Fuel cell - Wikipedia
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]
Fuel cell | Definition, Types, Applications, & Facts | Britannica
Dec 23, 2024 · 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 supply electrical energy over a much longer period of time.
Fuel Cells - Department of Energy
Fuel cells can operate at higher efficiencies than combustion engines and can convert the chemical energy in the fuel directly to electrical energy with efficiencies capable of exceeding 60%. Fuel cells have lower or zero emissions compared to combustion engines.
Fuel Cell - Definition, Working, Types, and Applications of fuel cell.
What is a fuel cell? It is defined as an electrochemical cell that generates electrical energy from fuel via electrochemical reactions. Learn types of fuel cell, working and more here.
Fuel Cell Basics | Department of Energy
Fuel cells can provide heat and electricity for buildings and electrical power for vehicles and electronic devices. Fuel cells work like batteries, but they do not run down or need recharging. They produce electricity and heat as long as fuel is supplied.
Fuel Cells: What They Are and How They Work - Plug Power
Dec 14, 2022 · What is a Fuel Cell? A fuel cell is an electrochemical power generator. Fuel cells combine hydrogen and oxygen to produce electricity with water and heat generated as byproducts. Fuel cells, like a battery, create energy via …
Fuel Cells – Definition, Types, Advantages, Limitations
Feb 24, 2022 · Fuel cells are cells that directly transform the chemical energy of a fuel cell into electrical energy. Fuels such as hydrogen (H 2), carbon dioxide (CO 2), methane (CH 4), propane (C 3 H 8), methanol (CH 3 OH), and others are used to …
Fuel Cell – Definition, Types, and Advantages - Science Info
Dec 20, 2022 · A fuel cell is a galvanic cell or electrochemical power source, which converts the energy of chemical reactions into electrical energy. It is an electrochemical cell in which one electrode gives up electrons while the other electrode gains electrons.
Types of Fuel Cells - Department of Energy
Learn more about the following types of fuel cells. Polymer electrolyte membrane (PEM) fuel cells—also called proton exchange membrane fuel cells—deliver high power density and offer the advantages of low weight and volume compared with other fuel cells.
Hydrogen and Fuel Cells - NREL
What is a fuel cell? A single fuel cell consists of an electrolyte sandwiched between two electrodes. Bipolar plates on either side of the cell help distribute gases and serve as current collectors.