EP1520304A2 - Cellule solaire et procede de production - Google Patents

Cellule solaire et procede de production

Info

Publication number
EP1520304A2
EP1520304A2 EP03757036A EP03757036A EP1520304A2 EP 1520304 A2 EP1520304 A2 EP 1520304A2 EP 03757036 A EP03757036 A EP 03757036A EP 03757036 A EP03757036 A EP 03757036A EP 1520304 A2 EP1520304 A2 EP 1520304A2
Authority
EP
European Patent Office
Prior art keywords
solar cell
cell according
layer
producing
curved surface
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP03757036A
Other languages
German (de)
English (en)
Inventor
Horst Kibbel
Ulf KÖNIG
Hartmut Presting
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler 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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP1520304A2 publication Critical patent/EP1520304A2/fr
Withdrawn legal-status Critical Current

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
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • 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

Definitions

  • the invention relates to a solar cell and a method for its production.
  • Solar cells are being provided on more and more surfaces in order to cover the energy requirements with renewable energies in a contemporary way.
  • solar cells are manufactured on an industrial scale and mostly assembled into so-called panels (assemblies), which are then placed on the surfaces.
  • the solar cells are manufactured flat, assembled into panels and then cumbersome - if at all - adapted to the surface structure. This makes the solar cells unsightly, since thick, eye-catching plates are created, which also have to be elaborately mounted on the surfaces.
  • the intended and contemporary use of solar cells for energy generation is not possible.
  • the area of application in the automotive industry is almost completely closed to solar cells using regenerative energy.
  • the object of the invention is to provide a solar cell and a method for its production, in which the conventional, complex adaptation to surfaces and shapes is no longer necessary.
  • the object is achieved by a solar cell according to claim 1 and a method for producing a solar cell according to claim 18.
  • the solar cell is formed on an uneven, curved surface, in particular of a vehicle component, the solar cell being deposited or grown directly on the surface.
  • the invention proposes to provide the solar cells in such a way that they can be produced directly on the surface without producing them externally.
  • the shape of the solar cells is perfectly adapted to the surface profile.
  • the use of solar cells is no longer restricted to use on perfectly flat surfaces.
  • the elaborate provision of solar cells in the form of the housings or panels required for this, with the disadvantages mentioned above, is avoided and avoided.
  • the curved surface is advantageously the surface of a vehicle component, in particular a molded body part, in particular the bonnet, the trunk lid or the roof, or a roof element, in particular made of glass. This enables the use of solar cells on automobiles, taking into account the aesthetic aspects. Likewise, due to the perfect adaptation of the shape of the semiconductor component to the flowing shapes of the body, air resistance is reduced, which has a positive effect on energy consumption.
  • a surface of a building or parts of it can also be used as a surface on which it is grown Install on a building. So roof tiles or roof elements are conceivable, but also larger areas of the outer walls.
  • An advantageous embodiment of the invention proposes that at least one layer of the solar cell built up in layers is at least partially made of nanoparticles. This particularly supports direct growth on the curved surface.
  • the nanoparticles consist of monocrystalline or polycrystalline semiconductor material and consist of an element semiconductor, in particular silicon, a compound semiconductor or a combination of element and compound semiconductors, in particular germanium and silicon.
  • a preferred embodiment of the invention provides that the semiconductor material has been deposited on the surface by an emulsion that transports the nanoparticles or by a plasma process.
  • An emulsion like a plasma process, transports the particles directly to any surface without it having to be flat.
  • the semiconductor component preferably has a photoactive pn semiconductor layer with an n semiconductor layer located on one surface of the pn semiconductor layer and a p semiconductor layer located on the other surface of the pn semiconductor layer.
  • the invention further relates to a method for producing a solar cell, which is characterized in that the solar cell is deposited directly on an uneven, curved surface, in particular a vehicle component, wherein at least one layer of the layered solar cell is at least partially made of nanoparticles that are applied to the surface to form the layer.
  • the curved surface is the surface of a vehicle component, which is in particular a molded body part, in particular the bonnet, the trunk lid or the roof, or a roof element, in particular made of glass.
  • An advantageous method step provides that nanoparticles made of monocrystalline or polycrystalline semiconductor material are used, this consisting of an element semiconductor, in particular silicon, a compound semiconductor or a combination of element and compound semiconductors, in particular germanium and silicon.
  • An advantageous method step provides that the nanoparticles of a layer are applied to the curved surface by a transporting emulsion.
  • An equally advantageous method step provides for the nanoparticles of a layer to be applied to the layer curved surface applying plasma coating process is deposited.
  • a heating process to a few hundred degrees Celsius, in particular 400 ° C., is carried out. This improves the fusion of the nanoparticles into semiconducting structures.
  • a preferred method step provides that an electrically conductive front contact layer is formed on the upper surface of the semiconductor layers, which faces away from the curved surface, which is transparent, in particular, for the essential part of the solar spectrum.
  • Fig. 1 shows a solar cell according to the invention.
  • FIG. 1 shows a solar cell according to the invention, which has been produced by the method according to the invention directly on the uneven, curved surface 31 of a vehicle component 3 (molded body part).
  • the layers 4, 5, 7, 8, 9, 10, 11, 12 of the solar cell are produced here from nanoparticles deposited by means of an emulsion.
  • the nanoparticles consist of monocrystalline or polycrystalline semiconductor material, for example of an element semiconductor, in particular silicon, a compound semiconductor or a combination of element and compound semiconductors, in particular of germanium and silicon.
  • the solar cell has a photoactive pn semiconductor layer 8 with an n semiconductor layer 7 located on the upper surface of the pn semiconductor layer and a p semiconductor layer 9 located on the lower surface of the pn semiconductor layer.
  • photovoltaically active, doped silicon is very suitable as a basic material for the nanoparticles forming the semiconductor layer due to good and cheap availability.
  • an electrically conductive rear contact layer 5 made of metal is formed on the underside (the side facing the curved surface 31) and an electrically conductive front contact layer 11 is formed on the upper side, which faces away from the curved surface 31.
  • the front contact layer 11 is transparent to the essential part of the solar spectrum so that the light quanta can reach the semiconductor layers.
  • ITO indium tin oxide
  • An electrically conductive, equally transparent polymer is also possible here.
  • the known grid or thread-like metal structures for current dissipation on the top are possible.
  • the solar cell is provided with an electrically insulating insulation layer 4 on its surface adjacent to the curved surface 31. It is also conceivable that neither insulation layer nor back contact layer are provided, then the task of current dissipation is taken over by the metal of the body part itself.
  • An antireflection layer 10 is applied between the front contact layer 11 and the p-type semiconductor layer 9, so that the light quanta are not reflected out again unused can.
  • the anti-reflective layer can be formed by a suitable material or else by a surface structuring of an existing layer.
  • a protective layer 12 that is transparent to the essential part of the solar spectrum is applied to the front contact layer.
  • a simple paint or similar application can be used here.
  • the individual layers from the monocrystalline or polycrystalline nanoparticles they are brought over the surface on which they are to be deposited by means of an emulsion in which the nanoparticles are contained. After removal of the carrier liquid by a heating and drying step, the nanoparticles, which are usually in a diameter range from 1 nm to 100 nm, then form the layer. So that its physical, in particular electrical, properties are improved, a heating process at a few hundred degrees Celsius can also be provided, for example 400 ° C., which also improves the crystal properties of the deposited semiconductor material.
  • the mono- or polycrystalline semiconductor material forming the nanoparticles can consist of an element semiconductor, for example silicon, but also of a compound semiconductor or a combination of element and compound semiconductors, for example germanium with silicon.
  • element semiconductor for example silicon
  • compound semiconductor for example germanium with silicon
  • the choice is to be made according to the corresponding marginal parameters such as costs and other properties.
  • an emulsion application process it can also be achieved by means of a known plasma process that the nanoparticles are deposited on the surface. An appropriate choice must be made here according to the local circumstances. If required, an electrically insulating insulation layer 4 can be produced on the curved surface 31 before the application of a metal back contact layer 5 for the solar cell 2, so that no unwanted current outflows occur via the material of the vehicle component.
  • an anti-reflection layer 10 is to be applied to the upper semiconductor layer 9 or to the front contact layer 11 produced on the upper semiconductor layer.
  • Such an antireflection layer 10 can be produced by a surface structuring process of a surface, one of the
  • a protective layer 12 that is transparent to the essential part of the solar spectrum and protects against mechanical and / or chemical interference can be applied.
  • Vehicle component surface of the vehicle component insulation layer back contact layer n-semiconductor layer pn-semiconductor layer p-semiconductor layer anti-reflective layer upper surface front contact layer protective layer

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

L'invention concerne une cellule solaire formée sur une surface courbe non plane (31), en particulier d'un composant de véhicule (3), laquelle cellule solaire est déposée ou obtenue par croissance directement sur ladite surface. Cette invention concerne également un procédé de production d'une cellule solaire, selon lequel cette cellule solaire est déposée directement sur une surface courbe non plane (31), en particulier d'un composant de véhicule (3), et au moins une couche (4, 5, 6, 7, 8, 9, 10, 11, 12) de cette cellule solaire, constituée de couches, est produite au moins partiellement à partir de nanoparticules appliquées sur ladite surface courbe pour permettre la formation de cette couche.
EP03757036A 2002-06-07 2003-06-06 Cellule solaire et procede de production Withdrawn EP1520304A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10225606 2002-06-07
DE10225606A DE10225606A1 (de) 2002-06-07 2002-06-07 Halbleiterbauelement und Verfahren zur Herstellung
PCT/EP2003/005944 WO2003105239A2 (fr) 2002-06-07 2003-06-06 Cellule solaire et procede de production

Publications (1)

Publication Number Publication Date
EP1520304A2 true EP1520304A2 (fr) 2005-04-06

Family

ID=29718913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03757036A Withdrawn EP1520304A2 (fr) 2002-06-07 2003-06-06 Cellule solaire et procede de production

Country Status (4)

Country Link
EP (1) EP1520304A2 (fr)
AU (1) AU2003246400A1 (fr)
DE (1) DE10225606A1 (fr)
WO (1) WO2003105239A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008049374A1 (de) 2008-09-27 2010-04-01 JODLAUK, Jörg Halbleiterfaserstrukturen als Energieerzeuger
MD4377C1 (ro) * 2010-05-19 2016-05-31 Вильгельм КОСОВ Convertor fotovoltaic semiconductor şi procedeu de fabricare a acestuia
DE202023000086U1 (de) 2023-01-04 2023-02-02 Semen Zaitchik Photovoltaik-Anlage mit spezieller Anordnung von Solarzellen

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5850782A (ja) * 1981-09-21 1983-03-25 Fuji Electric Corp Res & Dev Ltd 自動車用太陽電池
FR2550007A1 (en) * 1983-07-29 1985-02-01 Sanyo Electric Co Method for producing a semiconducting film and photovoltaic device obtained by the method
JPS60146746A (ja) * 1984-01-07 1985-08-02 Sumitomo Electric Ind Ltd 自動車用太陽電池の製造法
JPS60220977A (ja) * 1985-03-29 1985-11-05 Hitachi Ltd 太陽電池
JPS62102570A (ja) * 1985-10-29 1987-05-13 Semiconductor Energy Lab Co Ltd 車載用光電変換装置
DE68911201T2 (de) * 1988-05-24 1994-06-16 Asahi Glass Co Ltd Methode für die Herstellung eines Solarzellenglassubstrates.
DE4006756A1 (de) * 1990-03-03 1991-09-05 Webasto Ag Fahrzeugtechnik Lichtdurchlaessige scheibe fuer kraftfahrzeuge
US5800611A (en) * 1997-09-08 1998-09-01 Christensen; Howard Method for making large area single crystal silicon sheets
US6127202A (en) * 1998-07-02 2000-10-03 International Solar Electronic Technology, Inc. Oxide-based method of making compound semiconductor films and making related electronic devices
DE19849048A1 (de) * 1998-10-23 2000-04-27 Inst Neue Mat Gemein Gmbh Verfahren zur Herstellung von Suspensionen und Pulvern von Indium-Zinn-Oxid und deren Verwendung
DE19951207A1 (de) * 1999-10-15 2001-04-19 Twlux Halbleitertechnologien B Halbleiterbauelement
JP2001158966A (ja) * 1999-12-01 2001-06-12 Ebara Corp 金属ないし金属化合物薄膜の作製方法
DE10020429A1 (de) * 2000-04-26 2001-11-15 Torsten Niemeyer Dachelement mit integrierter Solarzelle

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03105239A3 *

Also Published As

Publication number Publication date
WO2003105239A3 (fr) 2005-01-20
AU2003246400A1 (en) 2003-12-22
WO2003105239A2 (fr) 2003-12-18
DE10225606A1 (de) 2004-01-08

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