Для цитирования:
Моисеева Т. А., Сафонова А. Г., Мясоедова Т. Н. Исследование композитов на основе сульфидов кобальта и никеля с азотированным углеродом из биомассы сорго для электродов суперконденсаторов // Электрохимическая энергетика. 2026. Т. 26, вып. 2. С. 75-90. DOI: 10.18500/1608-4039-2026-26-2-75-90, EDN: NURVXR
Исследование композитов на основе сульфидов кобальта и никеля с азотированным углеродом из биомассы сорго для электродов суперконденсаторов
Из жмыха сорго гидротермальной обработкой с последующей активацией получена углеродная матрица, допированная азотом, с удельной поверхностью 2668 м2 /г. Гидротермальным синтезом с тиомочевиной изготовлены композиты NC_CoS и NC_NiS. Методами СЭМ, низкотемпературной адсорбции азота и рамановской спектроскопии показано, что в NC_CoS формируется кристаллическая сульфидная фаза, равномерно распределенная на углеродных нитях, тогда как в NC_NiS сульфидная фаза аморфна или высокодисперсна. Электрохимические исследования в 1M KOH выявили, что NC_CoS обладает удельной емкостью 115 Ф/г (1.3 А/г) и сохраняет 72% емкости после 3500 циклов, тогда как NC_NiS проявляет емкость лишь 38 Ф/г, близкую к исходному углероду, что обусловлено низкой псевдоемкостной активностью аморфной никельсодержащей фазы.
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