Модификация электродов для увеличения генерации электроэнергии в растительных микробных топливных элементах

Растительные микробные топливные элементы (РМТЭ) представляют собой альтернативу традиционным источникам электроэнергии, однако их применение ограничено невысокими электрохимическими характеристиками. Для повышения производительности РМТЭ используют различные модификации электродов. Проведено электрохимическое осаждение MnO₂ на поверхность углеродного войлока с последующим использованием в качестве бифункционального материала для анода и катода в системах РМТЭ. Сравнение образцов углеродного войлока проводили по значениям электроактивной площади поверхности и количеству дефектов, установленных с помощью циклической вольтамперометрии и спектроскопии комбинационного рассеяния соответственно. Мощность систем РМТЭ составила 15, 2 и 33 мВт/м² для контрольной системы РМТЭ, РМТЭ-анод-MnO₂ и РМТЭ-катод-MnO₂ соответственно. Применение MnO₂ на катоде в составе РМТЭ обеспечивает двукратное увеличение генерации энергии.

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