Analysis of the Electrochemical Method of Producing Environmentally Friendly Hydrogen Energy Carrier According to the Evans Diagram

Analysis of the Electrochemical Method of Producing Environmentally Friendly Hydrogen Energy Carrier According to the Evans Diagram | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Analysis of the Electrochemical Method of Producing Environmentally Friendly Hydrogen Energy Carrier According to the Evans Diagram Mykhailo K. Sukhyi, Volodymyr G. Nefedov, Yuliya V Polishchuk This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-5123893/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 18 Feb, 2025 Read the published version in Monatshefte für Chemie - Chemical Monthly → Version 1 posted 5 You are reading this latest preprint version Abstract The possibility of reducing energy costs during hydrogen release was realized using a system in which the anodic process of oxygen release was replaced by the process of dissolution of an electronegative metal (aluminum alloy). The rate of hydrogen release on aluminum, among other equal conditions (temperature and concentration of the electrolyte), depends on the polarization of hydrogen release. On aluminum - a metal of the third group of the periodic table of elements, it is high. The dissolution (corrosion) rate of aluminum can be increased by short-circuiting with an electrode with a low hydrogen evolution polarization, such as nickel. The ratio of hydrogen evolution currents on aluminum and nickel was estimated. The effect of alkali concentration and temperature on the current density, polarization and polarizability of electrodes made of aluminum alloy containing Cu, Mg, Mn and Fe was determined. It was shown that in a 0.1 mol l − 1 NaOH solution at a temperature of 20°C, the polarization resistance of hydrogen release on nickel is lower than on aluminum, and the hydrogen release rate on Ni is higher. At high temperatures and sodium hydroxide concentrations, the polarizability of metal dissolution and hydrogen release on aluminum increases sharply and exceeds those on nickel. Hydrogen release Aluminum alloy Polarization Soluble anode Full Text Cite Share Download PDF Status: Published Journal Publication published 18 Feb, 2025 Read the published version in Monatshefte für Chemie - Chemical Monthly → Version 1 posted Editorial decision: Accept as is 16 Jan, 2025 Reviewers agreed at journal 18 Dec, 2024 Reviewers invited by journal 13 Dec, 2024 Editor assigned by journal 12 Dec, 2024 First submitted to journal 10 Dec, 2024 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-5123893","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":390089307,"identity":"95c3bbfa-3d8d-414b-9332-b8cfdae1fcc5","order_by":0,"name":"Mykhailo K. 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The rate of hydrogen release on aluminum, among other equal conditions (temperature and concentration of the electrolyte), depends on the polarization of hydrogen release. On aluminum - a metal of the third group of the periodic table of elements, it is high. The dissolution (corrosion) rate of aluminum can be increased by short-circuiting with an electrode with a low hydrogen evolution polarization, such as nickel. The ratio of hydrogen evolution currents on aluminum and nickel was estimated. The effect of alkali concentration and temperature on the current density, polarization and polarizability of electrodes made of aluminum alloy containing Cu, Mg, Mn and Fe was determined. It was shown that in a 0.1 mol l\u003csup\u003e\u0026minus;\u0026thinsp;1\u003c/sup\u003e NaOH solution at a temperature of 20\u0026deg;C, the polarization resistance of hydrogen release on nickel is lower than on aluminum, and the hydrogen release rate on Ni is higher. 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