CN102254977A - Double-sided battery pack - Google Patents
Double-sided battery pack Download PDFInfo
- Publication number
- CN102254977A CN102254977A CN 201110229498 CN201110229498A CN102254977A CN 102254977 A CN102254977 A CN 102254977A CN 201110229498 CN201110229498 CN 201110229498 CN 201110229498 A CN201110229498 A CN 201110229498A CN 102254977 A CN102254977 A CN 102254977A
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- China
- Prior art keywords
- sided
- double
- assembly
- row
- battery pack
- 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.)
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- 239000011521 glass Substances 0.000 claims abstract description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 5
- 239000003292 glue Substances 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 5
- 238000003491 array Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000005341 toughened glass Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 abstract description 4
- 239000004566 building material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000005622 photoelectricity Effects 0.000 abstract description 3
- SBXWFLISHPUINY-UHFFFAOYSA-N triphenyltin Chemical compound C1=CC=CC=C1[Sn](C=1C=CC=CC=1)C1=CC=CC=C1 SBXWFLISHPUINY-UHFFFAOYSA-N 0.000 abstract 4
- 239000005977 Ethylene Substances 0.000 abstract 1
- 239000005357 flat glass Substances 0.000 abstract 1
- 229920002554 vinyl polymer Polymers 0.000 abstract 1
- 210000004027 cell Anatomy 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013084 building-integrated photovoltaic technology Methods 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Images
Classifications
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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
- 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
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- Photovoltaic Devices (AREA)
Abstract
The invention discloses a double-sided battery pack, which is made of a transparent TPT (Triphenyltin) material and is suitable for the fields of photoelectricity and building materials. The battery packis manufactured by the following steps of: constituting a glass+EVA (Ethylene Vinyl Acetute)+cell+EVA+TPT laminated structure by using transparent TPT instead of the conventional back plate glass; constituting an array by adopting a plurality of double-sided solar cells, wherein each row of double-sided solar cells are connected with another row through an interconnecting bar, and all rows of the array are connected to a junction box through a bus bar and a lead-out wire; and laminating the battery pack and arranging an aluminum frame and the junction box. The double-sided battery pack has the advantages of convenience for processing and attractive appearance, and can generate power on double sides; and compared with the conventional double-glass component, the double-sided battery pack has the advantages that: the processing process is further simplified, the weight of the battery pack is reduced, and a double-sided cell can be applied to the fields of photoelectricity, building materials and the like more comprehensively.
Description
Technical field
The invention belongs to the solar module technical field, be specifically related to the transparent again battery component of a kind of two-sided generating, be applicable to that large glass curtain buildings, parking lot, highway soundproof wall etc. are architectural, also be applicable to generating environment such as desert and snowfield.
Background technology
Double-sided solar battery is the positive and negative of battery sheet, under the irradiation of light, can produce corresponding power, thus the power of indirect increase photovoltaic module, the corresponding conversion efficiency of raising monolithic battery sheet.When two-sided battery component is installed on building, under irradiation of sunlight, can utilize daytime the front of assembly that sunlight is converted to electric energy; In evening, the light in the solar cell absorption chamber of reverse side is converted to electric energy.So just increased the power of assembly greatly.
The general upper strata of existing solar photovoltaic assembly is high transparent glass, lower floor is lighttight TPT(polyvinyl fluoride composite membrane) backboard, the centre is EVA film and solar battery sheet, the photovoltaic module of this standard is opaque, be not suitable for the use of two-sided battery, also do not reach not only generating electricity but also transparent effect of BIPV requirement.Therefore traditionally for reach the transparent daylighting of assembly, can the two sides generating effect, often assembly adopts layer glass to carry out lamination.As Chinese patent application number be: among the CN200810138159.4, a kind of double side photovoltaic battery wall component and preparation method thereof is disclosed, the photovoltaic module of this invention comprises following structure: layer glass before and after photovoltaic module adopts, wherein top layer is a solar energy ultra-white glass, the intermediate layer is two-layer EVA glue, accompanies two-sided crystalline silicon solar cell piece between the two-layer EVA glue.
The photovoltaic module of the two glass structures of this employing has solved the application problem of printing opacity and two-sided battery, but have the following disadvantages: existing laminating machine process conditions when making two glass assembly are complicated, because glass is hot non-conductor, adopt the layer glass lamination, the glass gross thickness is thicker, EVA glue is vacuumizing, is causing easily when thawing, lamination bad phenomenon such as the crushing of battery sheet, the displacement of battery sheet, double glazing dislocation, bubble, finished product rate to cannot say for sure card.Simultaneously, double glazing assembly own wt is heavier, when the application of sunshade, daylighting top and the daylighting curtain wall of some low-rise buildings, increases building cost, does not have advantage.
Summary of the invention
At the above-mentioned technical problem that exists in the prior art,, the invention provides a kind of novel two-sided battery component in order to simplify molding technological condition, make full use of resource, save the goal of the invention of building cost.
The technical solution adopted for the present invention to solve the technical problems is:
Two-sided battery component, assembly are to be followed successively by the laminated construction that glass, EVA glued membrane, double-sided solar battery sheet, EVA glued membrane and TPT backboard are formed from top to bottom, and described backboard adopts transparent TPT material; Adopt a plurality of described double-sided solar battery sheets to form array, wherein, adopt interconnector to connect between the double-sided solar battery sheet of every row, adopt busbar and lead-out wire to be connected to terminal box between each row of array; The aluminium frame is installed around the described assembly.
Described aluminium frame adopts the industrial aluminum profile of similar doorframe, window frame structure, can effectively avoid the influence of frame shade to the assembly generating efficiency.
Described array is divided into one group in twos, is connected with bypass diode between the row of two in every group, bypass diode and terminal box one are reinstated the casting glue sealing, and the employing transparent silica gel is fixed in the centre position on assembly top.
Assembly of the present invention adopts transparent TPT material, has not only solved the purposes problem of two-sided battery, and has simplified the molding technological condition of two-sided battery component, and the assembly of formation has advantages such as attractive in appearance, that moulding process is easy; Compare with traditional double glass assembly, alleviated assembly weight, further reduced cost, can more fully two-sided battery be used in the fields such as photoelectricity and building materials.
Description of drawings
Fig. 1 is the structural representation of the two-sided battery component of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done explanation in further detail.
The present invention adopts the two-sided battery component of transparent TPT material, and assembly comprises upper strata glass, bottom transparent back panel, the two-layer EVA glue of centre and the double-side solar cell sheet 1 between the two-layer EVA glue.Adopt a plurality of double-sided solar battery sheets 1 and be arranged in array, wherein, adopt interconnector 3 to connect between the double-sided solar battery sheet 1 of every row, adopt busbar 4 and lead-out wire 7 to be connected to terminal box 6 between each row of array.
Bond with the EVA laminating seal between upper strata glass, bottom transparent back panel and the double-sided solar battery chip arrays, aluminium frame 2 was made on assembly refilled after lamination is finished, aluminium frame 2 adopts the industrial aluminum profile of similar doorframe, window frame structure, can effectively avoid the influence of frame shade to the assembly generating efficiency.
The double-sided solar battery chip arrays is divided into one group in twos, is connected with bypass diode between the array in every group, can effectively prevent the hot spot effect of assembly.Terminal box cable 5 is connected with terminal box 6, and terminal box 6 adopts transparent silica gel to fix, and uses the casting glue sealing, has guaranteed the water proofing property of assembly.Terminal box 6 can adopt undersized photovoltaic junction box, not only volume is small and exquisite, and when guaranteeing the electrical component performance, can also guarantee the attractive in appearance of assembly, effectively solve conventional photovoltaic junction box to the problem that cell backside blocks, had good thermal conductivity, stability and water proof and dust proof performance.
The photovoltaic cell component upper strata glass of present embodiment is set to ultrawhite toughened glass, and the double-sided solar battery chip arrays is provided with 6 row, every row comprise 12 double-sided solar battery sheets, totally 72 battery sheets.Double-sided solar battery sheet 1 has been selected positive 17.2% conversion efficiency, and the two-sided monocrystaline silicon solar cell sheet of the back side 12.8% conversion efficiency adopts 72 battery sheets, and the component power that encapsulates is, (at air quality AM1.5, temperature is at 25 ℃, light intensity 1000W/m
2) front is 176W, the back side is 140W, overall power is 316W.And common monocrystalline single face battery component with the battery sheet of this conversion efficiency, can only reach 185W.So compare with the single face assembly, the two-sided power of battery of the present invention has increased 131W.
The laminating technology of two-sided battery component of the present invention is identical with conventional assembly.When practical application, this assembly is fit to environment such as desert and snowfield to be used, and the assembly front is when utilizing the solar radiation generating, and the assembly back side can also utilize the background emission on ground to generate electricity, and has so just increased the unit conversion efficiency of assembly.When component application during in building, can select following occupation mode: daytime is bright and clear, selects that assembly is positive to be used, and can produce more electric energy; Use the reverse side of assembly evening, can utilize indoor light to produce electric energy.
Claims (5)
1. two-sided battery component, assembly are to be followed successively by the laminated construction that glass, EVA glued membrane, double-sided solar battery sheet (1), EVA glued membrane and TPT backboard are formed from top to bottom, it is characterized in that, described backboard adopts transparent TPT material; Adopt a plurality of described double-sided solar battery sheets to form array, wherein, adopt interconnector (3) to connect between the double-sided solar battery sheet of every row, adopt busbar (4) and lead-out wire (7) to be connected to terminal box (6) between each row of array; Aluminium frame (2) is installed around the described assembly.
2. two-sided battery component according to claim 1 is characterized in that: the aluminium frame of installing around the described assembly is the industrial aluminum profile of similar doorframe, window frame structure.
3. two-sided battery component according to claim 1, it is characterized in that: described array is divided into one group in twos, be connected with bypass diode between in every group two row, bypass diode and described terminal box one are reinstated the casting glue sealing, and adopt transparent silica gel to be fixed in the centre position on assembly top.
4. according to claim 1,2 or 3 described two-sided battery components, it is characterized in that: described double-sided solar battery chip arrays comprises 6 row, and every row comprise 12 double-sided solar battery sheets.
5. two-sided battery component according to claim 4 is characterized in that: the upper strata glass of described assembly is ultrawhite toughened glass, and described double-sided solar battery sheet is two-sided monocrystaline silicon solar cell sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110229498 CN102254977A (en) | 2010-12-09 | 2011-08-11 | Double-sided battery pack |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010580581 CN102088040A (en) | 2010-12-09 | 2010-12-09 | Double-face battery assembly |
| CN201010580581.2 | 2010-12-09 | ||
| CN 201110229498 CN102254977A (en) | 2010-12-09 | 2011-08-11 | Double-sided battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102254977A true CN102254977A (en) | 2011-11-23 |
Family
ID=44099747
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010580581 Pending CN102088040A (en) | 2010-12-09 | 2010-12-09 | Double-face battery assembly |
| CN 201110229498 Pending CN102254977A (en) | 2010-12-09 | 2011-08-11 | Double-sided battery pack |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010580581 Pending CN102088040A (en) | 2010-12-09 | 2010-12-09 | Double-face battery assembly |
Country Status (1)
| Country | Link |
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| CN (2) | CN102088040A (en) |
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| CN102760783A (en) * | 2012-07-31 | 2012-10-31 | 常州市东君光能科技发展有限公司 | Dual-glass solar cell assembly |
| CN103137790A (en) * | 2013-02-07 | 2013-06-05 | 海南英利新能源有限公司 | Novel photovoltaic module and manufacture method thereof |
| CN105405906A (en) * | 2015-12-15 | 2016-03-16 | 上海正硅实业发展有限公司 | Double-sided power-generating photovoltaic assembly |
| CN107275430A (en) * | 2017-07-28 | 2017-10-20 | 广东威艾斯新能源科技有限公司 | A kind of structurally waterproof euphotic solar energy solar double-glass assemblies device |
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| CN102088040A (en) | 2011-06-08 |
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Application publication date: 20111123 |