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A solid oxide fuel cell (or SOFC) is an electrochemical conversion device that produces electricity directly from oxidizing a fuel. Fuel cells are characterized by their electrolyte material; the SOFC has a solid oxide or ceramic electrolyte.
The Office of Fossil Energy concentrates its fuel cell research, development, and deployment on Solid Oxide Fuel Cells (SOFC) to be fueled with gasified solid hydrocarbons. SOLID OXIDE FUEL CELL PROGRAM.
Solid oxide fuel cells (SOFC) are ceramic-based fuel cells that operate at high temperature (600–1000 °C) and are considered among the most efficient FCs developed worldwide [24]. In SOFC, the solid electrolyte is sandwiched between the two porous electrodes i.e. anode and cathode (see Fig. 1).
For decades, experts have considered solid oxide fuel cells (SOFCs) to hold the greatest potential of any fuel cell technology due to their extremely high electrical efficiencies and low operating costs.
The molecules of hydrogen, as the fuel gas, and oxygen are split into their elements in the solid oxide fuel cell and then react with each other. This produces direct current (DC) that is converted to alternating current (AC) in an inverter. Heat and water are also generated.
With their high temperatures and brittle ceramic components, solid oxide fuel cells (SOFCs) might not seem the obvious fit for a power source for transportation applications.
Among various fuel cells, the solid oxide fuel cell (SOFC) has emerged as a commercially viable power source at a small scale. This paper provides an extensive review of the components, materials, design, operation, and integration strategies of SOFCs with existing thermal-based power plants.