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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">nuc</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник НЯЦ РК</journal-title><trans-title-group xml:lang="en"><trans-title>NNC RK Bulletin</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7516</issn><issn pub-type="epub">1729-7885</issn><publisher><publisher-name>Национальный ядерный центр Республики Казахстан</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.52676/1729-7885-2026-2-211-219</article-id><article-id custom-type="elpub" pub-id-type="custom">nuc-1054</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>Статьи</subject></subj-group></article-categories><title-group><article-title>СИНТЕЗ, СТРУКТУРНЫЕ И ЭЛЕКТРОХИМИЧЕСКИЕ СВОЙСТВА БИМЕТАЛЛИЧЕСКОГО КАТАЛИЗАТОРА PT–RU/C ДЛЯ ТОПЛИВНЫХ ЭЛЕМЕНТОВ</article-title><trans-title-group xml:lang="en"><trans-title>SYNTHESIS, STRUCTURAL AND ELECTROCHEMICAL PROPERTIES OF THE BIMETALLIC CATALYST PT–RU/C FOR FUEL CELLS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Опахай</surname><given-names>С.</given-names></name><name name-style="western" xml:lang="en"><surname>Opakhai</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Серікжан Опахай </p><p>Астана</p></bio><bio xml:lang="en"><p>Serikzhan Opakhai</p><p>Astana</p></bio><email xlink:type="simple">serikzhan.opakhai07@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>Кутербеков</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kuterbekov</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кайрат Кутербеков </p><p>Астана</p></bio><bio xml:lang="en"><p>Kairat Kuterbekov</p><p>Astana</p></bio><email xlink:type="simple">kkuterbekov@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>Бекмырза</surname><given-names>К. Ж.</given-names></name><name name-style="western" xml:lang="en"><surname>Bekmyrza</surname><given-names>K. Zh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кенжебатыр Бекмырза </p><p>Астана</p></bio><bio xml:lang="en"><p>Kenzhebatyr Bekmyrza</p><p>Astana</p></bio><email xlink:type="simple">kbekmyrza@yandex.kz</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>Кабышев</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kabyshev</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Асет Кабышев </p><p>Астана</p></bio><bio xml:lang="en"><p>Asset Kabyshev</p><p>Astana</p></bio><email xlink:type="simple">assetenu@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>Зейнулла</surname><given-names>Ж. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Zeinulla</surname><given-names>Zh. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жасулан Зейнулла </p><p>Астана</p></bio><bio xml:lang="en"><p>Zhasulan Zeinulla</p><p>Astana</p></bio><email xlink:type="simple">zeizhaser@mail.ru</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>Сырлыбекқызы</surname><given-names>С.</given-names></name><name name-style="western" xml:lang="en"><surname>Syrlybekkyzy</surname><given-names>S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Самал Сырлыбекқызы </p><p>Актау</p></bio><bio xml:lang="en"><p>Samal Syrlybekkyzy</p><p>Astana</p></bio><email xlink:type="simple">samal.syrlybekkyzy@yu.edu.kz</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>Койшина</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Koishina</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Акмарал Койшина </p><p>Актау</p></bio><bio xml:lang="en"><p>Akmaral Koishina</p><p>Astana</p></bio><email xlink:type="simple">akmaral.koishina@yu.edu.kz</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>Пангалиев</surname><given-names>Е.</given-names></name><name name-style="western" xml:lang="en"><surname>Pangaliyev</surname><given-names>E.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ербол Пангалиев </p><p>Актау</p></bio><bio xml:lang="en"><p>Yerbol Pangaliyev </p><p>Astana</p></bio><email xlink:type="simple">yerbol.pangaliyev@yu.edu.kz</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Евразийский национальный университет имени Л.Н. Гумилева</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Eurasian National University named after L.N. Gumilyov</institution><country>Kazakhstan</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Каспийский университет технологии и инжиниринга им. Ш. Есенова</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Caspian University of Technology and Engineering named after. Sh. Yesenova</institution><country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>09</day><month>08</month><year>2026</year></pub-date><volume>0</volume><issue>2</issue><fpage>211</fpage><lpage>219</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Опахай С., Кутербеков К.А., Бекмырза К.Ж., Кабышев А.М., Зейнулла Ж.С., Сырлыбекқызы С., Койшина А.И., Пангалиев Е., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Опахай С., Кутербеков К.А., Бекмырза К.Ж., Кабышев А.М., Зейнулла Ж.С., Сырлыбекқызы С., Койшина А.И., Пангалиев Е.</copyright-holder><copyright-holder xml:lang="en">Opakhai S., Kuterbekov K.A., Bekmyrza K.Z., Kabyshev A.M., Zeinulla Z.S., Syrlybekkyzy S., Koishina A.I., Pangaliyev E.</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://journals.nnc.kz/jour/article/view/1054">https://journals.nnc.kz/jour/article/view/1054</self-uri><abstract><p>В статье представлен синтез и всестороннее исследование биметаллического катализатора Pt-Ru/C с содержанием Pt 5% по массе и атомным соотношением Pt:Ru 1:1, полученного методом химического восстановления на углеродной подложке. Морфология и структура материала были изучены с помощью сканирующей и просвечивающей электронной микроскопии, которые выявили образование высокодисперсных наночастиц Pt-Ru размером около 2-5 нм, равномерно распределенных по поверхности углеродной матрицы. Элементный состав и однородность распределения компонентов были подтверждены энергодисперсионной спектроскопией. Фазовый состав катализатора был изучен методом рентгеновской дифракции, результаты которой указывают на образование нанокристаллической структуры Pt-Ru без явного фазового разделения. Структурные характеристики поверхности, определенные методом низкотемпературной адсорбции-десорбции азота, показали наличие развитой мезопористой структуры с высокой удельной поверхностью и пористостью, обеспечивающей эффективный массоперенос. Электрохимические свойства катализатора были оценены с помощью циклической вольтамметрии в растворе 0,5 М H₂SO₄. Результаты показывают пики адсорбции-десорбции водорода, а также образование частиц оксида рутения, что указывает на реализацию бифункционального механизма. Катализатор демонстрирует высокую электрохимическую активность и стабильность благодаря равномерному распределению активной фазы и развитой поверхности носителя. Таким образом, полученный катализатор Pt-Ru/C характеризуется оптимальными структурными и электрохимическими свойствами и является эффективным материалом для использования в низкотемпературных топливных элементах.</p></abstract><trans-abstract xml:lang="en"><p>This article presents the synthesis and comprehensive study of a bimetallic Pt-Ru/C catalyst with a Pt content of 5% by weight and a Pt:Ru atomic ratio of 1:1, obtained by chemical reduction on a carbon support. The morphology and structure of the material were studied using scanning and transmission electron microscopy, which revealed the formation of highly dispersed Pt-Ru nanoparticles with a size of about 2-5 nm, uniformly distributed over the surface of the carbon matrix. The elemental composition and homogeneity of the component distribution were confirmed by energy-dispersive spectroscopy. The phase composition of the catalyst was studied by X-ray diffraction, the results of which indicate the formation of a nanocrystalline Pt-Ru structure without obvious phase separation. The structural characteristics of the surface, determined by low-temperature nitrogen adsorption-desorption, showed the presence of a developed mesoporous structure with a high specific surface area and porosity, ensuring efficient mass transfer. The electrochemical properties of the catalyst were evaluated using cyclic voltammetry in a 0.5 M H₂SO₄ solution. The results reveal hydrogen adsorption-desorption peaks, as well as the formation of ruthenium oxide particles, indicating a bifunctional mechanism. The catalyst exhibits high electrochemical activity and stability due to the uniform distribution of the active phase and the developed support surface area. Thus, the resulting Pt–Ru/C catalyst is characterized by optimal structural and electrochemical properties and is an effective material for use in low-temperature fuel cells.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>катализатор Pt–Ru/C</kwd><kwd>биметаллические наночастицы</kwd><kwd>углеродный носитель</kwd><kwd>химическое восстановление</kwd><kwd>мезопористая структура</kwd><kwd>удельная площадь поверхности</kwd><kwd>циклическая вольтамметрия</kwd><kwd>топливные элементы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Pt–Ru/C catalyst</kwd><kwd>bimetallic nanoparticles</kwd><kwd>carbon support</kwd><kwd>chemical reduction</kwd><kwd>mesoporous structure</kwd><kwd>specific surface area</kwd><kwd>cyclic voltammetry</kwd><kwd>fuel cells</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Osman S. H., Kamarudin S. K., Shaari N., Zakaria Z. 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