Nada Salaemea PNU Wittayanusorn School, Princess Of Naradhiwas University
Introduction
The increasing demand for sustainable and environmentally friendly energy solutions has encouraged the exploration of alternative power sources derived from natural materials. This project presents an innovative bioelectric energy system utilizing citrus fruit as a natural electrolyte to generate electricity through simple electrochemical reactions. The innovation was designed as an educational and low-cost renewable energy prototype that promotes scientific learning and environmental awareness.
Problem Statement
Conventional batteries and electrical power systems often rely on hazardous chemicals, high production costs, and non-renewable resources, leading to environmental pollution and electronic waste. In many educational settings, students have limited access to practical renewable energy experiments that are affordable, safe, and easy to understand. Therefore, there is a need for a simple and eco-friendly energy generation model that can demonstrate basic electrical principles while promoting sustainable practices.
Solution
The proposed solution is a citrus-based bio-battery system developed using natural acidic fruits combined with conductive metal electrodes to produce electrical energy. The project demonstrates how citric acid can function as an electrolyte capable of generating voltage sufficient to power small electronic components. The innovation integrates low-cost materials, simple assembly methods, and practical experimentation to create an accessible renewable energy learning platform suitable for schools and community applications.
Impacts
This innovation enhances students’ understanding of renewable energy, electrochemistry, and sustainable technology through hands-on experimentation. It encourages environmental consciousness by demonstrating the potential use of biodegradable and natural resources for electricity generation. The project also promotes creativity, scientific problem-solving, and STEM education while reducing dependence on conventional disposable batteries for small-scale educational activities.
Commercialization Potential
The developed bio-battery system has strong commercialization potential as an educational science kit, STEM learning module, and eco-friendly demonstration product for schools, science centers, and environmental exhibitions. With further optimization in energy efficiency and design, the product can be expanded into interactive learning packages and sustainable energy awareness programs targeting educational institutions and youth innovation markets.