CN210073878U - Monocrystalline silicon solar cell module with high photoelectric conversion rate - Google Patents
Monocrystalline silicon solar cell module with high photoelectric conversion rate Download PDFInfo
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- CN210073878U CN210073878U CN201920768212.2U CN201920768212U CN210073878U CN 210073878 U CN210073878 U CN 210073878U CN 201920768212 U CN201920768212 U CN 201920768212U CN 210073878 U CN210073878 U CN 210073878U
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- monocrystalline silicon
- toughened glass
- white cloth
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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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Abstract
The utility model discloses a monocrystalline silicon solar cell component with high photoelectric conversion rate, which comprises a frame, and an ultra-white cloth grain toughened glass and a heat dissipation back plate which are arranged in the frame, wherein a monocrystalline silicon cell piece is packaged between the ultra-white cloth grain toughened glass and the heat dissipation back plate, two sides of the monocrystalline silicon cell piece are both stuck on the ultra-white cloth grain toughened glass and the heat dissipation back plate by a hot melt adhesive film with heat conduction nano particles, the white cloth grain toughened glass is provided with an antireflection coating, the heat dissipation back plate comprises a ceramic film and a heat conduction aluminum plate, compared with the prior art, the utility model adopts the ultra-white cloth grain toughened glass as a panel, the light transmittance reaches more than 92 percent, and the utility model can bear the impact of external force, effectively prolongs the service life, utilizes each layer of the hot melt adhesive film with the heat conduction nano particles as an adhesive layer and a sealing layer, so that the antireflection, the light energy utilization rate is increased, and therefore high photoelectric conversion efficiency is greatly enhanced.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of solar module structure especially relates to a monocrystalline silicon solar module that photoelectric conversion rate is high.
[ background of the invention ]
Energy shortage and environmental pollution are two major problems faced by human in the century, and become bottlenecks in the development of international socioeconomic development. Solar energy offers the best solution to both of these problems as a clean, pollution-free renewable energy source. At present, how to develop a solar cell with high photoelectric conversion efficiency, long service life, stable performance and low cost has attracted extensive attention all over the world. Therefore, solar cells have a wide development space based on the needs of the development of the times.
The factor that influences the improvement of monocrystalline silicon solar cell efficiency is more, and traditional solar cell has the lower problem of energy conversion efficiency, and monocrystalline silicon solar cell panel's photoelectric conversion efficiency can only reach about 18%, for improving monocrystalline silicon solar cell module's photoelectric conversion efficiency, the utility model discloses a effectual and high monocrystalline silicon solar cell module of light absorption rate of spotlight has been researched and developed.
[ Utility model ] content
The utility model aims at solving the problem in the prior art, providing a single crystalline silicon solar cell module that photoelectric conversion rate is high, can strengthen photoelectric conversion efficiency to strengthen solar cell life.
For realizing the above-mentioned purpose, the utility model provides a monocrystalline silicon solar module that photoelectric conversion rate is high, be in including frame and setting super white cloth line toughened glass and heat dissipation backplate in the frame, be packaged with monocrystalline silicon battery piece between super white cloth line toughened glass and the heat dissipation backplate, monocrystalline silicon battery piece two sides bond by the hot melt adhesive membrane that has heat conduction nano particle on super white cloth line toughened glass and the heat dissipation backplate, be equipped with antireflection coating on the white cloth line toughened glass, the heat dissipation backplate includes ceramic film and heat conduction aluminum plate, ceramic film set up on heat conduction aluminum plate and through the hot melt adhesive membrane that has heat conduction nano particle with monocrystalline silicon battery piece bonds, monocrystalline silicon battery piece is the setting of cluster form through range upon range of in super white cloth line toughened glass and the heat dissipation backplate.
Preferably, the monocrystalline silicon battery piece comprises a monocrystalline silicon piece, a front electrode arranged on a light receiving surface of the monocrystalline silicon piece and a back electrode arranged on a backlight surface of the monocrystalline silicon piece, the front electrode comprises a plurality of main grid lines parallel to each other and a plurality of auxiliary grid lines vertically connected with the main grid lines, and the back electrode of one of two adjacent monocrystalline silicon battery pieces is connected with the main grid line of the other monocrystalline silicon battery piece.
Preferably, the back electrode comprises an aluminum back field arranged on the backlight surface of the monocrystalline silicon piece, a conductive adhesive tape is arranged on the aluminum back field, and the conductive adhesive tape of one of the two adjacent monocrystalline silicon battery pieces is connected with the main grid line of the other monocrystalline silicon battery piece.
Preferably, the antireflection coating is arranged on the back of the super-white textured toughened glass, and the antireflection coating is provided with continuous antireflection protrusions.
Preferably, the anti-reflection protrusions are cambered.
The utility model has the advantages that: compared with the prior art, the utility model discloses a super white cloth line toughened glass is as the panel, and the luminousness reaches more than 92%, and can bear external impact, effectively prolongs the utility model discloses a life ensures its performance, utilizes the hot melt adhesive membrane that has heat conduction nano-particle as bonding and sealing layer, makes each layer material form a whole, simple structure, light practicality, through setting up antireflection coating, reduces the reflectivity of visible light, has increased the light energy utilization ratio to greatly strengthen high photoelectric conversion efficiency.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic diagram of a light receiving surface of a single-crystal silicon cell of the present invention;
FIG. 3 is a schematic diagram of the backlight surface of a single-crystal silicon cell of the present invention;
in the figure: 1-frame, 2-super white cloth grain toughened glass, 3-heat dissipation backboard, 4-monocrystalline silicon battery piece, 5-hot melt adhesive film, 6-antireflection coating, 7-ceramic film, 8-heat conduction aluminum plate, 9-antireflection protrusion, 41-monocrystalline silicon piece, 42-back electrode, 43-main grid line, 44-auxiliary grid line, 45-aluminum back field and 46-conductive adhesive tape.
[ detailed description ] embodiments
Referring to fig. 1 to 3, the utility model discloses a frame 1 is in with the setting super white cloth line toughened glass 2 and the heat dissipation backplate 3 in the frame 1, it has monocrystalline silicon battery piece 4 to be packaged with between super white cloth line toughened glass 2 and the heat dissipation backplate 3, monocrystalline silicon battery piece 4 two sides are bonded by hot melt adhesive film 5 that has heat conduction nano particle on super white cloth line toughened glass 2 and the heat dissipation backplate 3, be equipped with antireflection coating 6 on the white cloth line toughened glass 2, heat dissipation backplate 3 includes ceramic film 7 and heat conduction aluminum plate 8, ceramic film 7 sets up on heat conduction aluminum plate 8 and through hot melt adhesive film 5 that has heat conduction nano particle with monocrystalline silicon battery piece 4 bonds, monocrystalline silicon battery piece 4 is the setting of string form through range upon range of being in super white cloth line toughened glass 2 and the heat dissipation backplate 3. The ultra-white cloth grain toughened glass 2 is used as a panel, the light transmittance of the panel is more than 92 percent, and the panel can bear external impact, thereby effectively prolonging the service life of the utility model; the hot melt adhesive film 5 is an ethylene-vinyl acetate copolymer, has good chemical stability, aging resistance and ozone resistance, has a closed cellular structure, and has better water-proof, damp-proof and water-proof properties, the hot melt adhesive film 5 is used as a bonding layer and a sealing layer, so that each layer of material forms a whole, the structure is simple, light and practical, and meanwhile, the heat conduction nanoparticles are aluminum oxide, magnesium oxide, zinc oxide, aluminum nitride, boron nitride, silicon nitride and the like. The ceramic film 7 has the characteristics of low moisture permeability and low air permeability, has excellent weather resistance, plays the role of moisture protection and oxidation resistance on the solar cell module, and prolongs the service life of the solar cell module
Specifically, the monocrystalline silicon battery piece 4 comprises a monocrystalline silicon piece 41, a front electrode arranged on a light receiving surface of the monocrystalline silicon piece, and a back electrode 42 arranged on a backlight surface of the monocrystalline silicon piece 41, the front electrode comprises a plurality of main grid lines 43 parallel to each other and a plurality of sub-grid lines 44 vertically connected with the main grid lines 43, and the back electrode 42 of one of two adjacent monocrystalline silicon battery pieces is connected with the main grid line 43 of the other monocrystalline silicon battery piece.
Specifically, the back electrode 42 includes an aluminum back field 45 disposed on the back surface of the monocrystalline silicon wafer 41, a conductive adhesive tape 46 is disposed on the aluminum back field 45, and the conductive adhesive tape 46 of one of two adjacent monocrystalline silicon battery pieces 4 is connected to the main grid line 43 of the other monocrystalline silicon battery piece 4. The conductive adhesive tape 46 is used for omitting a welding strip structure for connecting two adjacent monocrystalline silicon battery pieces in the prior art, so that the light receiving area of the monocrystalline silicon piece 41 is enlarged, and the light spot conversion efficiency is enhanced.
Specifically, the antireflection coating 6 is arranged on the back surface of the ultra-white cloth grain toughened glass 2, a continuous antireflection protrusion 9 is arranged on the antireflection coating 6, and the antireflection protrusion 9 is in an arc shape. The anti-reflection protrusions 9 are magnesium fluoride particles, which can reduce reflection of incident light, reduce halo, and increase light transmittance.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (5)
1. Monocrystalline silicon solar module that photoelectric conversion rate is high, be in including frame (1) and setting super white cloth line toughened glass (2) and heat dissipation backplate (3) in frame (1), it has monocrystalline silicon battery piece (4), its characterized in that to encapsulate between super white cloth line toughened glass (2) and heat dissipation backplate (3): the solar cell panel is characterized in that two sides of the monocrystalline silicon cell panel (4) are bonded to the ultra-white cloth grain toughened glass (2) and the heat dissipation back panel (3) through hot melt adhesive films (5) with heat conduction nano particles, an antireflection coating (6) is arranged on the white cloth grain toughened glass (2), the heat dissipation back panel (3) comprises a ceramic film (7) and a heat conduction aluminum plate (8), the ceramic film (7) is arranged on the heat conduction aluminum plate (8) and is bonded with the monocrystalline silicon cell panel (4) through the hot melt adhesive films (5) with the heat conduction nano particles, and the monocrystalline silicon cell panel (4) is stacked to be in a string shape and is arranged in the ultra-white cloth grain toughened glass (2) and the heat dissipation back panel (3).
2. The single crystal silicon solar cell module with high photoelectric conversion rate according to claim 1, wherein: the single crystal silicon battery piece (4) comprises a single crystal silicon piece (41), a front electrode arranged on a light receiving surface of the single crystal silicon piece and a back electrode (42) arranged on a backlight surface of the single crystal silicon piece (41), the front electrode comprises a plurality of main grid lines (43) which are parallel to each other and a plurality of auxiliary grid lines (44) which are vertically connected with the main grid lines (43), and the back electrode (42) of one of two adjacent single crystal silicon battery pieces is connected with the main grid lines (43) of the other single crystal silicon battery piece.
3. The single crystal silicon solar cell module with high photoelectric conversion rate according to claim 2, wherein: the back electrode (42) comprises an aluminum back field (45) arranged on the backlight surface of the monocrystalline silicon wafer (41), a conductive adhesive tape (46) is arranged on the aluminum back field (45), and the conductive adhesive tape (46) of one of the two adjacent monocrystalline silicon battery pieces (4) is connected with the main grid line (43) of the other monocrystalline silicon battery piece (4).
4. The single crystal silicon solar cell module with high photoelectric conversion rate according to claim 1, wherein: the anti-reflection coating (6) is arranged on the back surface of the ultra-white cloth grain toughened glass (2), and the anti-reflection coating (6) is provided with continuous anti-reflection protrusions (9).
5. The high-photoelectric-conversion-rate single-crystal silicon solar cell module according to claim 4, wherein: the anti-reflection bulge (9) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920768212.2U CN210073878U (en) | 2019-05-24 | 2019-05-24 | Monocrystalline silicon solar cell module with high photoelectric conversion rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920768212.2U CN210073878U (en) | 2019-05-24 | 2019-05-24 | Monocrystalline silicon solar cell module with high photoelectric conversion rate |
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| Publication Number | Publication Date |
|---|---|
| CN210073878U true CN210073878U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920768212.2U Active CN210073878U (en) | 2019-05-24 | 2019-05-24 | Monocrystalline silicon solar cell module with high photoelectric conversion rate |
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| CN (1) | CN210073878U (en) |
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- 2019-05-24 CN CN201920768212.2U patent/CN210073878U/en active Active
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