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Thermionic generator and thermionic power generation method

A thermionic and generator technology, used in generators/motors, generators that convert kinetic energy into electrical energy, electrical components, etc., can solve the problems of low reliability, high cost and complexity, improve reliability and reduce costs. and system complexity, and the effect of improving thermoelectric conversion efficiency

Inactive Publication Date: 2021-01-05
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a thermionic generator and a thermionic power generation method, which are used to solve the problems of high cost, high complexity and low reliability of two kinds of thermionic generators in the related art

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  • Thermionic generator and thermionic power generation method

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Embodiment Construction

[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0038] Please refer to figure 1 , which shows a thermionic generator provided by an embodiment of the present invention, the thermionic generator includes: an emitter plate 1, a collector plate 2, a micro-nano support structure 3 and a gap 4 between the plates.

[0039] The emitter plate 1 is used to emit electrons. Specifically, one side of the emitter plate 1 faces a high-temperature heat source, so that the heat energy of the heat source can be absorbed through thermal radiation or heat conduction, and the electrons in the emitter plate 1 absorb energy from the heat source and overcome the surface work function to escape.

[0040] Wherein, the base material of the emitter plate 1 is a high temperature resis...

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Abstract

The invention discloses a thermionic generator and a thermionic power generation method, and belongs to the technical field of power generation. The thermionic generator includes: an emitting polar plate for emitting electrons; a collecting polar plate used for capturing the electrons; a micro-nano supporting structural member filling between the emitting polar plate and the collecting polar plate, wherein the gap between the emitting polar plate and the collecting polar plate is controlled to be 500 nanometers to 5 microns, and a gap between the emitting polar plate and the collecting polar plate except the micro-nano support structural member is in high vacuum. According to the invention, the output current density and the output power can be effectively improved, extra energy consumption and toxic risks are avoided, the cost and the system complexity are reduced, and the reliability can be improved; and high thermal resistance of a micro-nano support structural member is realized while high-precision gap control is achieved, so that the thermoelectric conversion efficiency is improved.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of power generation, and in particular to a thermionic power generator and a thermionic power generation method. Background technique [0002] Thermionic generators, also known as Thermionic Energy Converters (TEC), are high-temperature generators based on thermionic emission effects. Thermionic generators are characterized by no chemical reaction, fluid medium or moving parts, simple structure, high reliability; and no noise, no wear, no medium leakage during the power generation process, and long service life; at the same time, they have high scalability, The advantages of output current density and output power per unit area are large. [0003] A thermionic generator includes an emitter plate and a collector plate, and the low-speed electrons constantly escaping from the emitter plate will form an electron cloud between the plates, and the electric field generated by the electron cl...

Claims

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Application Information

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IPC IPC(8): H02N3/00
CPCH02N3/00
Inventor 魏志勇戚天航陈云飞
Owner SOUTHEAST UNIV
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