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WO2013040672A1 - Transformateur d'énergie solaire en énergie électrique basé sur un concentrateur de rayonnement solaire à verre luminescent - Google Patents

Transformateur d'énergie solaire en énergie électrique basé sur un concentrateur de rayonnement solaire à verre luminescent Download PDF

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Publication number
WO2013040672A1
WO2013040672A1 PCT/CA2011/001036 CA2011001036W WO2013040672A1 WO 2013040672 A1 WO2013040672 A1 WO 2013040672A1 CA 2011001036 W CA2011001036 W CA 2011001036W WO 2013040672 A1 WO2013040672 A1 WO 2013040672A1
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WO
WIPO (PCT)
Prior art keywords
light
solar
plate
glass
electrical energy
Prior art date
Application number
PCT/CA2011/001036
Other languages
English (en)
Inventor
George BITSADZE
Vasily JORJADZE
Vladimir Ivanovich Rykalin
Natalia Vladimirovna RYKALINA
Original Assignee
Bitsadze George
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 Bitsadze George filed Critical Bitsadze George
Priority to PCT/CA2011/001036 priority Critical patent/WO2013040672A1/fr
Publication of WO2013040672A1 publication Critical patent/WO2013040672A1/fr

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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
    • H10F77/40—Optical elements or arrangements
    • H10F77/42—Optical elements or arrangements directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means
    • H10F77/45—Wavelength conversion means, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements
    • 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
    • Y02E10/52—PV systems with concentrators

Definitions

  • Glass as a building material has a very long history. Particular importance is attributed to the glass in modern architecture, where it is used not only in windows and doors, for the passage of light and weather protection, but also as a lining material for the building. Thus, in modern architecture, the use of glass as a building material has increased many times. Key properties of glass as a building material are: sufficient mechanical strength, high transparency, chemical inertness, the ability of ease clean from the dust contamination, repeated withstand to winter-summer cycle.
  • any newly developed glass must first meet all the above properties of the glass, and adding new features, such as getting electricity from the part of the incident on the glass light during extended period of time, makes the glass more attractive building material.
  • Offered Solar to Electric Energy Transformer based on Luminescent Glass Solar Radiation Concentrator is a multilayered luminescent glass or multilayered luminescent concentrator, has all the above characteristics of ordinary glass and adds an important new characteristic - when light passes through the glass, portion of the incident light is converted into the electrical energy.
  • Window glass or glasses used in architecture when constructing high-rise buildings can be considered as a plane-parallel plate with finite dimensions or as a prism whose height is significantly less than its length and width, but much longer than the wavelength of light. Let's consider the release of the fluorescent light in such a plate.
  • the yield of luminescent light in this geometry is as follows: through two large faces, that are in optical contact with a material with a refractive index n will leave a light caught inside a cone, the symmetry axis of which is parallel to the axis Z, perpendicular to the surface of the large face, a half opening angle of which is:
  • a c arc sin (rii / n), and through small face, which are in optical contact with a material whose refractive index n 2 , the light will leave, caught in a cone with symmetry axis parallel to the X or Y, respectively, perpendicular to the surfaces of the corresponding face, the half opening angle of which is:
  • ⁇ ⁇ arc sin (n 2 / n).
  • the amount of light emitting from the plate is equal to:
  • the amount of light not released from the plate or the number of trapped light is [2,3]:
  • Reduction of amount of trapped light F T , not leaving the plate and increase by the same amount of escaping light through the small faces, can be achieved by following ways:
  • luminescent material inside the plate that can intercept photons of light, and then re-emit them isotropic, one can achieve significant yield of re-emitted light along the perimeter of the plate.
  • Those types of plates are widely commercially available in many countries. Having installed around the plate perimeter a semiconductor wafer converters of light energy into electrical energy, one can transfer light flux released through a small edges into the electrical energy. Thus we will obtain the optically transparent plate, with the passage of light through it, with substantial portion of incident light converted into the electrical energy.
  • the core plate should have the widest possible range of absorption of solar radiation and close to 100% conversion efficiency of absorbed light into the fluorescent light with photon energy slightly above the band gap of semiconductor converters of solar batteries, as well as high transparency to luminescent light.
  • both these two faces need to be in optical contact with the substance with the smallest possible refractive index, than the plate.
  • the core plate, covered with compound was mechanically strong and a chemically inert, was covered on both sides by regular mineral glass of 6 mm thick.
  • the core was covered with a liquid SIEL with a hardener. It was superimposed by glass plates and then carried out the thermal polymerization of the compound.
  • the result of this is a monolithic multilayer plate - luminescent light radiation concentrator or multilayer luminescent glass (hereinafter - the glass). All this five-layer system after heat treatment is optically transparent and mechanically rigid.
  • Working model of the plate core has a size of 2x120x105mm 3 .
  • the perimeter of the core plate is L - 450 mm.
  • the average total thickness of the glass is 14.6 mm.
  • the thickness of the compound on each side of SIEL is 0.3 mm.
  • Figure 2 shows a schematic cross-section
  • Figures 3a,b,c shows the photos of the working sample of the multilayer luminescent light concentrator.
  • the prototype has the active size of 90 x 72 mm 2 (Fig. 3c], which gets direct light.
  • the critical angle for small faces will be:
  • the lower limit of the amount of light leaving through four small edges around the perimeter of the plate is:
  • Luminescent light output from a variety of geometric shapes is described in the literature in detail, for example in [2,3].
  • Window glass can be considered as a rectangular prism, whose height is much smaller than the length and width and as an infinitely large parallel plane plate.
  • the amount of trapped light of two geometric shapes, a rectangular parallelepiped and an infinitely large parallel-plane plate are different (see Table 1 in [2]). Therefore we need to figure out which considered geometric figure corresponds to a pane glass, depending on its size.
  • Figure 6 shows number of reflections from the large faces of the rectangular prism until the first hit on the small faces for the plate of size of 100x100x2 mm 3 .
  • Luminescent light output of a rectangular prism and a parallel plane plate is different, when the length and width of the plate substantially exceeds of its thickness.
  • Left lower plateau for which LXY / LZ ⁇ 10 2 coincides with the results of [2] for a rectangular prism, and after the values of LXY / LZ > 10 5 , right upper plateau, coincides with the results of [2] for an infinitely large plates.
  • This coincidence is due to the fact that the program GEANT makes 10000 steps in the volume for each simulated photon and after stops it propagation.
  • more photons, which for default step number were considered as trapped start to leave the volume. At infinite limit all trapped photons will leave the volume, but this difficult to check, because calculation time of simulation increases dramatically with increasing of step numbers.
  • the semiconductor light converters delivers an electrical power on a resistor R, which is measured by the ammeter and the voltmeter in the circuit, as shown in Figure 9.
  • the electrical circuit of the semiconductor converters can measure a single element independently, as well as all twelve elements arranged in optical contact to small edges around the perimeter of the core plate in serial or in parallel circuit of the connection.
  • the glass is closed by opaque, reflective material for protection from the stray light.
  • the glass was illuminated with blue, green and red LEDs.
  • the registration of luminescent light was carried out using photodiode S1723-05 7G, 10 x 10 mm 2 of company Hamamatsu, plugged in the current mode.
  • the LED was directly illuminating a spot of 10 x 10 mm 2 of the appropriate wavelength and power on the resistor R was measured.
  • the results are shown in Figures 10a and 11a.
  • the photodiode was mounted on a small surface of the plate and the central part of the glass was illuminated by the LED from the same distance, with a light spot of same 10 x 10 mm 2 size, and the power on the resistor R was measured.
  • the results are shown in Figures 10b and l ib.
  • the amount of light as a percentage of light collected around the perimeter of the core plate, and respectively, proportional to that light, the amount of the power.
  • the spot of 10 x 10 mm 2 directly on photodiode delivers a power of 329.6 microWatts frWatt].
  • the core photodiode mounteded on a small face of the plate the core photodiode, with illuminated spot of the same size in the center of the plate, delivers the power of:
  • the core plate is absolutely insensitive, while photodiode at this wavelength is sensitive enough.
  • the spectral study of core plates show the maximum sensitivity to the blue part of the light, falling at the green part about three times and not sensitive to the red part of the light.
  • Figures 12, 13 and 14 shows the results of measurements for the gas-discharge lamps with solar panel BP-2911-C4. From Figure 13 and Figure 14 one can determine the amount of light as a percentage of light collected around the perimeter of the plate core, and respectively, proportional to this amount of light the power at full illumination of the active surface of the module at a distance of one meter from the light source, which is:
  • the measurements were made on a cloudless days at 45°.26' north latitude for two light to electrical converters, the solar panel BP-2911-C4 and for the photodiode S1723-05 7G.
  • Figures 15, 16 and 17 show the solar panel BP-2911-C4 respond for direct sunlight on the working module of multilayer luminescent glass.
  • the results of measurements for direct sunlight and for luminescent lights produced by sunlight in the core plate is shown on Fig. 15. From Fig. 15, one can determine the amount of luminescent light on the perimeter of the core plate for direct sunlight:
  • the core plates are divided into squares and along the perimeter of each square two-side converters of light into electricity are installed, which are then displayed on the outer perimeter of the core. That is, semiconductor converters make a grid whose cells are filled with a material the of core plate. Other layers are just like in the layout.
  • Table 1 The type and concentration of luminescent additives.

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  • Photovoltaic Devices (AREA)

Abstract

L'objet de la présente invention est de créer un verre de construction, qui convertit une partie de la lumière qui passe à travers celui-ci en énergie électrique. L'utilisation de tels verres dans l'industrie de la construction permettra de convertir une partie de la lumière (qui représente une énergie solaire) incidente sur la structure du bâtiment en électricité, ce qui permet de disposer d'une source constante supplémentaire d'énergie électrique, ce qui à son tour permet de réduire la dépendance vis-à-vis d'une source externe d'énergie électrique, et dans certains cas permettra de disposer d'une source d'énergie indépendante. Sur la base du phénomène de luminescence, un échantillon de verre luminescent multicouche a été conçu, lequel échantillon convertit une partie de la lumière qui passe à travers celui-ci en énergie électrique. L'échantillon de verre ainsi conçu ou le module de fonctionnement répond à toutes les caractéristiques du verre en tant que matériau de construction et est doté d'une qualité supplémentaire : il réémet une partie de la lumière incidente sur la surface du verre à un angle par rapport au faisceau incident, il transporte la plupart de la lumière réémise vers les convertisseurs à semi-conducteur d'énergie lumineuse en électricité, qui sont placés sur la plaque centrale du verre.
PCT/CA2011/001036 2011-09-20 2011-09-20 Transformateur d'énergie solaire en énergie électrique basé sur un concentrateur de rayonnement solaire à verre luminescent WO2013040672A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CA2011/001036 WO2013040672A1 (fr) 2011-09-20 2011-09-20 Transformateur d'énergie solaire en énergie électrique basé sur un concentrateur de rayonnement solaire à verre luminescent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CA2011/001036 WO2013040672A1 (fr) 2011-09-20 2011-09-20 Transformateur d'énergie solaire en énergie électrique basé sur un concentrateur de rayonnement solaire à verre luminescent

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WO2013040672A1 true WO2013040672A1 (fr) 2013-03-28

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PCT/CA2011/001036 WO2013040672A1 (fr) 2011-09-20 2011-09-20 Transformateur d'énergie solaire en énergie électrique basé sur un concentrateur de rayonnement solaire à verre luminescent

Country Status (1)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006088369A2 (fr) * 2005-02-16 2006-08-24 Stichting Voor De Technische Wetenschappen Objet luminescent et utilisation
WO2009091773A2 (fr) * 2008-01-14 2009-07-23 Massachusetts Institute Of Technology Concentrateur et dispositifs solaires ainsi que procédés les utilisant
WO2010076791A2 (fr) * 2008-12-31 2010-07-08 Green-Sun Energy Ltd. Concentrateur solaire luminescent

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006088369A2 (fr) * 2005-02-16 2006-08-24 Stichting Voor De Technische Wetenschappen Objet luminescent et utilisation
WO2009091773A2 (fr) * 2008-01-14 2009-07-23 Massachusetts Institute Of Technology Concentrateur et dispositifs solaires ainsi que procédés les utilisant
WO2010076791A2 (fr) * 2008-12-31 2010-07-08 Green-Sun Energy Ltd. Concentrateur solaire luminescent

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