<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE article PUBLIC "-//NLM//DTD JATS (Z39.96) Journal Publishing DTD v1.3 20210610//EN" "JATS-journalpublishing1-3.dtd">
<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.2018.19-21.040-051</article-id><article-id custom-type="elpub" pub-id-type="custom">alternative-1448</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>ТРАНСПОРТ ЗАРЯДОВ В ЭЛЕКТРОДЕ ВОДОРОДНОГО ТОПЛИВНОГО ЭЛЕМЕНТА, СОДЕРЖАЩЕМ УГЛЕРОДНЫЕ НАНОВОЛОКНА</article-title><trans-title-group xml:lang="en"><trans-title>CHARGE TRANSFER IN HYDROGEN FUEL CELL ELECTRODE CONTAINING CARBON NANOFIBERS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6709-5559</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Краснова</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Krasnova</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Краснова Анна Олеговна - аспирант, и.о. младшего научного сотрудника в лаборатории мощных полупроводниковых приборов, ФТИ им. А.Ф. Иоффе РАН.</p><p>Образование: Санкт-Петербургский государственный  технологический  институт  (технический  университет) (2015 г.).</p><p>Область научных интересов: топливные элементы; электрохимические методы исследования; катализ.</p><p>Публикации: 11.</p><p>h-index: 2.</p><p>Research Gate: 6.97.</p><p>д. 26, Московский проспект, Санкт-Петербург, 190013; д. 26, ул. Политехническая, Санкт-Петербург, 194021.</p><p>Тел.: +7 (812) 494-92-99, +7 (812) 712-77-91; +7 (812) 297-22-45; +7 (812) 297-10-17.</p></bio><bio xml:lang="en"><p>Anna Krasnova - Ph.D. Student, Junior Researcher At Ioffe Institute.</p><p>Education: Master + Bachelor in Electrochemistry, St. Petersburg State Technological Institute (Technical University), 2015.</p><p>Research interests: fuel cells; electrochemical methods of investigation;</p><p>catalysis.</p><p>Publications: 11.</p><p>ResearcherID: M-3787-2015.</p><p>26 Moskovsky Av., St. Petersburg, 190013; 26 Polytehnicheskaya St., St. Petersburg, 194021.</p><p>Tel.: +7 (812) 494 92 99, +7 (812) 712 77 91; +7 (812) 297 22 45, +7 (812) 297 10 17.</p></bio><email xlink:type="simple">office@technolog.edu.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>Глебова</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Glebova</surname><given-names>N. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Глебова Надежда Викторовна - кандидат физико-математических наук, научный сотрудник ФТИ им. А.Ф. Иоффе.</p><p>Образование: СПбГТИ (ТУ) (2003 г.).</p><p>Область  научных  интересов:  топливные элементы; нанокатализаторы; электрохимия.</p><p>Публикации: 33, включая монографию.</p><p>h-index: 5.</p><p>д. 26, ул. Политехническая, Санкт-Петербург, 194021.</p><p>Тел.: +7 (812) 297-22-45; +7 (812) 297-10-17.</p></bio><bio xml:lang="en"><p>Nadezhda Glebova - Information about the author: Ph.D. in  Physics  and  Mathematics, Researcher at Ioffe Institute.</p><p>Education: St. Petersburg State</p><p>Technological   Institute   (Technical University), 2003.</p><p>Research  interests:   fuel   cell; nanocatalyst; electrochemistry.</p><p>Publications: 33, including a monograph.</p><p>26 Polytehnicheskaya St., St. Petersburg, 194021.</p><p>Tel.: +7 (812) 297 22 45, +7 (812) 297 10 17.</p></bio><email xlink:type="simple">post@mail.ioffe.ru</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>Нечитайлов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Nechitailov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нечитайлов Андрей Алексеевич - доктор технических наук, старший научный сотрудник ФТИ им. А.Ф. Иоффе.</p><p>Образование: ЛТИ (ТУ) (1983 г.).</p><p>Область  научных  интересов:  аналитическая химия; физическая химия; топливные элементы; катализаторы.</p><p>Публикации: более 100.</p><p>h-index: 6.</p><p>д. 26, ул. Политехническая, Санкт-Петербург, 194021.</p><p>Тел.: +7 (812) 297-22-45; +7 (812) 297-10-17.</p></bio><bio xml:lang="en"><p>Andrey Nechitailov -  Ph.D. in Engineering, Senior Researcher at Ioffe Institute. Education: LTI (TU), 1983.</p><p>Research interests: analytical chemistry; physical chemistry; fuel cells; catalysts.</p><p>Publications: more than 100.</p><p>26 Polytehnicheskaya St., St. Petersburg, 194021.</p><p>Tel.: +7 (812) 297 22 45, +7 (812) 297 10 17.</p></bio><email xlink:type="simple">post@mail.ioffe.ru</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>Томасов</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tomasov</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Томасов Александр Александрович - кандидат физико-математических наук,</p><p>старший научный сотрудник ФТИ им. А.Ф. Иоффе.</p><p>Образование:   ЛПИ   им.   М.И.   Калинина (СПбПУ) (1973 г.).</p><p>Область  научных  интересов:  топливные элементы;    нанокатализаторы;    спектроскопия электрохимического импеданса.</p><p>Публикации: 72, включая монографию.</p><p>h-index: 6 (WoS).</p><p>Scopus 4.</p><p>д. 26, ул. Политехническая, Санкт-Петербург, 194021.</p><p>Тел.: +7 (812) 297-22-45; +7 (812) 297-10-17.</p></bio><bio xml:lang="en"><p>Aleksandr Tomasov - Ph.D. in  Physics  and  Mathematics, Senior Researcher at Ioffe Institute.</p><p>Education: LPI (SPbPU), 1973.</p><p>Research  interests:   fuel   cell; nanocatalyst;    electrochemical    impedance spectroscopy.</p><p>Publications: 72, including a monograph.</p><p>26 Polytehnicheskaya St., St. Petersburg, 194021.</p><p>Tel.: +7 (812) 297 22 45, +7 (812) 297 10 17.</p></bio><email xlink:type="simple">post@mail.ioffe.ru</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>Зеленина</surname><given-names>Н. К.</given-names></name><name name-style="western" xml:lang="en"><surname>Zelenina</surname><given-names>N. K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Зеленина Наталия Кирилловна  - научный  сотрудник  ФТИ им. А.Ф. Иоффе.</p><p>Образование: СПбГЭТУ (ЛЭТИ) (1979 г.).</p><p>Область   научных   интересов:   топливные элементы; нанокатализаторы; метод вольтамперных характеристик.</p><p>Публикации: 51.</p><p>h-index: 5.</p><p>д. 26, ул. Политехническая, Санкт-Петербург, 194021.</p><p>Тел.: +7 (812) 297-22-45; +7 (812) 297-10-17.</p></bio><bio xml:lang="en"><p>Nataliya Zelenina - Researcher at Ioffe Institute.</p><p>Education:     SPbEU     (LETI), 1979.</p><p>Research  interests:   fuel   cell; nanocatalyst;   method   of   current-voltage characteristics.</p><p>Publications: 51.</p><p>26 Polytehnicheskaya St., St. Petersburg, 194021.</p><p>Tel.: +7 (812) 297 22 45, +7 (812) 297 10 17.</p></bio><email xlink:type="simple">post@mail.ioffe.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Санкт-Петербургский государственный технологический институт (технический университет); Физико-технический институт им. А.Ф. Иоффе РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Saint-Petersburg State Institute of Technology; Ioffe Institute</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Физико-технический институт им. А.Ф. Иоффе РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ioffe Institute</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>17</day><month>10</month><year>2018</year></pub-date><volume>0</volume><issue>19-21</issue><fpage>40</fpage><lpage>51</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Международный издательский дом научной периодики "Спейс, 2018</copyright-statement><copyright-year>2018</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/1448">https://www.isjaee.com/jour/article/view/1448</self-uri><abstract><p>Методами вольтамперных характеристик и спектроскопии электрохимического импеданса исследованы особенности переноса протонов и электронов в высокопористых электродах водородного топливного элемента, содержащих Nafion преимущественно в островковой форме, в широком диапазоне концентрации.</p><p>Электродные структуры изготавливались в два этапа: 1) механическое смешивание платинированной углеродной сажи типа E-TEK, углеродных нановолокон типа Таунит МД (производство г. Тамбов) и водно-и-пропанольной дисперсии Nafion; 2)  ультразвуковая гомогенизация для получения однородной дисперсии электродного материала. Далее полученную дисперсию наносили непосредственно на протонпроводящую мембрану типа Nafion-212. Количество исходных компонентов измеряли гравиметрически, компонентный состав электродного материала контролировали посредством термогравиметрического анализа. Структуру полученных материалов исследовали методами сканирующей и просвечивающей электронной микроскопии.</p><p>Изготовленные электроды в составе мембранно-электродного блока активировали путем многократного циклического изменения разности потенциалов: от потенциала разомкнутой цепи до ~0 до стабилизации вольтамперных характеристик. Ионное сопротивление, определяемое сопротивлением переносу протонов, измеряли методом электрохимического импеданса в области высоких частот годогрофа и методом вольтамперных характеристик во влажном (активированном) электроде в составе мембранно-электродного блока. Электронное сопротивление измеряли в воздушно-сухом электроде, в котором ионное сопротивление сухого Nafion на несколько порядков больше электронного и практически не вносит вклад в измеренное сопротивление.</p><p>Установлено, что зависимость ионного сопротивления от содержания Nafion имеет минимум при 40 % масс. Электронное сопротивление линейно возрастает с увеличением содержания Nafion. Экстремальный характер зависимости ионного сопротивления от содержания Nafion объясняется снижением концентрации центров генерации воды (наночастиц платины) при увеличении содержания Nafion до некоторого практического значения, при котором вырабатываемой воды недостаточно для полного увлажнения Nafion.</p></abstract><trans-abstract xml:lang="en"><p>Using the methods of current-voltage characteristics and spectroscopy of electrochemical impedance, the paper studies the features of proton and electron transfer in high-porous electrodes of the hydrogen fuel cell containing Nafion mainly in insular form in a wide range of concentrations.</p><p>Electrode structures were manufactured in two steps: 1. Mechanical mixing of platinized carbon black of the E-TEK type, carbon nanofibers of the Taunit MD type (manufactured in Tambov) and the water -i-propanol dispersion of Nafion; 2. Ultrasonic homogenization to obtain a homogeneous dispersion of electrode material. The resulting dispersion was applied directly to a proton-conductive membrane of the Nafion-212 type. The quantities of the initial components were measured gravimetrically, the component composition of the electrode material was monitored by thermogravimetric analysis. The structure of the obtained materials was studied by the methods of scanning and transmission electron microscopy.</p><p>The given electrodes in the membrane-electrode assembly were activated by repeatedly cycling the potential difference from the potential of the open circuit to ~ 0 until the voltage-current characteristics stabilized. The ion resistance determined by the resistance to proton transfer was measured by the method of electrochemical impedance in the region of high frequencies of the hodograph and by the method of current-voltage characteristics in a wet (activated) electrode in the membrane-electrode assembly. The electronic resistance was measured in an air-dry electrode in which the ionic resistance of a dry Nafion was several orders of magnitude larger than the electron resistance and practically did not contribute to the value of the measured resistance.</p><p>The dependence of the ion resistance on the Nafion content is shown to have a minimum at 40% mass. The electronic resistance increases linearly with the increase in the Nafion content. The extreme nature of the dependence of the ion resistance on the Nafion content is explained by the decrease in the concentration of the water generation centers (platinum nanoparticles) with the increase in the Nafion content to some practical value at which the water produced is not sufficient to completely moisten Nafion.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>водородный топливный элемент</kwd><kwd>катализатор</kwd><kwd>ионный транспорт</kwd><kwd>диффузия</kwd><kwd>протонпроводящий полимер</kwd><kwd>углеродные нановолокна</kwd><kwd>электровосстановление кислорода</kwd></kwd-group><kwd-group xml:lang="en"><kwd>hydrogen fuel cell</kwd><kwd>catalyst</kwd><kwd>ion transport</kwd><kwd>diffusion</kwd><kwd>proton-conducting polymer</kwd><kwd>carbon nanofibres</kwd><kwd>electroreduction of oxygen</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">РФФИ; «УМНИК»; стипендии Президент РФ; Отдел структурных  исследований  ИОХ  РАН</funding-statement><funding-statement xml:lang="en">RFBR; “UMNIK” ; President of The Russian Federation; The Department of structural studies at the Institute of Organic Chemistry Russian Academy of Sciences</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">PEM Fuel cell testing and diagnosis / Zhang J. [et al.] – Elsevier, 2013. – 600 p.</mixed-citation><mixed-citation xml:lang="en">Zhang J. et al. PEM Fuel cell testing and diagnosis. Elsevier, 2013; 600 p.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Parthasarathy, A. Temperature dependence of the electrode kinetics of oxygen reduction at the platinum/Nafion interface – a microelectrode investigation / A. Parthasarathy [et al.] // J. Electrochem. Soc. – 1992. – Vol. 139. – No. 9. – P. 2530–2537.</mixed-citation><mixed-citation xml:lang="en">Parthasarathy A. et al. Temperature dependence of the electrode kinetics of oxygen reduction at the platinum/Nafion interface – a microelectrode investigation. J. Electrochem. Soc., 1992;139(9):2530–2537.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Wagner, N. Electrochemical impedance spectra of solid-oxide fuel cells and polymer membrane fuel cells / N. Wagner [et al.] // Electrochim. Acta. – 1998. – Vol. 43. – P. 3785–93.</mixed-citation><mixed-citation xml:lang="en">Wagner N. et al. Electrochemical impedance spectra of solid-oxide fuel cells and polymer membrane fuel cells. Electrochim. Acta, 1998;43:3785–93.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">PEM Fuel Cell Electrocatalysts and Catalyst Layers: Fundamentals and Applications / Zhang J. – London: Springer, 2008. – 1137 p.</mixed-citation><mixed-citation xml:lang="en">Zhang J. PEM Fuel Cell Electrocatalysts and Catalyst Layers: Fundamentals and Applications. London: Springer, 2008; 1137 p.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Глебова, Н.В. Катод водородного топливного элемента с модифицированными структурой и гидрофобностью / Н.В. Глебова [и др.] // ЖПХ. – 2015. – Т. 88. – Вып. 5. – С. 726–731.</mixed-citation><mixed-citation xml:lang="en">Nechitailov  A.A.,  Glebova  N.V.,  Krasnova A.O., Tomasov A.A., Zelenina N. K. Cathode of hydrogen fuel cell, with  modified structure and hydrophobicity.   Russian   Journal   of   Applied   Chemistry, 2015;58(5):769–774.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Нечитайлов, А.А. Особенности массового транспорта на катоде водородного топливного элемента в присутствии УНТ / А.А. Нечитайлов [и др.] // ЖТФ. – 2015. – Т. 85. – Вып. 11. – С. 97–103.</mixed-citation><mixed-citation xml:lang="en">Nechitailov A.A., Glebova N.V., Krasnova A.O., Tomasov A.A., Zelenina N. K. Mass transport at the cathode of a hydrogen fuel cell in the presence of carbon nanotubes. Technical Physics, 2015;60(11):1670–1676.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">Краснова, А.О. Технология и структурные характеристики электродного материала системы Pt/C-Таунит МД-Nafion / А.О. Краснова [и др.] // ЖПХ. – 2016. – Т. 89. – Вып. 6. – С. 756–761.</mixed-citation><mixed-citation xml:lang="en">Krasnova A.O., Glebova N.V., Nechitailov A.A. Technology and structural characteristics of electrode material in the Pt/C-Taunite-MD–Naﬁon system. Russian Journal of Applied Chemistry, 2016;89(5):916−920.</mixed-citation></citation-alternatives></ref><ref id="cit8"><label>8</label><citation-alternatives><mixed-citation xml:lang="ru">Глебова, Н.В. Особенности структурообразования и электрохимические характеристики катода водородного топливного элемента в присутствии гидрофобизатора и углеродных нанотрубок / Н.В. Глебова [и др.] // Электрохимия. – 2017. – Т. 53. – Вып. 2. – С. 227–232.</mixed-citation><mixed-citation xml:lang="en">Glebova N.V., Nechitailov A.A., Krasnova A.O., Tomasov A.A., Zelenina N. K. Structure formation and electrochemical  characteristics  of  the  platinum-carbon cathode of the hydrogen fuel cell in the presence of a water repellent and carbon nanotubes. Russian Journal of Electrochemistry, 2017;53(2):205−209.</mixed-citation></citation-alternatives></ref><ref id="cit9"><label>9</label><citation-alternatives><mixed-citation xml:lang="ru">Краснова, А.О. Структурообразование в технологии электродного материала, содержащего наночастицы платины на углеродной саже, протонпроводящий полимер Nafion и терморасширенный графит / А.О. Краснова [и др.] // ЖПХ. – 2017. – Т. 90. – Вып. 3. – С. 299–306.</mixed-citation><mixed-citation xml:lang="en">Krasnova  A.O.,  Glebova  N.V.,  Zhilina  D.V., Nechitailov A.A. Structuring in the formation technology  of  electrode  material  based  on  Nafion  protonconducting  polymer  and  thermally  expanded  graphite containing platinum nanoparticles on carbon black. Russian Journal of Applied Chemistry, 2017;90(3):361−368.</mixed-citation></citation-alternatives></ref><ref id="cit10"><label>10</label><citation-alternatives><mixed-citation xml:lang="ru">Litster S. PEM fuel cell electrodes / S. Litster, G. McLean // J. Power Sources. – 2004. – Vol. 130. – P. 61–76.</mixed-citation><mixed-citation xml:lang="en">Litster S., McLean G. PEM fuel cell electrodes. J. Power Sources, 2004;130:61–76.</mixed-citation></citation-alternatives></ref><ref id="cit11"><label>11</label><citation-alternatives><mixed-citation xml:lang="ru">УНТ серии «Таунит» [Электронный ресурс]. – Режим доступа: http://www.nanotc.ru/index.php/producrions/87-cnm-taunit – Заглавие с экрана. – (Дата обращения: 08.06.2018).</mixed-citation><mixed-citation xml:lang="en">UNT  “Taunit”  [E-resource].  Access  mode: http://www.nanotc.ru/index.php/producrions/87-cnm-taunit – Title from the screen (06.08.2018) (in Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit12"><label>12</label><citation-alternatives><mixed-citation xml:lang="ru">Fuel Cell [Электронный ресурс]. – Режим доступа: http://fuelcell.com/product/fc-05-02/ – Заглавие с экрана. – (Дата обращения: 08.06.2018).</mixed-citation><mixed-citation xml:lang="en">Fuel   Cell   [E-resource]   –   Access   mode: http://fuelcell.com/product/fc-05-02/ (06.08.2018).</mixed-citation></citation-alternatives></ref><ref id="cit13"><label>13</label><citation-alternatives><mixed-citation xml:lang="ru">Пат. 2487442 Российская Федерация, МПК H01M 8/04. Способ активации мембранно-электродного блока / Андроников Д.А., Зеленина Н.К., Терукова Е.Е., Томасов А.А.; заявитель и патентообладатель ФТИ им. А.Ф. Иоффе РАН – № 2012107563/07; опубл. 10.07.2013. Бюл. №19.</mixed-citation><mixed-citation xml:lang="en">Pat. 2487442 Russian Federation, IPC H01M 8/04 The method of activation of membrane-electrode assembly (Sposob aktivatsii membranno-elektrodnogo bloka)  /  Andronikov  D.A.,  Zelenina  N.K.,  Terukova E.E., Tomasov A.A.; Applicant and patent holder Ioffe institute – No. 2012107563/07; publ. 07/10/2013. Bul. no. 19 (in Russ.).</mixed-citation></citation-alternatives></ref><ref id="cit14"><label>14</label><citation-alternatives><mixed-citation xml:lang="ru">Sone, Y. Conductivity of Nafion 117 as Measured by a Four‐Electrode AC Impedance Method / Y. Sone [et al.] // J. Electrochem. Soc. – 1996. – Vol. 143. – Issue 4. – P. 1254–1259.</mixed-citation><mixed-citation xml:lang="en">Sone Y.  et al.Conductivity of Nafion 117 as Measured by a Four‐Electrode AC Impedance Method. J. Electrochem. Soc., 1996;143(4);1254–1259.</mixed-citation></citation-alternatives></ref><ref id="cit15"><label>15</label><citation-alternatives><mixed-citation xml:lang="ru">Cooper, K.R. Electrical test methods for on-line fuel cell ohmic resistance measurement / K.R. Cooper, M. Smith // Journal of Power Sources. – 2006. – Vol. 160. – P. 1088–1095.</mixed-citation><mixed-citation xml:lang="en">Cooper K.R., Smith M. Electrical test methods for on-line fuel cell ohmic resistance measurement. Journal of Power Sources, 2006;160:1088–1095.</mixed-citation></citation-alternatives></ref><ref id="cit16"><label>16</label><citation-alternatives><mixed-citation xml:lang="ru">Lefebvre, M. C. Characterization of Ionic Conductivity Profiles within Proton Exchange Membrane Fuel Cell Gas Diffusion Electrodes by Impedance Spectroscopy / M. C. Lefebvre [et al.] // Electrochem. Solid-State Lett. – 1999. – Vol. 2. – Issue 6. – P. 259–261.</mixed-citation><mixed-citation xml:lang="en">Lefebvre M.C., et al. Characterization of Ionic Conductivity Profiles within Proton Exchange Membrane Fuel Cell Gas Diffusion Electrodes by Impedance Spectroscopy.       Electrochem.       Solid-State       Lett., 1999;2(6):259–261.</mixed-citation></citation-alternatives></ref><ref id="cit17"><label>17</label><citation-alternatives><mixed-citation xml:lang="ru">Cimentia, M. Investigation of Proton Transport in the Catalyst Layer of PEM Fuel Cells by Electrochemical Impedance Spectroscopy / M. Cimentia [et a l.] // The Electrochemical Society. – 2010. – Vol. 28. – No. 23. – P. 147–157.</mixed-citation><mixed-citation xml:lang="en">Cimentia M. et al.Investigation of Proton Transport in the Catalyst Layer of PEM Fuel Cells by Electrochemical Impedance Spectroscopy. The Electrochemical Society, 2010;28(23):147–157.</mixed-citation></citation-alternatives></ref><ref id="cit18"><label>18</label><citation-alternatives><mixed-citation xml:lang="ru">Jang, J. H. Complex capacitance analysis of ionic resistance and interfacial capacitance in PEMFC and DMFC catalyst layers / J. H. Jang [et a l.] // Journal of Electrochemical Society. – 2009. – Vol. 156. – No. 11. – P. B1293–B1300.</mixed-citation><mixed-citation xml:lang="en">Jang J.H. et al. Complex capacitance analysis of ionic resistance and interfacial capacitance in PEMFC and DMFC catalyst layers. Journal of Electrochemical Society, 2009;156(11):B1293–B1300.</mixed-citation></citation-alternatives></ref><ref id="cit19"><label>19</label><citation-alternatives><mixed-citation xml:lang="ru">Jiang, R. Through-plane proton transport resistance of membrane and ohmic resistance distribution in fuel cells / R. Jiang [et a l.] // Journal of Electrochemical Society. – 2009. – Vol. 156. – No. 12. – P. B1400–1446.</mixed-citation><mixed-citation xml:lang="en">Jiang R. et al. Through-plane proton transport resistance of membrane and ohmic resistance distribution in fuel cells. Journal of Electrochemical Society, 2009;156(12):B1400–1446.</mixed-citation></citation-alternatives></ref><ref id="cit20"><label>20</label><citation-alternatives><mixed-citation xml:lang="ru">Malevich, D. On the determination of PEM fuel cell catalyst layer resistance from impedance measurement in H2/N2 cells / D. Malevich [et a l.] // Journal of Electrochemical Society. – 2012. – Vol. 159. – No. 12. – P. F888–F 895.</mixed-citation><mixed-citation xml:lang="en">Malevich D. et a l. On the determination of PEM fuel cell catalyst layer resistance from impedance measurement in H2/N2 cells. Journal of Electrochemical Society, 2012;159(12):F888–F895.</mixed-citation></citation-alternatives></ref><ref id="cit21"><label>21</label><citation-alternatives><mixed-citation xml:lang="ru">Makharia, R. Measurement of Catalyst Layer Electrolyte Resistance in PEFCs Using Electrochemical Impedance Spectroscopy / R. Makharia [et a l.] // Journal of Electrochemical Society. – 2005 – Vol. 152. – No. 5. – P. A970–A977.</mixed-citation><mixed-citation xml:lang="en">Makharia  R.  et  al.  Measurement  of  Catalyst Layer Electrolyte Resistance in PEFCs Using Electrochemical Impedance Spectroscopy. Journal of Electrochemical Society, 2005;152(5)A970–A977.</mixed-citation></citation-alternatives></ref><ref id="cit22"><label>22</label><citation-alternatives><mixed-citation xml:lang="ru">Cruz-Manzo, S. Inductive Effect on the Fuel Cell Cathode Impedance Spectrum at High Frequencies / S. Cruz-Manzo [et a l.] // Journal of Fuel Cell Science and Technology. – 2012. – Vol. 9. – P. 051002-1– 051002-8.</mixed-citation><mixed-citation xml:lang="en">Cruz-Manzo S. et al. Inductive Effect on the Fuel Cell Cathode Impedance Spectrum at  High Frequencies / S. Cruz-Manzo. Journal of Fuel Cell Science and Technology, 2012;9:051002-1–051002-8.</mixed-citation></citation-alternatives></ref><ref id="cit23"><label>23</label><citation-alternatives><mixed-citation xml:lang="ru">Качала, В.В. Комплексное исследование структуры и механизмов получения и превращений газообразных, жидких и твердых химических систем методами масс-спектрометрии, спектроскопии ЯМР и электронной микроскопии / В.В. Качала [и др.] // Успехи химии. – 2013. – Т. 82. – C. 648–685.</mixed-citation><mixed-citation xml:lang="en">Kachala V.V., Khemchyan L.L., Kashin A.S., Orlov  N.V.,  Grachev  A.A.,  Zalesskiy S.S.,  Ananikov V.P. Target-oriented analysis of gaseous, liquid and solid chemical systems by mass spectrometry, nuclear magnetic resonance spectroscopy and electron microscopy. Russ. Chem. Rev., 2013;82(7):648–685.</mixed-citation></citation-alternatives></ref><ref id="cit24"><label>24</label><citation-alternatives><mixed-citation xml:lang="ru">Кашин, А.С. Формирование наноразмерных покрытий и наночастиц металлов путем магнетронного распыления и их исследование методом сканирующей электронной микроскопии / А.С. Кашин, В.П. Анаников // Изв. АН Сер. Хим. – 2011. – № 12. – С. 2551–2556.</mixed-citation><mixed-citation xml:lang="en">Kashin A.S., Ananikov V.P. A SEM study of nanosized metal films and metal nanoparticles obtained by  magnetron  sputtering.  Russian  Chemical  Bulletin, 2011;60(12):2602–2607.</mixed-citation></citation-alternatives></ref><ref id="cit25"><label>25</label><citation-alternatives><mixed-citation xml:lang="ru">Глебова, Н.В. Ионный транспорт в пористых электродах со смешанной проводимостью / Н.В. Глебова [и др.] // ЖТФ – 2017. – Т. 87. – Вып. 6. – С. 880–883.</mixed-citation><mixed-citation xml:lang="en">Glebova, N.V. Ion transport in porous electrodes with      mixed      conductivity.      Technical      Physics, 2017;62(6):895–898.</mixed-citation></citation-alternatives></ref><ref id="cit26"><label>26</label><citation-alternatives><mixed-citation xml:lang="ru">Shetzline, J.A. Quantifying Electronic and Ionic Conductivity Contributions in Carbon/Polyelectrolyte Composite Thin Films / J.A. Shetzline, S.E. Creager // Journal of the electrochemical society. – 2014. – Vol. 161. – No. 14. – P. H917–H923.</mixed-citation><mixed-citation xml:lang="en">Shetzline J.A., Creager S.E. Quantifying Electronic and Ionic Conductivity Contributions in Carbon/Polyelectrolyte Composite Thin Films. Journal of the Electrochemical Society, 2014;161(14):H917–H923.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
