Hybrid power generation system and using method thereof

A hybrid power generation and thermoelectric power generation module technology, applied in the field of solar power generation, can solve the problems of insufficient utilization of solar energy resources, low photoelectric conversion efficiency, unsatisfactory photoelectric conversion efficiency, etc., to achieve high output voltage and output power, and improve utilization. Effect

Inactive Publication Date: 2011-11-16
INST OF PHYSICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for silicon-based photovoltaic cells, the higher the operating temperature, the lower the photoelectric conversion efficiency (usually the highest conversion efficiency is at 25°C), so this working characteristic of the thermoelectric power gener

Method used

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  • Hybrid power generation system and using method thereof
  • Hybrid power generation system and using method thereof

Examples

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Embodiment 1

[0027] Figure 2a It is a hybrid power generation system according to an embodiment of the present invention, and the system includes a sensitized solar cell 100 , a semiconductor thermoelectric power generation module 200 and a heat dissipation module 300 . Figure 2b Schematic diagram of the structure of a sensitized solar cell. Such as Figure 2b As shown, the sensitized solar cell 100 is composed of a photoanode, an electrolyte and a counter electrode, wherein the photoanode is a porous TiO prepared on a substrate 101 such as a titanium sheet or a titanium foil 2 The film 103 has ruthenium dye attached to its surface as a sensitizer; the counter electrode is a catalytic layer 104 such as pyrolytic platinum covered on a substrate 102 such as transparent conductive glass or transparent conductive plastic; the electrolyte 105 is a quasi-solid or solid electrolyte. Such as Figure 2a As shown, between the hot end of the sensitized solar cell 100 and the semiconductor thermo...

Embodiment 2

[0034] In the hybrid power generation system of Example 2, the photoanode substrate of the dye-sensitized solar cell is a porous ZnO film prepared on transparent conductive glass or transparent conductive plastic, the sensitizer on it is an organic dye, and the substrate of the opposite electrode is a coated Polypyrrolate on graphite or metal conductive materials, the electrolyte is a quasi-solid or solid electrolyte. The hot end of the thermoelectric power generation module is directly bonded to the back of the counter electrode substrate of the sensitized solar cell, and the cold end of the thermoelectric power generation module is closely bonded to the aluminum air-cooled heat sink through thermal conductive silica gel. The usage method of this hybrid power generation system is the same as that of Embodiment 1.

Embodiment 3

[0036] In the hybrid power generation system of Example 3, the photoanode and the counter electrode substrate of the dye-sensitized solar cell are the same, both are transparent conductive glass or transparent conductive plastic, and the photoanode is porous TiO 2thin film, the sensitizer is ruthenium dye, the electrolyte is liquid or ionic liquid electrolyte, and the counter electrode is pyrolytic platinum. The hot end of the thermoelectric power generation module is directly bonded to the back of the counter electrode substrate of the sensitized solar cell, and the cold end insulation heat conduction plate of the thermoelectric power generation module is closely bonded to the aluminum air-cooled heat sink through thermal silica gel. The usage method of this hybrid power generation system is the same as that of Embodiment 1.

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Abstract

The invention provides a hybrid power generation system and a using method thereof. The hybrid power generation system comprises a semiconductor thermoelectric power generation module, a radiation module and a sensitized solar cell, wherein the heat end of the semiconductor thermoelectric power generation module is adhered to a backlight surface substrate of the sensitized solar cell, and the cold end of the semiconductor thermoelectric power generation module is adhered to the radiation module. The sensitized solar cell is combined with the semiconductor thermoelectric power generation module, and the hybrid power generation system provided by the invention can fully utilize the full spectrum of sunlight for power generation by utilizing the characteristic that positive correlation between the efficiency and temperature of the sensitized solar cell is consistent with the requirement of the thermoelectric power generation module on a great temperature difference, thereby increasing the utilization rate of solar energy.

Description

technical field [0001] The invention belongs to the field of solar power generation, and in particular relates to a hybrid power generation system and an application method thereof. Background technique [0002] Rational development and utilization of solar energy and development of solar energy industry are major issues for human beings to solve energy crisis and environmental pollution. figure 1 It is the energy distribution diagram of solar radiation. It can be seen from the figure that in solar radiation, it generally includes ultraviolet region, visible light region and infrared region. At present, the existing solar power generation system can only convert light energy in the ultraviolet and visible light regions into electrical energy, while infrared light, which accounts for 43% of the total solar radiation energy, is dissipated in the form of heat energy, resulting in low utilization of solar energy and restricting solar power generation. Further increase in effici...

Claims

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Application Information

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IPC IPC(8): H02N11/00H02N6/00H02S10/10
CPCY02E10/50
Inventor 孟庆波郭晓枝罗艳红李冬梅
Owner INST OF PHYSICS - CHINESE ACAD OF SCI
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