Fuel cell is an energy conversion electrochemical device, which provides enormous promise for delivering substantial environmental benefits and high electrical efficiency in terms of clean and efficient electric power generation. Solid oxide fuel cell (SOFC) is the technologies which are gaining more attention in the modern era due to its optimal power generation boast with enough electrical efficiency for household devices and automobiles. In this review, the article presents overview of the SOFCs devices and their related materials and mostly reviewed newly available reported. Yttria-stabilized zirconia (YSZ) material was extensively used as dense electrolyte in SOFCs technology. Many ceramic materials have been investigated for SOFCs electrolyte. The operating temperatures of SOFCs of 600–1200 ☌ which produced heat as a byproduct and fast electro-catalytic activity while using nonprecious metals. Redox reaction occurred at the electrodes side in the presence of fuels. The dense ceramic electrolyte transporting O 2− ions and fills the space between the electrodes material. A single cell component of SOFCs is consisting an anode, cathode and an electrolyte which are stacked layer by layer to produce higher amount of power. SOFCs have low pollution characteristics, high efficiency (~ 60%), and possess expanded fuel selection with little environmental effects. SOFCs are devices in which the chemical energy is directly converted into electrical energy with negligible emission. There is a growing interest in solid oxide fuel cells (SOFCs) technology among the researchers a promising power generation with high energy efficiency, inflated fuel flexibility, and low environmental impact compared to conventional power generation systems.
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