CN106847999B - A kind of manufacturing method of solar power generation component - Google Patents

A kind of manufacturing method of solar power generation component Download PDF

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Publication number
CN106847999B
CN106847999B CN201710109996.3A CN201710109996A CN106847999B CN 106847999 B CN106847999 B CN 106847999B CN 201710109996 A CN201710109996 A CN 201710109996A CN 106847999 B CN106847999 B CN 106847999B
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solar battery
solar
layer
power generation
generation component
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CN201710109996.3A
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CN106847999A (en
Inventor
张崇英
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Nantong One Choice Industrial Design Co Ltd
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Nantong One Choice Industrial Design Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/1804Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic System
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042PV modules or arrays of single PV cells
    • H01L31/05Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
    • H01L31/0504Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/054Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means
    • H01L31/0547Optical elements directly associated or integrated with the PV cell, e.g. light-reflecting means or light-concentrating means comprising light concentrating means of the reflecting type, e.g. parabolic mirrors, concentrators using total internal reflection
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/547Monocrystalline silicon PV cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The present invention provides a kind of manufacturing methods of solar power generation component, in turn include the following steps:Silicon substrate is provided, the silicon substrate has opposite first surface and second surface;Etching is formed in multiple grooves in the silicon substrate;Multiple first solar battery cells are formed, are placed in the multiple groove, and its top surface is flushed with the first surface;Patterned first transparency conducting layer is formed, setting is on the first surface;Multiple second solar battery cells are formed, are set on the first surface, and is staggered in the horizontal with the multiple first solar battery cell;First transparency conducting layer is separately connected multiple first solar battery groups of hearth electrode composition of the top electrode and second solar battery cell of first solar battery cell.

Description

A kind of manufacturing method of solar power generation component
Technical field
The present invention relates to new energy fields, and in particular to a kind of manufacturing method of solar power generation component.
Background technology
With the continuous development of the mankind, energy consumption is increasing so that the related-art process of solar components becomes The hot issue that the whole society pays close attention to energetically.Itself for solar components, for the transfer efficiency pole of sunlight and Its stability has direct relationship with solar cell fabrication process and solar structure.In the prior art, solar-electricity Pond mostly uses the solar battery panel of the form formation large area to tile in the same plane subsequently to encapsulate use, however The utilization ratio for the solar battery panel light arranged in this way is low, is not easy to lock light.How the conversion effect of solar cell is improved Rate is current key point in urgent need to be improved.
Invention content
Based on solving the above problems, the present invention provides a kind of manufacturing methods of solar power generation component, include such as successively Lower step:
Silicon substrate is provided, the silicon substrate has opposite first surface and second surface;
Etching is formed in multiple grooves in the silicon substrate;
Multiple first solar battery cells are formed, are placed in the multiple groove, and its top surface and first table Face flushes;
Patterned first transparency conducting layer is formed, setting is on the first surface;
Form multiple second solar battery cells, be set on the first surface, and with the multiple first sun Energy battery unit is staggered in the horizontal;
First transparency conducting layer is separately connected the top electrode and second solar energy of first solar battery cell The hearth electrode of battery unit forms multiple first solar battery groups.
According to an embodiment of the invention, further comprise that be formed on the side wall and bottom wall of the multiple groove first is anti- Material layer is penetrated, first layer of reflective material surrounds the multiple first solar battery cell.
According to an embodiment of the invention, further include the second reflecting material of deposition, then perform etching, form the second reflecting material The bed of material is in the side of the multiple second solar battery cell and first transparency conducting layer.
According to an embodiment of the invention, further include forming first through hole, by the multiple first solar battery cell Hearth electrode leads to the second surface.
According to an embodiment of the invention, further include forming the second through-hole and the second transparency conducting layer, the transparency conducting layer The top electrode of the multiple second solar battery cell and second layer of reflective material are covered, and it is logical to be electrically connected described second Hole by the top electrode of the multiple second solar battery cell to lead to the second surface.
According to an embodiment of the invention, further include depositing conductive layer on the second surface, then carry out patterning shape At electrode pattern, it is electrically connected first and second through-hole.
According to an embodiment of the invention, first layer of reflective material is identical with second reflecting material, is respectively selected from The insulating glass or insulating ceramics of reflective.
According to an embodiment of the invention, first transparency conducting layer and the second transparency conducting layer are selected from ITO(Tin dope three Indium oxide), AZO (aluminium-doped zinc oxide) or IZO(Indium doping zinc oxide).
Advantages of the present invention is as follows:
(1)Using solar battery cell on the surface of a substrate with the fluctuating under surface, the sun of concavo-convex arrangement is formed Energy battery panel, being conducive to continuous reflection enhancement of the sunlight on male and fomale(M&F), it is absorbed;
(2)Light reflecting material layer further increases light reflection, increases the capture probability of light;
(3)Preparation process method is simple, cost reduction.
Description of the drawings
Fig. 1 is the sectional view of the solar power generation component of the present invention;
Fig. 2-9 is the sectional view of the manufacturing process of the solar power generation component of the present invention;
Figure 10 is the flow chart of the solar power generation component manufacturing process of the present invention.
Specific implementation mode
Referring to Fig. 1, solar power generation component of the invention, including:
Silicon substrate 1 has opposite first surface(Upper surface)And second surface(Lower surface);
Multiple grooves 2 are formed in the silicon substrate 1;
Multiple first solar battery cells 4, are placed in the multiple groove 2, and its top surface and the first surface It flushes;
Multiple second solar battery cells 3, are set on the first surface, and with the multiple first solar-electricity Pool unit 4 is staggered in the horizontal;
First transparency conducting layer 6 of separation, setting on the first surface, and are separately connected first solar-electricity The hearth electrode of the top electrode of pool unit 4 and second solar battery cell 3 forms multiple first solar battery groups;
First layer of reflective material 5b, is formed on the side wall and bottom wall of the multiple groove 2, and surrounds the multiple first Solar battery cell 4.
Further include the second layer of reflective material 5a, setting the multiple second solar battery cell 3 and it is described first thoroughly The side of bright conductive layer 6.Further include first through hole 12, the hearth electrode of the multiple first solar battery cell 4 is led to The second surface.Further include the second through-hole 8, the second transparency conducting layer 7, the transparency conducting layer 7 covers the multiple second The top electrode of solar battery cell 3 and the second layer of reflective material 5a, and second through-hole 8 is electrically connected with will be described more The top electrode of a second solar battery cell 3 leads to the second surface.
Further include electrode pattern, including first electrode 10 and second electrode 9, be arranged on the second surface, respectively electricity Connect the first through hole 12 and the second through-hole 8.
Referring to Figure 10, the manufacturing method of solar power generation component of the invention in turn includes the following steps:
Referring to Fig. 2, silicon substrate 1 is provided, the silicon substrate has opposite first surface and second surface, has certain Thickness, can be Silicon Wafer;
The multiple grooves 2 being formed in by dry or wet etch referring to Fig. 3 in the silicon substrate 1;
Referring to Fig. 4, the first layer of reflective material 5b being formed on the side wall and bottom wall of the multiple groove 2, described first Layer of reflective material can be formed by depositional mode, and the first layer of reflective material 5b can form concave-convex table by ion bombardment Face forms diffusing reflection layer.
Referring to Fig. 5, form multiple first solar battery cells 4, be placed in the multiple groove 2, and its top surface with The first surface flushes, and the first layer of reflective material 5b surrounds the multiple first solar battery cell 4;
Patterned first transparency conducting layer 6 is formed, setting is on the first surface;It is formed can be whole by depositing Then patterned mode is formed and can also be formed by way of silk-screen printing a first surface.
Referring to Fig. 6, form multiple second solar cell lists, 3, be set on the first surface, and with it is the multiple First solar battery cell 4 is staggered in the horizontal;
First transparency conducting layer 6 is separately connected the top electrode and second sun of first solar battery cell 4 The hearth electrode of energy battery unit 3 forms multiple first solar battery groups.
Referring to Fig. 7, the second reflecting material is deposited, is then performed etching, form the second reflecting material, 5a is the multiple the The side of two solar battery cells 3 and first transparency conducting layer 6.
Referring to Fig. 8, via 13 is formed, and fills conductive materials and forms first through hole 12, by the multiple first solar energy Battery list, 3 hearth electrode lead to the second surface.
Via 14 is formed, and fills conductive materials and forms the second through-hole 8, then carry out transparency conducting layer deposition and carry out figure Caseization forms the second transparency conducting layer 7, and the transparency conducting layer 7 covers the top electricity of the multiple second solar battery cell 3 Pole and the second layer of reflective material 5a, and second through-hole 8 is electrically connected with by the multiple second solar battery cell 3 Top electrode lead to the second surface.
Referring to Fig. 9, conductive layer is deposited on the second surface, is then carried out patterning and is formed electrode pattern 9,10, point It is not electrically connected first and second through-hole 8,12.
According to an embodiment of the invention, the first layer of reflective material 5b is identical with the second reflecting material 5a, respectively Insulating glass selected from reflective or insulating ceramics.First transparency conducting layer, 6 and second transparency conducting layer 7 is selected from ITO(Tin Adulterate three indium oxides), AZO (aluminium-doped zinc oxide) or IZO(Indium doping zinc oxide).
Finally it should be noted that:Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and simultaneously The non-restriction to embodiment.For those of ordinary skill in the art, it can also do on the basis of the above description Go out other various forms of variations or variation.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn The obvious changes or variations that Shen goes out are still in the protection scope of this invention.

Claims (8)

1. a kind of manufacturing method of solar power generation component, in turn includes the following steps:
Silicon substrate is provided, the silicon substrate has opposite first surface and second surface;
Etching is formed in multiple grooves in the silicon substrate;
Multiple first solar battery cells are formed, are placed in the multiple groove, and its top surface and the first surface are neat It is flat;
Patterned first transparency conducting layer is formed, setting is on the first surface;
Form multiple second solar battery cells, be set on the first surface, and with the multiple first solar-electricity Pool unit is staggered in the horizontal;
First transparency conducting layer is separately connected the top electrode and second solar cell of first solar battery cell The hearth electrode of unit forms multiple first solar battery groups.
2. the manufacturing method of solar power generation component according to claim 1, it is characterised in that:Further comprise being formed in The first layer of reflective material on the side wall and bottom wall of the multiple groove, first layer of reflective material surround the multiple first Solar battery cell.
3. the manufacturing method of solar power generation component according to claim 1, it is characterised in that:Further include that deposition second is anti- Material is penetrated, is then performed etching, forms the second layer of reflective material in the multiple second solar battery cell and described first The side of transparency conducting layer.
4. the manufacturing method of solar power generation component according to claim 3, it is characterised in that:Further include forming first to lead to The hearth electrode of the multiple first solar battery cell is led to the second surface by hole.
5. the manufacturing method of solar power generation component according to claim 4, it is characterised in that:Further include forming second to lead to Hole and the second transparency conducting layer, second transparency conducting layer cover the multiple second solar battery cell top electrode and Second layer of reflective material, and second through-hole is electrically connected with by the top electrode of the multiple second solar battery cell Lead to the second surface.
6. the manufacturing method of solar power generation component according to claim 5, it is characterised in that:Further include described second Conductive layer is deposited on surface, is then carried out patterning and is formed electrode pattern, is electrically connected first and second through-hole.
7. the manufacturing method of solar power generation component according to claim 3, it is characterised in that:First layer of reflective material and Second reflecting material is identical, is selected from the insulating glass or insulating ceramics of reflective.
8. the manufacturing method of solar power generation component according to claim 5, it is characterised in that:First electrically conducting transparent Layer and the second transparency conducting layer are selected from ITO(Three indium oxide of tin dope), AZO (aluminium-doped zinc oxide) or IZO(Indium doping aoxidizes Zinc).
CN201710109996.3A 2017-02-28 2017-02-28 A kind of manufacturing method of solar power generation component Active CN106847999B (en)

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CN103579407A (en) * 2012-07-26 2014-02-12 聚日(苏州)科技有限公司 Solar cell and manufacturing method thereof
CN104091862A (en) * 2010-08-06 2014-10-08 晶元光电股份有限公司 Semiconductor photoelectric element and manufacturing method thereof

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JP2006013403A (en) * 2004-06-29 2006-01-12 Sanyo Electric Co Ltd Solar cell, solar cell module, its manufacturing method, and its reparing method
TWI373849B (en) * 2008-06-12 2012-10-01 Nexpower Technology Corp Stacked-layered thin film solar cell and manufacturing method thereof
CN101958361A (en) * 2009-07-13 2011-01-26 无锡尚德太阳能电力有限公司 Method for etching transparent thin-film solar cell component
KR20130011462A (en) * 2011-07-21 2013-01-30 삼성에스디아이 주식회사 Solar cell module and method for manufacturing the same
CN103165694B (en) * 2011-12-09 2016-11-23 聚日(苏州)科技有限公司 A kind of solar module and manufacture method thereof
CN103247635B (en) * 2013-01-31 2015-12-23 中国科学院苏州纳米技术与纳米仿生研究所 Laser photovoltaic cell of positive-negative-positive structure and preparation method thereof
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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1243602A (en) * 1997-01-21 2000-02-02 博拉尔能源有限公司 A method of producing thin silicon films
CN104091862A (en) * 2010-08-06 2014-10-08 晶元光电股份有限公司 Semiconductor photoelectric element and manufacturing method thereof
CN103579407A (en) * 2012-07-26 2014-02-12 聚日(苏州)科技有限公司 Solar cell and manufacturing method thereof

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Denomination of invention: A manufacturing method for solar power generation modules

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