CN107819047B - A kind of solar energy photovoltaic component - Google Patents
A kind of solar energy photovoltaic component Download PDFInfo
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- CN107819047B CN107819047B CN201711024126.2A CN201711024126A CN107819047B CN 107819047 B CN107819047 B CN 107819047B CN 201711024126 A CN201711024126 A CN 201711024126A CN 107819047 B CN107819047 B CN 107819047B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The present invention relates to field of photovoltaic power generation, a kind of solar photovoltaic assembly that photon utilization rate and output power can be improved is provided, it from top to bottom include glassy layer, several cell pieces and photovoltaic back of spaced array arrangement, the glassy layer, it is linked together between several cell pieces and photovoltaic back of spaced array arrangement by EVA adhesive film, the bottom surface of the photovoltaic back is equipped with one layer of reflective insulation layer, the position that the upper surface of the reflective insulation layer corresponds to each cell piece is equipped with accommodation groove, fluorescent powder is equipped in the accommodation groove, the reflective insulation layer includes the raw material of following parts by weight: 20 ~ 25 parts by weight of silicone powder, reflect 85 ~ 100 parts by weight of powder, 30 ~ 45 parts by weight of fluorescent powder, 20 ~ 25 parts by weight of acrylic acid powder, 15 ~ 20 parts of resin of Gai Fen Chuo, borosilicate glass pearl 35 ~ 40 Parts by weight, 6 ~ 10 parts by weight of dispersing agent, water 50-55 parts by weight, 150-200 parts of elastic emulsion, 10 ~ 15 parts by weight of auxiliary material are equipped with triangle reflecting layer between the adjacent cell piece, and the surface in the triangle reflecting layer is equipped with a groove.
Description
The application be on May 13rd, 2016 the Chinese applying date, it is entitled " a kind of application No. is 201610323219.4
The divisional application of solar photovoltaic assembly ".
Technical field
The present invention relates to field of photovoltaic power generation, in particular to a kind of solar energy photovoltaic component.
Background technique
Solar photovoltaic generation system (abbreviation photovoltaic) be it is a kind of using photovoltaic effect and solar energy is directly turned
The system for turning to electric energy, the main component of photoelectric conversion are crystal silicon photovoltaic cells, when solar irradiation to crystalline silicon photovoltaic electricity
When on pond, crystal silicon photovoltaic cell will become the luminous energy of the sun electric energy, generate electric current.Currently, photovoltaic module mainly includes
Glassy layer, front adhesive film, several cell pieces, rear layer glue film and the photovoltaic back of spaced array arrangement, the glassy layer, front layer glue
Film, several cell pieces, rear layer glue film and photovoltaic back are successively glued, in order to improve the generating efficiency of photovoltaic module, it is desirable to reduce
The reflection of assembly surface sunlight improves the photoelectric conversion efficiency of solar battery to increase the irradiation level of component.Existing skill
In art, following methods: 1, anti-reflection coated glass are generally used: utilizing in surface layer of glass coating antireflective film, so that sunlight be made to subtract
Few reflection to photovoltaic module increases absorption of the photovoltaic module to illumination, to increase component power and generated energy;2, ultra-thin glass
Glass: reducing the thickness of component face glass, to increase sunlight Penetration ration, reduces illumination refractive index, enhances irradiation intensity;It is above-mentioned
Method needs to change the structure of photovoltaic module, and the photovoltaic module to conventional structure is simultaneously not suitable for;And change the structure of photovoltaic module
It will increase production cost, and since sunlight is made of the light of different wavelength, different wave length has different photon energies
, only photon energy can just be absorbed and then generate electricity greater than the band gap of single junction cell material, if photon energy is less than Dan Jinjie
The band gap of battery material be can permeable material, right more concatenated cell pieces of knot because every batteries piece is not infinite thickness, because
This can not absorb the sunlight that all photon energies are greater than single junction cell band gap, still can some sunlight transmission electricity
On pond to backboard, while influencing the generating efficiency of photovoltaic module, if solar components are generally mounted to top of building,
Effect heat-insulated well can't be played.
Therefore, in order to further increase the generating efficiency of photovoltaic module, the reality that China Patent No. is 201220404358.7
A kind of solar energy photovoltaic component is disclosed with novel, if the dry cell including glassy layer, front adhesive film, spaced array arrangement
Piece, rear layer glue film and photovoltaic back, the glassy layer, front adhesive film, several cell pieces, rear layer glue film and photovoltaic back successively glue
It closes, the photovoltaic back includes by the mirror-reflection portion of cell piece covering and positioned at the diffusing reflection portion in cell piece gap.The sun
Photon utilization rate and output power can be improved in energy photovoltaic module.Its mirror-reflection portion 51 is in the photovoltaic back covered by cell piece 3
It is zinc-plated on plate 5, and become mirror-reflection portion 51.The photovoltaic back of pass volt component includes the mirror-reflection covered by cell piece
Portion and diffusing reflection portion positioned at cell piece gap, therefore, light are injected from glassy layer, and the light being incident on cell piece is utilized,
The light of partial penetration cell piece is reflected and utilized again by photovoltaic back simultaneously, so that the generating efficiency of photovoltaic module is improved,
But it is bad that its reflecting effect of the mirror-reflection portion of formation is only plated on backboard 5, and it is set between backboard and rear layer glue film,
Layer glue film is easy to spill over the front in mirror-reflection portion afterwards, forms partial occlusion, influences the reflecting effect in mirror-reflection portion 51,
Reduce generating efficiency.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes a kind of photovoltaic group that photon utilization rate and output power can be improved
Part.
To solve this technical problem, the present invention takes following scheme: a kind of solar energy photovoltaic component from top to bottom wraps
Several cell pieces and photovoltaic back of glassy layer, spaced array arrangement are included, if the dry cell of the glassy layer, spaced array arrangement
It being linked together between piece and photovoltaic back by EVA adhesive film, the bottom surface of the photovoltaic back is equipped with one layer of reflective insulation layer,
The position that the upper surface of the reflective insulation layer corresponds to each cell piece is equipped with accommodation groove, is equipped with fluorescent powder, institute in the accommodation groove
The raw material that reflective insulation layer includes following parts by weight: 20 ~ 25 parts by weight of silicone powder is stated, 85 ~ 100 parts by weight of powder, fluorescence are reflected
30 ~ 45 parts by weight of powder, 20 ~ 25 parts by weight of acrylic acid powder, 15 ~ 20 parts of resin of Gai Fen Chuo, 35 ~ 40 weight of borosilicate glass pearl
Part, 6 ~ 10 parts by weight of dispersing agent, water 50-55 parts by weight, 150-200 parts of elastic emulsion, 10 ~ 15 parts by weight of auxiliary material are adjacent described
Triangle reflecting layer is equipped between cell piece, the surface in the triangle reflecting layer is equipped with a groove.
Further improved to be: the reflective insulation layer includes the raw material of following parts by weight: 20 parts by weight of silicone powder, instead
Penetrate 85 parts by weight of powder, 30 parts by weight of fluorescent powder, 20 parts by weight of acrylic acid powder, 15 parts of resin of Gai Fen Chuo, borosilicate glass pearl
35 parts by weight, 6 parts by weight of dispersing agent, 50 parts by weight of water, 150 parts of elastic emulsion, 10 parts by weight of auxiliary material.
Further improved to be: the reflective insulation layer includes the raw material of following parts by weight: 25 parts by weight of silicone powder, instead
Penetrate 100 parts by weight of powder, 45 parts by weight of fluorescent powder, 25 parts by weight of acrylic acid powder, 20 parts of resin of Gai Fen Chuo, borosilicate glass pearl
40 parts by weight, 10 parts by weight of dispersing agent, 55 parts by weight of water, 200 parts of elastic emulsion, 15 parts by weight of auxiliary material.
Further improved to be: the reflective insulation layer includes the raw material of following parts by weight: 23 parts by weight of silicone powder, instead
Penetrate 95 parts by weight of powder, 38 parts by weight of fluorescent powder, 22 parts by weight of acrylic acid powder, 18 parts of resin of Gai Fen Chuo, borosilicate glass pearl
38 parts by weight, 8 parts by weight of dispersing agent, 52 parts by weight of water, 180 parts of elastic emulsion, 12 parts by weight of auxiliary material.
Further improved to be: the reflection powder is composed of the following raw materials in parts by weight: 20 ~ 35 parts by weight of cupric oxide powder,
30 ~ 40 parts by weight of silicon rubber, 85 ~ 100 parts by weight of titanium dioxide, 35 ~ 45 parts by weight of far-infared ceramic powder, 40 ~ 55 weight of manganese dioxide
Measure part.
Further improved to be: the Gai Fen Chuo resin is the phenol aldehyde modified phenolic resin of polyvinyl alcohol.
It is further improved to be: the auxiliary material include 2 parts by weight of propylene glycol, 5 parts by weight of defoaming agent, 5 parts by weight of thickener,
5 parts by weight of auxiliary rheological agents, 5 parts by weight of mould inhibitor, 5 parts by weight of coalescing agent.
Further improved to be: the elastic emulsion is Pure acrylic ester elastic emulsion.
By using preceding solution, the beneficial effects of the present invention are: the bottom surface of the photovoltaic back is equipped with one layer
Reflective insulation layer is provided with reflective insulation layer in bottom, so that the light of partial penetration cell piece is by the anti-of photovoltaic back bottom
Be utilized again after penetrating thermal insulation layer reflection, improve photoelectric conversion efficiency, to improve the generating efficiency of photovoltaic module, reflection every
Thermosphere directly applies and sticks at backboard bottom surface, avoids the front that specular layer is spilt on rear layer glue film, forms partial occlusion, shadow
The phenomenon that ringing the reflection in mirror-reflection portion.The position that the upper surface of the reflective insulation layer corresponds to each cell piece is equipped with accommodation groove,
It is equipped with fluorescent powder in the accommodation groove, makes cell piece when absorbing sunlight, fluorescent powder can be big on cell piece surface penetrating
It is transformed into the solar cell spectrum of short wavelength in the solar spectrum of 1.2 micron fractions, so that being incident on the sunlight on cell piece
It is utilized completely, widens the range that cell piece absorbs sunlight, be greatly improved the photoelectric conversion efficiency of solar cell.
Further, reflective insulation layer of the present invention joined borosilicate glass pearl in formula, mentioned using specific formula
High heat reflectivity and radiation insulation effect, and there is heat transfer barrier action, the thermal coefficient of class coating material is reduced, to rise
To heat-insulated cooling effect, solar components are installed on top of building, effect heat-insulated well can be played, while because of boron
Silicate glass pearl and other raw material bond effects are bad, and the present invention also joined Gai Fen Chuo resin part in formula and can be improved
The cohesive force of each material and borosilicate glass pearl improves using effect, joined fluorescent powder in formula, further can be penetrating
The solar spectrum greater than 1.2 micron fractions on cell piece surface is transformed into the solar cell spectrum of short wavelength, so that incident
Sunlight on to cell piece is utilized completely, further improves the photoelectric conversion efficiency of cell piece.The present invention also exists simultaneously
It joined elastic emulsion in formula and further improve heat-insulated, reflecting effect, improve the adhesive force of raw material.
Detailed description of the invention
Fig. 1 is one structural schematic diagram of the embodiment of the present invention.
Specific embodiment
Now in conjunction with the drawings and specific embodiments, the present invention is further described.
Embodiment one:
With reference to Fig. 1, the present embodiment discloses a kind of solar energy photovoltaic component, from top to bottom includes glassy layer 1, interval battle array
Arrange several cell pieces 2 and photovoltaic back 3 of arrangement, several cell pieces 2 and photovoltaic back of the glassy layer 1, spaced array arrangement
It is bonded together between plate 3 by EVA adhesive film 4, the bottom surface of the photovoltaic back 1 is equipped with one layer of reflective insulation layer 5, in bottom
Be provided with reflective insulation layer so that the light of partial penetration cell piece by photovoltaic back bottom reflective insulation layer reflect after again
It is secondary to be utilized, photoelectric conversion efficiency is improved, to improve the generating efficiency of photovoltaic module, reflective insulation layer directly applies and sticks at backboard
Bottom surface avoids the front that specular layer is spilt on rear layer glue film, forms partial occlusion, influences the reflection in mirror-reflection portion
The phenomenon that.The position that the upper surface of the reflective insulation layer 5 corresponds to each cell piece 2 is equipped with accommodation groove, glues and sets in the accommodation groove
There is fluorescent powder 26, make cell piece when absorbing sunlight, fluorescent powder can be greater than 1.2 microns of portions on cell piece surface penetrating
The solar spectrum divided is transformed into the solar cell spectrum of short wavelength, so that the sunlight being incident on cell piece is utilized completely,
The range that cell piece absorbs sunlight is widened, the photoelectric conversion efficiency of solar cell is greatly improved.The adjacent cell piece it
Between be equipped with triangle reflecting layer 6, the surface in the triangle reflecting layer is equipped with a groove 61.It is injected between each cell piece gap
Light by triangle reflecting layer again glassy layer reflection enter on cell piece, in this way, be achieved that light utilization most
Bigization improves the utilization rate of photon and the output power of photovoltaic module, and groove can further increase light reflectance, organic
20 parts by weight of silicon powder, reflection 85 parts by weight of powder, 30 parts by weight of fluorescent powder, 20 parts by weight of acrylic acid powder, polyvinyl alcohol are phenol aldehyde modified
15 parts of phenolic resin, 35 parts by weight of borosilicate glass pearl, 6 parts by weight of dispersing agent, 50 parts by weight of water, pure acrylic acid ester elastomer cream
150 parts of liquid, 10 parts by weight of auxiliary material.
The reflection powder is composed of the following raw materials in parts by weight, 20 parts by weight of cupric oxide powder, 30 parts by weight of silicon rubber, titanium white
85 parts by weight of powder, 35 parts by weight of far-infared ceramic powder, 40 parts by weight of manganese dioxide.
The auxiliary material includes 2 parts by weight of propylene glycol, 5 parts by weight of defoaming agent, 5 parts by weight of thickener, 5 weight of auxiliary rheological agents
Part, 5 parts by weight of mould inhibitor, 5 parts by weight of coalescing agent.
Reflective insulation layer of the present invention joined borosilicate glass pearl in formula, improved heat using specific formula
Reflectivity and radiation insulation effect, and there is heat transfer barrier action, the thermal coefficient of class coating material is reduced, to play heat-insulated
Cooling effect, solar components are installed on top of building, heat-insulated effect well can be played, while because of borosilicate
Bead and other raw material bond effects are bad, and the present invention also joined Gai Fen Chuo resin part in formula can be improved each material
With the cohesive force of borosilicate glass pearl, using effect is improved, joined fluorescent powder in formula, it further can be penetrating in battery
The solar spectrum greater than 1.2 micron fractions on piece surface is transformed into the solar cell spectrum of short wavelength, so that being incident on battery
The sunlight of on piece is utilized completely, further improves the photoelectric conversion efficiency of cell piece.While the present invention is also in formula
It joined elastic emulsion and further improve heat-insulated, reflecting effect, improve the adhesive force of raw material.
Embodiment two:
The structure and previous embodiments of the embodiment solar photovoltaic assembly, it is different to be: the reflective insulation
Layer includes the raw material of following parts by weight: 25 parts by weight of silicone powder, reflects 100 parts by weight of powder, 45 parts by weight of fluorescent powder, acrylic acid
25 parts by weight of powder, 20 parts of resin of Gai Fen Chuo, 40 parts by weight of borosilicate glass pearl, 10 parts by weight of dispersing agent, 55 parts by weight of water,
200 parts of Pure acrylic ester elastic emulsion, 15 parts by weight of auxiliary material.
The reflection powder is composed of the following raw materials in parts by weight, 35 parts by weight of cupric oxide powder, 40 parts by weight of silicon rubber, titanium white
100 parts by weight of powder, 45 parts by weight of far-infared ceramic powder, 55 parts by weight of manganese dioxide.
The auxiliary material includes propylene glycol parts by weight 5,8 parts by weight of defoaming agent, 8 parts by weight of thickener, 10 weight of auxiliary rheological agents
Part, 10 parts by weight of mould inhibitor, 10 parts by weight of coalescing agent.
Embodiment three: the structure and previous embodiments of the embodiment solar photovoltaic assembly, it is different to be: described
Reflective insulation layer includes the raw material of following parts by weight: 23 parts by weight of silicone powder, reflects 95 parts by weight of powder, 38 weight of fluorescent powder
Part, 22 parts by weight of acrylic acid powder, 18 parts of the phenol aldehyde modified phenolic resin of polyvinyl alcohol, 38 parts by weight of borosilicate glass pearl, dispersion
8 parts by weight of agent, 52 parts by weight of water, 180 parts of Pure acrylic ester elastic emulsion, 12 parts by weight of auxiliary material.
The reflection powder is composed of the following raw materials in parts by weight, 28 parts by weight of cupric oxide powder, 35 parts by weight of silicon rubber, titanium white
90 parts by weight of powder, 40 parts by weight of far-infared ceramic powder, 42 parts by weight of manganese dioxide.
The auxiliary material includes propylene glycol parts by weight 3,7 parts by weight of defoaming agent, 6 parts by weight of thickener, 8 weight of auxiliary rheological agents
Part, 7 parts by weight of mould inhibitor, 8 parts by weight of coalescing agent.
The foregoing descriptions are merely the embodiment using this origination techniques content, any those skilled in the art use this wound
Make done modifications and changes, all belong to the scope of the patents of this creation opinion, and is not limited to those disclosed embodiments.
Claims (8)
1. a kind of solar energy photovoltaic component, it is characterised in that: from top to bottom arranged including glassy layer, spaced array several
Cell piece and photovoltaic back, the glassy layer, spaced array arrangement several cell pieces and photovoltaic back between pass through EVA adhesive film
It links together, the bottom surface of the photovoltaic back is equipped with one layer of reflective insulation layer, and the upper surface of the reflective insulation layer is corresponding
The position of each cell piece is equipped with accommodation groove, is equipped with fluorescent powder in the accommodation groove, the reflective insulation layer includes following parts by weight
Raw material: 20 ~ 25 parts by weight of silicone powder, reflect 85 ~ 100 parts by weight of powder, 30 ~ 45 parts by weight of fluorescent powder, acrylic acid powder 20 ~ 25
Parts by weight, 15 ~ 20 parts of resin of Gai Fen Chuo, 35 ~ 40 parts by weight of borosilicate glass pearl, 6 ~ 10 parts by weight of dispersing agent, water 50-55
Parts by weight, 150-200 parts of elastic emulsion, 10 ~ 15 parts by weight of auxiliary material are equipped with triangle reflecting layer between the adjacent cell piece,
The surface in the triangle reflecting layer is equipped with a groove.
2. a kind of solar energy photovoltaic component according to claim 1, it is characterised in that: the reflective insulation layer includes
The raw material of following parts by weight: 20 parts by weight of silicone powder reflect 85 parts by weight of powder, 30 parts by weight of fluorescent powder, 20 weight of acrylic acid powder
Amount part, 15 parts of resin of Gai Fen Chuo, 35 parts by weight of borosilicate glass pearl, 6 parts by weight of dispersing agent, 50 parts by weight of water, elasticity cream
150 parts of liquid, 10 parts by weight of auxiliary material.
3. a kind of solar energy photovoltaic component according to claim 1, it is characterised in that: the reflective insulation layer includes
The raw material of following parts by weight: 25 parts by weight of silicone powder reflect 100 parts by weight of powder, 45 parts by weight of fluorescent powder, 25 weight of acrylic acid powder
Amount part, 20 parts of resin of Gai Fen Chuo, 40 parts by weight of borosilicate glass pearl, 10 parts by weight of dispersing agent, 55 parts by weight of water, elasticity cream
200 parts of liquid, 15 parts by weight of auxiliary material.
4. a kind of solar energy photovoltaic component according to claim 1, it is characterised in that: the reflective insulation layer includes
The raw material of following parts by weight: 23 parts by weight of silicone powder reflect 95 parts by weight of powder, 38 parts by weight of fluorescent powder, 22 weight of acrylic acid powder
Amount part, 18 parts of resin of Gai Fen Chuo, 38 parts by weight of borosilicate glass pearl, 8 parts by weight of dispersing agent, 52 parts by weight of water, elasticity cream
180 parts of liquid, 12 parts by weight of auxiliary material.
5. a kind of solar energy photovoltaic component according to Claims 2 or 3 or 4, it is characterised in that: the reflection powder by
The raw material composition of following parts by weight: 20 ~ 35 parts by weight of cupric oxide powder, 30 ~ 40 parts by weight of silicon rubber, 85 ~ 100 weight of titanium dioxide
Part, 35 ~ 45 parts by weight of far-infared ceramic powder, 40 ~ 55 parts by weight of manganese dioxide.
6. a kind of solar energy photovoltaic component according to Claims 2 or 3 or 4, it is characterised in that: the Gai Fen Chuo
Resin is the phenol aldehyde modified phenolic resin of polyvinyl alcohol.
7. a kind of solar energy photovoltaic component according to claim 1, it is characterised in that: the auxiliary material includes propylene glycol
2 parts by weight, 5 parts by weight of defoaming agent, 5 parts by weight of thickener, 5 parts by weight of auxiliary rheological agents, 5 parts by weight of mould inhibitor, 5 weight of coalescing agent
Measure part.
8. a kind of solar energy photovoltaic component according to claim 1, it is characterised in that: the elastic emulsion is pure C
Olefin(e) acid ester elastomer lotion.
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CN201711024126.2A CN107819047B (en) | 2016-05-13 | 2016-05-13 | A kind of solar energy photovoltaic component |
CN201610323219.4A CN105895719B (en) | 2016-05-13 | 2016-05-13 | A kind of solar photovoltaic assembly |
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TWI661668B (en) * | 2017-07-25 | 2019-06-01 | 海力雅集成股份有限公司 | Solar module |
CN109448600B (en) * | 2018-12-28 | 2020-12-18 | 广东恒玻工程玻璃有限公司 | Special effect glass |
CN113527961A (en) * | 2021-07-15 | 2021-10-22 | 南通强生光电科技有限公司 | Preparation and application of coating for enhancing output power of solar power generation panel |
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JPH10110670A (en) * | 1996-10-04 | 1998-04-28 | Nippon Telegr & Teleph Corp <Ntt> | Solar light and heat compound generation device |
JP4903314B2 (en) * | 2001-03-30 | 2012-03-28 | 京セラ株式会社 | Thin film crystalline Si solar cell |
CN101295742A (en) * | 2007-03-29 | 2008-10-29 | 罗维鸿 | Reinforced light conversion film of optical energy battery |
WO2009110688A2 (en) * | 2008-03-06 | 2009-09-11 | Jang Gum Sik | Solar light power generator |
CN101656275B (en) * | 2009-09-08 | 2012-01-04 | 厦门市三安光电科技有限公司 | Preparation method of chip of flip chip type multijunction compound solar cell |
WO2011118109A1 (en) * | 2010-03-23 | 2011-09-29 | 株式会社朝日ラバー | Flexible reflective substrate, manufacturing method for same, and base material composition for use in reflective substrate |
CN201773850U (en) * | 2010-08-04 | 2011-03-23 | 陈铭吉 | Multi-layered glass with electricity generating and heat insulating functions |
GB2491091A (en) * | 2011-04-19 | 2012-11-28 | Gm Innovations Ltd | A solar panel with corrugated transparent layer for reflecting and concentrating incoming light |
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JP2014067925A (en) * | 2012-09-26 | 2014-04-17 | Toshiba Corp | Solar battery module |
CN103066142A (en) * | 2013-01-29 | 2013-04-24 | 江苏晨电太阳能光电科技有限公司 | Solar battery pack with thermal insulation construction |
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Effective date of registration: 20230721 Address after: No. 11, Nanbu Road, Industrial Concentration Zone, Zhangzhu Town, Yixing City, Wuxi City, Jiangsu Province, 214231 Patentee after: Wuxi Taineng Photoelectric Co.,Ltd. Address before: 528451 block a, Nanhe Road, the second industrial zone, Nanlang Town, Zhongshan City, Guangdong Province Patentee before: GUANGDONG DAYUE NEW ENERGY TECHNOLOGY Co.,Ltd. |