zldmЗаводская лаборатория. Диагностика материаловIndustrial laboratory. Diagnostics of materials1028-68612588-0187ООО «Издательство «ТЕСТ-ЗЛ»10.26896/1028-6861-2026-92-3-42-49zldm-2759Research ArticleИССЛЕДОВАНИЕ СТРУКТУРЫ И СВОЙСТВ. ФИЗИЧЕСКИЕ МЕТОДЫ ИССЛЕДОВАНИЯ И КОНТРОЛЯTESTING OF STRUCTURE AND PARAMETERS. PHYSICAL METHODS OF TESTING AND QUALITY CONTROLИсследование влияния сформированного каталитического слоя на электродах твердооксидных топливных элементов на их электрохимические характеристикиEvaluation of the effect of the formed catalytic layer on the electrodes of solid oxide fuel cells on the electrochemical characteristicsПлатёнкинА. В.PlatenkinA. V.

Алексей Владимирович Платёнкин

392000, г. Тамбов, Советская ул., д. 106

Alexey V. Platenkin

106, Sovetskaya ul., Tambov, 392000

lepilalex@yandex.ruЧернышовВ. Н.ChernyshovV. N.

Владимир Николаевич Чернышов

392000, г. Тамбов, Советская ул., д. 106

Vladimir N. Chernyshov

106, Sovetskaya ul., Tambov, 392000

ЧернышоваТ. Н.ChernyshovaT. I.

Татьяна Ивановна Чернышова

392000, г. Тамбов, Советская ул., д. 106

Tatiana I. Chernyshova

106, Sovetskaya ul., Tambov, 392000

Тамбовский государственный технический университетРоссияTambov State Technical UniversityRussian Federation2026260320269234249Copyright © Платёнкин А.В., Чернышов В.Н., Чернышова Т.Н., 20262026Платёнкин А.В., Чернышов В.Н., Чернышова Т.Н.Platenkin A.V., Chernyshov V.N., Chernyshova T.I.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.zldm.ru/jour/article/view/2759

С развитием малой энергетики и децентрализованного энергоснабжения растет интерес к схемам энергоснабжения на основе твердооксидных топливных элементов (ТОТЭ). Цель работы — исследование влияния сформированного каталитического слоя на электродах ТОТЭ на электрохимические характеристики элементов. Для создания слоя применяли вертикально ориентированные нанотрубки (ВОУНТ), на поверхность которых равномерно напыляли материал катализатора. Показано, что значительное увеличение активной площади поверхности катализатора вследствие сформированного таким образом слоя способствует существенному ускорению электрохимических процессов на трехфазной границе зоны реакции в ТОТЭ. В итоге повышается мощность топливных элементов. Кроме того, за счет повышенной химической стойкости, эффективного отвода тепла и структурной прочности ВОУНТ увеличивается ресурс работы ТОТЭ. Предложены метод и автоматизированная система контроля и создания каталитического слоя на электродах ТОТЭ. Проведенные исследования подтвердили значительный прирост удельной мощности и количества циклов включения-выключения топливных ячеек без потери мощности по сравнению с ячейками, полученными традиционными способами. Полученные результаты могут быть использованы для развития энергетических технологий, прежде всего в области альтернативных источников энергии, и совершенствования твердотельных энергоустановок.

With the development of small-scale energy and decentralized energy supply, there is a growing interest in energy supply schemes based on solid oxide fuel cells (SOFC). The purpose of the work is to study the effect of the formed catalytic layer on the electrodes of the SOFC on the electrochemical characteristics of the elements. Vertically aligment of carbon nanotubes (CNT) were used to create the layer, on the surface of which the catalyst material was uniformly sprayed. It is shown that a significant increase in the active surface area of the catalyst due to the layer formed in this way contributes to a significant acceleration of electrochemical processes at the three-phase boundary of the reaction zone in the SOFC. As a result, the power of the fuel cells increases. In addition, due to the increased chemical resistance, effective heat dissipation and structural strength of vertically aligment CNT, the service life of the SOFC increases. A method and an automated system for monitoring and creating a catalytic layer on SOFC electrodes are proposed. The conducted studies have confirmed a significant increase in the specific power and the number of on/off cycles of fuel cells without loss of power compared to cells obtained by traditional methods. The results obtained can be used for the development of energy technologies, primarily in the field of alternative energy sources, and the improvement of solid-state power plants.

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The authors declare that there are no conflicts of interest present.