WO2011060951A2 - Dispositif de génération de courant - Google Patents

Dispositif de génération de courant Download PDF

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Publication number
WO2011060951A2
WO2011060951A2 PCT/EP2010/007047 EP2010007047W WO2011060951A2 WO 2011060951 A2 WO2011060951 A2 WO 2011060951A2 EP 2010007047 W EP2010007047 W EP 2010007047W WO 2011060951 A2 WO2011060951 A2 WO 2011060951A2
Authority
WO
WIPO (PCT)
Prior art keywords
heat
thermocouple
photovoltaic
power generating
generating device
Prior art date
Application number
PCT/EP2010/007047
Other languages
German (de)
English (en)
Other versions
WO2011060951A3 (fr
Inventor
Franz-Josef Struffert
Josef REISLÖHNER
Wilhelm Heiss
Original Assignee
Getes Geothermie Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Getes Geothermie Ag filed Critical Getes Geothermie Ag
Publication of WO2011060951A2 publication Critical patent/WO2011060951A2/fr
Publication of WO2011060951A3 publication Critical patent/WO2011060951A3/fr

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Classifications

    • 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
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40—Thermal components
    • H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/20—Geothermal collectors using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
    • 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
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
    • H10N10/10—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects
    • H10N10/13—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects operating with only the Peltier or Seebeck effects characterised by the heat-exchanging means at the junction
    • 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
    • Y02E10/10—Geothermal 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
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/60—Thermal-PV hybrids

Definitions

  • the present invention generally relates to power generation devices, and more particularly to a power generation device including at least one thermocouple and a heat transport device and a photovoltaic device having such a power generation device.
  • heat in a medium usually water, transported and delivered to a designated location, for example.
  • a heat exchanger By means of a heat exchanger.
  • the cooled medium is then passed back to a heat source and again returned to the circulation in a heated state. Since, in general, the actual heat loss is not predictable, such heat supply systems generally have some amount of unused residual heat.
  • the object of the present invention is to improve the energy efficiency of existing plants in which heat is transported or generated.
  • the present invention provides a power generation apparatus comprising: at least one thermocouple having a first surface for receiving heat and a second surface for emitting heat and being configured due to a temperature difference between the first and second surfaces to generate electrical energy; at least one heat supply area supplying heat to the first surface of the at least one thermocouple; and at least one heat dissipation area that dissipates heat from the second surface of the at least one thermocouple.
  • the present invention provides a heat transport device, in particular a geothermal, district heating or cooling system, comprising a power generation device according to the first aspect, wherein the heat transport device comprises a heat-carrying transport circuit with a heat transport medium, the transport circuit at least a flow and a return wherein the heat transport medium in the flow has a higher temperature than in the return, the flow is at least partially disposed in the heat supply region of the power generation device, and the return is at least partially disposed in the heat dissipation region of the power generation device.
  • the heat transport device comprises a heat-carrying transport circuit with a heat transport medium, the transport circuit at least a flow and a return wherein the heat transport medium in the flow has a higher temperature than in the return, the flow is at least partially disposed in the heat supply region of the power generation device, and the return is at least partially disposed in the heat dissipation region of the power generation device.
  • the present invention provides a photovoltaic device for generating electricity, comprising a power generating device according to the first aspect, wherein the photovoltaic device has at least one photovoltaic element having a front side for collecting solar rays and a back side; the back of the at least one photovoltaic element is at least partially disposed in the heat supply region for the at least one thermocouple; and the heat removal area is at least partially traversed by a fluid, in particular air or water.
  • Fig. 1 illustrates an embodiment of a power generating device in accordance with the present invention
  • Fig. 2 illustrates a geothermal plant and a district heating network supplied with heat from the geothermal plant
  • Fig. 3 shows the geothermal system and the district heating network according to Fig.2 with therein power generating devices of Figure 1 for residual heat utilization.
  • FIG. 4 illustrates a photovoltaic device with a power generating device of FIG. 1.
  • thermoelectric elements or thermocouples are generally known, which are formed, for example, from two different metals or, in the case of thermoelectric generators, also from semiconductor materials.
  • the thermocouples have a so-called “warm” side and a “cold” side. Due to a temperature difference between the hot and the cold side, the thermocouple can generate electricity due to the Seebeck effect. If the thermocouple consists of a semiconductor material, then it is called after the Peltier effect Peltier element.
  • the Peltier effect is just the reverse of the Seebeck effect, that is, applying a current makes the Peltier elements on one side warm and cold on the other.
  • thermocouples as such are primarily used as temperature sensors. The generated current or voltage is converted into a corresponding temperature signal.
  • thermocouples in the form of Peltier elements are used primarily as cooling elements.
  • thermocouples are used millions of times as cooling elements of the smallest degree for electronic components. State of research is to develop so-called. Thermoelectric generators to improve the mode of action.
  • thermocouples in particular in the Form of thermoelectric generators, generally to improve energy efficiency, especially in geothermal, district heating, cooling and photovoltaic systems use or use.
  • the thermocouples are used or used so that they use residual heat and / or unneeded heat to generate electricity.
  • thermocouples can be used in geothermal plants, in particular in systems of hydrothermal deep geothermal energy, connected or independently in systems of district heating, cooling systems, cooling circuits of any kind, for residual heat and in combination with photovoltaic elements / plates / components. Due to the mode of action of the thermocouples existing heat is better and more fully used in such systems, thereby improving the efficiency of the thermal systems. Through better utilization, it is possible to save CO2 emissions and, for example, to achieve a direct improvement in the electrical yield in photovoltaic systems.
  • thermocouple consists in some embodiments of three main components.
  • a central region for example with a semiconductor element or an element with suitable materials, which cause the Seebeck effect, such as ⁇ 2 ⁇ 3, PbTe, SiGe, BiSb or FeSi 2, and two surface regions sandwiching the central region.
  • the surface regions can also be formed as separate elements, for example as plates or the like.
  • the thermocouple is also designed plate-like in some embodiments, and the cold or warm side is located respectively at the top and bottom of the thermocouple. On the warm side, heat is then applied to the thermocouple in some embodiments, while heat is dissipated on the cold side.
  • a power generating device includes at least one thermocouple for utilizing Heat or residual heat generated in a district heating system, refrigeration systems, cooling circuits of any kind, or photovoltaic elements / plates / components.
  • the thermocouple has a first surface for receiving heat and a second surface for dissipating heat.
  • the surface can be, for example, the surface of the semiconductor material or be formed by a plate, coating or other thermally conductive element, which is in thermal contact with the due to temperature difference generating element.
  • the thermocouple is configured to generate electrical energy due to the temperature difference between the first and second surfaces.
  • the power generation device In order to transport the heat to the first surface, that is to say the warm side, of the thermocouple, the power generation device has a heat supply region, which supplies heat to the first surface of the at least one thermocouple. And in order to produce the temperature difference necessary for power generation, the power generation device has a heat dissipation area that absorbs heat from the second surface, i. the cold side, the at least one thermocouple dissipates.
  • the power generating device can be used in equipment as described above or other technical devices in which there is a plant-related heat supply and heat dissipation.
  • the power generation device in any technical (thermal) systems or heat transport circuits existing residual heat to use for power generation.
  • Technically known thermocouples usually have relatively small dimensions, for example in the square centimeter range.
  • the power generation device includes an array having a plurality of thermocouples, wherein the thermocouples are electrically connected in series and thereby form a thermoelectric generator.
  • the thermocouples are connected in series between the cold and the warm side in order to generate the highest possible voltage.
  • Such arrays can have hundreds, thousands or even 100,000 or more thermocouples.
  • thermocouples can be adapted according to the requirements, in particular the temperatures prevailing on the cold and hot side, and to the corresponding temperature difference, in order to ensure optimum generation of electrical energy (current or voltage).
  • thermocouple or at least one power generation device is used with at least one thermocouple in a plant, such as. Geothermal, district heating or cooling system or the like or used for hillsnutkar in photovoltaic systems.
  • a heat transport device in particular a geothermal, district heating or cooling system, at least one power generating device as described above.
  • the heat transport device has, for example, a heat-carrying transport circuit with a heat transport medium.
  • the heat transport medium may be a fluid, such as, for example, air or water or any other heat transfer medium which is suitable to transport heat.
  • the transport circuit has at least one flow and one return, wherein the heat transport medium in the flow has a higher temperature than in the return.
  • the transport cycle can be an open or closed circuit.
  • the flow and the return are, for example, so separated that they are in no communicating connection with each other, while in other embodiments, the flow and return are in communicating connection.
  • the flow is at least partially disposed in the heat supply region of the power generating device and thus can deliver heat to the first surface of the at least one thermocouple, whether by direct or indirect heat-conducting contact or by thermal radiation.
  • the return is at least partially disposed in the heat dissipation region of the power generating device and accordingly receives heat from the second surface of the thermocouple, which is discharged, for example, via direct or indirect heat conduction or by heat radiation from the second surface.
  • thermocouple electrical energy current
  • the flow of the heat transport device and the return of the heat transport device are in some embodiments, not necessarily equal to the flow or return of an entire system, eg. A geothermal or district heating system or a cooling system.
  • the supply and return refer here only to the part of the transport system of the heat to the power supply device, i. to the at least one thermocouple, leads or dissipates.
  • at least one thermocouple or at least one power supply device as described above is used in a photovoltaic device to generate power.
  • the photovoltaic device has at least one power generating device with at least one thermocouple, as described above, and at least one photovoltaic element.
  • the photovoltaic element has a front for catching sun rays and a back side opposite to the front side.
  • the rear side of the at least one photovoltaic element is at least partially in the heat supply region for the at least one thermocouple arranged.
  • Photovoltaic elements heat up strongly due to the sun's rays, which not only leads to a lower efficiency of the photovoltaic element itself, but also leaves a corresponding amount of energy unused.
  • at the back of the photovoltaic elements creates a lot of heat, which can be used by the arrangement of thermocouples in this area to generate electricity.
  • the heat dissipation region of the at least one thermocouple is at least partially traversed by a fluid, such as, for example, air or water.
  • a fluid such as, for example, air or water.
  • passing air flows along the second surface of the thermocouple and thereby cools it on the second surface.
  • thermocouple In embodiments in which there is a (direct) heat conduction contact between the thermocouple and the photovoltaic element, not only the heat generated at the back of the photovoltaic element can be used to generate electricity, but the thermocouple additionally cools the corresponding photovoltaic element by the heat dissipation, whereby the efficiency of the photovoltaic element, which is temperature dependent, is also increased.
  • thermocouple 2 which is arranged between a heat supply region 6 and a heat removal region 7.
  • the thermocouple 2 has a rectangular, plate-like shape and is formed of a semiconductor material 3 sandwiched between two plates 4 and 5.
  • the upper plate 4 forms a first surface on which heat is supplied via the heat supply region 6, while the lower plate 5 forms a second surface on the heat to the heat removal region 7 is delivered. Consequently, with appropriate heat supply and heat dissipation, a temperature difference between the upper plate 4 and the lower plate 5, which leads to a power generation in the semiconductor material 2.
  • the power generation device has a plurality of thermocouples 2, which are connected in series and, for example, are arranged in an array.
  • the upper 4 and lower plates 5 may be continuous.
  • each thermocouple has a single plate or mixed forms are realized in which, for example, several thermocouples are combined to form a module and these modules each having an upper and a lower plate.
  • the power supply device is correspondingly easy to use in cooling systems and cooling circuits of any kind and the residual heat.
  • the power supply device must be used only in the cooling system or the cooling circuit or the like, that heat is supplied to the heat supply region 6 and heat is dissipated in the heat dissipation region 7.
  • the upper arrow 8 which points in the direction of the heat supply region 6, stands for a heat supply, for example from a cooling circuit originating from a geothermal heat source or from any other suitable (residual heat source Water pipes or by another suitable heat transfer line in the heat supply area 6 and there, for example, by direct or indirect (eg., By heat exchanger) thermally conductive contact to the upper plate 4 or by heat radiation to the upper plate 4 is discharged the upper plate 4 ago.
  • the medium cools down accordingly, for example. From temperature T1 to a lower temperature T2.
  • heat as indicated by arrow 9, for example, by means of a return of a cooling system, cooling circuit or a return / reinjection after thermal use or by cooling, for example, by means of air, water, groundwater dissipated.
  • the heat transport medium passing through the heat removal region 7, for example, from a temperature T3 to a higher temperature T4 heats up.
  • the lower plate 5 can deliver the heat to the heat transfer medium either by direct or indirect heat conduction contact or by thermal radiation.
  • the power generating device when using a plurality of thermocouple, the power generating device, for example, in industrial-technical environment for power generation are used and it can basically any type of heat source or residual heat in cooling systems, cooling systems, cooling circuits or the like will be used to generate electrical energy.
  • the power generating device 1 can also be used in other embodiments in other heat transport devices, such as.
  • a geothermal plant 1 1 with, for example. Downstream geothermal power plant 15 and even, for example.
  • the flow 12 and the return line 13 form their own geothermal cycle A, which is separated, for example, by a heat exchanger WT from a district heating circuit B, which supplies a geothermal power plant 15 and houses 16 with heat.
  • the geothermal power plant 15 and the houses 16 remove as a heat consumer via appropriate heat exchanger heat from the flow line 18, with a heat transport medium such as water filled is.
  • the cooled by the heat removal water is then fed back to the heat exchanger WT by means of a return line 19 and then there, depending on the temperature, again pumped by the return 13 of the Goethermienikmaschinennenes A through the re-injection well into the earth (and reheated there).
  • the power generating device which is designated in each case as TEG in Fig.
  • thermoelectric energy production TEG
  • the power generation facilities are placed so that an existing functional and operational temperature difference is used. With this additional use of heat, the return is further cooled and thus better exploited the geothermal energy already produced.
  • the power generating device can be used, for example, between the flow 12 and the return line 13 in the geothermal cycle or even in the return 13.
  • the power generating device 1 can be used to further cool the return line 13.
  • the return 13 is guided into the heat supply region 6 of the power generation device 2 (see FIG. 1), so that residual heat in the return flow 13 can be released there.
  • groundwater or air or another coolant that is colder than the return temperature can be used on the heat removal side 7, so that a corresponding temperature difference can be produced for power generation.
  • the power generating device 1 can be used for further cooling of the return from the geothermal power plant 15 or, for example, to further cooling the returns 17 of the respective houses 16.
  • the respective return of the geothermal power plant 15 and the returns 17 of the houses 16 led into the heat supply region 6 of the power generating device 1, so that there can be given residual heat and used to generate electricity.
  • the heat can be dissipated by means of groundwater, air cooling or the like.
  • the power generating device 1 can also be used in each case between the supply and return of the geothermal power plant 15 or the houses 16. In these cases, the respective flow into the heat supply region 6 and the return is guided by the heat removal region 7 of the power generating device 1.
  • the power generating device 1 can always be used when a temperature difference suitable for generating power can be produced.
  • thermocouple 2 or at least one power generation device 1 can be used in combination with photovoltaic elements / plates and / or photovoltaic components.
  • a photovoltaic system normally consists of a plurality of photovoltaic elements, of which a single photovoltaic element 20 is shown schematically in FIG.
  • Solar radiation 22 impinges on a front side 21 of the photovoltaic element 20 and we are then converted into electrical energy in the photovoltaic element 20.
  • the photovoltaic element is considerably heated, which significantly reduces its efficiency.
  • the rear ventilation that is, on the shadow side of the photovoltaic element 20 along flowing air flow 24, a cooling on the shadow side of the photovoltaic elements 22nd
  • the heat at the rear side 23 of the photovoltaic element 22 can be transmitted to the semiconductor material 3 via the plate 4.
  • the lower plate 4 on the cold side of the thermocouple 2 is cooled by the air flow 24, which flows in a heat removal region 7. This results in a corresponding temperature difference in the power generation device 1, which can be used to generate electricity. Consequently, the unconverted heat from the photovoltaic element 22 is further converted into electrical energy. By the heat dissipation of the power generating device 1 from the back 23 of the photovoltaic element 22, the photovoltaic element 22 is additionally cooled and thereby increases its efficiency.
  • a plurality of photovoltaic elements and a corresponding plurality of thermocouples or power generation devices are combined in an array to provide the largest possible photovoltaic system.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)
  • Hybrid Cells (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

L'invention concerne un dispositif de génération de courant comprenant au moins un thermoélément qui présente une première surface servant à absorber de la chaleur et une seconde surface servant à restituer la chaleur, et qui est conçu pour générer de l'énergie électrique produite en raison de la différence de température entre la première surface et la seconde surface, au moins une zone d'apport de chaleur qui apporte de la chaleur à la première surface du thermoélément et au moins une zone de dissipation de chaleur qui dissipe la chaleur de la seconde surface du thermoélément.
PCT/EP2010/007047 2009-11-20 2010-11-19 Dispositif de génération de courant WO2011060951A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009015903U DE202009015903U1 (de) 2009-11-20 2009-11-20 Stromerzeugungsvorrichtung
DE202009015903.5 2009-11-20

Publications (2)

Publication Number Publication Date
WO2011060951A2 true WO2011060951A2 (fr) 2011-05-26
WO2011060951A3 WO2011060951A3 (fr) 2011-07-21

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PCT/EP2010/007047 WO2011060951A2 (fr) 2009-11-20 2010-11-19 Dispositif de génération de courant

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DE (1) DE202009015903U1 (fr)
WO (1) WO2011060951A2 (fr)

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GB201117626D0 (en) * 2011-10-12 2011-11-23 Elsarrag Esam A wall structure
DE102013014270B4 (de) 2013-08-23 2019-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur Energiewandlung von thermischer Energie in elektrische Energie
FR3012271A1 (fr) * 2013-10-21 2015-04-24 Nicolas Gilbert Ugolin Systeme electro/thermodynamique de production & de stockage d'energie
GB2609957A (en) * 2021-08-18 2023-02-22 Subsea 7 Us Llc Producing renewable energy underwater

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JPS6035182A (ja) * 1983-08-05 1985-02-22 Nippon Steel Corp 地熱発電方法及びその装置
GB2145876A (en) * 1983-08-24 1985-04-03 Shlomo Beitner DC power generation for telemetry and like equipment from geothermal energy
WO2000005769A1 (fr) * 1997-01-18 2000-02-03 Btg International Ltd Cellule a tension differentielle
US20030010652A1 (en) * 2001-07-16 2003-01-16 Hunt Robert Daniel Method of enhanced heat extraction from a geothermal heat source for the production of electricity thermoelectrically and mechanically via the high-pressure injection of a cryogen into a U-tube or open tube heat exchanger within a geothermal heat source, such as a producing or depleted oil well or gas well, or such as a geothermal water well, or such as hot dry rock; and, method of air-lift pumping water; and, method of electrolyzing the water into hydrogen and oxygen using the electricity genarated
WO2003071198A1 (fr) * 2002-02-22 2003-08-28 Varmaraf Ehf. Appareil de transfert de chaleur
US20060157102A1 (en) * 2005-01-12 2006-07-20 Showa Denko K.K. Waste heat recovery system and thermoelectric conversion system
DE102006014414A1 (de) * 2006-03-27 2007-10-04 O-Flexx Technologies Gmbh Solarmodul
DE102008009979A1 (de) * 2008-02-19 2009-09-10 Pérez, José Luis, Dipl.-Ing. Thermoelektrischer Solargenerator Verfahren und Vorrichtung zur Generierung elektrischer Energie mit Solarkollektoren auf der Grundlage des thermoelektrischen Seebeck Effektes

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DE202009015903U1 (de) 2010-03-04
WO2011060951A3 (fr) 2011-07-21

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