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A fuel cell is an electrochemical cell that converts the potential energy from a fuel into electricity through an electrochemical reaction of hydrogen fuel with oxygen or another oxidizing agent. Fuel cells are different from batteries in requiring a continuous source of fuel and oxygen (usually from air) to sustain the chemical reaction, whereas in a battery the chemical energy comes from ...

A fuel cell is a device that converts chemical potential energy (energy stored in molecular bonds) into electrical energy. A PEM (Proton Exchange Membrane) cell uses hydrogen gas (H2) and oxygen gas (O2) as fuel. The products of the reaction in the cell are water, electricity, and heat.

A hydrogen fuel cell electric vehicle is powered by a group of individual fuel cells, known as a fuel cell stack.The stack is designed to contain enough cells to provide the necessary power for the automotive application. A fuel cell stack produces power as long as fuel is available, similar to a combustion engine.

2. Fuel cells can be used to power several applications. Hydrogen and fuel cells can be used in a broad range of applications. These range from powering buildings, cars, trucks, to portable electronic devices and backup power systems.

Hydrogen fuel cells power the shuttle's electrical systems, producing a clean byproduct - pure water, which the crew drinks. A fuel cell combines hydrogen and oxygen to produce electricity, heat, and water. Fuel cells are often compared to batteries. Both convert the energy produced by a chemical reaction into usable electric power.

With a fuel cell, chemicals constantly flow into the cell so it never goes dead -- as long as there is a flow of chemicals into the cell, the electricity flows out of the cell. Most fuel cells in use today use hydrogen and oxygen as the chemicals. In the next section, we will look at the different types of fuel cells.

Hydrogen Fuel Cells >> Microbial fuel cells may see improvement through new research - Hydrogen Fuel News

Hydrogen Fuel Cells >> Microbial fuel cells may see improvement through new research - Hydrogen Fuel News

Hydrogen Fuel Cells >> New catalyst of platinum nanoparticles could lead to stall-free stable fuel cells | Cornell ...

Hydrogen Fuel Cells >> New catalyst of platinum nanoparticles could lead to stall-free stable fuel cells | Cornell ...

Hydrogen Fuel Cells >> Nano fuel cell

Hydrogen Fuel Cells >> Nano fuel cell

Hydrogen Fuel Cells >> Ballard Power Systems Inc. - EnergyTech Investor

Hydrogen Fuel Cells >> Ballard Power Systems Inc. - EnergyTech Investor

Hydrogen Fuel Cells >> Hydrogen balloon | STEAM Experiments

Hydrogen Fuel Cells >> Hydrogen balloon | STEAM Experiments

Hydrogen Fuel Cells >> Solar Power International - SPI 2018 | Largest Solar and Storage Event | SPI 18

Hydrogen Fuel Cells >> Solar Power International - SPI 2018 | Largest Solar and Storage Event | SPI 18