Indonesia merupakan negara yang kaya akan sumber daya alam seperti kelapa sawit dan padi. Limbah biomassa tersebut yang berupa tandan kosong kelapa sawit dan sekam padi dapat dimanfaatkan sebagai karbon aktif melalui proses pirolisis. Baterai logam udara terdiri dari tiga bagian utama, anoda berupa logam seperti aluminium dan seng, elektrolit sebagai media penghantar dan katoda yang dapat berupa karbon aktif sebagai media penyerap oksigen di udara. Penelitian ini menggunakan dua jenis karbon aktif yaitu dari sekam padi dan tandan kosong kelapa sawit (TKKS), dua jenis logam yaitu alumunium dan seng, serta tiga jenis larutan elektrolit, yaitu NaOH, HCl, dan NaCl. Berdasarkan hasil penelitian diperoleh bahwa kuat arus tertinggi terdapat pada elektrolit HCl dengan anoda berupa seng dan karbon aktif yang berasal dari sekam padi dan tegangan tertinggi diperoleh pada elektrolit NaOH dengan anoda berupa aluminium dan karbon aktif berasal dari tandan kosong kelapa sawit. Kata Kunci : Metal-air batteries, sekam padi, tandan kosong kepala sawit (TKKS)
This study investigated the effect of the ratio of the electrolyte paste mixture of cassava peel (CP) and pineapple peel (PP) on the voltage and current strength. In the experiments, prior to using, CP and PP biomass waste was cleaned then soaked for 30 minutes. Furthermore, the biomass waste is mashed and put into the test media according to the comparison. In this study, CP/PP compositions were varied with the value of 100: 0, 75:25, 50:50, 25:75, and 0: 100. The results showed that the highest electrolyte obtained by voltage and current strength with a ratio of 100: 0. The more CP comparisons used, the greater the voltage and strong current. This research is potentially used as one of the renewable alternative energies and can utilize existing biomass waste.This study investigated the effect of the ratio of the electrolyte paste mixture of cassava peel (CP) and pineapple peel (PP) on the voltage and current strength. In the experiments, prior to using, CP and PP biomass waste was cleaned then soaked for 30 minutes. Furthermore, the biomass waste is mashed and put into the test media according to the comparison. In this study, CP/PP compositions were varied with the value of 100: 0, 75:25, 50:50, 25:75, and 0: 100. The results showed that the highest electrolyte obtained by voltage and current strength with a ratio of 100: 0. The more CP comparisons used, the greater the voltage and strong current. This research is potentially used as one of the renewable alternative energies and can utilize existing biomass waste
This study investigated the effect of the ratio of the electrolyte paste mixture of cassava peel (CP) and pineapple peel (PP) on the voltage and current strength. In the experiments, prior to using, CP and PP biomass waste was cleaned then soaked for 30 minutes. Furthermore, the biomass waste is mashed and put into the test media according to the comparison. In this study, CP/PP compositions were varied with the value of 100: 0; 75:25; 50:50; 25:75; and 0: 100. The results showed that the highest electrolyte obtained by voltage and current strength with a ratio of 100: 0. The more CP comparisons used, the greater the voltage and strong current. This research is potentially used as one of the renewable alternative energies and can utilize existing biomass waste.
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