PEM Fuel Cell Demonstration Instrument for School Chemistry Overview This proton exchange membrane fuel cell is designed for classroom demonstrations and laboratory exercises. It uses a polymer membrane between two electrodes to show the electrochemical conversion of hydrogen and oxygen into electrical energy. The main components, including the membrane, electrodes, and catalysts, are imported to ensure consistent operation and reliable demonstration results. Key Benefits Clear demonstration of fuel cell principles: visually and electrically shows how hydrogen is converted to electricity and how water is formed at the cathode. Stable, repeatable performance: quality components provide consistent output for classroom experiments and multiple sessions. Teachingoriented design: suitable for teacherled demonstrations, student experiments, and lab exercises that require a safe, controlled fuel cell model. Compatible with standard lab equipment: can be used with common gas supplies, voltmeters, ammeters, simple loads, and data loggers for measurement and analysis. Features and Attributes Type: PEM fuel cell (proton exchange membrane) constructed from a polymer membrane sandwiched between anode and cathode electrodes. Materials: polymer membrane, electrodes, and catalysts supplied as imported components for stable performance. Function: converts chemical energy of hydrogen and oxygen into electrical energy while producing water as the main byproduct. Operation principle: hydrogen at the anode is split into protons and electrons. Electrons travel from anode to cathode through an external circuit, producing current. At the cathode, electrons, protons, and oxygen combine to form water. Performance focus: designed to illustrate proton exchange, electron flow, and electrochemical reactions with reliable, repeatable behavior suitable for instructional use. Recommended Use Scenarios school chemistry demonstrations: show the working principle of fuel cells to a classroom, including measuring voltage and current while observing water formation. Laboratory exercises: integrate into student lab protocols to calculate electrical output, efficiency trends, and relationships between load and cell voltage. Science fair or project work: provide a robust, demonstrable fuel cell for student projects that compare theoretical and measured behavior. Setup and Compatibility Notes Intended for bench classroom and laboratory setups. Compatible with standard hydrogen gas sources used in school labs and with common electrical measurement instruments such as voltmeters, ammeters, and simple resistive loads. Requires basic lab safety procedures for handling hydrogen gas and electrical equipment. Why choose this model for teaching Delivers a straightforward, handson way to study proton exchange membrane fuel cell operation. Uses reliable imported components to reduce variability between demonstrations. Built for repeated instructional use with steady performance suitable for student experiments and teacher demonstrations. This instrument provides a practical and reliable platform for teaching the fundamentals of PEM fuel cell operation, proton transport, electron flow, and water generation in a classroom or laboratory setting.