CN102446995A - Hybrid solar battery module and manufacturing method thereof - Google Patents
Hybrid solar battery module and manufacturing method thereof Download PDFInfo
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- CN102446995A CN102446995A CN2011104136242A CN201110413624A CN102446995A CN 102446995 A CN102446995 A CN 102446995A CN 2011104136242 A CN2011104136242 A CN 2011104136242A CN 201110413624 A CN201110413624 A CN 201110413624A CN 102446995 A CN102446995 A CN 102446995A
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- solar cell
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- amorphous silicon
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention belongs to the technical field of solar batteries and particularly discloses a hybrid solar battery module and a manufacturing method thereof. The hybrid solar battery module comprises a transparent front cover plate, an amorphous silicon solar battery deposited on the transparent front cover plate, a first adhesive layer, a polycrystalline silicon/or monocrystalline silicon solar battery layer, a second adhesive layer and a back plate which are stacked in sequence. The hybrid solar battery module can integrate better weak light response of the amorphous silicon solar battery and high efficiency and more stable performance of the polycrystalline silicon/or monocrystalline silicon solar battery. The hybrid solar battery module has the beneficial effects that the efficiency and the weak light performance of the whole battery are effectively improved, the practicability is strong, and the manufacturing cost is low.
Description
Technical field
The invention belongs to technical field of solar cells, particularly a kind of mixing solar module and preparation method thereof.
Background technology
Since solar cell invention in 1954; Development and production-scale expansion along with technology; The cost of photovoltaic generation declines to a great extent, and has obtained widely using, but itself and conventional energy resource; Like water power, thermoelectricity etc. certain distance is arranged still, and the efficient of raising solar module is the most effectively to reduce the method for photovoltaic generation cost.
In the prior art; The energy gap of amorphous silicon is about 1.7eV, and is direct band gap, and its photoelectric respone at shortwave is better than crystalline silicon; Therefore amorphous silicon solar cell has better low light level response than crystal-silicon solar cell, overcast and rainy higher generating efficiency is arranged still.Crystalline silicon is an indirect gap semiconductor, and its energy gap is 1.14eV, and with respect to amorphous silicon solar cell, crystal-silicon solar cell has higher efficient and more stable performance.For efficient and the low light level performance that improves entire cell, develop a kind of can the mixing solar module that amorphous silicon solar cell and crystal silicon solar battery make up is extremely urgent.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; A kind of mixing solar module is provided; It can integrate amorphous silicon solar cell efficient that the low light level responds and crystal-silicon solar cell is higher preferably and more stable performance; This mixing solar module effectively improves the efficient and the low light level performance of entire cell, and practical, cost of manufacture is low.
In order to reach above-mentioned technical purpose, the present invention realizes by following technical scheme:
A kind of mixing solar module of the present invention, comprise the printing opacity front shroud that is cascading, be deposited on amorphous silicon solar cell on the printing opacity front shroud, first glue layer, polycrystalline/or monocrystalline solar cell layer, second glue layer and backboard.
Further improvement as above-mentioned technology; Said printing opacity front shroud is a nature of glass printing opacity front shroud; Said amorphous silicon solar cell is a substrate with nature of glass printing opacity front shroud, begins to comprise successively first nesa coating, pin type amorphous silicon layer, second nesa coating and metal grid lines from the glass of front shroud.
As the further improvement of above-mentioned technology, the thickness of said amorphous silicon solar cell is 10～1000nm.
The invention also discloses the manufacture method of above-mentioned mixing solar module, its concrete steps are:
(1) preparation pin type amorphous silicon solar cell: the glass depositing on the high transparent glass matter front shroud of nesa coating prepares pin type amorphous silicon solar cell, and is divided into the baby battery of suitable quantity and connects and parallel connection according to the voltage and current of required component;
(2) connection in series-parallel of monocrystalline silicon or polycrystalline silicon solar cell: monocrystalline silicon or polycrystalline silicon solar cell are got up according to certain electric current and voltage connection in series-parallel;
(3) range upon range of: according to the sequential cascade of the nature of glass printing opacity front shroud, first glue layer, monocrystalline silicon or the polycrystalline silicon solar cell that deposit amorphous silicon positive electricity pond, second glue layer, backboard;
(4) gummed: nature of glass printing opacity front shroud, monocrystalline silicon or polycrystalline silicon solar cell, backboard is glued together closely;
(5) deburring and encapsulation: mixing solar module glued together is carried out deburring, as required amorphous silicon solar cell and crystal-silicon solar cell are together in series or parallel and install terminal box additional, encapsulate as required then.
In the above-mentioned steps (5), the metal grid lines of the metal grid lines of said amorphous silicon solar cell when encapsulation and monocrystalline silicon or polycrystalline silicon solar cell is overlapping.
Compared with prior art, the invention has the beneficial effects as follows:
(1) in the mixing sun assembly according to the invention; The amorphous silicon solar cell that is positioned at the front can fully absorb the sunlight of short-wave band; And be positioned at the monocrystalline silicon of back or the sunlight that polycrystalline silicon solar cell can fully absorb long-wave band, therefore guarantee that assembly has higher generating efficiency;
(2) among the present invention, because the good low light level performance of amorphous silicon solar cell, therefore under low light level situation, this assembly can provide than conventional crystal silicon solar cell assembly more electric energy is provided;
(3) among the present invention, the nesa coating in the amorphous silicon solar cell can reflect away the infrared light of part, thereby reduces the assembly temperature under the strong sunlight, makes assembly have better temperature coefficient than traditional components.
(4) mixing sun assembly according to the invention, the advantage of integrated amorphous/crystal silicon heterojunction solar battery assembly, but demand side is not to the interfacial state problem of amorphous/crystalline silicon, and with respect to existing HIT battery, technical difficulty and cost reduce significantly.
Description of drawings
Below in conjunction with accompanying drawing and specific embodiment the present invention is done detailed explanation:
Fig. 1 is a mixing solar cell assembly construction sketch map of the present invention.
Embodiment
Embodiment one:
As shown in Figure 1; The present invention is a kind of mixing solar module; Comprise high transparent glass matter printing opacity front shroud 1; Deposit amorphous silicon solar cell 2 on the glass of said nature of glass printing opacity front shroud 1, monocrystalline silicon or polycrystalline silicon solar cell 4, backboard 6 and first cementing layer 3 and second cementing layer 5 that are used to glue together.
Said amorphous silicon solar cell is a substrate with nature of glass printing opacity front shroud 1, begins to comprise successively first nesa coating, pin type amorphous silicon layer, second nesa coating and metal grid lines from the glass of printing opacity front shroud 1.
The thickness of said amorphous silicon solar cell is 10～1000nm.
The invention also discloses the manufacture method of above-mentioned mixing solar module, its concrete steps are:
(1) amorphous silicon solar cell 2 of preparation pin type: the glass at the high transparent glass matter front shroud 1 that deposits nesa coating prepares pin type amorphous silicon solar cell 2; And be divided into the baby battery of suitable quantity with laser according to the voltage and current of required component; And carry out connection in series-parallel, obtain the amorphous silicon film solar battery of predetermined voltage.
(2) connection in series-parallel of monocrystalline silicon or polycrystalline silicon solar cell 4: monocrystalline silicon or polycrystalline silicon solar cell 4 are got up according to certain electric current and voltage connection in series-parallel; Make voltage being complementary of monocrystalline silicon or polycrystalline silicon solar cell 4 strings with amorphous silicon solar cell 2.
(3) range upon range of: according to the sequential cascade of the nature of glass printing opacity front shroud that deposits amorphous silicon positive electricity pond 21, first glue layer 3, monocrystalline silicon or polycrystalline silicon solar cell 4, second glue layer 5, backboard 6, said first glue layer 3 and second glue layer 5 are the EVA film;
(4) gummed: nature of glass printing opacity front shroud 1, monocrystalline silicon or polycrystalline silicon solar cell 2, backboard 5 is glued together closely;
(5) deburring and framing up: mixing solar module glued together is carried out deburring, as required amorphous silicon solar cell 2 and monocrystalline silicon or polycrystalline silicon solar cell 4 are together in series or parallel and install terminal box additional, install the aluminium frame then as required additional.
In the above-mentioned steps (5), in the metal grid lines of said amorphous silicon solar cell 2 when encapsulation, is overlapping basically with the metal grid lines of monocrystalline silicon or polycrystalline silicon solar cell 4, blocks with the metal grid lines of minimizing amorphous silicon solar cell 2 light to monocrystalline or polycrystalline solar cell 4.
In addition, the thickness of the amorphous silicon solar cell 4 at place, the slit of monocrystalline silicon or polycrystalline silicon solar cell is thicker after encapsulation, can absorb more sunlight.
Embodiment two:
Present embodiment and embodiment one and two are basic identical, and difference is: said first glue layer 3 and second glue layer 5 are silica gel, therefore need not get into laminating machine and can carry out lamination to accomplish the encapsulation of setting up.
The present invention is not limited to above-mentioned execution mode; If various changes of the present invention or modification are not broken away from the spirit and scope of the present invention; If these are changed and modification belongs within claim of the present invention and the equivalent technologies scope, then the present invention also comprises these changes and modification.
Claims (5)
1. mixing solar module is characterized in that: comprise the printing opacity front shroud that is cascading, be deposited on amorphous silicon solar cell, first glue layer, polysilicon or single crystal silicon solar cell layer, second glue layer and backboard on the printing opacity front shroud.
2. mixing solar module according to claim 1; It is characterized in that: said printing opacity front shroud is a nature of glass printing opacity front shroud; Said amorphous silicon solar cell is a substrate with glass printing opacity front shroud, begins to comprise successively first nesa coating, pin type amorphous silicon layer, second nesa coating and metal grid lines from the glass of printing opacity front shroud.
3. mixing solar module according to claim 2 is characterized in that: the thickness of said amorphous silicon solar cell is 10～1000nm.
4. mixing solar module according to claim 2 is characterized in that: said first glue layer and second glue layer all adopt EVA film or silica gel as adhesive.
5. the manufacture method part of mixing solar module according to claim 1, its concrete steps are:
(1) preparation pin type amorphous silicon solar cell: the glass at the nature of glass printing opacity front shroud that deposits nesa coating prepares pin type amorphous silicon solar cell, and is divided into the baby battery of suitable quantity and connects and parallel connection according to the voltage and current of required component;
(2) connection in series-parallel of monocrystalline silicon or polycrystalline silicon solar cell: monocrystalline silicon or polycrystalline silicon solar cell are got up according to certain electric current and voltage connection in series-parallel;
(3) range upon range of: according to the sequential cascade of the nature of glass printing opacity front shroud, first glue layer, monocrystalline silicon or the polycrystalline silicon solar cell that deposit amorphous silicon positive electricity pond, second glue layer, backboard;
(4) gummed: nature of glass printing opacity front shroud, monocrystalline silicon or polycrystalline silicon solar cell, backboard is glued together closely;
(5) deburring and framing up: mixing solar module glued together is carried out deburring, as required amorphous silicon solar cell and crystal-silicon solar cell are together in series or parallel and install terminal box additional, install the aluminium frame then as required additional.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104136242A CN102446995A (en) | 2011-12-09 | 2011-12-09 | Hybrid solar battery module and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104136242A CN102446995A (en) | 2011-12-09 | 2011-12-09 | Hybrid solar battery module and manufacturing method thereof |
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| CN102446995A true CN102446995A (en) | 2012-05-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956724A (en) * | 2012-11-27 | 2013-03-06 | 宁波贝达新能源科技有限公司 | Monocrystalline solar cell |
| CN103579386A (en) * | 2012-07-18 | 2014-02-12 | 沙嫣 | Novel solar cell panel and production method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050793A (en) * | 1989-09-08 | 1991-04-17 | 索拉雷斯公司 | Full wafer series connection and photoelectric subassembly in parallel |
| CN1450664A (en) * | 2003-05-15 | 2003-10-22 | 武汉日新科技有限公司 | Composite solar energy accumulator set |
| WO2010032713A1 (en) * | 2008-09-22 | 2010-03-25 | シャープ株式会社 | Integrated thin film solar cell and manufacturing method therefor |
| CN101807618A (en) * | 2010-04-03 | 2010-08-18 | 威海中玻光电有限公司 | Novel laminated film solar cell and manufacturing method thereof |
-
2011
- 2011-12-09 CN CN2011104136242A patent/CN102446995A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1050793A (en) * | 1989-09-08 | 1991-04-17 | 索拉雷斯公司 | Full wafer series connection and photoelectric subassembly in parallel |
| CN1450664A (en) * | 2003-05-15 | 2003-10-22 | 武汉日新科技有限公司 | Composite solar energy accumulator set |
| WO2010032713A1 (en) * | 2008-09-22 | 2010-03-25 | シャープ株式会社 | Integrated thin film solar cell and manufacturing method therefor |
| CN101807618A (en) * | 2010-04-03 | 2010-08-18 | 威海中玻光电有限公司 | Novel laminated film solar cell and manufacturing method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103579386A (en) * | 2012-07-18 | 2014-02-12 | 沙嫣 | Novel solar cell panel and production method thereof |
| CN103579386B (en) * | 2012-07-18 | 2016-05-11 | 沙嫣 | A kind of solar panel and production method thereof |
| CN102956724A (en) * | 2012-11-27 | 2013-03-06 | 宁波贝达新能源科技有限公司 | Monocrystalline solar cell |
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Application publication date: 20120509 |