CN202076290U - Novel solar cell component - Google Patents

Novel solar cell component Download PDF

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Publication number
CN202076290U
CN202076290U CN 201120166713 CN201120166713U CN202076290U CN 202076290 U CN202076290 U CN 202076290U CN 201120166713 CN201120166713 CN 201120166713 CN 201120166713 U CN201120166713 U CN 201120166713U CN 202076290 U CN202076290 U CN 202076290U
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CN
China
Prior art keywords
solar battery
sided welding
battery sheet
assembly according
battery assembly
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Expired - Lifetime
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CN 201120166713
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Chinese (zh)
Inventor
薛婷
龙晓宏
赵建军
印鹏
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HONGDA ZHONGYUAN SOLAR ENERGY CO Ltd
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HONGDA ZHONGYUAN SOLAR ENERGY CO Ltd
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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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Abstract

The utility model discloses a novel solar cell component, which structurally comprises a protection framework (1), a transparent protection plate (2), an anti-ultraviolet aging layer (3), a support back plate (4) and at least two single-sided welded solar cells (5) which are sequentially connected in series, wherein the anti-ultraviolet aging layer (3) is covered on the surface of the single-sided welded solar cells (5); the transparent protection plate (2) is arranged on the upper surface of the single-sided welded solar cells (5) covered with the anti-ultraviolet aging layer (3); the support back plate (4) is arranged on the lower surface of the single-sided welded solar cells (5) covered with the anti-ultraviolet aging layer (3); and the transparent protection plate (2), the single-sided welded solar cells (5) covered with the anti-ultraviolet aging layer (3) and the support back plate (4) are sequentially embedded on the protection framework (1) from top to bottom. By implementing the embodiment of the utility model, the manufacturing cost of the solar cell component is reduced and the utilization rate of solar energy is improved.

Description

A kind of novel solar battery assembly
Technical field
The utility model relates to technical field of solar, relates in particular to a kind of novel solar battery assembly.
Background technology
Along with the continuous enhancing of people's environmental consciousness, clean non-harmful solar energy and more and more be subjected to popular attracting attention.More and more countries begins to utilize solar power system that conversion of solar energy is electric energy, for use.
Solar module is also referred to as solar panel, is the core component of solar power system, also is to be worth the highest part in the solar power system; Its effect is to be electric energy with conversion of solar energy, and is sent in the storage battery and stores, or promotes loaded work piece.The quality of solar module and cost have directly determined the quality and the cost of whole solar power system.But all the time, the cost of manufacture of solar module is very high, and also very low to solar energy utilization rate, and therefore, its this large tracts of land that has directly limited solar power system is promoted.
Summary of the invention
The purpose of this utility model provides a kind of novel solar battery assembly, so that reduce manufacturing cost, and improve solar energy utilization rate.
The purpose of this utility model is achieved through the following technical solutions:
A kind of novel solar battery assembly comprises: protection framework 1, transparent prevention plate 2, anti-ultraviolet ageing layer 3, supporting back board 4 and at least two single-sided welding solar battery sheets 5 of connecting successively;
The surface coverage of described single-sided welding solar battery sheet 5 has anti-ultraviolet ageing layer 3;
Transparent prevention plate 2 is located at the upper surface of the single-sided welding solar battery sheet 5 that is coated with anti-ultraviolet ageing layer 3;
Supporting back board 4 is located at the lower surface of the single-sided welding solar battery sheet 5 that is coated with anti-ultraviolet ageing layer 3;
Transparent prevention plate 2, the single-sided welding solar battery sheet 5 that is coated with anti-ultraviolet ageing layer 3 and supporting back board 4 from top to bottom are embedded in the protection framework 1 successively.
Preferably, the lower surface of single-sided welding solar battery sheet 5 is provided with P lateral electrode and N lateral electrode simultaneously;
The N lateral electrode of every single-sided welding solar battery sheet 5 all is connected with the P lateral electrode of following a slice single-sided welding solar battery sheet 5, thereby constitutes a series-connected solar cells group.
Preferably, corresponding single-sided welding solar battery sheet 5 is monocrystaline silicon solar cell sheet or polysilicon solar battery slice.
Preferably, the material of corresponding protection framework 1 is an aluminium alloy.
Preferably, corresponding transparent prevention plate 2 is a ultra-clear glasses.
Preferably, anti-accordingly ultraviolet ageing layer 3 is ethylene-vinyl acetate copolymer EVA or silica gel.
Preferably, corresponding supporting back board 4 is provided with radiated rib.
Preferably, the material of corresponding supporting back board 4 is polyvinyl fluoride composite membrane TPT or polyphthalamide resin PPA.
The technical scheme that is provided by above-mentioned the utility model as can be seen, the novel solar battery assembly that the utility model embodiment provides has mainly adopted single-sided welding solar battery sheet 5, therefore avoided welding in the solar battery sheet front, receive the area that sunlight can shine so increased, and reduced solar battery sheet welding job amount, thereby reduce the cost of solar power system, promote solar energy utilization rate; Simultaneously, the surface coverage of this single-sided welding solar battery sheet 5 has anti-ultraviolet ageing layer 3, and be embedded on the protection framework 1 as the interlayer between transparent prevention plate 2 and the supporting back board 4, therefore can effectively prevent to be subjected to ultraviolet irradiation and wear out, and avoid being subjected to the collision of foreign object and damage; Reach and prolong the solar module purpose in useful life.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain other accompanying drawings according to these accompanying drawings.
The structural representation of the novel solar battery assembly that Fig. 1 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on embodiment of the present utility model, those of ordinary skills belong to protection range of the present utility model not making the every other embodiment that is obtained under the creative work prerequisite.
Below in conjunction with accompanying drawing the utility model embodiment is described in further detail.
As shown in Figure 1, a kind of novel solar battery assembly, its specific implementation structure can comprise: protection framework 1, transparent prevention plate 2, anti-ultraviolet ageing layer 3, supporting back board 4 and at least two single-sided welding solar battery sheets 5 of connecting successively;
The surface coverage of described single-sided welding solar battery sheet 5 has anti-ultraviolet ageing layer 3; Transparent prevention plate 2 is located at the upper surface of the single-sided welding solar battery sheet 5 that is coated with anti-ultraviolet ageing layer 3; Supporting back board 4 is located at the lower surface of the single-sided welding solar battery sheet 5 that is coated with anti-ultraviolet ageing layer 3; Transparent prevention plate 2, the single-sided welding solar battery sheet 5 that is coated with anti-ultraviolet ageing layer 3 and supporting back board 4 from top to bottom are embedded in the protection framework 1 successively.
Particularly, the preferred embodiment of each building block of the novel solar battery assembly that provided of the utility model embodiment can comprise following at least one:
(1) protection framework 1: the material of this protection framework 1 is preferably aluminium alloy, connects stable, sturdy and durable with the integral body that guarantees multi-disc solar battery sheet 5.
(2) transparent prevention plate 2: this transparent prevention plate 2 is preferably ultra-clear glasses (described ultra-clear glasses is meant that light transmittance of the prior art is greater than 91.5% super transparent low iron glass); This ultra-clear glasses can maximum magnitude, absorb the radiations heat energy of solar energy to greatest extent, improves the photoelectric conversion efficiency of solar cell greatly; Simultaneously; the radiation of its ability solar ultraviolet light; light transmittance does not descend; can prolong the useful life of cover-plate glass so more effectively; alkaline-resisting ability under various environment, anti-mouldy ability and ageing resistace all strengthen a lot than simple glass; thereby strengthened self intensity of solar module, the solar battery sheet 5 below the protection is not subjected to extraneous damage and durable in use.
(3) anti-ultraviolet ageing layer 3: the material of this anti-ultraviolet ageing layer 3 is preferably EVA (PPA is the abbreviation of Ethylene-Vinyl Acetate, is translated into ethylene-vinyl acetate copolymer) or silica gel; These materials not only suppleness are higher, and have anti-ultraviolet ageing ability, therefore should can resist certain external impacts by anti-ultraviolet ageing layer 3, and protect solar battery sheet 5 not to be subjected to foreign object corrosion or ultraviolet ray infringement, thereby increase the service life.
(4) supporting back board 4: this supporting back board 4 is provided with radiated rib, has therefore promoted the heat-sinking capability of solar module integral body, has prolonged useful life; Simultaneously, the material of this supporting back board 4 is that (TPT is the abbreviation of Tedlar PET Tedlar to TPT, be translated into the polyvinyl fluoride composite membrane) or PPA (PPA is the abbreviation of Polyphthalamide, be translated into polyphthalamide resin), because corrosion-resistant, the anti-ultraviolet of these materials, mechanical property are good, thermally-stabilised, so this supporting back board 4 can have efficiency to prevent that solar battery sheet 5 is subjected to foreign object corrosion or ultraviolet ray infringement.
(5) the single-sided welding solar battery sheet 5: the lower surface of this single-sided welding solar battery sheet 5 is provided with P lateral electrode and N lateral electrode simultaneously; The N lateral electrode of every single-sided welding solar battery sheet 5 all is connected with the P lateral electrode of following a slice single-sided welding solar battery sheet 5, thereby constitutes a series-connected solar cells group.This single-sided welding solar battery sheet 5 is preferably monocrystaline silicon solar cell sheet of the prior art or polysilicon solar battery slice.
Wherein, the specific implementation structure of corresponding single-sided welding solar battery sheet 5 can comprise: P type silicon chip, N type spread silicon area, antireflective film, the P side prints electrode and the N side prints electrode; If a side who exposes to sunlight with solar battery sheet is as the top, then: the upper surface of P type silicon chip and side surface are coated with the N type and spread silicon area; The lower surface of P type silicon chip is provided with the P side and prints electrode, and this P side prints electrode and N type diffusion silicon area between be provided with the slit; That is to say that this P side prints electrode and do not contact with N type diffusion silicon area; Upper surface, side surface and the lower surface of N type diffusion silicon area are provided with the N side and print electrode, and are provided with the slit between this N side prints electrode and P type silicon chip and P side print electrode; That is to say that this N side prints electrode or not with P type silicon chip and P side and contacts; Spread silicon area and between the N side above the P type silicon chip prints electrode, be provided with antireflective film in the N type above the P type silicon chip.
Need to prove, the novel solar battery assembly that the utility model embodiment is provided is the production efficiency height not only, and recruitment economizes, saves installing space, for example: according to statistics, the spacing minimum of the solar battery sheet of existing battery component is 4mm, and the novel solar battery assembly that the utility model embodiment is provided, the spacing of its solar battery sheet can be less than 1mm; Therefore, very be suitable for large-scale production.
As seen, the realization of the utility model embodiment has reduced the manufacturing cost of solar module, has improved solar energy utilization rate.
The above; it only is the preferable embodiment of the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claims.

Claims (8)

1. a novel solar battery assembly is characterized in that, comprising: protection framework (1), transparent prevention plate (2), anti-ultraviolet ageing layer (3), supporting back board (4) and at least two single-sided welding solar battery sheets (5) of connecting successively;
The surface coverage of described single-sided welding solar battery sheet (5) has anti-ultraviolet ageing layer (3);
Transparent prevention plate (2) is located at the upper surface of the single-sided welding solar battery sheet (5) that is coated with anti-ultraviolet ageing layer (3);
Supporting back board (4) is located at the lower surface of the single-sided welding solar battery sheet (5) that is coated with anti-ultraviolet ageing layer (3);
Transparent prevention plate (2), the single-sided welding solar battery sheet (5) that is coated with anti-ultraviolet ageing layer (3) and supporting back board (4) from top to bottom are embedded in the protection framework (1) successively.
2. novel solar battery assembly according to claim 1 is characterized in that, the lower surface of single-sided welding solar battery sheet (5) is provided with P lateral electrode and N lateral electrode simultaneously;
The N lateral electrode of every single-sided welding solar battery sheet (5) all is connected with the P lateral electrode of following a slice single-sided welding solar battery sheet (5), thereby constitutes a series-connected solar cells group.
3. novel solar battery assembly according to claim 1 and 2 is characterized in that, described single-sided welding solar battery sheet (5) is monocrystaline silicon solar cell sheet or polysilicon solar battery slice.
4. novel solar battery assembly according to claim 1 and 2 is characterized in that, the material of described protection framework (1) is an aluminium alloy.
5. novel solar battery assembly according to claim 1 and 2 is characterized in that, described transparent prevention plate (2) is a ultra-clear glasses.
6. novel solar battery assembly according to claim 1 and 2 is characterized in that, described anti-ultraviolet ageing layer (3) is ethylene-vinyl acetate copolymer EVA or silica gel.
7. novel solar battery assembly according to claim 1 and 2 is characterized in that, described supporting back board (4) is provided with radiated rib.
8. novel solar battery assembly according to claim 1 and 2 is characterized in that, the material of described supporting back board (4) is polyvinyl fluoride composite membrane TPT or polyphthalamide resin PPA.
CN 201120166713 2011-05-23 2011-05-23 Novel solar cell component Expired - Lifetime CN202076290U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120166713 CN202076290U (en) 2011-05-23 2011-05-23 Novel solar cell component

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Application Number Priority Date Filing Date Title
CN 201120166713 CN202076290U (en) 2011-05-23 2011-05-23 Novel solar cell component

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102664203A (en) * 2012-05-09 2012-09-12 友达光电股份有限公司 Solar module
CN107612485A (en) * 2017-10-19 2018-01-19 镇江市鑫汉太阳能电力有限公司 A kind of multicoat silicon crystal cell

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102664203A (en) * 2012-05-09 2012-09-12 友达光电股份有限公司 Solar module
WO2013166734A1 (en) * 2012-05-09 2013-11-14 友达光电股份有限公司 Solar module
CN102664203B (en) * 2012-05-09 2015-09-16 友达光电股份有限公司 Solar energy module
CN107612485A (en) * 2017-10-19 2018-01-19 镇江市鑫汉太阳能电力有限公司 A kind of multicoat silicon crystal cell

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