Solar photovoltaic-thermoelectric integrated device

Abstract

The invention discloses a solar photovoltaic-thermoelectric integrated device. The device comprises a frame, a photovoltaic cell and a photovoltaic external electrode, wherein a heat conducting layer and a thermoelectric cell are arranged below the photovoltaic cell 2 in turn; the photovoltaic cell is arranged on the upper part inside the frame; the thermoelectric cell is arranged on the lower part inside the frame; the photovoltaic cell and the thermoelectric cell are connected by the heat conducting layer; and a thermoelectric external electrode is connected with the thermoelectric cell. By integrating solar photovoltaic power generation and thermoelectric generation into the same frame, the solar energy utilization rate is greatly improved, the waste heat of a photovoltaic system is reasonably and efficiently used, and the problem that the efficiency is reduced when the temperature of the photovoltaic system is increased during operation is solved.

Description

technical field [0001] The invention relates to a power generation system for converting solar energy into electric energy, especially a power generation system for converting solar energy through photovoltaic and thermoelectric means. Background technique [0002] With the rapid progress of society, the demand for energy is also increasing. In order to cope with the increasing shortage of energy, the development of new energy has become an imminent top priority. Solar energy is an inexhaustible green and renewable energy source. Our country is rich in solar energy reserves. If we can effectively convert solar energy into electrical energy, it will be able to greatly alleviate our country's current energy problems. [0003] Solar energy can convert light energy into electrical energy through the photoelectric effect. Its working principle is: light shines on the semiconductor P-N junction to generate electron-hole pairs, and the holes and electrons move in opposite direct...

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Problems solved by technology

[0005] In order to solve the problems and defects in the above-mentioned prior art, the object of the present invention is to provide a solar photovoltaic-thermoelectric integrated device, which can improve the utilization rate of solar energy, utilize the waste heat of the photovoltaic system and solve the problems of the photovoltaic system during work. The problem of decreasing efficiency due to temperature increase

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