CN111895553A - Method for adjusting environmental temperature by utilizing photoelectric conversion effect - Google Patents
Method for adjusting environmental temperature by utilizing photoelectric conversion effect Download PDFInfo
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- CN111895553A CN111895553A CN202010748765.9A CN202010748765A CN111895553A CN 111895553 A CN111895553 A CN 111895553A CN 202010748765 A CN202010748765 A CN 202010748765A CN 111895553 A CN111895553 A CN 111895553A
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- Prior art keywords
- cell
- thermophotovoltaic
- photovoltaic cell
- temperature
- photoelectric conversion
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 14
- 230000000694 effects Effects 0.000 title claims abstract description 12
- 230000007613 environmental effect Effects 0.000 title abstract description 11
- 230000005855 radiation Effects 0.000 claims abstract description 27
- 230000005611 electricity Effects 0.000 claims abstract description 17
- 238000010521 absorption reaction Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
- 230000005525 hole transport Effects 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 6
- 238000011900 installation process Methods 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 58
- 210000003850 cellular structure Anatomy 0.000 description 12
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 12
- 229910052797 bismuth Inorganic materials 0.000 description 9
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 9
- XSOKHXFFCGXDJZ-UHFFFAOYSA-N telluride(2-) Chemical compound [Te-2] XSOKHXFFCGXDJZ-UHFFFAOYSA-N 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 4
- MRPWWVMHWSDJEH-UHFFFAOYSA-N antimony telluride Chemical compound [SbH3+3].[SbH3+3].[TeH2-2].[TeH2-2].[TeH2-2] MRPWWVMHWSDJEH-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910052732 germanium Inorganic materials 0.000 description 4
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/20—Systems characterised by their energy storage means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a method for adjusting environmental temperature by utilizing a photoelectric conversion effect. The photovoltaic cell and/or the thermophotovoltaic cell form a light and/or heat energy absorption device, the photovoltaic cell absorbs indoor visible light and near infrared light, the thermophotovoltaic cell absorbs indoor heat radiation, and the photovoltaic cell and the thermophotovoltaic cell convert the radiation into electricity to achieve the purpose of adjusting the environment temperature. The method utilizes the photoelectric conversion property of the photovoltaic cell and the thermophotovoltaic cell, absorbs various light radiation and heat radiation in a room through a system formed by the photovoltaic cell and the thermophotovoltaic cell, reduces indoor heat, reduces the environmental temperature, and can convert the radiation into electricity. The thermophotovoltaic cell can also be used alone to absorb indoor heat radiation to reduce temperature and generate electricity. This method of adjusting the ambient temperature not only consumes no electric power but also generates electricity. The complex installation process of the traditional air conditioner is not needed, and the air conditioner is quiet and environment-friendly during operation.
Description
Technical Field
The invention relates to a system for adjusting environmental temperature by utilizing a photoelectric conversion effect, which utilizes a photovoltaic cell and a thermophotovoltaic cell to absorb indoor visible light and heat radiation, reduce indoor heat, reduce environmental temperature and simultaneously convert the light and the heat radiation into electric energy. The invention belongs to the field of crossing of a photovoltaic power generation technology and an air conditioning technology.
Background
In the traditional air conditioning technology, the refrigerant is driven by electric power to perform cyclic compression and evaporation processes to complete indoor and outdoor heat exchange, so that the indoor temperature is adjusted. In order to realize heat exchange, the whole air conditioning system needs to be divided into an indoor unit and an outdoor unit, wherein the indoor unit absorbs heat and then discharges the heat through the outdoor unit. In the heat exchange process, the air conditioner absorbs heat energy and discharges heat energy, and the form of the energy is kept unchanged.
There are several problems with this air conditioning technology: firstly, the use of refrigerant freon can destroy the atmospheric ozone layer and increase the ultraviolet rays incident to the ground; secondly, an outdoor unit is needed, holes need to be drilled on the wall of the house during installation, the indoor unit is communicated with the outdoor unit, complexity of the installation process is increased, and high danger exists particularly in installation and maintenance of an air conditioner of a high-rise building; thirdly, after years of use, the firmness of the air conditioner outdoor unit hung on the outer wall is reduced, and potential danger is formed; and fourthly, heat in the room is discharged to the outside, which causes the temperature of the external environment to rise, and particularly, the area near the outdoor unit is more affected.
Disclosure of Invention
The technical problem is as follows: the invention provides a method for adjusting the environmental temperature by utilizing a photoelectric conversion effect, which is suitable for a room with higher temperature, can reduce the indoor temperature without power consumption, and can utilize absorbed energy to generate power.
The technical scheme is as follows: in order to solve the technical problems, the invention provides a method for adjusting the environmental temperature by utilizing a photoelectric or thermoelectric conversion effect, a photovoltaic cell and/or a thermophotovoltaic cell form an optical and/or thermal energy absorption device, the photovoltaic cell absorbs indoor visible light and near infrared light, the thermophotovoltaic cell absorbs indoor thermal radiation, and the photovoltaic cell and the thermophotovoltaic cell convert the radiation into electricity, thereby achieving the purpose of adjusting the environmental temperature.
Wherein the content of the first and second substances,
the photovoltaic cell or the thermophotovoltaic cell is a cell or a cell assembly, and electricity generated by the cell or the cell assembly is stored in a rechargeable battery or a capacitor or is directly sent to a power grid.
The thermophotovoltaic cell adopts a narrow-gap semiconductor with a gap width smaller than 0.3eV as an absorption layer.
The thermal photovoltaic cell comprises a heterojunction which is a pn junction, an nn junction or a pp junction, and the fermi level difference of two materials composing the heterojunction is more than 0.1 eV.
The thermal photovoltaic cell is composed of an absorption layer, an electron transport layer and a hole transport layer, wherein the Fermi level difference of the two transport layer materials is more than 0.1 eV.
The photovoltaic cell and the thermophotovoltaic cell are composed of Schottky junctions composed of narrow-gap semiconductor and metal electrodes.
Has the advantages that: the method for adjusting the environment temperature can reduce the indoor temperature without consuming electric power and can output electric power at the same time. All parts do not need to move, and the device is high in reliability and easy to maintain. No need of refrigerant, cleanness and environmental protection. The heat exchange is not needed indoors and outdoors, and the device can be placed indoors and is convenient to install and use. Compared with the traditional air conditioner, the air conditioner has great advantages.
The method is particularly suitable for rooms with heating devices, such as rooms for placing computer server clusters, boiler rooms for boiling water and other places with higher temperature. After the heat radiation of the indoor object is absorbed by the battery, the indoor heat is reduced, and the temperature is also reduced. The room temperature will tend to stabilize until the radiated heat reaches equilibrium with the reduced heat.
Detailed Description
The present invention will be further illustrated below with reference to specific embodiments, which are to be understood as merely illustrative and not limitative of the scope of the present invention.
The method for adjusting the environmental temperature can be realized by a photovoltaic cell and a thermophotovoltaic cell together, and can also be realized by the thermophotovoltaic cell alone. When in use, the photovoltaic cell and the thermophotovoltaic cell can be packaged into a cell component and connected with a rechargeable battery. The battery assembly absorbs indoor light radiation and heat radiation, reduces indoor heat to reduce temperature, converts the radiated energy into electricity, and charges the electricity into a rechargeable battery or sends the electricity into a power grid.
Wherein the photovoltaic cell adopts a photovoltaic cell which is commercialized; the thermophotovoltaic cell adopts a narrow bandgap semiconductor with the bandgap width less than 0.3eV as an absorption layer; the thermal photovoltaic cell comprises a heterojunction, the heterojunction can be a pn junction, an nn junction or a pp junction, and the Fermi level difference of two materials forming the heterojunction is more than 0.1 eV; the thermophotovoltaic cell can be composed of an absorption layer, an electron transport layer and a hole transport layer, wherein the Fermi level difference of the two transport layer materials is more than 0.1 eV; the photovoltaic cell and the thermophotovoltaic cell can be formed by a Schottky junction formed by a narrow forbidden band semiconductor and a metal electrode; the photovoltaic cell and the thermophotovoltaic cell can be made of organic materials or inorganic materials; the photovoltaic cell and the thermophotovoltaic cell can be cell sheets or cell components.
Example 1
1. 10 monocrystalline silicon photovoltaic cells are connected in series to be packaged into a component, and a rechargeable battery is connected;
2. 10 bismuth telluride/germanium thermophotovoltaic cells are connected in series to be packaged into a component which is connected with a rechargeable battery;
3. the two assemblies are arranged side by side, the monocrystalline silicon photovoltaic cell assembly absorbs visible light and near infrared radiation, the bismuth telluride/germanium thermophotovoltaic cell assembly absorbs thermal radiation, and generated electricity is charged into the rechargeable battery.
Example 2
1. 10 gallium arsenide photovoltaic cells are connected in series to be packaged into a component and connected with a rechargeable battery;
2. connecting 50 antimony telluride/silicon thermal photovoltaic cells in series to be packaged into a component, and connecting a rechargeable battery;
3. the two components are placed in front of each other, the monocrystalline silicon photovoltaic cell component is placed in front of the monocrystalline silicon photovoltaic cell component and absorbs visible light and near infrared radiation, the antimony telluride thermal photovoltaic cell component absorbs thermal radiation after the monocrystalline silicon photovoltaic cell component is placed in back of the monocrystalline silicon photovoltaic cell component and generates electricity which is charged into the rechargeable battery.
Example 3
1. 30 monocrystalline silicon photovoltaic cells are connected in series to be packaged into a component, and a rechargeable battery is connected;
2. 100 bismuth telluride/copper schottky thermophotovoltaic cells are connected in series to be connected with a rechargeable battery;
3. the two components are placed in front of each other, the monocrystalline silicon photovoltaic cell component is placed in front of the monocrystalline silicon photovoltaic cell component and absorbs visible light and near infrared radiation, the antimony telluride thermal photovoltaic cell component absorbs thermal radiation after the monocrystalline silicon photovoltaic cell component is placed in back of the monocrystalline silicon photovoltaic cell component and generates electricity which is charged into the rechargeable battery.
Example 4
1. Packaging 1 cadmium telluride thin film photovoltaic cell into an assembly in series;
2. connecting 20 bismuth telluride/copper Schottky thermophotovoltaic cells in series and packaging into a component;
3. placing the two modules side by side in a room and connecting the two modules in series to a rechargeable battery;
4. when the solar battery works, the monocrystalline silicon photovoltaic battery component absorbs visible light and near infrared radiation, the bismuth telluride/copper thermal photovoltaic battery component absorbs thermal radiation, and generated electricity is charged into the rechargeable battery.
Example 5
1. 20 amorphous silicon thin film photovoltaic cells are connected in series to be packaged into a component and connected with a rechargeable battery;
2. 20 bismuth telluride/germanium thermophotovoltaic cells are connected in series to be packaged into a component and connected with a rechargeable battery;
3. the two assemblies are arranged in a room side by side, the amorphous silicon thin film photovoltaic cell assembly absorbs visible light, the bismuth telluride/germanium thermophotovoltaic cell assembly absorbs heat radiation, and generated electricity is charged into the rechargeable battery.
Example 6
1. 100 bismuth telluride/copper Schottky thermophotovoltaic cells are connected in series to be packaged into a component;
2. the assembly is connected to a power grid through an AC-DC conversion device;
3. the assembly is placed in a room to absorb thermal radiation to reduce the ambient temperature.
Example 7
1. 20 organic thin-film photovoltaic cells are connected in parallel to be packaged into a component, and the component is connected with a rechargeable battery;
2. 80 bismuth telluride/copper schottky thermophotovoltaic cells are connected in series to be packaged into a component and connected with a rechargeable battery;
3. the two assemblies are placed in front of each other, the photovoltaic cell assembly is placed in front of the photovoltaic cell assembly and absorbs visible light and near infrared radiation, the antimony telluride thermal photovoltaic cell assembly absorbs heat radiation after the photovoltaic cell assembly is placed in back of the photovoltaic cell assembly, and generated electricity is charged into the rechargeable battery.
Claims (6)
1. A method for regulating ambient temperature using photoelectric or thermoelectric conversion effects, comprising: the photovoltaic cell and/or the thermophotovoltaic cell form a light and/or heat energy absorption device, the photovoltaic cell absorbs indoor visible light and near infrared light, the thermophotovoltaic cell absorbs indoor heat radiation, and the photovoltaic cell and the thermophotovoltaic cell convert the radiation into electricity to achieve the purpose of adjusting the environment temperature.
2. The method for regulating the ambient temperature by using the photoelectric conversion effect according to claim 1, wherein: the photovoltaic cell or the thermophotovoltaic cell is a cell or a cell assembly, and electricity generated by the cell or the cell assembly is stored in a rechargeable battery or a capacitor or is directly sent to a power grid.
3. A method for regulating the temperature of an environment using the photoelectric conversion effect according to claim 1 or 2, wherein: the thermophotovoltaic cell adopts a narrow-gap semiconductor with a gap width smaller than 0.3eV as an absorption layer.
4. A method for regulating the temperature of an environment using the photoelectric conversion effect according to claim 1 or 2, wherein: the thermal photovoltaic cell comprises a heterojunction which is a pn junction, an nn junction or a pp junction, and the fermi level difference of two materials composing the heterojunction is more than 0.1 eV.
5. A method for regulating the temperature of an environment using the photoelectric conversion effect according to claim 1 or 2, wherein: the thermal photovoltaic cell is composed of an absorption layer, an electron transport layer and a hole transport layer, wherein the Fermi level difference of the two transport layer materials is more than 0.1 eV.
6. A method for regulating the temperature of an environment using the photoelectric conversion effect according to claim 1 or 2, wherein: the photovoltaic cell and the thermophotovoltaic cell are composed of Schottky junctions composed of narrow-gap semiconductor and metal electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010748765.9A CN111895553B (en) | 2020-07-30 | 2020-07-30 | Method for adjusting ambient temperature by utilizing photoelectric and thermoelectric conversion effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010748765.9A CN111895553B (en) | 2020-07-30 | 2020-07-30 | Method for adjusting ambient temperature by utilizing photoelectric and thermoelectric conversion effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111895553A true CN111895553A (en) | 2020-11-06 |
| CN111895553B CN111895553B (en) | 2022-04-08 |
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