CN209000939U - Curved solar energy battery - Google Patents
Curved solar energy battery Download PDFInfo
- Publication number
- CN209000939U CN209000939U CN201822008964.7U CN201822008964U CN209000939U CN 209000939 U CN209000939 U CN 209000939U CN 201822008964 U CN201822008964 U CN 201822008964U CN 209000939 U CN209000939 U CN 209000939U
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- scribe area
- solar energy
- battery
- energy battery
- electrode layer
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- 239000011521 glass Substances 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 239000010409 thin film Substances 0.000 claims abstract description 29
- 238000005520 cutting process Methods 0.000 claims abstract description 20
- 239000010408 film Substances 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of curved solar energy battery.The curved solar energy battery includes bend glass and the thin-film solar cells that is arranged on bend glass surface, thin-film solar cells includes substrate and setting and the battery unit on substrate, battery unit is divided into multiple sub- battery units by least one cutting region, when cutting region is multiple, it is parallel to each other between each cutting region, the connection relationship between adjacent each sub- battery unit, which is selected from, is connected in parallel, is connected in series and combines in parallel and serial at least one of connection.Above-mentioned curved solar energy battery can improve the yields of product by the voltage drop of thin-film solar cells down to safe voltage hereinafter, thin-film solar cells is bonded difficulty with bend glass when solving the problems, such as that bend glass is bent larger.
Description
Technical field
The utility model relates to thin-film solar cell applications product scopes, in particular to a kind of curved solar energy
Battery.
Background technique
Roof solar battery is a kind of optoelectronic semiconductor thin skin device using the sunlight direct generation of electricity, can be used as automobile
Electrical equipment power source uses, and can reduce engine power generation and load, is environmental-friendly, furthermore it is alternatively arranged as power source
Supplementary device.
Ride-type motor vehicle, it is contemplated that the requirement of vehicle body beauty and air resistance coefficient, roof usually not instead of plane are multiple
, i.e., all there is certain radian on mutually perpendicular first direction and second direction in miscellaneous hyperboloid, the size of radian according to
The shape and size of vehicle body and it is different, however, solar battery sheet or solar components are mostly planar structure at present, pasted
Outer surface or the inner surface for closing curved surface, usually will make planar materials that certain plastic deformation occur, due to solar battery
In be mostly fragile material, such as the monocrystalline or polycrystalline solar cell of mainstream, the stress that this plastic deformation generates makes
It obtains fragile material and is easy damaged or crack etc. in process of production, generate open defect, cause the yields of product low.
The thin-film solar cells risen recently, such as amorphous silicon, cadmium telluride, CIGS solar battery are deposited on 1mm thickness
It spends on substrate flexible or semi-flexible below, such as stainless steel, PET film, ultra-thin glass, is able to solve to a certain extent
The above problem, when vehicle dormer window bending is larger, the especially appearance of the deep camber double curved glass roof of large area, film is too
Positive energy battery is bonded difficulty with automobile skylight glass and greatly increases.As still used the above method by flexible solar battery and roof
Fitting, usual edge appear in fold, not only influence the apparent visual effect of roof, but also depositing due to the big stress in part
Reducing the reliability and safety of solar battery.
Utility model content
The main purpose of the utility model is to provide a kind of curved solar energy batteries, to solve prior art mean camber glass
Thin-film solar cells is bonded difficult problem with bend glass when glass is bent larger.
To achieve the goals above, one aspect according to the present utility model provides a kind of curved solar energy battery, packet
The thin-film solar cells for including bend glass and being arranged on bend glass surface, thin-film solar cells include substrate and set
It sets and multiple sub- battery units, cutting region is divided by least one cutting region with the battery unit on substrate, battery unit
It when being multiple, is parallel to each other between each cutting region, the connection relationship between adjacent each sub- battery unit is selected from and is connected in parallel, goes here and there
At least one of join connection and combine connection in parallel and serial.
Further, battery unit includes back electrode layer, the absorbed layer, buffer layer being laminated along the direction sequence far from substrate
With preceding electrode layer.
Further, multiple the first scribe areas being parallel to each other, the second drawn area are respectively provided in each sub- battery unit
Domain and third scribe area, the first scribe area are through to back electrode layer upper surface from upper surface of substrate, the second scribe area from
Back electrode layer upper surface is through to buffer layer upper surface, and electrode layer is located at the upper of back electrode layer in the second scribe area before part
Surface, electrode layer upper surface before third scribe area is through to from back electrode layer upper surface.
Further, the first scribe area, the second scribe area and third scribe area are parallel with cutting region.
Further, the width of the first scribe area, the second scribe area and third scribe area is 40~100 μm.
Further, between adjacent each first scribe area, between adjacent each second scribe area and adjacent each third
The distance between scribe area is 2~8mm.
Further, on the extending direction of the first scribe area, the second scribe area and third scribe area, first stroke
The shortest distance between line region, the second scribe area and third scribe area and sub- battery unit edge is 8~16mm.
Further, vertical with the extending direction of the first scribe area, the second scribe area and third scribe area
The shortest distance on direction, between the first scribe area, the second scribe area and third scribe area and sub- battery unit edge
It is 15.5mm.
Further, curved solar energy battery further includes the PVB being arranged between thin-film solar cells and bend glass
Glue film.
Further, PVB film with a thickness of 0.5~1.52mm.
Further, battery unit further includes busbar, and busbar welds on substrate, and busbar is electric with each son respectively
Pool unit electrical connection.
Using the technical solution of the utility model, a kind of curved solar energy battery, including bend glass and setting are provided
Thin-film solar cells on bend glass surface, thin-film solar cells include substrate and setting and the battery on substrate
Unit, battery unit are divided into multiple sub- battery units by least one cutting region, by by between multiple sub- battery units simultaneously
Connection connection is connected in series or combines in parallel and serial connection, so that the voltage drop of thin-film solar cells is electric down to safety
Pressure hereinafter, solve the problems, such as that thin-film solar cells is bonded difficulty with bend glass when bend glass is bent larger, keeps away simultaneously
Exempt from edge and fold occur, improves the yields of product.
Detailed description of the invention
The Figure of description for constituting a part of the utility model is used to provide a further understanding of the present invention, this
The illustrative embodiments and their description of utility model do not constitute the improper limit to the utility model for explaining the utility model
It is fixed.In the accompanying drawings:
Fig. 1 shows a kind of structural representation of curved solar energy battery schematic diagram provided by the utility model embodiment
Figure；
Fig. 2 shows the schematic diagram of the section structure of scribe area shown in FIG. 1；
Fig. 3 shows the schematic diagram of the section structure that back electrode layer is deposited on substrate；
Fig. 4, which is shown, carries out the schematic diagram of the section structure that P1 laser scribing forms the first scribe area to back electrode layer；
Fig. 5 shows the schematic diagram of the section structure that absorbed layer and buffer layer are deposited on substrate；
Fig. 6, which is shown, carries out the cross-section structure signal that P2 laser scribing forms the second scribe area to absorbed layer and buffer layer
Figure；
The schematic diagram of the section structure that electrode layer is deposited on substrate before Fig. 7 is shown；And
Fig. 8, which is shown, cuts open absorbed layer, buffer layer and preceding electrode layer progress P2 laser scribing formation third scribe area
Face structural schematic diagram.
Wherein, the above drawings include the following reference numerals:
10, curved solar energy battery；20, scribe area；201, the first scribe area；202, the second scribe area；203,
Third scribe area；30, cutting region；40, substrate；50, back electrode layer；60, absorbed layer；70, buffer layer；80, preceding electrode layer.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so as to the embodiments of the present invention described herein.In addition, term " packet
Include " and " having " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps
Or the process, method, system, product or equipment of unit those of are not necessarily limited to be clearly listed step or unit, but can wrap
Include other step or units being not clearly listed or intrinsic for these process, methods, product or equipment.
As described in background technique, thin-film solar cells when bend glass is bent larger exists in the prior art
Difficult problem is bonded with bend glass.The utility model is studied regarding to the issue above, proposes a kind of curved solar energy
Battery 10, as depicted in figs. 1 and 2, including bend glass and the thin-film solar cells being arranged on bend glass surface, film
Solar battery includes substrate 40 and setting and the battery unit on substrate 40, and battery unit is by least one cutting region 30
It is divided into multiple sub- battery units, when cutting region 30 is multiple, is parallel to each other between each cutting region 30, adjacent each sub- battery
Connection relationship between unit, which is selected from, is connected in parallel, is connected in series and combines in parallel and serial at least one of connection.
Using the technical solution of the utility model, a kind of curved solar energy battery, including bend glass and setting are provided
Thin-film solar cells on bend glass surface, thin-film solar cells include substrate and setting and the battery on substrate
Unit, battery unit are divided into multiple sub- battery units by least one cutting region, by by between multiple sub- battery units simultaneously
Connection connection is connected in series or combines in parallel and serial connection, so that the voltage drop of thin-film solar cells is electric down to safety
Pressure hereinafter, solve the problems, such as that thin-film solar cells is bonded difficulty with bend glass when bend glass is bent larger, keeps away simultaneously
Exempt from edge and fold occurs.
As shown in Fig. 2, in the technical scheme of this embodiment, it is preferable that battery unit includes along the side far from substrate 40
To back electrode layer 50, absorbed layer 60, buffer layer 70 and the preceding electrode layer 80 of sequence stacking.Using deposition technique by back electrode layer
50, absorbed layer 60, buffer layer 70 and preceding electrode layer 80 are successively grown on substrate 40, make thin-film solar cells can with certain
Flexibility, so as to be applied in nonplanar structure.
In the technical scheme of this embodiment, it is preferable that multiple strokes being parallel to each other are respectively provided in each sub- battery unit
Line region 20, scribe area 20 includes the first scribe area 201, the second scribe area 202 and third scribe area 203, such as Fig. 2
It is shown.
The technique for forming above-mentioned scribe area 20 may include following procedure: provide the lining that surface is formed with back electrode layer 50
Bottom 40, as shown in Figure 3；It carries out P1 laser scribing and forms the first scribe area 201, first scribe area 201 is from substrate 40
Surface is through to 50 upper surface of back electrode layer, as shown in Figure 4；Absorbed layer 60 and buffer layer 70 are formed on substrate 40, such as Fig. 5 institute
Show；It carries out P2 machinery to cross to form the second scribe area 202, which runs through from 50 upper surface of back electrode layer
To 70 upper surface of buffer layer, and electrode layer 80 is located at the upper surface of back electrode layer 50 in the second scribe area 202 before part, such as schemes
Shown in 6；Electrode layer 80 before being formed on substrate 40, as shown in Figure 7；P3 machinery is carried out to cross to form third scribe area 203, it should
80 upper surface of electrode layer before third scribe area 203 is through to from 50 upper surface of back electrode layer, as shown in Figure 8.On being formed
The first scribe area 201, above-mentioned second scribe area 202 and above-mentioned third scribe area 203 are stated, battery unit is divided into
Multiple concatenated sub- batteries, scribing line can be improved preceding electrode to the capacity gauge of electric current, reduce electricity loss, improve battery effect
Rate.
In the technical scheme of this embodiment, it is preferable that the first scribe area 201, the second scribe area 202 and third are drawn
Line region 203 is parallel with cutting region 30.Above-mentioned mode disposed in parallel is multiple independent convenient for battery unit to be divided into
Sub- battery unit avoids sub- battery structure from being destroyed.
In the technical scheme of this embodiment, it is preferable that the first scribe area 201, the second scribe area 202 and third are drawn
The width in line region 203 is 40~100 μm.The scribe area of above-mentioned width can guarantee the accurate, efficient of scribing line, be closed
The sub- battery of lattice.
In the technical scheme of this embodiment, it is preferable that between adjacent each first scribe area 201, each second stroke adjacent
Between line region 202 and the distance between adjacent each third scribe area 203 is 2~8mm.By setting scribe area it
Between the output voltage of the sub- battery of distance controlling the voltage of thin-film solar cells is reduced to determine suitable cutting scheme
To safe voltage, that is to say, that apart from too small, scribing line difficulty height；Apart from excessive, the output voltage height of sub- battery, to protect
Card is by the voltage drop of thin-film solar cells down to safe voltage hereinafter, improving the complexity of cutting scheme.
In the technical scheme of this embodiment, it is preferable that in the first scribe area 201, the second scribe area 202 and third
On the extending direction of scribe area 203, the first scribe area 201, the second scribe area 202 and third scribe area 203 and son
The shortest distance between battery unit edge is 8~16mm；With the first scribe area 201, the second scribe area 202 and
On the vertical direction of the extending direction of three scribe areas 203, the first scribe area 201, the second scribe area 202 and third scribing line
The shortest distance between region 203 and sub- battery unit edge is 15.5mm.Slot milling setting in sub- battery unit edge converges
Item is flowed, busbar welds on substrate, and busbar is electrically connected with each sub- battery unit respectively, and busbar produces sub- battery unit
Raw electric current draws to power outward.
In the technical scheme of this embodiment, it is preferable that curved solar energy battery further includes setting in thin film solar electricity
PVB glue film between pond and bend glass, it is further preferable that PVB glue film with a thickness of 0.5~1.52mm.It will be upper by PVB film
It states thin-film solar cells to be fitted on bend glass, forms qualified curved solar energy battery.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
1, the utility model is by the voltage drop of thin-film solar cells down to below safe voltage；
2, the utility model solves thin-film solar cells when bend glass is bent larger and is bonded difficulty with bend glass
The problem of, it avoids edge from fold occur, improves the yields of product.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (11)
1. a kind of curved solar energy battery, which is characterized in that including bend glass and the film being arranged on bend glass surface
Solar battery, the thin-film solar cells include the battery unit on substrate (40) and setting and the substrate (40),
The battery unit is divided into multiple sub- battery units by least one cutting region (30), and the cutting region (30) is multiple
When, it is parallel to each other between each cutting region (30), the connection relationship between adjacent each sub- battery unit is selected from parallel connection
At least one of connect, be connected in series and combine connection in parallel and serial.
2. curved solar energy battery according to claim 1, which is characterized in that the battery unit includes along far from the substrate
(40) back electrode layer (50), absorbed layer (60), buffer layer (70) and the preceding electrode layer (80) of direction sequence stacking.
3. curved solar energy battery according to claim 2, which is characterized in that be respectively provided in each sub- battery unit multiple
The first scribe area (201), the second scribe area (202) and the third scribe area (203) being parallel to each other, first scribing line
Region (201) is through to the back electrode layer (50) upper surface, second scribe area from the substrate (40) upper surface
(202) buffer layer (70) upper surface, and the part preceding electrode layer are through to from the back electrode layer (50) upper surface
(80) it is located at the upper surface of back electrode layer (50) described in second scribe area (202), the third scribe area (203)
Preceding electrode layer (80) upper surface is through to from the back electrode layer (50) upper surface.
4. curved solar energy battery according to claim 3, which is characterized in that first scribe area (201), described second
Scribe area (202) and the third scribe area (203) are parallel with the cutting region (30).
5. curved solar energy battery according to claim 3, which is characterized in that first scribe area (201), described second
The width of scribe area (202) and the third scribe area (203) is 40~100 μm.
6. curved solar energy battery according to claim 3, which is characterized in that adjacent each first scribe area (201) it
Between, between adjacent each second scribe area (202) and the distance between adjacent each third scribe area (203)
For 2~8mm.
7. curved solar energy battery according to claim 3, which is characterized in that in first scribe area (201), described
It is first scribe area (201), described on the extending direction of two scribe areas (202) and the third scribe area (203)
The shortest distance between second scribe area (202) and the third scribe area (203) and the sub- battery unit edge is equal
For 8~16mm.
8. curved solar energy battery according to claim 3, which is characterized in that with first scribe area (201), described
On the vertical direction of the extending direction of second scribe area (202) and the third scribe area (203), first drawn area
Between domain (201), second scribe area (202) and the third scribe area (203) and the sub- battery unit edge
The shortest distance be 15.5mm.
9. according to claim 1 to any one of 8 curved solar energy battery, which is characterized in that the curved solar energy battery
It (10) further include the PVB glue film being arranged between the thin-film solar cells and the bend glass.
10. curved solar energy battery according to claim 9, which is characterized in that the PVB glue film with a thickness of 0.5~
1.52mm。
11. according to claim 1 to any one of 8 curved solar energy battery, which is characterized in that the battery unit further includes
Busbar, the busbar welds over the substrate, and the busbar is electrically connected with each sub- battery unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822008964.7U CN209000939U (en) | 2018-11-30 | 2018-11-30 | Curved solar energy battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822008964.7U CN209000939U (en) | 2018-11-30 | 2018-11-30 | Curved solar energy battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000939U true CN209000939U (en) | 2019-06-18 |
Family
ID=66808193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822008964.7U Active CN209000939U (en) | 2018-11-30 | 2018-11-30 | Curved solar energy battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114740551A (en) * | 2022-04-14 | 2022-07-12 | 福耀玻璃工业集团股份有限公司 | Photon diaphragm and transparent projection display glass |
-
2018
- 2018-11-30 CN CN201822008964.7U patent/CN209000939U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114740551A (en) * | 2022-04-14 | 2022-07-12 | 福耀玻璃工业集团股份有限公司 | Photon diaphragm and transparent projection display glass |
| WO2023198185A1 (en) * | 2022-04-14 | 2023-10-19 | 福耀玻璃工业集团股份有限公司 | Photonic film and transparent projection display glass |
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