CN202067809U - Double-surface solar cell component - Google Patents
Double-surface solar cell component Download PDFInfo
- Publication number
- CN202067809U CN202067809U CN 201120142287 CN201120142287U CN202067809U CN 202067809 U CN202067809 U CN 202067809U CN 201120142287 CN201120142287 CN 201120142287 CN 201120142287 U CN201120142287 U CN 201120142287U CN 202067809 U CN202067809 U CN 202067809U
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- CN
- China
- Prior art keywords
- sided
- double
- photoelectric device
- grid line
- utmost point
- 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.)
- Expired - Fee Related
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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
Abstract
A double-surface solar cell component can receive solar energy by two surfaces and can convert solar energy into electricity. A photoelectric component is capable of receiving solar energy by two surfaces, the two sides of the photoelectric component, which can receive light, are packaged by a light transmitting part; and the photoelectric component is provided with an output terminal which extends out of the photoelectric component. The double-surface solar cell component is used for solar electrical energy generation.
Description
Technical field
The utility model relates to a kind of solar module, battery component that especially can two-sided reception solar energy.
Background technology
Solar energy is human inexhaustible regenerative resource. also is clean energy resource, do not produce any environmental pollution.In the middle of effective utilization of solar energy; Big sun can solar photovoltaic utilization be a research field with fastest developing speed in the last few years, most active, is one of project that wherein attracts most attention.For this reason, people develop and have developed solar cell.Present solar cell mainly is that single face receives solar energy, and another face of battery component does not often possess the function of conversion solar.
The typical structure of crystal silicon photovoltaic cell assembly is at present: be unified into some battery sheets a string at a certain distance with interconnecting strip; then with some crosstalks pond sheet with busbar at a certain distance by in parallel or be composed in series a battery sheet square formation; cover protective clear layer and weather-proof film respectively at front and back again; be packaged into photovoltaic cell component behind the lamination, become photo-voltaic power supply after adding other assemblies.In the twin shaft tracing system, during building work, because sunlight is vertical irradiation (or near normal irradiation) battery chip module front all the time, the sunlight that the clearance portion branch between battery sheet and the battery sheet is accepted in the assembly has wasted illuminating area owing to vertical reflection is not used like this.
In the fixed type photovoltaic assembly, the assembly backboard produces direct reflection to incident sunlight, and this part sunlight carries out cover to a certain position of battery sheet, though this part sunlight has been utilized, but can cause that the inner charge carrier of battery sheet is inhomogeneous, cause battery sheet internal temperature inhomogeneous.
Summary of the invention
The purpose of this utility model provides a kind of double-sided solar battery assembly.
The technical scheme that its technical problem that solves the utility model adopts is: the photoelectric device of a two-sided reception solar energy, and the both sides that described photoelectric device can receive light encapsulate with transmission element, and photoelectric device has the lead-out terminal that extends to outside the photoelectric device.The two-sided photoelectric device of accepting solar energy two-sided has photoelectric conversion layer.Photoelectric conversion layer can be the solar battery sheet with double-sided PN junction; Transmission element comprises at least two layers, and internal layer is the printing opacity bond, and skin is the rigidity transmission element, can cover antireflection layer again on the rigidity transmission element.
The beneficial effects of the utility model are, the utility model can two-sided absorption solar energy, can be widely used in having multiple direction sunlight, as the diffusion sunlight etc.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: 1. photoelectric device, 2. printing opacity bond, 3. rigidity transmission element, 4. lead-out terminal.
Embodiment
General requirement to solar module is energy operate as normal 20～30 years, therefore requires the employed material of assembly, and parts and structure are consistent mutually on useful life, avoid making whole component failures because of a place damages.Enough mechanical strengths are arranged, can stand the conflict that in transportation, installation and use, takes place, vibration and other stress.The two-sided joint solar cell of monomer can not directly be made battery and use.Make power supply with some cell series and parallels being connected and tightly be packaged into assembly.Requirement is to solar module: certain nominal operation electric current power output is arranged; Long working life; The electrical property loss that combination causes is little; The combination cost is low.
As Fig. 1, photoelectric device is a two-sided PN junction silicon solar cell.
For P type crystal silicon chip, the intermediate layer is the P layer, on the positive N layer positive N utmost point grid line is arranged, the back side is that P utmost point grid line N utmost point grid line is alternate, two kinds of methods of attachment of positive N utmost point grid line and P type back side N utmost point grid line are respectively: positive N utmost point grid line and P type back side N utmost point grid line extend to silicon chip edge, silicon chip edge connects with bus bar, and brushing of silicon chip side and the identical slurry of N utmost point grid line make the N of front and back extremely in parallel; Punch between the positive N utmost point grid line of silicon chip and P type back side N utmost point grid line, the hole inwall diffuses into the filling slurry identical with the N grid line in N type silicon or the hole.
For N type crystal silicon chip, the intermediate layer is the N layer, above the positive P layer positive P utmost point grid line is arranged, the back side is that P utmost point grid line is alternate with N utmost point grid line, two kinds of methods of attachment of P utmost point grid line at the positive P utmost point grid line and the N type back side are respectively: positive P utmost point grid line and N type back side P utmost point grid line extend to silicon chip edge, silicon chip edge connects with bus bar, and brushing of silicon chip side and the identical slurry of P utmost point grid line make the P of front and back extremely in parallel; Punch between the positive P utmost point grid line of silicon chip and N type back side P utmost point grid line, the hole inwall diffuses in P type silicon or the hole and fills and the identical slurry of P utmost point grid line.
Usefulness behind the two-sided battery sheet serial or parallel connection is drawn lead-out terminal, and the printing opacity bond is mainly bonding agent, and room curing silicon rubber, PEP, polyvinyl butyral resin, transparent dioxygen resin, polyvinyl acetate etc. are arranged.Generally require it in visible-range, to have high light transmittance; Elasticity and excellent electric insulating energy can be suitable for the component package of automation.The EVA that is formed as ethene (E) and vinylacetate (VA) is a kind of comparatively ideal bonding agent.
Printing opacity bond skin is the rigidity transmission element, as toughened glass, polyacrylic acid resinoid, PEP, transparent polyester, poly-carbon ester etc.Low iron toughened glass is the most general cladding material.
Cover antireflection layer again on rigidity transmission element top layer, or claim antireflective coating, anti-reflection film, can improve the absorptivity of light.
Flat component must have frame, with being connected and fixed of protection assembly and assembly and square formation.Frame is that binding agent constitutes the sealing to the assembly edge.Lead-out terminal is generally drawn from frame.The frame main material has stainless steel, aluminium alloy, rubber, reinforced plastics etc.
Claims (4)
1. double-sided solar battery assembly is characterized in that: the photoelectric device of a two-sided reception solar energy, and the both sides that described photoelectric device can receive light encapsulate with transmission element, and photoelectric device has the lead-out terminal that extends to outside the photoelectric device.
2. a kind of double-sided solar battery assembly according to claim 1 is characterized in that: the described two-sided photoelectric device of accepting solar energy two-sided has photoelectric conversion layer.
3. a kind of double-sided solar battery assembly according to claim 2 is characterized in that: described photoelectric conversion layer can be the solar battery sheet with double-sided PN junction.
4. a kind of double-sided solar battery assembly according to claim 1, it is characterized in that: described transmission element comprises at least two layers, and internal layer is the printing opacity bond, and skin is the rigidity transmission element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120142287 CN202067809U (en) | 2011-05-08 | 2011-05-08 | Double-surface solar cell component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120142287 CN202067809U (en) | 2011-05-08 | 2011-05-08 | Double-surface solar cell component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202067809U true CN202067809U (en) | 2011-12-07 |
Family
ID=45061664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120142287 Expired - Fee Related CN202067809U (en) | 2011-05-08 | 2011-05-08 | Double-surface solar cell component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202067809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157706A (en) * | 2013-05-13 | 2014-11-19 | 南台科技大学 | Solar module with dodging function |
-
2011
- 2011-05-08 CN CN 201120142287 patent/CN202067809U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157706A (en) * | 2013-05-13 | 2014-11-19 | 南台科技大学 | Solar module with dodging function |
| TWI485870B (en) * | 2013-05-13 | 2015-05-21 | Univ Southern Taiwan Sci & Tec | Solar module with average light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20130508 |