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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">vuzbiochemi</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Прикладная химия и биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Universities. Applied Chemistry and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2925</issn><issn pub-type="epub">2500-1558</issn><publisher><publisher-name>ИРНИТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/2227-2925-2022-12-3-363-372</article-id><article-id custom-type="elpub" pub-id-type="custom">vuzbiochemi-839</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>ХИМИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Квантово-химическое моделирование адсорбции водорода в порах: исследование методами DFT, SAPT0 и IGM</article-title><trans-title-group xml:lang="en"><trans-title>Quantum chemical simulation of hydrogen adsorption in pores: A study by DFT, SAPT0 and IGM methods</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0860-8913</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрушенко</surname><given-names>И. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrushenko</surname><given-names>I. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Игорь Константинович Петрушенко, к.х.н., заведующий лабораторией КПОЭМК</p><p>664074, г. Иркутск, ул. Лермонтова, 83</p></bio><bio xml:lang="en"><p>Igor K. Petrushenko, Cand. Sci. (Chemistry), Head of the laboratory KPOEMK</p><p>83, Lermontov St., 664074, Irkutsk</p></bio><email xlink:type="simple">igor.petrushenko@istu.edu</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk National Research Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>05</day><month>10</month><year>2022</year></pub-date><volume>12</volume><issue>3</issue><fpage>363</fpage><lpage>372</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Петрушенко И.К., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Петрушенко И.К.</copyright-holder><copyright-holder xml:lang="en">Petrushenko I.K.</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://vuzbiochemi.elpub.ru/jour/article/view/839">https://vuzbiochemi.elpub.ru/jour/article/view/839</self-uri><abstract><p>Привлекательность водорода как универсального энергоносителя определяет значительный интерес к нему со стороны прикладной химии. Одной из центральных проблем, которую необходимо решить для перехода к водородной энергетике, является проблема его хранения. Физическая адсорбция водорода в порах – это практически важный и эффективный метод хранения водорода. Среди существующих адсорбирующих водород материалов углеродные наноструктуры обладают рядом преимуществ: высокой адсорбционной емкостью, значительной прочностью и низким весом. В данной работе с помощью современных методов квантовой химии (DFT, SAPT0, IGM) изучена адсорбция молекулярного водорода в ряде модельных щелевидных углеродных микропор с расстоянием между стенками d = 4–10 Å, включая введение молекулы H2 в пору, наполнение поры этими молекулами и изучение взаимодействий между молекулами H2 внутри поры. Установлено, что в зависимости от величины параметра d, адсорбированные молекулы водорода образуют один (d = 6, 7 Å) или два слоя (d = 8, 9, 10 Å) внутри поры. В то же самое время для пор с малым d наблюдались высокие потенциальные барьеры введения H2 в пору. Разложение энергии взаимодействия на компоненты показало, что дисперсионные взаимодействия дают основной вклад в энергию притяжения (72–82%), причем с увеличением числа молекул H2, адсорбированных в поре, их значимость снижается (вплоть до 61%), а вклад в межмолекулярное притяжение электростатических и индукционных взаимодействий растет. Также были определены значения гравиметрической плотности (GD) для пор с d = 6, 7, 8, 9, 10 Å, которые равны соответственно 1,98; 2,30; 2,93; 3,25; 4,49 вес.%. Предполагается, что особенности адсорбции водорода в порах, выявленные в этой работе, будут способствовать применению углеродных пористых структур как среды для хранения водорода.</p></abstract><trans-abstract xml:lang="en"><p>Hydrogen as a versatile energy carrier continues to attract research attention in the field of applied chemistry. One of the fundamental issues on the way to hydrogen economy is the difficulty of hydrogen storage. Physical adsorption of hydrogen in pores is a feasible and effective method of hydrogen storage. Among existing hydrogen-adsorbing materials, carbon nanostructures possess a number of advantages due to their high adsorption capacity, significant strength and low weight. In this work, we use the modern methods of quantum chemistry (DFT, SAPT0 and IGM) to study the adsorption of molecular hydrogen in a series of simulated slit-like carbon micropores with a distance between the walls of d = 4–10 Å, including the introduction of an H2 molecule into a pore, filling pores with these molecules and investigating the interactions between H2 molecules inside the pores. It was found that, depending on the value of parameter d, adsorbed hydrogen molecules form one (d = 6, 7 Å) or two layers (d = 8, 9, 10 Å) inside the pore. At the same time, for pores with small d values, high potential barriers to the introduction of H2 into a pore were observed. The decomposition of the interaction energy into components showed dispersion interactions to make a major contribution to the energy of attraction (72–82%). Moreover, an increase in the number of H2 molecules adsorbed in the pore decreases the significance of dispersion interactions (up to 61%) and increases the contribution of electrostatic and induction interactions to intermolecular attraction. Gravimetric density (GD) values were determined for pores with d = 6, 7, 8, 9, 10 Å, comprising 1.98, 2.30, 2.93, 3.25 and 4.49 wt%, respectively. It is assumed that the revealed peculiarities of hydrogen adsorption in pores will contribute to the use of carbon porous structures as a medium for hydrogen storage.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>адсорбция</kwd><kwd>водород</kwd><kwd>DFT</kwd><kwd>SAPT0</kwd><kwd>пора</kwd><kwd>графен</kwd></kwd-group><kwd-group xml:lang="en"><kwd>adsorption</kwd><kwd>hydrogen</kwd><kwd>DFT</kwd><kwd>SAPT0</kwd><kwd>pore</kwd><kwd>graphene</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при поддержке Министерства науки и высшего образования РФ в рамках НОЦ «Байкал» (FZZS-2021-0007).</funding-statement><funding-statement xml:lang="en">This study was supported by Ministry of Science and Higher Education of the Russian Federation in the framework of Scientific and educational center “Baikal” (FZZS-2021-0007).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Staffell I., Scamman D., Velazquez Abad A., Balcombe P., Dodds P. 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