Sintesis dan Karakterisasi nanopartikel a-MnO2 untuk Aplikasi superkapasitor
Abstract
Penelitian ini bertujuan untuk mengulas artikel tentang nanopartikel oksida mangan (a-MnO2). Nanopartikel mangan oksida (a MnO2) sangat dikenal karena kegunaannya terhadap pengembangan aplikasi superkapasitor. Dalam penelitian ini, nanopartikel a-MnO2 disintesis oleh metode pengendapan kimia sederhana dan berbiaya rendah serta nanopartikel a-MnO2 yang diperoleh dianil pada 500 C. Struktur dan morfologi nanopartikel hasil sintesis dikarakterisasi XRD dan teknik SEM. Perilaku fungsional dan elektrokimia dari nanopartikel oksida mangan diselidiki dengan FTIR dan teknik voltametri siklik. Spektrum XRD menunjukkan bahwa nanopartikel a-MnO2 hasil sintesis berstruktur tetragonal dan berukuran kristal nanopartikel dihitung sebagai 41,49 nm menggunakan rumus Scherrer. Ikatan Mn-O teramati pada 534 cm-1 dan 575 cm-1 melalui teknik FTIR. Karakterisasi CV menunjukkan nanopartikel a-MnO2 memiliki perilaku kapasitif yang baik, yang memprediksi aplikasi potensial dalam penyimpanan energi.
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