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WO2012038129A1 - Module de cellules solaires et agencement de cellules solaires - Google Patents

Module de cellules solaires et agencement de cellules solaires Download PDF

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Publication number
WO2012038129A1
WO2012038129A1 PCT/EP2011/063121 EP2011063121W WO2012038129A1 WO 2012038129 A1 WO2012038129 A1 WO 2012038129A1 EP 2011063121 W EP2011063121 W EP 2011063121W WO 2012038129 A1 WO2012038129 A1 WO 2012038129A1
Authority
WO
WIPO (PCT)
Prior art keywords
solar cell
heat storage
latent heat
cell module
module
Prior art date
Application number
PCT/EP2011/063121
Other languages
German (de)
English (en)
Inventor
Thomas Buettner
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2012038129A1 publication Critical patent/WO2012038129A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F77/00—Constructional details of devices covered by this subclass
    • H10F77/60—Arrangements for cooling, heating, ventilating or compensating for temperature fluctuations
    • H10F77/63—Arrangements for cooling directly associated or integrated with photovoltaic cells, e.g. heat sinks directly associated with the photovoltaic cells or integrated Peltier elements for active cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S60/00—Arrangements for storing heat collected by solar heat collectors
    • F24S60/10—Arrangements for storing heat collected by solar heat collectors using latent heat
    • 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
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • 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 invention relates to a solar cell module, in particular based on crystalline silicon, and a solar cell arrangement constructed from such modules.
  • the present invention is a solar cell module, in particular based on crystalline silicon, which is in thermal contact with a latent heat storage acting as a heat sink at elevated module temperature.
  • the invention further relates to a corresponding solar cell arrangement.
  • the latent heat storage is realized in particular as a component of the solar cell module or the solar cell array, but it can also be manufactured and delivered separately and brought into contact with the module or the arrangement only for use.
  • the invention is based on the effect of latent heat storage, d. H. By a physical conversion process, a large amount of heat is stored without causing a temperature change.
  • the module heats up with a time delay because the heat storage granules can absorb heat energy for a certain period of time without getting warm.
  • the module can work with a higher efficiency (colder).
  • the module temperature drops, and the granules can release their stored energy to the environment and thus build up heat storage capacity for the next sunshine phase.
  • the latent heat storage on a flat heat storage body which is arranged in surface contact on a back side of the solar cell module, in particular a predominant part the back covered.
  • This structure is structurally particularly simple and easy to handle during installation of a photovoltaic system, since the means for heat storage and prevention of the energy yield drastically reducing heating are integrated at the module level and do not significantly change the basic shape and handling of the modules.
  • the heat storage body mentioned in surface contact with the rear side of the array of solar cells is assigned as a whole, so it is installed only during their assembly from the individual solar cell modules and thermally connected to the solar cells.
  • the latent heat storage of the solar cell assembly is assigned as a whole, but not in the form of a rear-mounted flat heat storage body, but in a different form and spatial allocation; see also below.
  • the latent heat storage in particular a heat storage granules, which is introduced into a heat storage body with a closed outer mold.
  • a heat storage body in which the heat storage granules are introduced or embedded can have the flat shape already mentioned above adapted to the solar cell module.
  • Such a heat storage body can also be manufactured and distributed as an accessory to conventional solar cell modules and optionally retrospectively installed in existing photovoltaic systems.
  • the latent heat storage is created on the solar cell array level, but also the use of a loose bed of heat storage granules is possible, in which the solar cell array or essential parts thereof are embedded on the back.
  • a heat conductor element can improve the thermal contact or comparative, even if there is a larger contact area between the solar cell and the latent heat storage anyway.
  • a heat conductor element can improve the thermal contact or comparative, even if there is a larger contact area between the solar cell and the latent heat storage anyway.
  • Particularly advantageous is the use of an additional heat conductor element but in geometric configurations in which only a relatively small contact surface could be realized, so that the heat conductor element serves as a heat collecting device.
  • phase transition temperature of the latent heat store in the range between 20 ° C and 80 ° C is provided.
  • Fig. 1 is a graphical representation to illustrate the effect
  • Fig. 2 is a schematic representation of an embodiment of the
  • FIG. 3 is a further schematic representation of an embodiment of the invention.
  • Fig. 4 is a further schematic representation of an embodiment of the invention.
  • FIG. 2 shows, in a sectional perspective view, a solar cell module 1 with a latent heat accumulator 3 integrally applied to the rear side, which is embodied here as a plastic plate cast on the solar cell module with a heat storage granulate filling 5. All technical details of the solar cell module, with the exception of a front cover glass la are omitted in this illustration.
  • FIG. 3 schematically shows a solar cell arrangement 7 of solar cell modules 1 arranged in matrix form one another. These rest on metal mounting strips 9 whose free ends in turn rest on a support 11 and the long side edges of the arrangement lying opposite on the support 11 into the cover surface of a heat storage body 13 pass, which is designed as a box and completely filled with a (not shown) heat storage granules.
  • the metallic assembly bands 9 and the cover of the heat storage body 13 serve as heat-conducting elements for heat transfer between the backs of the solar cell modules 1 and the heat storage granules in the box 13.
  • the lateral arrangement of the heat storage body can bring advantages for the assembly of the solar cell array or z. B. allow a shaded accommodation of the heat storage body and thus achieve a better effect.
  • FIG. 4 again shows, purely diagrammatically and omitting all details of the solar cell modules and arrangement not essential to the invention, a further solar cell arrangement 7 'of solar cell modules 1 as a further realization of the invention.
  • the modules 1 are supported on carriers 11 along their longitudinal edges 'stored in a tub 15, the extends over the entire surface of the solar cell array and is filled with heat storage granules 5.
  • the solar cells are thus embedded with their backs directly into the heat storage granules and have with this a contact surface which is almost equal to their (back) surface.
  • the provision of additional heat conductor elements is dispensable in this arrangement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Building Environments (AREA)

Abstract

L'invention concerne un module de cellules solaires, en particulier à base de silicium cristallin, qui se trouve thermiquement au contact d'un accumulateur de chaleur latente qui joue le rôle de puits de chaleur lorsque la température du module est élevée.
PCT/EP2011/063121 2010-09-20 2011-07-29 Module de cellules solaires et agencement de cellules solaires WO2012038129A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010041012.8 2010-09-20
DE102010041012A DE102010041012A1 (de) 2010-09-20 2010-09-20 Solarzellenmodul und Solarzellenanordnung

Publications (1)

Publication Number Publication Date
WO2012038129A1 true WO2012038129A1 (fr) 2012-03-29

Family

ID=44510933

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/063121 WO2012038129A1 (fr) 2010-09-20 2011-07-29 Module de cellules solaires et agencement de cellules solaires

Country Status (2)

Country Link
DE (1) DE102010041012A1 (fr)
WO (1) WO2012038129A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017103601A1 (de) * 2017-02-22 2018-08-23 Deutsches Zentrum für Luft- und Raumfahrt e.V. Latentwärmespeicher

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57155055A (en) * 1981-03-20 1982-09-25 Matsushita Electric Works Ltd Solar battery having heat accumulating function
US4389533A (en) * 1981-03-09 1983-06-21 Ames Douglas A Photovoltaic device for producing electrical and heat energy
WO1996000827A1 (fr) * 1994-06-29 1996-01-11 Powerlight Corporation Ensemble de couverture photovoltaique a regulation thermique
WO2006048245A1 (fr) * 2004-11-08 2006-05-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Module d'energie solaire photovoltaique
DE202007002087U1 (de) 2007-02-13 2007-05-24 Förg, Michael Kühlungssystem zur Leistungsverbesserung einer wärmeempfindlichen Solarzelle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389533A (en) * 1981-03-09 1983-06-21 Ames Douglas A Photovoltaic device for producing electrical and heat energy
JPS57155055A (en) * 1981-03-20 1982-09-25 Matsushita Electric Works Ltd Solar battery having heat accumulating function
WO1996000827A1 (fr) * 1994-06-29 1996-01-11 Powerlight Corporation Ensemble de couverture photovoltaique a regulation thermique
WO2006048245A1 (fr) * 2004-11-08 2006-05-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Module d'energie solaire photovoltaique
DE202007002087U1 (de) 2007-02-13 2007-05-24 Förg, Michael Kühlungssystem zur Leistungsverbesserung einer wärmeempfindlichen Solarzelle

Also Published As

Publication number Publication date
DE102010041012A1 (de) 2012-03-22

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