A fuel cell is an electrochemical cell that converts the chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) [1] into electricity through a pair of redox reactions. [2]

Dec 11, 2025 · Fuel cell, any of a class of devices that convert the chemical energy of a fuel directly into electricity by electrochemical reactions. A fuel cell resembles a battery in many respects, but it can …

Fuel Cells A fuel cell uses the chemical energy of hydrogen or other fuels to cleanly and efficiently produce electricity. If hydrogen is the fuel, the only products are electricity, water, and heat.

Jan 19, 2025 · A fuel cell is an electrochemical device that converts chemical energy from a fuel (typically hydrogen) and an oxidizing agent (such as oxygen) directly into electrical energy, with …

Jul 16, 2025 · In this comprehensive guide, we’ll explain how fuel cells work, break down the different types, show where they’re used, and compare them so you can see which is best for what purpose.

Mar 1, 2025 · Fuel cells are electrochemical devices that use a fuel and an oxidizing agent to convert chemical energy into electricity through redox reactions.

Dec 9, 2025 · Batteries are galvanic cells, or a series of cells, that produce an electric current. When cells are combined into batteries, the potential of the battery is an integer multiple of the potential of a …

Explore the various types of fuel cells, their working principles, and diverse applications in industries like transportation, power generation, and portable devices.

The article below uses the proton exchange membrane fuel cell to illustrate the science and technology behind the fuel cell concept but the characteristics and applications of the other main designs are …

Dec 14, 2022 · Fuel cells combine hydrogen and oxygen to produce electricity with water and heat generated as byproducts. Fuel cells, like a battery, create energy via an electrochemical process and …