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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8331-2023-59-3-183-192</article-id><article-id custom-type="elpub" pub-id-type="custom">vestich-824</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ФИЗИЧЕСКАЯ ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICAL CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Каталитические свойства и устойчивость порошковых сплавов никель–олово в процессе электрохимического выделения водорода из раствора щелочи</article-title><trans-title-group xml:lang="en"><trans-title>Catalytic  properties and stability of nickel–tin powder alloys in the process of electrochemical hydrogen evolution from alkali  solution</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4877-0974</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Врублевская</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Vrublevskaya</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Врублевская Ольга Николаевна – канд. хим. наук, доцент, зам. директора</p><p>ул. Ленинградская, 14, 220006, Минск</p></bio><bio xml:lang="en"><p>Vrublevskaya Olga N. – Ph. D. (Chemistry), Associate Professor, Vice Director for Scientific Work</p><p>14, Leningradskaya Str., 220006, Minsk</p><p> </p></bio><email xlink:type="simple">vrublevskaya.olga@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Карева</surname><given-names>Н. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Kareva</surname><given-names>N. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Карева Наталья Юрьевна – студент</p><p>ул. Ленинградская, 14, 220050, Минск</p></bio><bio xml:lang="en"><p>Kareva Natalia Yu. – Student</p><p>14, Leningradskaya Str., 220050, Minsk</p></bio><email xlink:type="simple">natalja.kareva@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Калесник</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Kalesnik</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Калесник Анастасия Дмитриевна – студент</p><p>ул. Ленинградская, 14, 220050, Минск</p></bio><bio xml:lang="en"><p>Kalesnik Anastasiya D. – Student</p><p>4, Leningradskaya Str., 220050, Minsk</p></bio><email xlink:type="simple">nastyakalesnik@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8937-4161</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кудако</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kudaka</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кудако Антон Александрович – науч. сотрудник</p><p>ул. Ленинградская, 14, 220006, Минск</p></bio><bio xml:lang="en"><p>Kudaka Anton A. – Researcher</p><p>14, Leningradskaya Str., 220006, Minsk</p></bio><email xlink:type="simple">kudako.anton@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6104-3707</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Болормаа</surname><given-names>Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Bolormaa</surname><given-names>B.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бурэнтогтох Болормаа – науч. сотрудник</p><p>пр. Мира, 54Б, 13330, Улан-Батор</p></bio><bio xml:lang="en"><p>Burentogtokh Bolormaa – Researcher at the Materials Science Department</p><p>54B, Peace Ave., 13330, Ulaanbaatar</p></bio><email xlink:type="simple">Bolormss_b@mas.ac.mn</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5369-7647</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Севжидсурен</surname><given-names>Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Sevjidsuren</surname><given-names>G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Галсан Севжидсурен – канд. физ.-мат. наук, зав. отделением материаловедения</p><p>пр. Мира, 54Б, 13330, Улан-Батор</p></bio><bio xml:lang="en"><p>Galsan Sevjidsuren – Ph. D. (Physics). Chair of the Materials Science Department</p><p>54B, Peace Ave., 13330, Ulaanbaatar</p></bio><email xlink:type="simple">sevjidsureng@mas.ac.mn</email><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский институт физико-химических проблем Белорусского государственного университета</institution></aff><aff xml:lang="en"><institution>Research Institute for Physical Chemical Problems of the Belarusian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусский государственный университет</institution></aff><aff xml:lang="en"><institution>Belarusian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт физики и технологии Монгольской академии наук</institution></aff><aff xml:lang="en"><institution>Institute of Physics and Technology of the Mongolian Academy of Sciences</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>02</day><month>09</month><year>2023</year></pub-date><volume>59</volume><issue>3</issue><fpage>183</fpage><lpage>192</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Врублевская О.Н., Карева Н.Ю., Калесник А.Д., Кудако А.А., Болормаа Б., Севжидсурен Г., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Врублевская О.Н., Карева Н.Ю., Калесник А.Д., Кудако А.А., Болормаа Б., Севжидсурен Г.</copyright-holder><copyright-holder xml:lang="en">Vrublevskaya O.N., Kareva N.Y., Kalesnik A.D., Kudaka A.A., Bolormaa B., Sevjidsuren G.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestichem.belnauka.by/jour/article/view/824">https://vestichem.belnauka.by/jour/article/view/824</self-uri><abstract><p>Химически и электрохимически синтезированы порошковые сплавы Ni–Sn с содержанием никеля соответственно от 24,4 до 78,5 ат.% и от 30,6 до 55,1 ат.% для применения в качестве катализаторов электрохимического восстановления водорода в растворе щелочи. Установлено, что каталитически активная площадь поверхности химически синтезированных порошков больше в сравнении с электрохимически полученными, максимальной площадью характеризуется сплав Ni24,4Sn75,6. Выявлено, что для химически синтезированных порошков каталитические свойства, оцененные по значению потенциала, при котором достигается плотность тока 10 мА/см2, возрастают в ряду Ni24,4Sn75,6 &lt; Ni78,5Sn21,5 &lt; Ni; электрохимически полученные сплавы являются неэффективными катализаторами. Установлено, что сплав Ni24,4Sn75,6 характеризуется большей сохранностью каталитически активной площади поверхности в процессе эксплуатации в сравнении с никелем и сплавом Ni78,5Sn21,5.</p></abstract><trans-abstract xml:lang="en"><p>Ni–Sn powder alloys with a nickel content from 24.4 to 78.5 at.% and from 30.6 to 55.1 at.%, respectively, were synthesized chemically and electrochemically for the use as catalysts for the hydrogen electrochemical reduction (HER) in alkali solution. It was established that the catalytically active surface area of chemically synthesized powders was larger in comparison with electrochemically obtained ones. Ni24.4Sn75.6 powder alloy has the largest surface area. It was found that catalytic properties of chemically synthesized powders increased in the row Ni24.4Sn75.6 &lt; Ni78.5Sn21.5 &lt; Ni. Electrochem ically obtained alloys are inefficient as HER catalysts. It was found that Ni24.4Sn75.6 alloy is characterized by the greater re tention of catalytically active surface area during exploitation in alkali solution in comparison with Ni and Ni78.5Sn21.5 alloy. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>сплав никель–олово</kwd><kwd>электрокатализ</kwd><kwd>выделение водорода</kwd><kwd>щелочной раствор</kwd><kwd>коррозионная  устойчивость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nickel–tin alloy</kwd><kwd>electrocatalysis</kwd><kwd>hydrogen evolution</kwd><kwd>alkaline solution</kwd><kwd>corrosion resistance</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Белорусского республиканского фонда фундаментальных исследований (гранты № X20MH-004, X23MH-002).</funding-statement><funding-statement xml:lang="en">This work was financially supported by the Belarusian republican foundation for fundamental  research (grants no. 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