Pemanfaatan Sistem Hibrid Fotovoltaik – PLN pada Elektrolisis Kontinyu untuk Menghasilkan Hidrogen

Pramujo Widiatmoko, Tatto Bustomi, Muhammad Mara Ikhsan, Rizky Eka Ahmad, Isdiriayani Nurdin, Hary Devianto

Abstract


Produksi hidrogen melalui elektrolisis menggunakan energi matahari sangat potensial di Indonesia, namun terkendala oleh ketidakstabilan penyinaran matahari. Penggunaan sumber listrik konvensional sebagai komplementer dapat mengatasi ketidakstabilan tersebut. Dalam penelitian ini, elektrolisis air dilakukan dalam sel dengan ruang ganda dengan elektrolit larutan KOH 3 M. Variasi dilakukan terhadap jenis dan bentuk elektroda serta laju alir elektrolit. Sumber energi listrik divariasikan dengan sumber listrik konvensional dari PLN, modul fotovoltaik, serta hibrid dari kedua sistem tersebut. Kinerja elektrolisis dianalisis dengan mengukur volum hidrogen yang terbentuk, rapat energi yang dibutuhkan, serta efisiensi arus listrik. Hasil penelitian menunjukkan penggunaan sistem hibrid dapat menstabilkan produksi hidrogen untuk elektrolisis pada tegangan 15 V selama 7 jam operasi. Dibandingkan dengan penggunaan listrik PLN sepenuhnya, sistem hibrid memberikan peluang penghematan energi hingga 81,64%.

Keywords


elektrolisis, hidrogen, hibrid, kinerja, fotovoltaik

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DOI: http://dx.doi.org/10.37209/jtbbt.v10i2.184

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