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The typical efficiency of TEGs is around 5–8%, although it can be higher. Older devices used bimetallic junctions and were bulky. More recent devices use highly doped semiconductors made from bismuth telluride (Bi 2 Te 3), lead telluride (PbTe), [10] calcium manganese oxide (Ca 2 Mn 3 O 8), [11] [12] or combinations thereof, [13] depending on application temperature.
A Johnson thermoelectric energy converter or JTEC is a type of solid-state heat engine that uses the electrochemical oxidation and reduction of hydrogen in a two-cell, thermal cycle that approximates the Ericsson cycle. [1] It is under investigation as a viable alternative to conventional thermoelectric conversion.
Alphabet Energy was a startup company founded in 2009 at the University of California, Berkeley by thermoelectrics expert Matthew L. Scullin [2] and Peidong Yang. [3] The company uses nanotechnology and materials science applications to create thermoelectric generators that are more cost effective than previous bismuth telluride-based devices.
Diagram of an RTG used on the Cassini probe. A radioisotope thermoelectric generator (RTG, RITEG), sometimes referred to as a radioisotope power system (RPS), is a type of nuclear battery that uses an array of thermocouples to convert the heat released by the decay of a suitable radioactive material into electricity by the Seebeck effect.
Decreased fuel consumption also results in increased fuel economy. Replacing the conventional electric generator with ATEGs could ultimately increase the fuel economy by up to 4%. [16] The ATEG's ability to generate electricity without moving parts is an advantage over mechanical electric generators alternatives. [1]
The production centre is located in the Genoa - Campi area and is split into three product lines: gas turbines, steam turbines and generators. [citation needed] Ansaldo Energia manufactures gas turbines in the range from 70 to 280 MW with more than 140 units delivered for a total installed capacity of more than 23,000 MW.
The company sells microturbine generators for electrical power generation, cogeneration, biogas-fueled renewable energy, and hybrid vehicle power. Capstone offers microturbines with output power ratings ranging from 30 to 1,000 kW (40 to 1,341 hp).
A magnetohydrodynamic generator (MHD generator) is a magnetohydrodynamic converter that transforms thermal energy and kinetic energy directly into electricity.An MHD generator, like a conventional generator, relies on moving a conductor through a magnetic field to generate electric current.
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