CN102254973A - Solar cell module - Google Patents

Solar cell module Download PDF

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Publication number
CN102254973A
CN102254973A CN2010101826684A CN201010182668A CN102254973A CN 102254973 A CN102254973 A CN 102254973A CN 2010101826684 A CN2010101826684 A CN 2010101826684A CN 201010182668 A CN201010182668 A CN 201010182668A CN 102254973 A CN102254973 A CN 102254973A
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CN
China
Prior art keywords
solar module
solar
supporting assembly
electrically connect
light
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Pending
Application number
CN2010101826684A
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Chinese (zh)
Inventor
林崇智
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Aussmak Optoelectronics Corp
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Aussmak Optoelectronics Corp
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Publication date
Application filed by Aussmak Optoelectronics Corp filed Critical Aussmak Optoelectronics Corp
Priority to CN2010101826684A priority Critical patent/CN102254973A/en
Publication of CN102254973A publication Critical patent/CN102254973A/en
Pending legal-status Critical Current

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    • 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

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  • Photovoltaic Devices (AREA)

Abstract

The invention relates to a solar cell module which comprises a tube body and a solar cell assembly, wherein the iron content of the tube body is x ppm, the tube wall thickness of the tube body is y mm, and the equation of x and y meets that x*y is less than or equal to 1000; and the solar cell assembly is arranged in the tube body and provided with a light-accepting plane.

Description

Solar module
Technical field
The present invention relates to a kind of solar module.
Background technology
Solar energy itself there is no pollution problem and obtains easily, never exhausts, so solar energy becomes one of important alternative energy.The solar cell of normal applied solar energy is a kind of photoelectric conversion component, its via solar light irradiation after, transform light energy is become electric energy.
The influencing factor of the photoelectric conversion efficiency of solar cell has many, one of them the time sunlight quantities received, if solar cell can receive many more sunlights in the unit interval, then photoelectric conversion efficiency just may be high more; Otherwise then its photoelectric conversion efficiency just may be low more.
A kind of existing solar module is that solar cell is placed in the body, and wherein, the iron content of body and pipe thickness all can influence the amount that sunlight penetrates body, and then influence photoelectric conversion efficiency.Therefore, how to provide a kind of solar module, by controlling the relation of its tube wall and iron content, and can allow solar module receive more light and then promote photoelectric conversion efficiency, become one of important topic.
Summary of the invention
In view of above-mentioned problem, purpose of the present invention is for providing a kind of solar module, by controlling the relation of its pipe thickness and iron content, and can allow solar module absorb more light and then promotes photoelectric conversion efficiency.
For reaching above-mentioned purpose, comprise a body and a solar module according to a kind of solar module of the present invention.Body is to the small part printing opacity, and the iron content of body is x ppm, and the pipe thickness of body is y mm, and wherein the relational expression of x and y satisfies x*y≤1000.Solar module is arranged in the body, and has a light plane.
From the above, solar module of the present invention, in multiple authentication, the iron content that obtains when body is x ppm, pipe thickness is y mm, and the relation of pipe thickness and iron content satisfies x*y≤1000 o'clock, and extraneous light can pass body effectively, be beneficial to solar module and receive light, make photoelectric conversion efficiency effectively to promote.In addition, satisfy above-mentioned relation by control valve wall thickness and iron content, effective control material cost can not cause cost significantly to increase because of pursuing light wall pipe wall and low iron content simply yet.
Description of drawings
Fig. 1 and Fig. 2 are the schematic diagram of different aspects of the solar module of first embodiment of the invention;
Fig. 3 is the schematic diagram that a plurality of solar module of the present invention connects;
Fig. 4 is the schematic diagram of another solar module of first embodiment of the invention;
Fig. 5 A and Fig. 5 B are respectively the schematic perspective view and the end view of the solar module of second embodiment of the invention;
Fig. 5 C to Fig. 5 E is the schematic diagram that the solar module of second embodiment of the invention has a plurality of solar modules;
Fig. 5 F is the schematic diagram that the supporting assembly of the solar module of second embodiment of the invention has optical texture;
Fig. 6 and Fig. 7 are the schematic diagram of different aspects of the solar module of second embodiment of the invention;
Fig. 8 has the schematic diagram of fluid for the solar module of second embodiment of the invention; And
Fig. 9 is the application schematic diagram of the solar module of third embodiment of the invention.
The primary clustering symbol description
1,1a, 1b, 2,2a, 2b, 3: solar module
11,21,21b, 31: body
12,22,22a, 32: solar module
121,221,321: electrode
13,13a, 23,33: electrically connect part
14,24,34: lead
25,25a, 35: supporting assembly
251: optical texture
26,26b: concentrating component
28: fluid
4: driver element
A: upper surface
B: lower surface
C: conductive layer
D: tube wall
H: perforation
I: insulating barrier
RA: light plane
Embodiment
Hereinafter with reference to relevant drawings, a kind of solar module according to the preferred embodiment of the present invention is described, wherein identical assembly will be illustrated with identical Reference numeral.
First embodiment
Please refer to shown in Figure 1ly, a kind of solar module 1 of first embodiment of the invention comprises body 11 and solar module 12.
Body 11 is to the small part printing opacity, and its light transmissive material can for example be glass, quartz or plastics, and wherein glass can be tempered glass.At this, tempered glass can form by chemical enhanced processing, and can make the inwall of body 11 and/or outer wall through intensive treatment and form compressive stress layers, the compression stress of compressive stress layers can be more than 100MPa, and the thickness of compressive stress layers is more than 1 micron.The material of body 11 can comprise SiO 2, Al 2O 3, B 2O 3, Li 2O, Na 2O, K 2O, MgO, CaO, ZnO or ZrO 2Deng.In the present embodiment, be example with body 11 for whole transparent body, certainly, it is printing opacity that body 11 also can have only the light inlet side.
Body 11 has tube wall D, and the thickness of tube wall D is y mm, and the iron content weight ratio of body is x ppm.Generally speaking, tube wall D is thick more, or the body iron content is high more, all can cause sun penetrance to descend.Learn by experimental result, when the relational expression of x and y satisfies x*y≤1000 (mm*ppm), help the lifting of sunlight penetrance.For example, when the thickness of tube wall D is 3.2mm, when iron content was 200ppm, sunlight penetrated amount that body 11 lost only 7%; When the thickness of tube wall D is 0.73~1.1mm, when iron content was 900ppm, sunlight penetrated amount that body 11 lost only 11~12%; When the thickness of tube wall D is 1.2mm, when iron content was 700ppm, sunlight penetrated amount that body 11 lost only 9~10%.And in checking repeatedly, when the relational expression of x and y satisfies x*y≤800, the solar photovoltaic conversion efficient that can be significantly improved, when the relational expression of x and y satisfies x*y≤500, the solar photovoltaic conversion efficient that can further be promoted.
The two ends of body 11 are salable, can be for example with the heating of body 11 two ends with the hot melt sealing or ending part by two envelopes in addition is sealed in body 11 openings at two ends, wherein the envelope material that ends part can for example comprise resin, plastics or metal.At this, the two ends of body 11 are by the sealing of glass material hot melt.In addition, body 11 can be single type or by combining more than two assemblies.The cross section of body 11 is not limited to circle, also can be semicircle, ellipse, triangle or other geometric figure.The body 11 of present embodiment is an example with the circle, and the curved surfaces of body 11 can effectively reduce the reflectivity of incident ray, and promotes the penetrance of incident light.
In addition, body 11 can have anti-reflecting layer and reach or the reflector, and wherein, anti-reflecting layer can be arranged at the outer surface or the inner surface of body 11, is example in this to be arranged at outer surface.By anti-reflecting layer, can reduce the reflection of light and make more light penetration bodys 11, thereby promote the photoelectric conversion efficiency of solar module 1.
Solar module 12 is arranged in the body 11, and has a light plane (flatsurface) RA.Light plane RA is the receiving plane of light, and it is the plane.In this, solar module 12 is a tabular, and is long strip type, for example is the microscler crystal grain of solar cell (elongated die).Certainly, solar module 12 also can be a thin-film solar cells, is arranged at the inwall of body 11, or is arranged on the rectangular circuit board.In the present embodiment, solar module 12 is arranged at the centre of body 11, and the lateral margin of solar module 12 contacts with the inwall of body 11 and mutual contact.
Present embodiment does not limit the material of solar module 12, and it can for example comprise silicon or germanium or compound semiconductor or organic material.The material structure of solar module 12 can be amorphous or crystallite or compound crystal or polycrystalline or monocrystalline.Hold, solar module 12 can for example be monocrystalline silicon or monocrystalline germanium (Ge) or polysilicon (multi-crystalline silicon) or polycrystalline germanium or compound crystal silicon (poly-silicon) or amorphous silicon or amorphous germanium or microcrystal silicon or compound semiconductor (for example III-V family or II-VI family) or the quick battery of engine dyeing (Dye-sensitized Solar Cell) etc. is arranged.
Please refer to shown in Figure 2 to further specify solar module 1.Solar module 12 has two electrodes 121, and those electrodes 121 are arranged at an end of solar module 12 or opposite end or along the long axis direction setting of solar module 12.In this, electrode 121 is arranged at the two ends of solar module 12.
In the present embodiment, solar module 1 comprises that also two electrically connect part 13.Electrically connect the both ends or one end that part 13 can be arranged at body 11, the position of electric connection part 13 can cooperate the position of electrode 121 and be provided with, and in this, electrically connecting part 13 is example to be arranged at body 11 two ends.Electrically connect part 13 and electrically connect,, electrically connect by two electrodes 121 of two leads 14 with solar module 12 in this with solar module 12.Certainly, electrically connecting part 13 also can be by alternate manner and electrode 121 electric connection, for example is directly welded in electrode 121 and electrically connects.
Electrically connect part 13 and can have multiple pattern and implements, in this, electrically connecting part 13 be electrical pin, is passed by the two ends of body 11, and just the part of electrical pin is packaged in the two ends of body 11.In addition, electrically connect part 13 and also can comprise a cap body and a pin as the such aspect of the crown top of burner of fluorescent tube, the cap body is connected with an end of body 11, and pin is established from the cap body is prominent.Perhaps, electrically connect the aspect that part 13 can be connector, be connected in other solar module or the connector on other electronic product with the male and female cooperation.Perhaps, electrically connect the aspect that part 13 can be lead, can connect other solar module or other sub-device by welding.Perhaps, electrically connect the aspect that part 13 can be snap-in structure, connect other solar module or other sub-device with concavo-convex cooperation.Certainly, above-mentioned being all illustrates, not in order to restriction the present invention.
As shown in Figure 3, it is the schematic diagram that two solar module 1a connect.It is the pattern of connector that one of them of solar module 1a electrically connects part 13a, cooperates by male and female, and two solar module 1a can connect mutually to strengthen electric power.
In addition, the solar module 1b of variation aspect as shown in Figure 4, two electrically connects the same end that part 13 is arranged at body 11, and the other end of body 11 ends state for envelope, for example can seal by an end (its material is example with glass) of sintering body and end.
Second embodiment
Fig. 5 A and Fig. 5 B are respectively the schematic perspective view and the end view of a kind of solar module 2 of second embodiment of the invention.Solar module 2 comprises a body 21, a solar module 22 and two electric connection parts 23.Wherein, the iron content weight ratio of body 21 is below the 700ppm.
Be that with the main difference of first embodiment solar module 2 also comprises supporting assembly 25, it is arranged in the body 21, and solar module 22 is arranged at supporting assembly 25.In the present embodiment, the lateral margin of supporting assembly 25 can contact and be resisted against the inwall of body 21, makes supporting assembly 25 be fixed in body 21.It is example that present embodiment is arranged at supporting assembly 25 with a solar module 22, also can have a plurality of solar modules 22 to be arranged on the supporting assembly 25 certainly.
Shown in Fig. 5 C, solar module 2a has three solar module 22a and is arranged on the supporting assembly 25a, but and these solar modules 22a serial or parallel connection, in this, be example with the parallel connection.These solar modules 2a can be identical materials or shape or material or difformity inequality.
Please refer to shown in Fig. 5 D, it is the supporting assembly 25a of solar module 2a of Fig. 5 C and the schematic side view of solar module 22a.In this, the two ends of the upper surface A of each solar module 22a are the N utmost point, and its lower surface B is the P utmost point.Supporting assembly 25a is an example with a stainless steel substrates, and has a conductive layer C near the surface of solar module 22a, and conductive layer C contacts with the lower surface B of solar module 22a, and conductive layer C can be any electric conducting material, for example Copper Foil, silver etc.
These solar modules 22a is example with the parallel connection, wherein the N utmost point of these solar modules 22a electrically connects mutually by lead 24, and one of them solar module 22a is (in this, with leftmost solar module 22a among Fig. 5 D is example) electrically connect by lead 24 and the lip-deep electrode 221 that is arranged at supporting assembly 25a back to solar module 22a, and this electrode 221 then with Fig. 5 A in electric connection part 23 electrically connect.In this, lead 24 passes the perforation H of supporting assembly 25a and electrically connects with electrode 221.In addition, lead 24 also can be walked around the edge of supporting assembly 25a and electrically connect with the electrode 221 of lower surface.Under this situation, the part edge of supporting assembly 25a can have a groove to allow lead 24 pass through.In addition, the P utmost point of these solar modules 22a (being positioned at the lower surface of solar module 22a) then electrically connects with conductive layer C, and is electrically connected to another contiguous electric connection part 23 by another electrode 221 (the right electrode 221 of Fig. 4 D).Be noted that the conductive layer C on the supporting assembly 25a must insulate with the N utmost point of solar module 22a, to avoid short circuit.
Fig. 5 E shows the aspect of solar module 22a for series connection.Wherein, the surface of the close solar module 22a of supporting assembly 25a is provided with insulating barrier I.These solar modules 22a electrically connects the adjacent N utmost point (being positioned at upper surface A) and the P utmost point (being positioned at lower surface B) by lead 24.One of them solar module 22a (in this with Fig. 5 E in leftmost solar module 22a be example) the P utmost point electrically connect by lead 24 and contiguous electrode 221; Another kind of mode, the P utmost point of leftmost solar module 22a also can electrically connect with electrode 221 by being arranged at the circuit on the insulating barrier I among Fig. 5 E.Another solar module 22a (in this with Fig. 5 E in rightmost solar module 22a be example) the N utmost point then electrically connect by lead 24 and contiguous electrode 221.
Above-mentioned supporting assembly 25,25a can be one and squeezes the type assembly, and its material for example is a metal or alloy, and can utilize the type of squeezing to handle and moulding.Wherein, supporting assembly 25,25a can for example be stainless steel substrates, to have good weatherability, are difficult for being subjected to climatic effect and deterioration.When the material of supporting assembly 25,25a comprised metal or alloy, supporting assembly 25,25a can form the optical texture of reflection, light is reflexed to solar module 22.Shown in Fig. 5 F, supporting assembly 25 can have an optical texture 251, and it can reflex to solar module 22 with the light that enters in the body 21, to improve opto-electronic conversion usefulness.In addition, optical texture 251 can be constituted or only be had a reflector on its surface and comes reflection ray by reflecting material.Certainly, optical texture 251 can have other optical performance, for example can utilize Fresnel (Fresnel) lines, lens or water chestnut mirror to come optically focused.
Shown in Fig. 5 A and Fig. 5 B, the material of supporting assembly 25 also can be glass or plastics, and can be to the small part printing opacity, to allow light be passed through by the back side.In this, body 21 can also comprise an anti-reflecting layer and a reflector, be arranged at the outer surface of body 21 respectively, can make more light penetration bodys 21 and absorb by this anti-reflecting layer, and can allow the light that passes supporting assembly 25 return solar module 22 by this reflector by solar module 22.
In the present embodiment, supporting assembly 25 also can be a circuit board or a resinousness substrate.In this, supporting assembly 25 is an example with the circuit board, and is arranged on the supporting assembly 25 with electrically connecting the electrode 221 that part 23 electrically connects, and by lead 24 with electrically connect part 23 and electrically connect.Certainly, electrically connect part 23 and also can electrically connect by alternate manner and electrode 221, for example be welded in electrode 221 or be connected in supporting assembly 25 and with electrode 221 electric connections.In addition, electrode 221 also can be arranged on the solar module 22.
Please refer to shown in Figure 6ly, solar module 2 also can comprise a concentrating component 26, its can be placed in the body 21 be arranged at the inwall of body 21 or be arranged at body 21 outer wall or should be one-body molded with body 21.In this, concentrating component 26 is an example with the inwall that is arranged at body 21.Concentrating component 26 can be penetration or reflective, is example with the penetration at this.Concentrating component 26 can comprise a Fresnel (Fresnel) structure or at least one lens (lens) or an a plurality of prism (prism) or a reflecting surface mirror (reflector), at this is example with the Fresnel structure, can be the straight line Fresnel structure, and extraneous light is gathered in solar module 22.The solar module 22 of present embodiment is a light-concentrating solar cell components.
Fig. 7 shows another aspect of solar module 2.As shown in Figure 7, concentrating component 26b and the body 21b of solar module 2b are one-body molded, can by for example once or twice ejaculating forming make.
Please refer to shown in Figure 8ly, solar module 2 also can comprise a fluid 28, and it is placed in the body 21, and fluid 28 can strengthen heat dissipation.Wherein, fluid 28 can be liquid, if liquid refractive index, can reduce the light reflection near the refractive index of body 21, and promotes opto-electronic conversion usefulness.Fluid 28 also can be gas, for example nitrogen or inert gas.In addition, if fluid 28 is a liquid, can comprise for example highly heat-conductive material, for example silicone oil, glycerine or trimethylbenzene (solvent).Certainly, fluid 28 can consider that also numerical value such as insulating properties, corrosivity, solidifying point or thermal coefficient of expansion select according to actual conditions.
The 3rd embodiment
Fig. 9 is the application schematic diagram of a kind of solar module 3 of third embodiment of the invention.A plurality of solar modules 3 are provided with at interval side by side, and each solar module 3 comprises that a body 31, a solar module 32, two electrically connect a part 33 and a supporting assembly 35.Wherein, electrically connecting part 33 electrically connects by two electrodes 321 of two leads 34 with solar module 32.Because solar module 3 can be used the technical characterictic of the solar module of above-mentioned all embodiment, so do not repeat them here.
Below solar module 3 plant cultivating is arranged, the solar module 3 of present embodiment not only can absorb light and generate electricity, and can supply plant culture by the light between the solar module 3, makes the present invention have industrial applicability.
In addition, the two ends of each solar module 3 are connected with a driver element 4 respectively, and at this, driver element 4 only illustrates two cross bars and is signal, and driver element 4 can further comprise gear or motor or belt or other actuating assembly certainly.By the driving of driver element 4, can make solar module 3 together rotate solar tracking along with moving of the sun.And because body 31 is the cause of elongated, the present invention only needs the single shaft solar tracking and then reduces the complexity of solar tracking, and reduces cost.
In sum, solar module of the present invention, in multiple authentication, the iron content that obtains when body is x ppm, pipe thickness is y mm, and the relation of pipe thickness and iron content satisfies x*y≤1000 o'clock, and extraneous light can pass body effectively, be beneficial to solar module and receive light, make photoelectric conversion efficiency effectively to promote.In addition, satisfy above-mentioned relation by control valve wall thickness and iron content, effective control material cost can not cause cost significantly to increase because of pursuing light wall pipe wall and low iron content simply yet.
The above is an illustrative only, and is not for restricted.Anyly do not break away from spirit of the present invention and category, and, all should be included in the claim institute restricted portion its equivalent modifications of carrying out or change.

Claims (10)

1. solar module comprises:
One body, this body are to the small part printing opacity, and the iron content of this body is x ppm, and the pipe thickness of this body is y mm, and wherein the relational expression of x and y satisfies x*y≤1000; And
One solar module, this solar module is arranged in the described body, and has a light plane.
2. solar module as claimed in claim 1, wherein, described solar module is an elongated.
3. solar module as claimed in claim 1, wherein, the relational expression of x and y satisfies x*y≤800.
4. solar module as claimed in claim 1, wherein, the relational expression of x and y satisfies x*y≤500.
5. solar module as claimed in claim 1, wherein, the material of described body is a tempered glass.
6. solar module as claimed in claim 1 also comprises:
Two electrically connect part, and these two electrically connect the both ends or one end that part is arranged at described body, and electrically connect with described solar module.
7. solar module as claimed in claim 1, wherein, the two ends of described body are sealing.
8. solar module as claimed in claim 1 also comprises:
One concentrating component, this concentrating component are placed in the described body or are arranged at the inwall of described body or are arranged at the outer wall of described body or one-body molded with described body.
9. solar module as claimed in claim 1 also comprises:
One supporting assembly, this supporting assembly are arranged in the described body, and described solar module is arranged at described supporting assembly.
10. solar module as claimed in claim 1 also comprises:
Another solar module, this another solar module is arranged in the described body, and with described solar module serial or parallel connection.
CN2010101826684A 2010-05-21 2010-05-21 Solar cell module Pending CN102254973A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010101826684A CN102254973A (en) 2010-05-21 2010-05-21 Solar cell module

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Application Number Priority Date Filing Date Title
CN2010101826684A CN102254973A (en) 2010-05-21 2010-05-21 Solar cell module

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CN102254973A true CN102254973A (en) 2011-11-23

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1976063A (en) * 2006-12-19 2007-06-06 王宏春 Nano crystal silicon metal foil film solar cell and producing method thereof
CN101041554A (en) * 2006-03-24 2007-09-26 河南裕华高白玻璃有限公司 Manufacturing method of solar battery packaging glass and kiln furnace used for manufacture
CN101284710A (en) * 2007-04-13 2008-10-15 河南裕华高白玻璃有限公司 Method for manufacturing packaging glass of solar cell and special-purpose equipment thereof
US20080308146A1 (en) * 2007-06-14 2008-12-18 Guardian Industries Corp. Front electrode including pyrolytic transparent conductive coating on textured glass substrate for use in photovoltaic device and method of making same
US7482295B2 (en) * 2002-01-28 2009-01-27 Guardian Industries Corp. Clear glass composition with high visible transmittance
US20090242020A1 (en) * 2008-04-01 2009-10-01 Seung-Yeop Myong Thin-film photovoltaic cell, thin-film photovoltaic module and method of manufacturing thin-film photovoltaic cell
CN101667603A (en) * 2008-09-03 2010-03-10 宇威光电股份有限公司 Solar battery module

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7482295B2 (en) * 2002-01-28 2009-01-27 Guardian Industries Corp. Clear glass composition with high visible transmittance
CN101041554A (en) * 2006-03-24 2007-09-26 河南裕华高白玻璃有限公司 Manufacturing method of solar battery packaging glass and kiln furnace used for manufacture
CN1976063A (en) * 2006-12-19 2007-06-06 王宏春 Nano crystal silicon metal foil film solar cell and producing method thereof
CN101284710A (en) * 2007-04-13 2008-10-15 河南裕华高白玻璃有限公司 Method for manufacturing packaging glass of solar cell and special-purpose equipment thereof
US20080308146A1 (en) * 2007-06-14 2008-12-18 Guardian Industries Corp. Front electrode including pyrolytic transparent conductive coating on textured glass substrate for use in photovoltaic device and method of making same
US20090242020A1 (en) * 2008-04-01 2009-10-01 Seung-Yeop Myong Thin-film photovoltaic cell, thin-film photovoltaic module and method of manufacturing thin-film photovoltaic cell
CN101667603A (en) * 2008-09-03 2010-03-10 宇威光电股份有限公司 Solar battery module

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Application publication date: 20111123