CN209418517U - A kind of solar cell - Google Patents
A kind of solar cell Download PDFInfo
- Publication number
- CN209418517U CN209418517U CN201822235865.2U CN201822235865U CN209418517U CN 209418517 U CN209418517 U CN 209418517U CN 201822235865 U CN201822235865 U CN 201822235865U CN 209418517 U CN209418517 U CN 209418517U
- Authority
- CN
- China
- Prior art keywords
- solar cell
- effective coverage
- rounded corner
- epitaxial wafer
- top margin
- 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.)
- Active
Links
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000758 substrate Substances 0.000 abstract description 14
- 239000004744 fabric Substances 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000011521 glass Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000010248 power generation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 239000006059 cover glass Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000000126 substance Substances 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
A kind of solar cell, including epitaxial wafer, epitaxial wafer is equipped with an effective coverage, the shape of effective coverage is to eliminate the circle of a cambered surface, effective coverage is equipped at least one solar cell, solar cell is the rectangle at least one rounded corner, and for solar cell using the straight flange of effective coverage as top margin, the radius size of rounded corner and the radius size of effective coverage are identical.The utility model has the advantage, that the solar cell after scribing is the quadrangle with rounded corner, and relative to common polygon solar cell, the design of rounded corner can increase solar cell area, improves epitaxial wafer utilization rate；In addition the straight flange of solar cell keeps solar cell piece arrangement closer, improves pieces of cloth rate of the solar cell on substrate, improves substrate output power；Solar cell is designed as rectangle simultaneously, can match rectangular glass cover plate, and regular shape is easily prepared, saves accessory cost.
Description
Technical field
The utility model relates to technical field of photovoltaic power generation, more particularly to a kind of sun for efficiently utilizing epitaxial wafer and substrate
Battery design.
Background technique
It is existing using three-junction gallium arsenide as III-V II-VI group solar cell of more knots of representative, usually in epitaxial wafer effective coverage
On be prepared, in order to improve the utilization rate of epitaxial wafer, Authorization Notice No. is CN204130554U mono- utility model patent
A kind of solar cell is disclosed, the shape of the solar cell is to cut off the circle of opposite two cambered surfaces, takes full advantage of epitaxial wafer
Area, but due to solar cell combination after be fixed on substrate, gap is larger after circular solar cell permutation and combination, substrate
Pieces of cloth rate it is lower, and the cover plate of round solar cell needs to customize, and customizes higher cost, therefore the utility model provides one kind
Novel solar cell design.
Utility model content
The purpose of this utility model improves the pieces of cloth rate of substrate, provides one kind efficiently using epitaxial wafer and improves substrate pieces of cloth
The solar cell of rate.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of solar cell, including extension
Piece, the epitaxial wafer are equipped with an effective coverage, it is characterised in that: the shape of the effective coverage is to eliminate a cambered surface
Circle, the effective coverage be equipped at least one solar cell, the solar cell be at least one rounded corner
Rectangle, the solar cell is using the straight flange of the effective coverage as top margin, the radius size of the rounded corner and the effective district
The radius size in domain is identical.
Further, the effective coverage is equipped with a solar cell, and there are four rounded corners for the solar cell band.
Further, there are two symmetrically arranged solar cells on the effective coverage, and there are two the solar cell bands
Identical rounded corner, the solar cell using the straight flange of the effective coverage as top margin, the bottom edge of the solar cell with it is described
Top margin is parallel, and is located along the same line with the diameter of the effective coverage.
Further, there are four symmetrically arranged solar cell, the solar cell have two-by-two on the effective coverage
One rounded corner, the solar cell is using the straight flange of the effective coverage as top margin, the bottom edge of the solar cell and the top
Side is parallel, and is located along the same line with the diameter of the effective coverage, a side of the solar cell be with it is described straight
The vertical perpendicular bisector of diameter.
The utility model has the advantages and positive effects of: the solar cell after excision is four sides with rounded corner
Shape, relative to common polygon solar cell, the design of rounded corner can increase solar cell area, improve the benefit of epitaxial wafer
With rate；In addition the straight flange of solar cell makes to arrange between solar cell piece closer, and solar cell can be arranged closely on substrate,
Pieces of cloth rate of the solar cell on substrate is improved, the effective area of power generation is increased, improves substrate output power；Sun electricity simultaneously
Pond is designed as rectangle, can match rectangular glass cover plate, and regular shape is easily prepared, saves accessory cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment epitaxial wafer
Fig. 2 is the structural schematic diagram of the utility model embodiment epitaxial wafer effective coverage
Fig. 3 is the structural schematic diagram of a solar cell of the utility model embodiment
Fig. 4 is the structural schematic diagram of two solar cells of the utility model embodiment
Fig. 5 is the structural schematic diagram of four solar cells of the utility model embodiment
In figure: 1. solar cells, 2. fringe regions, 3. effective coverages, 4. positioning sides, 5. monocrystalline number, 6. effective coverages
7. epitaxial wafer of straight flange
Specific embodiment
The utility model embodiment is described further with reference to the accompanying drawing:
As shown in the structural schematic diagram of the epitaxial wafer of Fig. 1 the utility model embodiment, sun electricity is tied for III-V race more
Pond, monomer battery are prepared in round epitaxial wafer 7, the cost of epitaxial wafer 7 account for the half of battery totle drilling cost with
On, therefore the utilization rate for improving epitaxial wafer 7 becomes the effective way for reducing solar cell cost, currently in order to improving epitaxial wafer 7
Utilization rate, the method taken is to improve accounting rate of the solar cell 1 on epitaxial wafer 7, due to the fringe region 2 of epitaxial wafer 7
PN junction it is uneven, therefore the fringe region 2 is not available, and in addition the bottom of epitaxial wafer 7 is positioning side 4, and has battery list
Crystalline substance coding 5, therefore this part can not make solar cell, so current solar cell is to have cut off two reciprocity cambered surfaces
Circle.The single battery prepared need to be arranged on substrate, and there are biggish skies for the nearly semicircular tangent arrangement of solar cell 1
Gap reduces the pieces of cloth rate of substrate, and needs to place the cover glass of same shape, the sun of the utility model on solar cell 1
Battery can match rectangular glass cover plate, and regular shape is easily prepared, save accessory cost.
The utility model provides a kind of solar cell, by epitaxial wafer 7 not using region (including fringe region 2,
It positions side 4 and monocrystalline encodes after 5) removing, remaining region is considered effective coverage 3, if Fig. 2 is outside the utility model embodiment
Prolong the structural schematic diagram of piece effective coverage, the shape of effective coverage 3 is to eliminate the circle of a cambered surface, is set on effective coverage 3
There is at least one solar cell 1, solar cell 1 is the rectangle at least one rounded corner, and solar cell 1 is with effective coverage
Straight flange 6 is top margin, and the radius size of rounded corner is identical as the radius size of effective coverage 3.Specifically, it is set on effective coverage 3
There are one, two or four solar cell 1.
As shown in the structural schematic diagram of a solar cell of Fig. 3 the utility model embodiment, effective coverage 3 is equipped with
One solar cell 1, solar cell 1 are the rectangle for being inscribed in round effective coverage, and solar cell 1 is with there are four rounded corner, circles
The radius size of chamfering is identical as the radius size of effective coverage 3, and solar cell 1 is top margin, the sun with the straight flange 6 of effective coverage
The bottom edge of battery 1 and top margin are arranged relative to the diameter symmetry for being parallel to top margin.
As shown in the structural schematic diagram of two solar cells of Fig. 4 the utility model embodiment, effective coverage 3 is equipped with
Two symmetrically arranged rectangle solar cells 1, solar cell 1 are top margin, the bottom edge of solar cell 1 with the straight flange 6 of effective coverage
It is located along the same line with the diameter of effective coverage 3, solar cell 1 is with there are two identical rounded corners.
As shown in the structural schematic diagram of four solar cells of Fig. 5 the utility model embodiment, have four on effective coverage 3
A rectangle solar cell 1 symmetrically arranged two-by-two, solar cell 1 have a rounded corner, and solar cell 1 is with the straight of effective coverage
Side 6 is top margin, specifically, top margin side length is the half of 6 length of cambered surface straight flange, the bottom edge of solar cell 1 is straight with effective coverage 3
Diameter is located along the same line, and a side of solar cell 1 is the perpendicular bisector vertical with above-mentioned diameter.
The utility model has the advantages and positive effects of: the solar cell after scribing is four sides with rounded corner
Shape, relative to common polygon solar cell, the design of rounded corner can increase solar cell area, improve the benefit of epitaxial wafer
With rate；In addition the straight flange of solar cell makes solar cell piece gap reach minimum value, and solar cell piece arrangement is closer, improves
Pieces of cloth rate of the solar cell on substrate increases the effective area of power generation, improves substrate output power；Solar cell design simultaneously
For rectangle, rectangular glass cover plate can be matched, regular shape is easily prepared, saves accessory cost.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (4)
1. a kind of solar cell, including epitaxial wafer, the epitaxial wafer is equipped with an effective coverage, it is characterised in that: described to have
Imitate region shape be to eliminate the circle of a cambered surface, the effective coverage be equipped at least one solar cell, it is described too
Positive electricity pond is the rectangle at least one rounded corner, and the solar cell is described using the straight flange of the effective coverage as top margin
The radius size of rounded corner is identical as the radius size of the effective coverage.
2. a kind of solar cell according to claim 1, it is characterised in that: the effective coverage is equipped with a sun electricity
Pond, there are four rounded corners for the solar cell band.
3. a kind of solar cell according to claim 1, it is characterised in that: there are two be symmetrical arranged on the effective coverage
Solar cell, the solar cell band is there are two identical rounded corner, and the solar cell is with the straight flange of the effective coverage
For top margin, the bottom edge of the solar cell is parallel with the top margin, and is located along the same line with the diameter of the effective coverage.
4. a kind of solar cell according to claim 1, it is characterised in that: there are four symmetrical two-by-two on the effective coverage
The solar cell of setting, the solar cell have a rounded corner, and the solar cell is with the straight flange of the effective coverage
Top margin, the bottom edge of the solar cell is parallel with the top margin, and is located along the same line with the diameter of the effective coverage, institute
A side for stating solar cell is the perpendicular bisector vertical with the diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822235865.2U CN209418517U (en) | 2018-12-28 | 2018-12-28 | A kind of solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822235865.2U CN209418517U (en) | 2018-12-28 | 2018-12-28 | A kind of solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209418517U true CN209418517U (en) | 2019-09-20 |
Family
ID=67941373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822235865.2U Active CN209418517U (en) | 2018-12-28 | 2018-12-28 | A kind of solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209418517U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463301A (en) * | 2020-05-19 | 2020-07-28 | 东方日升新能源股份有限公司 | Silicon wafer/cell, photovoltaic cell assembly, carrier and design arrangement method |
| WO2022075308A1 (en) * | 2020-10-05 | 2022-04-14 | 株式会社カネカ | Solar battery cell |
-
2018
- 2018-12-28 CN CN201822235865.2U patent/CN209418517U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463301A (en) * | 2020-05-19 | 2020-07-28 | 东方日升新能源股份有限公司 | Silicon wafer/cell, photovoltaic cell assembly, carrier and design arrangement method |
| WO2022075308A1 (en) * | 2020-10-05 | 2022-04-14 | 株式会社カネカ | Solar battery cell |
| JP7493052B2 (en) | 2020-10-05 | 2024-05-30 | 株式会社カネカ | Solar Cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8916766B2 (en) | Solar concentrator and photoelectric conversion structure | |
| CN106653950B (en) | Preparation method of gallium arsenide-silicon multi-junction efficient solar cell | |
| CN209418517U (en) | A kind of solar cell | |
| CN105355670B (en) | Five-junction solar energy cells including DBR structure | |
| CN102790116B (en) | Upside-down mounting GaInP/GaAs/Ge/Ge four-junction solar cell and preparation method thereof | |
| CN102790117B (en) | GaInP/GaAs/InGaNAs/Ge four-junction solar cell and preparation method thereof | |
| CN201936889U (en) | Four-junction solar photovoltaic cell chip for compound semiconductor | |
| CN104124287B (en) | A kind of single crystal silicon solar cell back surface gate line electrode structure and single crystal silicon solar cell | |
| CN102790119A (en) | GaInP/GaAs/Ge/Ge four-junction solar cell and preparation method thereof | |
| CN205194710U (en) | Four knot solar cell with reflection stratum | |
| CN101976689A (en) | Five-junction semiconductor solar photovoltaic cell chip | |
| CN203277410U (en) | Circular arc angles at edges of solar cell | |
| CN102437227A (en) | Multi-junction solar cell containing InAs quantum dot structure | |
| CN110223950A (en) | A kind of support holder structure and preparation method thereof for chemical vapor deposited silicon base film passivation layer | |
| CN101980367B (en) | Four-junction solar photovoltaic cell chip for compound semiconductor | |
| CN104916725A (en) | Three-junction laminated solar cell and manufacturing method thereof | |
| CN205385027U (en) | Five knot solar cell that contain DBR structure | |
| CN209766439U (en) | Novel structure of photovoltaic module battery piece | |
| CN206225381U (en) | High-efficiency multi-junction solar cell | |
| CN201956362U (en) | Five-junction compound semiconductor solar energy photovoltaic battery chip | |
| CN209418515U (en) | A kind of polygon solar cell improving epitaxial wafer utilization rate | |
| CN204315605U (en) | Double-sided growth GaAs four-junction solar cell | |
| CN109103278A (en) | A kind of efficient six joint solar cell of no aluminium and preparation method thereof | |
| CN215911434U (en) | Monocrystalline silicon piece for improving photoelectric conversion efficiency for precision electronic engineering | |
| CN203038935U (en) | Silicon wafer for solar cell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |