The microminiature thermionic converter
Web1 day ago · Thermionic Converter Market By Segmentation Includes Type, Applications, Channel, And Forecast To [2024-2033] Date. 4/14/2024 3:00:42 AM. ( MENAFN - America News Hour) Key Companies Covered in the ... WebNote: Fractional results are rounded to the nearest 1/64. For a more accurate answer please select 'decimal' from the options above the result.
The microminiature thermionic converter
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WebMicrominiature thermionic converters (MTCs) manufactured using MEMS manufacturing techniques including chemical vapor deposition, and having high energy-conversion efficiencies and variable operating temperatures. The MTCs of the invention incorporate cathode to anode spacing of about 1 micron or less and use cathode and anode materials … WebA thermionic converter consists of a hot electrode which thermionically emits electrons over a potential energy barrier to a cooler electrode, producing a useful electric power output. Caesium vapor is used to optimize the electrode work functions and provide an ion supply (by surface ionization or electron impact ionization in a plasma) to ...
WebMicrominiature thermionic converts (MTCs) having high energy-conversion efficiencies and variable operating temperatures. Methods of manufacturing those converters using semiconductor integrated circuit fabrication and micromachine manufacturing techniques are also disclosed. The MTCs of the invention incorporate cathode to anode spacing of … WebFeb 2, 2001 · AEgis Technologies Kevin Zavadil Sandia National Laboratories Abstract A new generation of thermionic converter, the microminiature thermionic converter (MTC) has been fabrication using...
WebJan 1, 2000 · Request PDF The microminiature thermionic converter The design, fabrication, testing, and analysis of the microminiature thermionic converter (MTC) is discussed. WebOct 1, 2002 · Thermally induced electron emission, known as thermionic emission, is described by the Richardson–Dushman equation (1) J S = D AT 2 exp −φ (T) kT, where JS is the saturation current density, A is the Richardson constant, T is the temperature of the surface, φ ( T) is the temperature-dependent work function, and k is Boltzmann’s constant.
WebOct 21, 2024 · Thermionic energy converters are solid-state heat engines to produce electricity with significant potential, whereas the output voltage is constrained by the difference between cathode and anode. In this work, we originally apply a graphene-on-semiconductor anode to a thermionic-photovoltaic (TIPV) converter to output additional …
WebOct 11, 2024 · The thermionic emission used in space applications has operating temperatures >2000 0 C which is much higher than available temperature at terrestrial automotive applications. Hence the key research interests are focused towards effective utilization of thermionic energy conversion for automotive waste heat recovery at … customize onedrive linksWebMTCs are two electrode devices that convert heat energy into electrical energy. The electrodes are spaced opposite each other in a vacuum environment with one electrode heated and the second cooled. Electrons are emitted from the hot electrode to the cool electrode creating electrical power. customize onedrive syncWebResearch is in progress to develop microminiature thermionic converters (MTCs) using semiconductor integrated circuit (IC) fabrication methods. The use of IC te Results from the microminiature thermionic converter demonstration testing program IEEE Conference Publication IEEE Xplore customize onedrive sharing emailWeb8 (a)-8 (d) schematically illustrate an example of steps for assembling the self-powered microminiature thermionic converter by combining the upper and lower assemblies, according to the present invention; FIG. 9 schematically illustrates a completely assembled self-powered microthermionic convertor, according to the present invention; chatterton middle school warren miWebSep 1, 2024 · Thermionic (TI) energy converters can directly convert thermal energy to electrical power, with a prospect of power density of 1 MW/m 2 and efficiency of >30% ( Campbell et al., 2024 ). TI converter can be applied to concentrated solar power ( Schwede et al., 2013 ; Trucchi et al., 2024 ; Xiao et al., 2024 ), space nuclear power ( customize onenote for windows 10WebJan 1, 2024 · Microminiature thermionic converts (MTCs) having high energy-conversion efficiencies and variable operating temperatures. Methods of manufacturing those converters using semiconductor integrated circuit fabrication and micromachine manufacturing techniques are also disclosed. customize onedrive for business themeWebOct 5, 1998 · Microminiature thermionic converts (MTCs) having high energy-conversion efficiencies and variable operating temperatures. Methods of manufacturing those converters using semiconductor integrated circuit fabrication and micromachine manufacturing techniques are also disclosed. chatterton place apartments springfield il