Abstract

The critical need for renewable energy solutionsand effective agricultural waste management presentssignificant global challenges. This study aimed to evaluate thepotential of asparagus waste as a substrate for energygeneration in microbial fuel cell. Rich in organic compoundssuch as carbohydrates, proteins, and bioactive substances,asparagus waste demonstrated remarkable potential as abioelectricity substrate source. Key findings included a peakpower density of 235.213±24.118 mW/cm², a current density of4.685 A/cm², and an internal resistance of 56.874±4.517 Ω,observed on the thirteenth day of monitoring. Optimalparameters, including a pH of 4.777±0.146 and electricalconductivity of 139.841±4.254 mS/cm, further highlighted itsefficiency. Furthermore, connecting three MFCs in seriesgenerated a combined voltage of 2.86 V, sufficient to light anLED bulb, demonstrating the technology’s scalability. Thisresearch offers groundbreaking insights into the use ofasparagus waste, setting it apart from other agricultural byproductsdue to its unique composition and superior energyconversion efficiency. This novel approach not only facilitateswaste valorization but also lays the groundwork for sustainableenergy systems, especially in asparagus-producing regions suchas Peru. By establishing a framework for standardizing MFCparameters, this study contributes to the advancement ofscalable renewable energy systems while promotingenvironmental conservation and delivering economic benefits toagricultural communities. Future investigations could focus onimproving system efficiency and expanding its applicabilityacross different contexts.