CN104980104A - Solar cell module - Google Patents
Solar cell module Download PDFInfo
- Publication number
- CN104980104A CN104980104A CN201510349841.8A CN201510349841A CN104980104A CN 104980104 A CN104980104 A CN 104980104A CN 201510349841 A CN201510349841 A CN 201510349841A CN 104980104 A CN104980104 A CN 104980104A
- Authority
- CN
- China
- Prior art keywords
- battery
- solar module
- backboard
- eva
- vinyl acetate
- 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.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 28
- 239000010439 graphite Substances 0.000 claims abstract description 28
- 239000004411 aluminium Substances 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- 239000005341 toughened glass Substances 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 5
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 26
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 26
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 claims description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 9
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 9
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 3
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 229920001577 copolymer Polymers 0.000 abstract 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/052—Cooling means directly associated or integrated with the PV cell, e.g. integrated Peltier elements for active cooling or heat sinks directly associated with the PV cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
-
- 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
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a solar cell module. The solar cell module comprises toughened glass, an upper-layer ethane-vinyl acetate copolymer (EVA), a battery, a lower-layer ethane-vinyl acetate copolymer (EVA) and a backboard, which are all laminated together in sequence. An aluminium frame is disposed around the assembly to fix the assembly. A conjunction box connected to the positive and negative electrodes of the battery is disposed outside the backboard. A graphite heat conduction membrane is disposed between the battery and the lower-layer ethane-vinyl acetate copolymer (EVA) and the backboard. Compared with the prior art, the solar cell module has the following beneficial effects: the graphite heat conduction membrane, disposed between the battery and the lower-layer ethane-vinyl acetate copolymer (EVA) and the backboard, has the superhigh heat conduction performance, can conduct heat of the battery during a power generating process and also uniformly redistributes heat of the battery, therefore, hot spot effects of the battery are minimized, the photoelectric conversion efficiency of the solar battery is improved, and then the power generating capacity of the module is increased.
Description
Technical field
The present invention relates to solar module technical field, particularly relate to a kind of novel solar module.
Background technology
Solar module is the core in solar power system, and its effect converts solar energy into electrical energy, and is then sent in storage battery by electricity and stores, or promotes loaded work piece.
Solar cell is that one absorbs solar radiant energy effectively, utilize photovoltaic effect that transform light energy is become the device of electric energy, when solar irradiation is in semiconductor P-N junction (P-N Junction), form new hole-electron to (V-E pair), under the effect of P-N junction electric field, hole flows to P district by N district, and electronics flows to N district by P district, just forms electric current after connecting circuit.
As shown in Figure 1, conventional solar cells assembly is made up of the toughened glass 1 ' of sequentially stacked setting, upper strata ethylene-vinyl acetate copolymer (EVA) 2 ', battery pack 3 ', lower floor's ethylene-vinyl acetate copolymer (EVA) 4 ' and backboard 5 ', surrounding puts aluminium frame 6 ' and is adhesively fixed with silica gel, the terminal box 7 ' that one connects the both positive and negative polarity of battery pack installed outward by backboard 5 ', the solar battery group 3 ' acting as protection component internal of toughened glass 1 ', ensures that sunlight is transmitted on battery simultaneously; EVA4 ' is used for boning fixing toughened glass 1 ' and solar battery group 3 '; The effect of battery pack 3 ' is exactly convert solar energy into electrical energy; The effect of backboard 5 ' is by component sealing, Assurance component insulation and waterproof; Aluminium frame 6 ' is used for protecting assembly to play certain sealing, supporting role; Terminal box 7 ' is used for coupling assembling and assembly, improves the generated output of solar power station.
Solar-electricity stands in running, because battery component will accept the radiation of sunlight, and the reason of self generating simultaneously, cause assembly to produce very large heat, self-temperature is very high; And the output of temperature to solar module power has a great impact, when solar module temperature is higher, work efficiency drop, along with the increase of solar cell temperature, open circuit voltage reduces, 20-100 DEG C of scope, approximately often raise 1 DEG C, the voltage of every sheet battery reduces 2mV.Generally speaking, temperature raises, the power drop of solar cell, and typical temperature coefficient is-0.35%/DEG C.That is, if solar cell temperature often raises 1 DEG C, then power reduces 0.35%.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of temperature that can reduce cell piece in assembly operating process, promotes the photoelectric conversion efficiency of cell piece, and then the solar module of the energy output of lifting subassembly,
In order to solve the problems of the technologies described above, the invention provides a kind of solar module, comprise the toughened glass of sequentially stacked setting, upper strata ethylene-vinyl acetate copolymer (EVA), battery pack, lower floor's ethylene-vinyl acetate copolymer (EVA) and backboard, assembly surrounding puts aluminium frame and fixes, the terminal box of both positive and negative polarity that one connects battery pack installed outward by backboard, described battery pack and be provided with graphite guide hotting mask between lower floor's ethylene-vinyl acetate copolymer (EVA) and backboard.
As the improvement of such scheme, described toughened glass is the ultrawhite tempering coated glass that light transmittance is greater than more than 90%.
As the improvement of such scheme, described battery pack is crystal silicon battery group or hull cell group.
As the improvement of such scheme, described crystal silicon battery group is monocrystalline silicon battery group or polycrystal silicon cell group.
As the improvement of such scheme, described polycrystal silicon cell group welds together into 6*10 or 6*12 array by crystal silicon battery.
As the improvement of such scheme, described graphite guide hotting mask is graphene layers or graphite composite bed.
As the improvement of such scheme, described graphite composite bed is composited by graphite linings and PETG (PET) film or forms by gluing is bonding.
As the improvement of such scheme, described PETG (PET) film is two-layer, and graphite linings is positioned between two-layer PETG (PET).
As the improvement of such scheme, PETG (PET) film of described graphite composite bed near battery pack side is white.
As the improvement of such scheme, described backboard is polyvinyl fluoride composite membrane (TPT) or thermoplastic elastomer (TPE) (TPE).
Compared with prior art, the present invention has following beneficial effect: the present invention is provided with graphite guide hotting mask in described battery pack and between lower floor's ethylene-vinyl acetate copolymer (EVA) and backboard, because graphite guide hotting mask has the heat conductivility of superelevation, thermal resistance is lower than aluminium by 40%, lower than copper by 20%, and weight ratio aluminium is light by 25%, lighter than copper by 75%, be applicable to very much adding in assembly, the heat conduction of battery pack in power generation process can be gone out by it, the even heat of battery pack itself is distributed again simultaneously, reduce the hot spot effect of battery pack, promote the photoelectric conversion efficiency of solar cell, and then the energy output of lifting subassembly.
Accompanying drawing explanation
Fig. 1 is the solar module structure chart of current industry;
Fig. 2 is a kind of solar module structure chart of the present invention;
Fig. 3 is the structural representation of graphite composite bed.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1 to Figure 3, the invention provides a kind of solar module, comprise the toughened glass 1 of sequentially stacked setting, upper strata ethylene-vinyl acetate copolymer (EVA) 2, battery pack 3, lower floor's ethylene-vinyl acetate copolymer (EVA) 4 and backboard 5, assembly surrounding puts aluminium frame 7 and fixes, backboard 5 is outer installs the terminal box 7 that connects the both positive and negative polarity of battery pack 3, battery pack 3 and be provided with graphite guide hotting mask 8 between lower floor's ethylene-vinyl acetate copolymer (EVA) 4 and backboard 5.Toughened glass 1 is greater than the ultrawhite tempering coated glass of more than 90% for light transmittance.
As the improvement of such scheme, battery pack 3 is crystal silicon battery group or hull cell group, and crystal silicon battery group is monocrystalline silicon battery group or polycrystal silicon cell group; Polycrystal silicon cell group welds together into 6*10 or 6*12 array by crystal silicon battery.
As the improvement of such scheme, graphite guide hotting mask 8 is graphene layers or graphite composite bed, and graphite composite bed is composited by graphite linings 81 and PETG (PET) film 82 or forms by gluing is bonding; PETG (PET) film 82 is two-layer, graphite linings 81 is positioned between two-layer PETG (PET) 82, and PETG (PET) film 82 of graphite composite bed near battery pack side is white.
As the improvement of such scheme, backboard is polyvinyl fluoride composite membrane (TPT) or thermoplastic elastomer (TPE) (TPE).
Compared with prior art, the present invention has following beneficial effect: the present invention is provided with graphite guide hotting mask 8 in described battery pack 3 and between lower floor's ethylene-vinyl acetate copolymer (EVA) 4 and backboard 5, because graphite guide hotting mask 8 has the heat conductivility of superelevation, thermal resistance is lower than aluminium by 40%, lower than copper by 20%, and weight ratio aluminium is light by 25%, lighter than copper by 75%, be applicable to very much adding in assembly, the heat conduction of battery pack 3 in power generation process can be gone out by it, the even heat of battery pack 3 itself is distributed again simultaneously, reduce the hot spot effect of battery pack 3, promote the photoelectric conversion efficiency of solar cell, and then the energy output of lifting subassembly.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the claims in the present invention are done, still belong to the scope that the present invention is contained.
Claims (10)
1. a solar module, comprise the toughened glass of sequentially stacked setting, upper strata ethylene-vinyl acetate copolymer (EVA), battery pack, lower floor's ethylene-vinyl acetate copolymer (EVA) and backboard, assembly surrounding puts aluminium frame and fixes, the terminal box that one connects the both positive and negative polarity of battery pack installed outward by backboard, it is characterized in that, described battery pack and be provided with graphite guide hotting mask between lower floor's ethylene-vinyl acetate copolymer (EVA) and backboard.
2. a kind of solar module as claimed in claim 1, is characterized in that, described toughened glass is the ultrawhite tempering coated glass that light transmittance is greater than more than 90%.
3. a kind of solar module as claimed in claim 1, is characterized in that, described battery pack is crystal silicon battery group or hull cell group.
4. a kind of solar module as claimed in claim 3, is characterized in that, described crystal silicon battery group is monocrystalline silicon battery group or polycrystal silicon cell group.
5. a kind of solar module as claimed in claim 3, is characterized in that, described polycrystal silicon cell group welds together into 6*10 or 6*12 array by crystal silicon battery.
6. a kind of solar module as claimed in claim 1, is characterized in that, described graphite guide hotting mask is graphene layers or graphite composite bed.
7. a kind of solar module as claimed in claim 6, is characterized in that, described graphite composite bed is composited by graphite linings and PETG (PET) film or forms by gluing is bonding.
8. a kind of solar module as claimed in claim 6, is characterized in that, described PETG (PET) film is two-layer, and graphite linings is positioned between two-layer PETG (PET).
9. a kind of solar module as claimed in claim 7, is characterized in that, PETG (PET) film of described graphite composite bed near battery pack side is white.
10. a kind of solar module as claimed in claim 1, is characterized in that, described backboard is polyvinyl fluoride composite membrane (TPT) or thermoplastic elastomer (TPE) (TPE).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510349841.8A CN104980104A (en) | 2015-06-22 | 2015-06-22 | Solar cell module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510349841.8A CN104980104A (en) | 2015-06-22 | 2015-06-22 | Solar cell module |
Publications (1)
Publication Number | Publication Date |
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CN104980104A true CN104980104A (en) | 2015-10-14 |
Family
ID=54276277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201510349841.8A Pending CN104980104A (en) | 2015-06-22 | 2015-06-22 | Solar cell module |
Country Status (1)
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CN (1) | CN104980104A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105679871A (en) * | 2016-01-21 | 2016-06-15 | 江苏辉伦太阳能科技有限公司 | Photovoltaic module capable of radiating automatically |
CN117595783A (en) * | 2023-12-29 | 2024-02-23 | 无锡荷雨新能源科技有限公司 | Film belt type thermal management system for photovoltaic module and preparation method thereof |
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US20100186806A1 (en) * | 2009-01-26 | 2010-07-29 | Mitsubishi Electric Corporation | Photovoltaic module |
CN202487612U (en) * | 2012-01-06 | 2012-10-10 | 南通美能得太阳能电力科技有限公司 | Photovoltaic module with high thermal conductivity |
CN202513179U (en) * | 2012-04-09 | 2012-10-31 | 李晨 | Solar battery assembly |
CN102790101A (en) * | 2012-09-03 | 2012-11-21 | 山东力诺太阳能电力股份有限公司 | Solar photovoltaic photo-thermal integrated assembly |
CN202651158U (en) * | 2012-05-09 | 2013-01-02 | 华东理工大学 | Synergistic heat radiation solar cell assembly |
CN202888215U (en) * | 2012-11-01 | 2013-04-17 | 乐凯胶片股份有限公司 | Radiating solar battery back film |
CN103180967A (en) * | 2010-10-13 | 2013-06-26 | 金敏赫 | Back sheet of a solar cell module for photovoltaic power generation |
CN103872162A (en) * | 2014-03-18 | 2014-06-18 | 连云港神舟新能源有限公司 | Low-working-temperature solar cell module |
CN204011449U (en) * | 2014-06-20 | 2014-12-10 | 中南林业科技大学 | A kind of solar panel with graphene layer |
CN104241424A (en) * | 2014-09-19 | 2014-12-24 | 乐凯胶片股份有限公司 | Heat dissipation solar cell back membrane |
CN204131464U (en) * | 2014-09-30 | 2015-01-28 | 攀枝花大盛世纪新能源科技开发有限公司 | Solar energy optical-thermal complicated utilization device |
CN204794894U (en) * | 2015-06-22 | 2015-11-18 | 广东爱康太阳能科技有限公司 | Solar cell assembly |
-
2015
- 2015-06-22 CN CN201510349841.8A patent/CN104980104A/en active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
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US20100186806A1 (en) * | 2009-01-26 | 2010-07-29 | Mitsubishi Electric Corporation | Photovoltaic module |
CN103180967A (en) * | 2010-10-13 | 2013-06-26 | 金敏赫 | Back sheet of a solar cell module for photovoltaic power generation |
CN202487612U (en) * | 2012-01-06 | 2012-10-10 | 南通美能得太阳能电力科技有限公司 | Photovoltaic module with high thermal conductivity |
CN202513179U (en) * | 2012-04-09 | 2012-10-31 | 李晨 | Solar battery assembly |
CN202651158U (en) * | 2012-05-09 | 2013-01-02 | 华东理工大学 | Synergistic heat radiation solar cell assembly |
CN102790101A (en) * | 2012-09-03 | 2012-11-21 | 山东力诺太阳能电力股份有限公司 | Solar photovoltaic photo-thermal integrated assembly |
CN202888215U (en) * | 2012-11-01 | 2013-04-17 | 乐凯胶片股份有限公司 | Radiating solar battery back film |
CN103872162A (en) * | 2014-03-18 | 2014-06-18 | 连云港神舟新能源有限公司 | Low-working-temperature solar cell module |
CN204011449U (en) * | 2014-06-20 | 2014-12-10 | 中南林业科技大学 | A kind of solar panel with graphene layer |
CN104241424A (en) * | 2014-09-19 | 2014-12-24 | 乐凯胶片股份有限公司 | Heat dissipation solar cell back membrane |
CN204131464U (en) * | 2014-09-30 | 2015-01-28 | 攀枝花大盛世纪新能源科技开发有限公司 | Solar energy optical-thermal complicated utilization device |
CN204794894U (en) * | 2015-06-22 | 2015-11-18 | 广东爱康太阳能科技有限公司 | Solar cell assembly |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105679871A (en) * | 2016-01-21 | 2016-06-15 | 江苏辉伦太阳能科技有限公司 | Photovoltaic module capable of radiating automatically |
CN117595783A (en) * | 2023-12-29 | 2024-02-23 | 无锡荷雨新能源科技有限公司 | Film belt type thermal management system for photovoltaic module and preparation method thereof |
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Application publication date: 20151014 |
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