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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">alternative</journal-id><journal-title-group><journal-title xml:lang="ru">Альтернативная энергетика и экология (ISJAEE)</journal-title><trans-title-group xml:lang="en"><trans-title>Alternative Energy and Ecology (ISJAEE)</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1608-8298</issn><publisher><publisher-name>Международный издательский дом научной периодики "Спейс</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.15518/isjaee.2017.13-15.037-060</article-id><article-id custom-type="elpub" pub-id-type="custom">alternative-1042</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>ВОДОРОДНАЯ ЭКОНОМИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>HYDROGEN ECONOMY</subject></subj-group></article-categories><title-group><article-title>БИЩЕЛОЧНЫЕ И КАЛИЕВЫЕ АЛАНАТЫ – ПЕРСПЕКТИВНЫЕ НАКОПИТЕЛИ ВОДОРОДА</article-title><trans-title-group xml:lang="en"><trans-title>ALKALI AND POTASSIUM ALMATES ARE PERSPECTIVE HYDROGEN SUBSTITUTES</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>Матысина</surname><given-names>З. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Matysina</surname><given-names>Z. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р физ.-мат. наук, вед. научн. сотрудник отдела № 67, отдел № 67, д. 3, ул. Кржижановского, Киев, 03142;</p><p>заслуженный профессор Днепропетровского национального университета</p></bio><bio xml:lang="en"><p>D.Sc. (physics and mathematics), Professor, Senior Researcher at Laboratory no. 67 “Investigation of Processes and Systems of Hydrogen and Solar-Hydrogen Energy Transformation” in Institute for Problems of Materials Science of NAS of Ukraine, 3 Krzyzanowski str., Kiev-142, 03680;</p><p>Professor at Oles Honchar Dnepropetrovsk National University; Honored Professor of Dnepropetrovsk National University,</p><p>shurzag@ipms.kiev.ua</p></bio><email xlink:type="simple">shurzag@materials.kiev.ua</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>Загинайченко</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Zaginaychenko</surname><given-names>S. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р физ.-мат. наук, вед. научн. сотрудник отдела № 67</p></bio><bio xml:lang="en"><p>D.Sc. (physics and mathematics), Professor, Senior Researcher at Laboratory no. 67 “Investigation of Processes and Systems of Hydrogen and Solar-Hydrogen Energy Transformation” in Institute for Problems of Materials Science of NAS of Ukraine,</p><p>Kiev</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Щур</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Schur</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. хим. наук, зав. отделом № 67 «Водородного материаловедения и углеродных наноструктур»</p></bio><bio xml:lang="en"><p>Ph.D. (chemistry), Professor, Chief of Laboratory no. 67 “Investigation of Processes and Systems of Hydrogen and Solar-Hydrogen Energy Transformation” in Institute for Problems of Materials Science of NAS of Ukraine,</p><p>Kiev</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Золотаренко</surname><given-names>Ан. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Zolotarenko</surname><given-names>An. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. хим. наук, старший научный сотрудник</p></bio><bio xml:lang="en"><p>Ph.D. (chemistry), Senior Researcher at Institute for Problems of Materials Science of National Academy of Sciences (IMPS NASU)</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Золотаренко</surname><given-names>Ал. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Zolotarenko</surname><given-names>Al. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. хим. наук, старший научный сотрудник</p></bio><bio xml:lang="en"><p>Ph.D. (chemistry), Senior Researcher at Institute for Problems of Materials Science of National Academy of Sciences (IMPS NASU)</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Габдулин</surname><given-names>М. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Gabdullin</surname><given-names>M. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. физ.-мат. наук, директор Национальной нанотехнологической лаборатории открытого типа при Казахском национальном университете имени аль-Фараби,</p><p>д. 71, ул. Аль-Фараби, Алматы, 050040</p></bio><bio xml:lang="en"><p>Ph.D. (physics and mathematics), Director of National Nanotechnological Laboratory of open type at Al-Farabi Kazakh National University,</p><p>71 al-Farabi str., Almaty, 050040</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт проблем материаловедения им. И.Н. Францевича НАН Украины;&#13;
Днепропетровский национальный университет имени Олеся Гончара</institution><country>Украина</country></aff><aff xml:lang="en"><institution>Institute of Materials Science Problems by I.N.Frantsevich, NAS of Ukraine</institution><country>Ukraine</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт проблем материаловедения им. И.Н. Францевича НАН Украины</institution><country>Украина</country></aff><aff xml:lang="en"><institution>Institute of Materials Science Problems by I.N.Frantsevich, NAS of Ukraine</institution><country>Ukraine</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Казахский национальный университет имени аль-Фараби</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>National Nanotechnology Laboratory, al-Farabi Kazakh National University</institution><country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>30</day><month>06</month><year>2017</year></pub-date><volume>0</volume><issue>13-15</issue><fpage>37</fpage><lpage>60</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Международный издательский дом научной периодики "Спейс, 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Международный издательский дом научной периодики "Спейс</copyright-holder><copyright-holder xml:lang="en">Международный издательский дом научной периодики "Спейс</copyright-holder><license xlink:href="https://www.isjaee.com/jour/about/submissions#copyrightNotice" xlink:type="simple"><license-p>https://www.isjaee.com/jour/about/submissions#copyrightNotice</license-p></license></permissions><self-uri xlink:href="https://www.isjaee.com/jour/article/view/1042">https://www.isjaee.com/jour/article/view/1042</self-uri><abstract><p>На базе молекулярно-кинетических представлений разработана статистическая теория фазовых превращений температурного распада аланата калия KAlH4 с образованием более сложного аланата K3AlH6 и гидрида калия KH и дальнейшим дегидрированием последнего с выходом свободного водорода, чистого калия и алюминия. Рассчитаны свободные энергии фаз распада, найдена их зависимость от температуры, давления, состава по металлам, концентрации водорода, активности его атомов и энергетических параметров. Изучены также бищелочные аланаты K2MAlH6 (M=Na, Li) и Na2LiAlH6. Приведен ряд литературных экспериментальных графиков тепловых процессов распада аланатов, оценены усредненные значения температур фазовых превращений. Для разных значений температуры построены графики зависимости свободных энергий фаз от концентрации водорода, минимумы которых определяют равновесные состояния. Установлены возможности проявления двух таких минимумов, соответствующих стабильному и метастабильному состоянию фазы. Найдена температурная зависимость равновесной концентрации водорода, выявлена ее особенность в области концентрации водорода с = 0,5. Получены графики температурной зависимости выделяющегося свободного водорода из каждой фазы и такой график при протекании всех химических реакций распада аланата. На последнем выявлены изломы в точках фазовых переходов, которые экспериментально могут проявляться в виде изгибов. Построены также изотермы абсорбции-десорбции водорода и изоплеты содержания водорода в фазах. Установлена возможность проявления гистерезисного эффекта. Результаты расчетов сопоставлены с экспериментальными данными, получено их качественное соответствие.</p></abstract><trans-abstract xml:lang="en"><p>The statistical theory of phase transformations of the potassium alanate KAlH4 temperature decomposition leading to the formation of a more complex alanate K3AlH6 and potassium hydride KH and to further dehydrogenation of the latter with free hydrogen release, pure potassium and aluminum was developed on the basis of molecular-kinetic concepts. The free energies values of the decay phases are calculated, dependence of the decay phases and temperature, pressure, composition on metals, hydrogen concentration, activity of its atoms and energy parameters are found. Bialkaline alanates K2MAlH6 (M = Na, Li) and Na2LiAlH6 were also studied. A number of literary experimental graphs of the thermal decomposition processes for the alanates are given, from which the averaged values of the temperatures for the phase transformations are estimated. Plots of the free energies values of the phases at the different temperatures are plotted vs the concentration of hydrogen, the minima of which determine the equilibrium states. The possibility of two such minima appearance corresponding to the stable and metastable states of the phase is established. The temperature dependence of the equilibrium concentration for hydrogen was found, its specificity in the region of hydrogen concentration c = 0.5 was revealed. The graphs of the temperature dependence of free hydrogen releasing from each phase are obtained and such a graph for all chemical reactions of the alanate decomposition that occur also. On the latter one, fractures were found at the points of phase transitions, which can be experimentally manifested in the form of bends. Isotherms of hydrogen absorption-desorption processes and hydrogen content isoplets in phases are also constructed. The possibility of hysteresis effect is established. The results of calculations are compared with the experimental data, their qualitative correspondence is obtained.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>гидриды аланатов калия KAlH4</kwd><kwd>аланат K3Al и гидрид калия KH</kwd><kwd>гидриды бищелочных аланатов K2MAlH6 (M=Na</kwd><kwd>Li) и Na2LiAlH6</kwd><kwd>изотермы абсорбции-десорбции водорода</kwd><kwd>изоплеты водорода в фазах</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">Herold, A. Tansion de dissociation de I’hydrure de potassium [Text] / A. Herold // C. r. Acad. 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