Abstract
Bio-battery is defined as an energy storage device where the energy source comes from organic compounds. The electrical characteristics of the bio-battery can be obtained using to copper (Cu) and zinc (Zn) electrode pairs. Cassava pulp is used as the electrolyte. Cassava pulp is being fermented for 48 hours, 96 hours, and 144 hours and added 4% formalin. The electrolyte cell consists of 20 cell batteries in series with each mass is ±30 grams. The electrical characteristics of fermented cassava pulp are measured with 4 watts LED load and without load. The results show that the highest voltage is 20.66 V which is obtained by 144 hours fermented cassava pulp. The electrical characteristics in this research tend to constant due to the addition of preservatives (formalin).
Highlights
Bio-battery is defined as an energy storage device where the energy source comes from organic compounds
The results show that the highest voltage is 20.66 V which is obtained by 144 hours fermented cassava pulp
Pembuatan Bio Baterai Berbahan Dasar Kulit Pisang
Summary
Meningkatnya permintaan energi listrik di Indonesia saat ini tidak seimbang dengan ketersediaan suplai energi listrik atau krisis energi listrik sudah merupakan sesuatu yang tidak dapat dihindari. Energi alternatif tersebut selain merupakan energi yang ramah lingkungan merupakan energi yang dapat diperbaharui melalui pemanfaatan limbah organik, misalnya bio-baterai dari limbah singkong. Salah satu upaya yang dapat dilakukan untuk mengurangi limbah baterai tersebut adalah dengan mendaur ulang produksi baterai menggunakan bahan alami (Pulungan dkk, 2017). Pada saat ini sudah banyak peneliti yang mengembangkan alternatif dari baterai salah satunya adalah bio-baterai. Pada pembuatan bio-baterai kita dapat memanfaatkan bahan alam salah satunya limbah dari pengolahan singkong yaitu onggok. Limbah padat yang berasal dari proses pembersihan singkong disebut onggok (Prihandana dkk, 2011). Sifat yang terkandung dalam onggok singkong dapat dimanfaatkan sebagai pengganti pasta bio-baterai. Berdasarkan uraian permasalahan di atas, dapat dilakukan penelitian analisis karakteristik limbah onggok singkong sebagai pasta bio-baterai. Bio-baterai dibuat dari limbah onggok singkong yang digunakan sebagai pengganti pasta batu baterai.
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