Dunyushkina Liliya Adibovna RussiaYekaterinburg Institute of high-temperature Electrochemistry UB of RAS, 20, Akademicheskaya St., Yekaterinburg, 620990старший научный сотрудникканд. физ.-мат. наукlidung@list.ru Author's articles Solid oxide fuel cells with film electrolyte: problems and perspectives