton. "High Performance AEM Water Electrolysis with Aemion® Membranes." ECS Meeting Abstracts MA2022-01, no. 39 (2022): 1723. http://dx.doi.org/10.1149/ma2022-01391723mtgabs.

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By 2030 up to 50% of energy is expected to be carried in the bonds of H2. Global electrolysis capacity must increase from the current 240 MW to an anticipated 300 GW in 2030 and 3500 GW in 2050 to enable this transition. Alkaline and PEM electrolyzers are commercially mature with the currently market share of new installations roughly an equal split between these technologies. However, each of these electrolyzers are associated with challenges – alkaline electrolyzers operate at low current density, and require high concentration electrolytes (30 wt% KOH) to conduct hydroxides through the poro
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3

Kee, Robert J., Huayang Zhu, Sandrine Ricote, and Greg Jackson. "(Invited) Mixed Conduction in Ceramic Electrolytes For Intermediate-Temperature Fuel Cells and Electrolyzers." ECS Meeting Abstracts MA2023-02, no. 46 (2023): 2216. http://dx.doi.org/10.1149/ma2023-02462216mtgabs.

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High-temperature fuel cells and electrolyzers (e.g., T > 700 ˚C) rely on oxide electrolytes such as stabilized cubic zirconia that conduct a single defect, oxygen vacancies. Intermediate-temperature electrochemical cells (e.g., T < 650 ˚C) utilize mixed conducting ceramic electrolytes, that conduct multiple defects. Operating at T < 600 ˚C facilitates lower-cost interconnect materials and balance-of-plant components, but the mixed conductor behavior can reduce fuel cell voltages and lower electrolyzer faradaic efficiencies. Predicting behavior of these mixed conductors, even at open-c
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4

Aquigeh, Ivan Newen, Merlin Zacharie Ayissi, and Dieudonné Bitondo. "Multiphysical Models for Hydrogen Production Using NaOH and Stainless Steel Electrodes in Alkaline Electrolysis Cell." Journal of Combustion 2021 (March 19, 2021): 1–11. http://dx.doi.org/10.1155/2021/6673494.

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The cell voltage in alkaline water electrolysis cells remains high despite the fact that water electrolysis is a cleaner and simpler method of hydrogen production. A multiphysical model for the cell voltage of a single cell electrolyzer was realized based on a combination of current-voltage models, simulation of electrolyzers in intermittent operation (SIMELINT), existing experimental data, and data from the experiment conducted in the course of this work. The equipment used NaOH as supporting electrolyte and stainless steel as electrodes. Different electrolyte concentrations, interelectrode g
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5

Gerhardt, Michael Robert, Alejandro O. Barnett, Thulile Khoza, et al. "An Open-Source Continuum Model for Anion-Exchange Membrane Water Electrolysis." ECS Meeting Abstracts MA2023-01, no. 36 (2023): 2002. http://dx.doi.org/10.1149/ma2023-01362002mtgabs.

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Abstract (sommario):
Anion-exchange membrane (AEM) electrolysis has the potential to produce green hydrogen at low cost by combining the advantages of conventional alkaline electrolysis and proton-exchange membrane electrolysis. The alkaline environment in AEM electrolysis enables the use of less expensive catalysts such as nickel, whereas the use of a solid polymer electrolyte enables differential pressure operation. Recent advancements in AEM performance and lifetime have spurred interest in AEM electrolysis, but many open research areas remain, such as understanding the impacts of water transport in the membran
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6

Ovechenko, Dmitry, and Alexander Boychenko. "Transformation of the Nanoporous Structure of Anodic Aluminium Oxide and its “Nonelectrolysis” Electroluminescence." Solid State Phenomena 312 (November 2020): 166–71. http://dx.doi.org/10.4028/www.scientific.net/ssp.312.166.

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On a film of aluminum oxide (Al2O3) formed by electrolytic oxidation in distilled water (DW), the growth, transformation of its nanoporous structure, and the generation of electroluminescence (EL) in ketones and related compounds containing carbonyl groups were studied. For those contributing to the brightest EL – acetylacetone and methylpyrrolidone, it was found that the processes described in these electrolytes proceed with the highest intensity. Under the same electrolytes and conditions, similar processes, but with a lower intensity, proceed for A2O3 formed on pure aluminum. It was found t
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7

Ashraf, Juveiriah M., Myriam Ghodhbane, and Chiara Busa. "The Effect of Ionic Carriers and Degree of Solidification on the Solid-State Electrolyte Performance for Free-Standing Carbon Nanotube Supercapacitor." ECS Meeting Abstracts MA2022-02, no. 7 (2022): 2490. http://dx.doi.org/10.1149/ma2022-0272490mtgabs.

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To eliminate electrolyte leakage, the development of safe and flexible supercapacitors necessitates solid-state electrolytes which integrate both high mechanical and electrochemical capabilities. Quasi-solid-state electrolytes, which constitute a polymer matrix along with an aqueous electrolytic phase, are a viable answer to this problem. Recently, gel electrolytes have gained a lot of attention in flexible and wearable electronic devices due to their remarkable advancements. However, the limitation in the multi-functional abilities and high-performance in such gels hinders the practical usage
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8

Kumar Gupta, Pankaj, Akshay Dvivedi, and Pradeep Kumar. "Effect of Electrolytes on Quality Characteristics of Glass during ECDM." Key Engineering Materials 658 (July 2015): 141–45. http://dx.doi.org/10.4028/www.scientific.net/kem.658.141.

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Abstract (sommario):
Electrochemical discharge machining (ECDM) is an ideal process for machining of nonconductive materials in micro-domain. The material removal takes place due to combined action of localised sparks and electrolysis in an electrolytic chamber. The electrolyte is most important process parameter for ECDM as it governs spark action as well as electrolysis. This article presents a comparison of three preferred electrolytes used in ECDM viz. NaCl, KOH and NaOH on drilling of glass workpiece material. The quality characteristics measured are material removal rate (MRR) and hole overcut. Results revea
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9

Prokhorov, Konstantin, Alexander Burdonov, and Peter Henning. "Study of flow regimes and gas holdup in a different potentials medium in an aerated column." E3S Web of Conferences 192 (2020): 02013. http://dx.doi.org/10.1051/e3sconf/202019202013.

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Abstract (sommario):
A generation of hydrogen and oxygen bubbles by of aqueous solutions of electrolytes was carried out. Two electrolysis modifications was study: electrolysis without a membrane to production of oxygen and hydrogen and membrane electrolysis with separation of catholyte and anolyte. The influence of the model conditions of the experiment such as electrolyte pH, concentration, and current density and the distribution of bubble sizes and gas holdup in the column are discussed. An inverse dependence of the hydrogen bubbles diameter in the catholyte medium on the current density and a direct dependenc
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10

Li, Pengsong, Shiyuan Wang, Imran Ahmed Samo, et al. "Common-Ion Effect Triggered Highly Sustained Seawater Electrolysis with Additional NaCl Production." Research 2020 (September 24, 2020): 1–9. http://dx.doi.org/10.34133/2020/2872141.

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Developing efficient seawater-electrolysis system for mass production of hydrogen is highly desirable due to the abundance of seawater. However, continuous electrolysis with seawater feeding boosts the concentration of sodium chloride in the electrolyzer, leading to severe electrode corrosion and chlorine evolution. Herein, the common-ion effect was utilized into the electrolyzer to depress the solubility of NaCl. Specifically, utilization of 6 M NaOH halved the solubility of NaCl in the electrolyte, affording efficient, durable, and sustained seawater electrolysis in NaCl-saturated electrolyt
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11

Krasnova, E. V., Yu A. Morgunov, B. P. Saushkin, I. A. Slyusar, and S. A. Smeyan. "Effect of Aqueous Electrolyte Composition on Efficiency of Electrochemical Post-Processing of Additive Manufacturing Products from Ti-6Al-4V Alloy Obtained by Selective Electron Beam Melting." Elektronnaya Obrabotka Materialov 60, no. 5 (2024): 1–12. http://dx.doi.org/10.52577/eom.2024.60.5.01.

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The influence of the anionic composition of an aqueous electrolyte on the efficiency of the electrochemical leveling of the initial microgeometry of samples obtained by the selective electron beam melting (SEBM) at the following mode parameters was studied: current density – 20 A/cm2, initial interelectrode gap – 0.3 mm, average speed of electrolyte pumping – 12 m/c. Aqueous solutions of sodium chloride, nitrate, perchlorate and bisalt electrolytes based on them were studied. It was that aqueous solutions of sodium perchlorate have the best microleveling properties among the studied working me
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12

Mirzoyeva, Amina A., and Ikhtiyar B. Bakhtiyarli. "ELECTROLYTIC SEPARATION OF SELENIUM FROM LEAD ADMIXTURES." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 60, no. 3 (2017): 67. http://dx.doi.org/10.6060/tcct.2017603.5436.

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In this article the electrochemical methods were developed for selenium separation from the lead admixtures in technical selenium which was obtained at the refining the anodic muds from Shchelkovo combinate at the use of nitro-acidic and sulfur-acidic electrolytes. At the optimal conditions of carrying out the electrolysis under using nitrogen acidic electrolytes almost all lead is precipitated on the anode and, accordingly, it is separated from selenium. Later, after separation of the main mass of lead, the precipitation of selenium on the cathode was carried out. According to technology prop
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13

Park, Habin, Hui Min Tee, Parin Shah, Chandler Dietrich, and Paul Kohl. "Durability and Performance of Poly(norbornene) Membranes and Ionomers in Alkaline Electrolyzers." ECS Meeting Abstracts MA2023-01, no. 36 (2023): 2029. http://dx.doi.org/10.1149/ma2023-01362029mtgabs.

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Abstract (sommario):
Ion conducting polymer electrolytes provide an enabling technology for low-temperature alkaline electrolyzers. The critical parameters of solid polymer electrolytes include ionic conductivity, ion selectivity, chemical resistance and dimensional stability in the presence of excess water. High pH operation using anion conductive polymer electrolytes has several potential advantages over acid-based polymer devices including low-cost catalysts, hydrocarbon (non-perfluorinated) polymer, and low cost cell components. In this study, a family of hydroxide conducting, poly(norbornene) solid polymer el
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14

Rudenko, A. V., A. A. Kataev, O. Yu Tkacheva, Yu P. Zaykov, A. A. Pyanykh, and G. V. Arkhipov. "Viscosity of conventional cryolite-alumina melts." Izvestiya Vuzov. Tsvetnaya Metallurgiya (Universities' Proceedings Non-Ferrous Metallurgy) 27, no. 6 (2021): 4–11. http://dx.doi.org/10.17073/0021-3438-2021-6-4-11.

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The study covers the viscosity of NaF–AlF3–CaF2–Al2O3 conventional cryolite-alumina melts with a cryolite ratio CR = 2.3 depending on the CaF2, Al2O3 content and temperature. The viscosity of cryolite-alumina electrolyte samples prepared under laboratory conditions and electrolyte samples of industrial electrolytic cells was measured by the rotary method using the FRS 1600 rheometer («Anton Paar», Austria). The laminar flow region of the melt determined according to the dependence of viscosity on shear rate at a constant temperature was 10–15 s–1 for all the studied samples. The temperature de
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15

Gad, M. S., A. K. El Soly, Subhav Singh, Kamal Sharma, Saurav Dixit, and Md irfanul Haque Siddiqui. "Examining oxyhydrogen gas generation experimentally using wet cell design." PLOS One 20, no. 6 (2025): e0324921. https://doi.org/10.1371/journal.pone.0324921.

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Oxyhydrogen (HHO) gas, which is created when water is electrolyzed using a dry cell electrolyzer, is becoming more and more popular as a new energy source because of its improved combustion properties. The creation of HHO wet cell is the primary goal of the current study in order to maximize gas flow rate and improve electrolyzer efficiency compared to dry cell. An inexpensive electrolyzer made of local obtainable parts was used to create HHO. Stainless steel 316L electrodes having a surface area of 136.5 cm2 and 4 mm distance between plates were used to generate HHO gas. Various concentration
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16

Abellán, Gonzalo, Vicent Lloret, and Alvaro Seijas Da Silva. "(Invited) Accelerated Three Electrode Cell (TEC) Testing for Optimizing Electrodes in Conventional Alkaline Electrolysis and Anion Exchange Membrane Water Electrolysis." ECS Meeting Abstracts MA2024-01, no. 28 (2024): 1486. http://dx.doi.org/10.1149/ma2024-01281486mtgabs.

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Abstract (sommario):
The merging of conventional Alkaline Electrolysis (AEL) and Proton Exchange Membrane Water Electrolysis (PEMWE) has led to the development of Anion Exchange Membrane Water Electrolysis (AEMWE). At this juncture, both AEL and AEMWE technologies offer an advantage over PEMWE as they do not require critical raw components and materials (CRM).[1] While AEMWE has demonstrated higher efficiencies than AEL with thin membranes and low concentrations of KOH, AEL technology addresses the significant stability challenge posed by anionic membranes by employing KOH electrolyte with novel zero-gap configura
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17

Lee, Jong-Ho, Junseok Kim, Sihyuk Choi, et al. "Enhanced Sintering of Refractory Protonic Ceramic Electrolyte by Dual Phase Reaction." ECS Meeting Abstracts MA2024-02, no. 48 (2024): 3380. https://doi.org/10.1149/ma2024-02483380mtgabs.

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Proton conducting oxides, commonly used as electrolytes in ceramic electrochemical cells, boast remarkable proton conductivity, facilitating efficient energy conversion. However, their refractory nature presents challenges in achieving the ideal electrolyte structure and properties. Our novel approach utilizes reaction sintering to effectively lower the electrolyte's sintering temperature, resulting in stable and excellent electrolytic properties. This method transforms a two-phase mixture (comprising fast and slow-sintering phases) into a single-phase compound and densifies the electrolyte in
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18

Chen, H. L., and Y. X. Zhang. "Eco-friendly oxalic acid and citric acid mixed electrolytes using for plasma electrolytic polishing 304 stainless steel." Journal of Physics: Conference Series 2345, no. 1 (2022): 012029. http://dx.doi.org/10.1088/1742-6596/2345/1/012029.

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Abstract The traditional of mixed electrolyte of H2SO4 and H3PO4 widely used in electropolishing 304 stainless steel. Due to environmental protection and safety issues, there is an urgent need to develop more environmentally friendly electrolytes. In this study, 304 stainless steel was electropolished by plasma electropolishing using a mixed electrolyte of oxalic acid and citric acid, which are environmentally friendly electrolytes. The mixed electrolyte concentration of oxalic acid and citric acid were 0.01 M, 0.05M, 0.1M, 0.3M and 0.5 M, respectively. The volume mixing percentage is adjusted
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19

Kohl, Paul, Mrinmay Mandal, Mengjie Chen, Habin Park, and Parin Shah. "(Invited) Anion Conducting Solid Polymer Ionomers Electrolytes for Fuel Cells and Electrolyzers." ECS Meeting Abstracts MA2022-02, no. 46 (2022): 1718. http://dx.doi.org/10.1149/ma2022-02461718mtgabs.

Testo completo
Abstract (sommario):
Ion conducting polymer electrolytes provide an enabling technology for the creation of low temperature fuel cells, hydrogen producing water electrolyzers, and flow batteries. The critical parameters of solid polymer electrolytes include ionic conductivity, ion selectivity, chemical resistance and dimensional stability in the presence of excess water. High pH operation using anion conductive polymer electrolytes has several potential advantages over acid-based polymer devices including low-cost catalysts, hydrocarbon (non-perfluorinated) polymer, and low cost cell components. However, the ident
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20

Rakhadilov, B. K., D. R. Baizhan, Zh B. Sagdoldina, and K. Torebek. "Research of regimes of applying coats by the method of plasma electrolytic oxidation on Ti-6Al-4V." Bulletin of the Karaganda University. "Physics" Series 105, no. 1 (2022): 99–106. http://dx.doi.org/10.31489/2022ph1/99-106.

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In this work, ceramic coatings were formed on Ti6Al4V titanium alloy using a technique of plasma electrolytic oxidation. Plasma electrolytic oxidation was carried out in electrolytes with different chemical compositions and the effect of the electrolyte on the macro-and microstructure, pore size, phase composition and wear resistance of coatings was estimated. Three types of electrolytes based on sodium compounds were used, including phosphate, hydroxide, and silicate. The composition of the electrolyte affects the intensity and size of microcharges and the volume of gas release of various ele
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21

Lee, Seokhee, Sang Won Lee, Suji Kim, and Tae Ho Shin. "Recent Advances in High Temperature Electrolysis Cells using LaGaO3-based Electrolyte." Ceramist 24, no. 4 (2021): 424–37. http://dx.doi.org/10.31613/ceramist.2021.24.4.06.

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High temperature electrolysis is a promising option for carbon-free hydrogen production and huge energy storage with high energy conversion efficiencies from renewable and nuclear resources. Over the past few decades, yttria-stabilized zirconia (YSZ) based ion conductor has been widely used as a solid electrolyte in solid oxide electrolysis cells (SOECs). However, its high operation temperature and lower conductivity in the appropriate temperature range for solid electrochemical devices were major drawbacks. Regarding improving ionic-conducting electrolytes, several groups have contributed sig
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22

Lee, Seokhee, Sang Won Lee, Suji Kim, and Tae Ho Shin. "Recent Advances in High Temperature Electrolysis Cells using LaGaO3-based Electrolyte." Ceramist 24, no. 4 (2021): 424–37. http://dx.doi.org/10.31613/ceramist.2021.24.4.42.

Testo completo
Abstract (sommario):
High temperature electrolysis is a promising option for carbon-free hydrogen production and huge energy storage with high energy conversion efficiencies from renewable and nuclear resources. Over the past few decades, yttria-stabilized zirconia (YSZ) based ion conductor has been widely used as a solid electrolyte in solid oxide electrolysis cells (SOECs). However, its high operation temperature and lower conductivity in the appropriate temperature range for solid electrochemical devices were major drawbacks. Regarding improving ionic-conducting electrolytes, several groups have contributed sig
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23

Park, Habin, Chenyu Li, and Paul Kohl. "Durability and Performance of Poly(norbornene) Anion Exchange Membrane Alkaline Electrolyzer with High Ionic Strength Anolyte." ECS Meeting Abstracts MA2024-01, no. 34 (2024): 1792. http://dx.doi.org/10.1149/ma2024-01341792mtgabs.

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Anion exchange polymer electrolytes enable low-temperature alkaline water electrolysis for reliable green hydrogen production. Anion exchange membrane water electrolysis (AEMWE) with alkaline electrolytes has several advantages over the proton exchange membrane water electrolysis using acid-based polymer electrolytes. The advantages include low-cost catalysts, all hydrocarbon non-fluorinated polymer membrane, and low-cost cell components. Long-term durability of AEMWEs in high pH operation has been challenging, although there have been significant performance improvements. AEMWE operated at lo
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24

Nakagami, Ayuka, Shohei Tada, and Ryuji Kikuchi. "Intermediate-Temperature Steam Electrolysis Using Phosphate-Based Thin Film Electrolytes." ECS Meeting Abstracts MA2024-02, no. 48 (2024): 3409. https://doi.org/10.1149/ma2024-02483409mtgabs.

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Hydrogen has been regarded as a key energy medium toward the realization of a carbon-neutral society. Currently, hydrogen is mostly derived from fossil fuel without capturing CO2, and does not contribute to carbon neutrality at all. Hydrogen production by water electrolysis powered by renewable electricity is attracting attention as an effective method for "green hydrogen" synthesis that does not emit CO2 in hydrogen production and utilization processes. As a water electrolysis device, we are working on solid-state electrolytic cells with a phosphate-based electrolyte operative at intermediate
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25

Choi, Dongnyeok, and Kwon-Yeong Lee. "Experimental Study on Water Electrolysis Using Cellulose Nanofluid." Fluids 5, no. 4 (2020): 166. http://dx.doi.org/10.3390/fluids5040166.

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Hydrogen energy is considered to be a future energy source due to its higher energy density as compared to renewable energy and ease of storage and transport. Water electrolysis is one of the most basic methods for producing hydrogen. KOH and NaOH, which are currently used as electrolytes for water electrolysis, have strong alkalinity. So, it cause metal corrosion and can be serious damage when it is exposed to human body. Hence, experiments using cellulose nanofluid (CNF, C6H10O5) as an electrolyte were carried out to overcome the disadvantages of existing electrolytes and increase the effici
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26

Kuzin, Ya S., I. A. Kozlov, S. V. Sibileva, and M. A. Fomina. "INVESTIGATION OF THE INFLUENCE OF COMPONENT COMPOSITION OF PEO ELECTROLYTES ON THEIR STABILITY AND COATING PROPERTIES." Proceedings of VIAM, no. 11 (2020): 102–12. http://dx.doi.org/10.18577/2307-6046-2020-0-11-102-112.

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The efficiency of various variants of the component composition of alkaline electrolytes of plasma electrolytic oxidation (PEO) was studied. Technical liquid glass, NaOH, Na2B4O7, Na3PO4, and NaAlO2 were used as components of aqueous solutions. All of the studied components of electrolytes are the most common for use in PEO processes of aluminum alloys. The influence of the component composition of electrolytes on their stability during 30 days of exposure was evaluated, and the most stable compositions were selected. The structure and properties of coatings formed on samples of aluminum alloy
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27

Gebremariam, Goitom K., Aleksandar Z. Jovanović, and Igor A. Pašti. "Kinetics of Hydrogen Evolution Reaction on Monometallic Bulk Electrodes in Various Electrolytic Solutions." Catalysts 13, no. 10 (2023): 1373. http://dx.doi.org/10.3390/catal13101373.

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The hydrogen evolution reaction (HER) holds pivotal significance in electrochemical energy conversion. In this study, we present essential HER kinetic parameters encompassing nine metals (Ag, Au, Co, Cr, Fe, Ni, Pt, W, and Zn) evaluated within seven distinct electrolytes (0.1 mol dm−3 HClO4, 0.1 mol dm−3 HCl, 0.5 mol dm−3 NaCl, 1 mol dm−3 KH2PO4, 0.1 mol dm−3 KOH, 0.1 mol dm−3 LiOH, and 1 mol dm−3 KOH). Through careful measures to restrain oxide formation, HER activity was measured on clean electrodes, while the assessment of HER activity on oxidatively treated metals was also performed. By co
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28

Marquez-Montes, Raul A., Kenta Kawashima, Yoon Jun Son, et al. "(General Student Poster Award Winner - 1st Place) Six Practices to Improve Alkaline Electrolyte Preparation." ECS Meeting Abstracts MA2023-01, no. 55 (2023): 2695. http://dx.doi.org/10.1149/ma2023-01552695mtgabs.

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Alkaline electrolytes represent a critical component of electrochemical energy devices, including alkaline electrolyzers, fuel cells, supercapacitors, and alkaline batteries. In addition, these electrolytes define essential properties of electrocatalytic reactions, such as the oxygen evolution reaction (OER), the hydrogen evolution reaction (HER), and the oxygen reduction reaction (ORR). However, alkaline electrolyte concentrations and compositions are often considered trivial, resulting in misinterpretation of different phenomena and overestimating critical performance metrics. Thus, in an ex
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29

FOMICHEV, V. T., A. V. SAVCHENKO, G. P. GUBAREVICH, and E. E. EVDOKIMOV. "INFLUENCE OF PULSED CURRENT ON THE STRUCTURE OF COPPER-NICKEL ALLOY DEPOSIT." IZVESTIA VOLGOGRAD STATE TECHNICAL UNIVERSITY, no. 6(289) (June 2024): 93–98. http://dx.doi.org/10.35211/1990-5297-2024-6-289-93-98.

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The compositions of the main components of copper, zinc and brass ethylenediamine electrolytes were studied for the electrochemical characteristics of the electrolysis process and the properties of the resulting coatings. The optimal composition of ethylenediamine electrolyte for brass plating has been proposed.
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30

Saravanan, K. G., R. Prabu, A. R. Venkataramanan, and Eden Tekle Beyessa. "Impact of Different Electrolytes on the Machining Rate in ECM Process." Advances in Materials Science and Engineering 2021 (August 30, 2021): 1–6. http://dx.doi.org/10.1155/2021/1432300.

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Electrochemical machining is a nonconventional machining process in which the metal removal is achieved by the electricity and chemical solution known as an electrolyte. It is the reverse electrolysis process where the application of electricity facilitates the current travel in between anode and cathode. The mechanism of the ion movement is similar to the electrolysis process. Electrochemical machining (ECM) is a type of advanced machining process which employs electricity to perform the machining process on the workpiece. It is also known as a reverse electroplating process where metal remov
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31

Kohl, Paul, Habin Park, and Parin Shah. "(Invited) Anode and Cathode Self-Adhesive Ionomers for Durable Alkaline Water Electrolysis." ECS Meeting Abstracts MA2023-02, no. 6 (2023): 902. http://dx.doi.org/10.1149/ma2023-026902mtgabs.

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Low-temperature water electrolysis using anion conductive polymer electrolytes has several potential advantages over acid-based polymer electrolyzers. However, the formation of durable, high surface area electrodes remains a challenge. The adhesion and connectivity of high surface area, particulate catalysts to the porous transport layer is critically important to the long-term cell lifetime. The water-fed, oxygen-evolving anode and dry hydrogen-evolving cathode has their own unique challenges in terms of catalyst adhesion, water uptake and ionic conductivity. In this study, a family of covale
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32

Castellani, Pablo, Clement Nicollet, Eric Quarez, Olivier Joubert, and Annie Le Gal La Salle. "Synthesis of Yttrium Doped Barium Zirconate/Cerate Electrolyte Materials and Densification Using Conventional and Cold-Sintering Processes." ECS Transactions 109, no. 13 (2022): 13–29. http://dx.doi.org/10.1149/10913.0013ecst.

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Compared to high temperature solid oxide electrolysis cell, usually based on Yttrium stabilized Zirconia electrolytes, intermediate temperature proton conducting electrolysis cell, allows the production of water free hydrogen and a better chemical stability. Proton conducting perovskite materials, such as Barium Indates, Zirconates or Cerates are nearly commercial electrolytes for such devices. At intermediate temperature and under humid atmosphere, hydration process allows diffusion of protonic charges. Such electrolyte material combines a low thermal expansion coefficient and a high protonic
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33

Badi, Nacer, Azemtsop Manfo Theodore, Saleh A. Alghamdi, et al. "The Impact of Polymer Electrolyte Properties on Lithium-Ion Batteries." Polymers 14, no. 15 (2022): 3101. http://dx.doi.org/10.3390/polym14153101.

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Abstract (sommario):
In recent decades, the enhancement of the properties of electrolytes and electrodes resulted in the development of efficient electrochemical energy storage devices. We herein reported the impact of the different polymer electrolytes in terms of physicochemical, thermal, electrical, and mechanical properties of lithium-ion batteries (LIBs). Since LIBs use many groups of electrolytes, such as liquid electrolytes, quasi-solid electrolytes, and solid electrolytes, the efficiency of the full device relies on the type of electrolyte used. A good electrolyte is the one that, when used in Li-ion batte
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34

Zhou, Hangyang. "Research Progress on Improvement Strategies of Polymer Electrolytes in Solid-State Batteries." Highlights in Science, Engineering and Technology 116 (November 7, 2024): 302–7. http://dx.doi.org/10.54097/fyphrv62.

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Abstract (sommario):
The solid electrolyte material can replace the liquid electrolyte in the lithium-ion batteries, which ensures higher safety due to the flammable and corroded of liquid electrolyte. The polymer electrolytes demonstrated feasibility due to its suitable ductility. However, lithium ions in the polymer electrolytes are more difficult to ionize, resulting in worse ionic conductivity. At the same time, the mechanical strength of polymer electrolytes is not as good as that of inorganic electrolytes, which is not enough to inhibit the penetration of lithium dendrite. To solve these problems, researcher
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35

Чабан, С., О. Ковра та В. Петров. "ВІДНОВЛЕННЯ ШТОКІВ СИЛОВИХ ГІДРОЦИЛІНДРІВ АВТОМОБІЛІВ ЛЕКТРОЛІТИЧНИМ ХРОМУВАННЯМ". Collection of scientific works of Odesa Military Academy, № 19 (30 червня 2023): 126–33. http://dx.doi.org/10.37129/2313-7509.2023.19.126-133.

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The quality of the repair of parts of military equipment and the increase of their service life largely depends on how it is organized and in what ways the restoration of malfunctioning or damaged parts is carried out. To restore the full functionality of the damaged parts, it is necessary to return them to their initial dimensions, geometric shape, hardness, corrosion resistance and other properties. One of the progressive methods of restoring the working rods of hydraulic cylinders is the application of electrolytic coatings on their working surface. The purpose of the study is to improve th
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36

Fu, Wen, Li Wang, and Li Chen. "The Discharge Characteristics of PEO Films in K2ZrF6 with H3PO4 Electrolyte." Advanced Materials Research 461 (February 2012): 277–80. http://dx.doi.org/10.4028/www.scientific.net/amr.461.277.

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Abstract (sommario):
The discharge characteristics of the potassium fluorozirconate electrolyte during plasma electrolytic oxidation process were investigated. Phosphoric acid was applied as additives. Ceramic films were prepared on magnesium alloy in electrolytes with different content additives under constant voltage. The effect of additives on the pH of the electrolyte and the dissolution of the substrate were investigated. It was found that the additives could influence the pH and dissolved magnesium ions effectively.
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37

Fu, Wen, Li Wang, and Li Chen. "The Discharge Characteristics of PEO Films in K2ZrF6 with NaH2PO4 Electrolyte." Advanced Materials Research 577 (October 2012): 115–18. http://dx.doi.org/10.4028/www.scientific.net/amr.577.115.

Testo completo
Abstract (sommario):
The discharge characteristics of the potassium fluorozirconate electrolyte during plasma electrolytic oxidation process were investigated. Sodium dihydrogen phosphate was applied as additives. Ceramic films were prepared on magnesium alloy in electrolytes with different content additives under constant voltage. The effect of additives on the pH of the electrolyte and the dissolution of the substrate were investigated. It was found that the additives could influence the pH and dissolved magnesium ions effectively.
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38

Liu, Liyu, Kai Chen, Liguo Zhang, and Bong-Ki Ryu. "Prospects of Sulfide-Based Solid-State Electrolytes Modified by Organic Thin Films." International Journal of Energy Research 2023 (February 6, 2023): 1–7. http://dx.doi.org/10.1155/2023/2601098.

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Abstract (sommario):
Lithium-ion batteries are key to tackling today’s energy crisis. In recent years, compared with the research on other components of lithium-ion batteries, the research on solid-state electrolytes is particularly hot. Among various solid-state electrolyte modification measures, we found that the material design of organic/inorganic composite flexible solid-state electrolytes can achieve the best all-solid-state battery cycling performance. Based on the study of sulfide-based organic/inorganic composite solid-state electrolytes, this article firstly introduces the classification of inorganic sol
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39

Kamaluddin, Norashima, Famiza Abdul Latif, and Chan Chin Han. "The Effect of HCl Concentration on the Ionic Conductivity of Liquid PMMA Oligomer." Advanced Materials Research 1107 (June 2015): 200–204. http://dx.doi.org/10.4028/www.scientific.net/amr.1107.200.

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Abstract (sommario):
To date gel and film type polymer electrolytes have been widely synthesized due to their wide range of electrical properties. However, these types of polymer electrolytes exhibit poor mechanical stability and poor electrode-electrolyte contact hence deprive the overall performance of a battery system. Therefore, in order to indulge the advantages of polymer as electrolyte, a new class of liquid-type polymer electrolyte was synthesized and investigated. To date this type of polymer electrolytre has not been extensively studied. This is due to the unavailability of liquid polymer for significanc
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40

George, Thomas Young, Paige N. Brimley, Wilson A. Smith, and Michael J. Aziz. "Bipolar Membrane Polarization Governed By Interfacial Ionic Species." ECS Meeting Abstracts MA2024-02, no. 28 (2024): 2205. https://doi.org/10.1149/ma2024-02282205mtgabs.

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Abstract (sommario):
Bipolar membranes (BPMs), consisting of an anion exchange polymer membrane layer, a cation exchange polymer membrane layer, with a catalytic interfacial layer in between, enable electrolysis cells with large difference of pH between adjacent chambers. This pH gradient is a working principle of a number of devices for energy and sustainability: acid/base batteries store and release energy by building and depleting a pH difference; BPM electrodialysis reactors capture CO2 in alkaline electrolytes and release CO2 by acidifying; CO2 and H2O electrolysis devices may employ pH-decoupled electrodes t
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41

Kanai, Yamato, Koji Hiraoka, Mutsuhiro Matsuyama, and Shiro Seki. "Chemically and Physically Cross-Linked Inorganic–Polymer Hybrid Solvent-Free Electrolytes." Batteries 9, no. 10 (2023): 492. http://dx.doi.org/10.3390/batteries9100492.

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Abstract (sommario):
Safe, self-standing, all-solid-state batteries with improved solid electrolytes that have adequate mechanical strength, ionic conductivity, and electrochemical stability are strongly desired. Hybrid electrolytes comprising flexible polymers and highly conductive inorganic electrolytes must be compatible with soft thin films with high ionic conductivity. Herein, we propose a new type of solid electrolyte hybrid comprising a glass–ceramic inorganic electrolyte powder (Li1+x+yAlxTi2−xSiyP3−yO12; LICGC) in a poly(ethylene)oxide (PEO)-based polymer electrolyte that prevents decreases in ionic condu
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42

Ambika, C., G. Hirankumar, S. Thanikaikarasan, K. K. Lee, E. Valenzuela, and P. J. Sebastian. "Influence of TiO2 as Filler on the Discharge Characteristics of a Proton Battery." Journal of New Materials for Electrochemical Systems 18, no. 4 (2015): 219–23. http://dx.doi.org/10.14447/jnmes.v18i4.351.

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Abstract (sommario):
Different concentrations of TiO2 dispersed nano-composite proton conducting polymer electrolyte membranes were prepared using solution casting technique. Fourier Transform Infrared Spectroscopic analysis was carried out to determine the vibrational investigations about the prepared membranes. Variation of conductivity due to the incorporation of TiO2 in polymer blend electrolyte was analyzed using Electrochemical Impedance Spectroscopy and the value of maximum conductivity is 2.8×10-5 Scm-1 for 1mol% of TiO2 dispersed in polymer electrolytes. Wagner polarization technique has been used to dete
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43

Wu, Shi Kui, and Li Wang. "The Plasma Electrolytic Oxidation Process in K2ZrF6 with Na2HPO4 Electrolyte." Advanced Materials Research 602-604 (December 2012): 1387–90. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.1387.

Testo completo
Abstract (sommario):
The plasma electrolytic oxidation(PEO) process of the potassium fluorozirconate electrolyte were investigated with disodium hydrogen phosphate used as additives. Ceramic films were prepared on magnesium alloy in electrolytes with different content of disodium hydrogen phosphate under constant voltage. The effect of disodium hydrogen phosphate on the pH of the electrolyte and the dissolution of the substrate were investigated. It was found that disodium hydrogen phosphate could influence the pH and dissolved magnesium ions significantly.
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44

Zaikov, Yu P., V. P. Batukhtin, N. I. Shurov, and A. V. Suzdaltsev. "High-temperature electrochemistry of calcium." Electrochemical Materials and Technologies 1, no. 1 (2022): 20221007. http://dx.doi.org/10.15826/elmattech.2022.1.007.

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Abstract (sommario):
Electrolytically produced calcium is one of the most demanded materials in obtaining pure materials. At the same time, the existing technologies and devices for the electrolytic production of calcium were developed in the last century, and at present there are practically no works aimed at optimizing them. However, increasing the capacity and efficiency of existing devices for the production of calcium is in demand. To analyze possible ways to improve calcium production, a comprehensive understanding of the processes occurring at the electrodes and in the electrolyte during electrolytic produc
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45

Carmona, Eric A., and Paul Albertus. "Solid-State Electrolyte Fracture in Lithium Metal Batteries." ECS Meeting Abstracts MA2022-02, no. 4 (2022): 396. http://dx.doi.org/10.1149/ma2022-024396mtgabs.

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Abstract (sommario):
Next generation batteries utilizing solid-state electrolytes to enable use of lithium metal electrodes are of significant interest due to increased energy density and the potential safety enhancements. Despite their high yield strength, high room temperature ionic conductivity, and lack of reactivity with metallic lithium, these ceramic solid electrolytes are still prone to dendrite formation and subsequent cell failure above critical current densities. One experimentally observed dendrite formation and propagation mechanism requires mechanical failure of the electrolyte via fracture. Ceramic
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46

Naughton, Matthew, Yuchen Zhang, Quanwen Sun, et al. "Proton-Conducting Solid Oxide Electrolysis Cells with Scandia-Doped Barium Zirconate Electrolytes." ECS Meeting Abstracts MA2024-02, no. 48 (2024): 3338. https://doi.org/10.1149/ma2024-02483338mtgabs.

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Abstract (sommario):
Proton-conducting solid oxide electrolysis cells (P-SOECs) leverage their low activation energy for proton-conduction to achieve high water electrolysis performance in the intermediate temperature regime (400-600°C). In this sought after temperature zone critical challenges that face high-temperature systems (>700°C) such as balance-of-plant costs, degradation, and oxidation may be alleviated while still retaining favorable reaction kinetics with earth-abundant materials. The electrolyte in P-SOECs plays a vital role in full cell performance and efficiency. P-SOEC electrolytes must have hig
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47

Rakhadilov, Bauyrzhan, and Daryn Baizhan. "Creation of Bioceramic Coatings on the Surface of Ti–6Al–4V Alloy by Plasma Electrolytic Oxidation Followed by Gas Detonation Spraying." Coatings 11, no. 12 (2021): 1433. http://dx.doi.org/10.3390/coatings11121433.

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Abstract (sommario):
In this work, bioceramic coatings were formed on Ti6Al4V titanium alloy using a combined technique of plasma electrolytic oxidation followed by gas detonation spraying of calcium phosphate ceramics, based on hydroxyapatite. Plasma electrolytic oxidation was carried out in electrolytes with various chemical compositions, and the effect of electrolytes on the macro and microstructure, pore size and phase composition of coatings was estimated. Three types of electrolytes based on sodium compounds were used: phosphate, hydroxide, and silicate. Plasma electrolytic oxidation of the Ti–6Al–4V titaniu
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48

Yan, Yingchun, Zheng Liu, Xinhou Yang, and Zhuangjun Fan. "Multilayer composite nanofibrous film accelerates the Li+ diffusion for quasi-solid-state lithium-ion batteries." IOP Conference Series: Earth and Environmental Science 1171, no. 1 (2023): 012034. http://dx.doi.org/10.1088/1755-1315/1171/1/012034.

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Abstract (sommario):
Abstract The rational design of dense and flexible solid-state electrolytes (SSEs) with interface compatibility is still challenging. Here, we report a three-layer dense 3D nanofibrous matrix (PCOF) by constructing a nanofiber framework combining polyacrylonitrile (PAN) and fast Li-ion conductor covalent organic frameworks (COFs) by electrospinning method. PCOF film can maintain an extraordinary electrolyte/electrode interface and an interconnected ion-conduction pathway, accelerating Li+ diffusion. The PCOF quasi-solid-state electrolyte (QSSE) has high oxidative stability (4.70 V, versus Li+/
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49

Thangamani, Geethapriyan, Muthuramalingam Thangaraj, Khaja Moiduddin, Syed Hammad Mian, Hisham Alkhalefah, and Usama Umer. "Performance Analysis of Electrochemical Micro Machining of Titanium (Ti-6Al-4V) Alloy under Different Electrolytes Concentrations." Metals 11, no. 2 (2021): 247. http://dx.doi.org/10.3390/met11020247.

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Abstract (sommario):
Titanium alloy is widely used in modern automobile industries due to its higher strength with corrosion resistance. Such higher strength materials can be effectively machined using unconventional machining processes, especially the electro-chemical micro machining (ECMM) process. It is important to enhance the machining process by investigating the effects of electrolytes and process parameters in ECMM. The presented work describes the influence of three different combinations of Sodium Chloride-based electrolytes on machining Titanium (Ti-6Al-4V) alloy. Based on the ECMM process parameters su
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50

Dubinin, P. S., I. S. Yakimov, A. S. Samoilo, et al. "Analytical appro­ aches in the development of industry standard specimens of aluminum production electrolyte." Industrial laboratory. Diagnostics of materials 88, no. 10 (2022): 20–29. http://dx.doi.org/10.26896/1028-6861-2022-88-10-20-29.

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Abstract (sommario):
A combination of the methods of X-ray phase and X-ray spectral analyzes is used at domestic aluminum plants for operational technological control of the composition of cooled electrolytes. In this case, standard samples of chemical and phase composition are used to calibrate measuring instruments. The synthesis of standard samples from simple components is impossible due to the inadequacy of their microcrystalline structure to real electrolyte samples. Therefore, it is necessary to develop standard samples directly from the material of real electrolytes with a reliably established quantitative
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