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Books > Professional & Technical > Energy technology & engineering > Electrical engineering > Power generation & distribution
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Perovskite Oxide for Solid Oxide Fuel Cells (Paperback, 2009 ed.)
Loot Price: R5,150
Discovery Miles 51 500
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Perovskite Oxide for Solid Oxide Fuel Cells (Paperback, 2009 ed.)
Series: Fuel Cells and Hydrogen Energy
Expected to ship within 10 - 15 working days
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Fuel cell technology is quite promising for conversion of chemical
energy of hydrocarbon fuels into electricity without forming air
pollutants. There are several types of fuel cells: polymer
electrolyte fuel cell (PEFC), phosphoric acid fuel cell (PAFC),
molten carbonate fuel cell (MCFC), solid oxide fuel cell (SOFC),
and alkaline fuel cell (AFC). Among these, SOFCs are the most
efficient and have various advantages such as flexibility in fuel,
high reliability, simple balance of plant (BOP), and a long
history. Therefore, SOFC technology is attracting much attention as
a power plant and is now close to marketing as a combined heat and
power generation system. From the beginning of SOFC development,
many perovskite oxides have been used for SOFC components; for
example, LaMnO -based oxide for the cathode and 3 LaCrO for the
interconnect are the most well known materials for SOFCs. The 3
current SOFCs operate at temperatures higher than 1073 K. However,
lowering the operating temperature of SOFCs is an important goal
for further SOFC development. Reliability, durability, and
stability of the SOFCs could be greatly improved by decreasing
their operating temperature. In addition, a lower operating
temperature is also beneficial for shortening the startup time and
decreasing energy loss from heat radiation. For this purpose,
faster oxide ion conductors are required to replace the
conventional Y O -stabilized ZrO 2 3 2 electrolyte. A new class of
electrolytes such as LaGaO is considered to be 3 highly useful for
intermediate-temperature SOFCs.
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