CN205335270U - Back of body contact solar cell's electrically conductive backsheet layer and battery pack - Google Patents

Back of body contact solar cell's electrically conductive backsheet layer and battery pack Download PDF

Info

Publication number
CN205335270U
CN205335270U CN201521087462.8U CN201521087462U CN205335270U CN 205335270 U CN205335270 U CN 205335270U CN 201521087462 U CN201521087462 U CN 201521087462U CN 205335270 U CN205335270 U CN 205335270U
Authority
CN
China
Prior art keywords
conductive
layer
electrically
backing plate
flaggy
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
Application number
CN201521087462.8U
Other languages
Chinese (zh)
Inventor
姚云江
孙翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN201521087462.8U priority Critical patent/CN205335270U/en
Application granted granted Critical
Publication of CN205335270U publication Critical patent/CN205335270U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/52PV systems with concentrators

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The utility model discloses a back of body contact solar cell's electrically conductive backsheet layer and battery pack should electrically conductive backsheet layer (3) include electrically -conductive backing plate (31) and be located latticed insulating layer (33) of electrically -conductive backing plate (31) top, electrically -conductive backing plate (31) are including the base plate layer and be located the surperficial metallic circuit layer in base plate layer, latticed insulating layer (33) are used for placing solar wafer and piercing through including parallel configuration's net mouth (333) and the partition of latticed insulating layer (33) reflector layer (331) of net mouth (333), electrically conductive backsheet layer (3) still including electrically conductive (32), should electrically conductive (32) be used for electrode that the electricity connects the solar wafer face of being shaded with the metallic circuit layer. Adopt the utility model discloses electrically conductive backsheet layer's back of the body contact solar module is with low costs and the reliability is high.

Description

The conductive back flaggy of a kind of back contact solar cell and battery component
Technical field
This utility model relates to area of solar cell, in particular it relates to the conductive back flaggy of a kind of back contact solar cell and battery component。
Background technology
Conventional crystalline silicon solar cell is typically all H type structure, battery tow sides have two to three symmetrical silver-colored main gate line to collect electric current, by welding manner, the both positive and negative polarity grid line welding of adjacent two panels cell piece positive and negative is welded, realize the series connection of cell piece, then adopt the mode of glass+EVA+ cell piece+EVA+ backboard or glass to be packaged into assembly。In process of production, owing to needs use welding welding, welding temperature is generally 300-380 degree to this conventional crystalline silicon solar cell, and thermal stress is easy to cause cell piece bending and broken。During series welding, need to being welded on by welding on the front and back electrode of adjacent cell sheet, welding difficulty be big, complex process simultaneously。Further, since cell piece front gate line and welding block the incident ray of about 8%, cell piece efficiency there is also certain loss。
Being different from conventional crystalline silicon solar cell, back contact solar cell enjoys photovoltaic market to pay close attention to the device architecture of its uniqueness, simple preparation technology, higher battery efficiency and the advantage such as attractive in appearance。This novel solar battery front does not have main gate line, and both positive and negative polarity is all in cell backside。Owing to battery front side does not have main gate line and welding to stop light, the complete light in cell piece front, improve cell photoelectric conversion efficiency。It addition, positive and negative electrode is distributed in the back side of cell piece, simplify welding procedure。
The encapsulation technology of this new and effective back contact solar cell includes the following two kinds:
The first is to use welding, the conducting resinl law temperature joining to realize between cell piece, then according to the packaged type of conventional crystalline silicon assembly adopts glass+EVA+ cell piece+EVA+ conventional backing plate/glass to be packaged。Adopt cost in this way low, it is to avoid because of the cell piece bending adopting high-temperature soldering to cause, broken and electric pole short circuit。
The second is to use conductive backings and the conducting resinl law temperature joining to realize between cell piece, adopts glass+EVA+ cell piece+EVA+ conductive backings to be packaged。The connected mode of this advanced person eliminates the welding procedure of welding, without because cell piece is caused damage by thermal stress。
The first method for packing is owing to welding is short, solder joint is few, solder joint is little, and cell piece is not easy location, welding operation difficulty。It addition, be only together in series with three very short weldings between cell piece, pad is little again, and this results in is laying the problem that battery strings process very easily occurs that solder joint disconnects and cell piece damages。
The second method for packing, owing to the conductive backings technology on photovoltaic module is not yet ripe, reliability is not high, and the manufacture method such as photoetching circuit and chemical attack is complicated, cost intensive。And the EVA that conductive backings face is laid needs positional punch, and must first by cell piece with conductive backings EVA pre-bonded together with locating batteries sheet, then turnover panel carries out laminated compenent, and these techniques are loaded down with trivial details, power consumption, and easy damage cell piece in the process of turnover panel。
Therefore, developing low-cost, the back contact battery component package technology of high reliability and product are the keys realizing back contact battery assembly industrialization。
Utility model content
The purpose of this utility model is to provide conductive back flaggy and the battery component of a kind of back contact solar cell, and this back contact solar cell assembly cost is low, and reliability is high, the good positioning effect of cell piece, is not likely to produce skew。
To achieve these goals, this utility model provides the conductive back flaggy of a kind of back contact solar cell, and wherein, this conductive back flaggy includes electrically-conductive backing plate and is positioned at the latticed insulating barrier above described electrically-conductive backing plate;Described electrically-conductive backing plate includes substrate layer and is positioned at the metal circuitry of substrate layer upper surface;Described latticed insulating barrier include laid out in parallel for placing solar battery sheet and penetrating the grid mouth of described latticed insulating barrier and separate the reflector layer of described grid mouth;Described conductive back flaggy also includes electric-conductor, and this electric-conductor is for electrically connecting the electrode of solar cell back bright finish and described metal circuitry。
Preferably, described electric-conductor is positioned at above electrically-conductive backing plate, and described electric-conductor electrically connects the electrode of solar cell back bright finish and described metal circuitry through the grid mouth of latticed insulating barrier。
Preferably, described reflector layer is provided with the insulation centring ring for positioning back contact solar cell sheet placement location with the region of solar battery sheet coincident。
Preferably, in described grid mouth on the upper surface of electrically-conductive backing plate or the side of described reflector layer or on described reflector layer upper surface region with the imbricate of the shady face of cell piece be provided with the insulation centring ring for positioning back contact solar cell sheet placement location。
Preferably, described reflector layer includes a plurality of orthogonal first reflective muscle and the second reflective muscle。
Preferably, the cross section of described first reflective muscle and the second reflective muscle is that drift angle is positioned at the triangle on electrically-conductive backing plate upper surface on upper, base。
Preferably, the base angle angle of described triangle is 15-85 °, and the drift angle of described triangle is the circular arc chamfering of 30-150 °。
Preferably, described metal circuitry is attached on described electrically-conductive backing plate by printing, plating, chemical vapour deposition (CVD), magnetron sputtering or direct stickup;Described electric-conductor is conducting resinl。
Preferably, described reflector layer is attached on described electrically-conductive backing plate by being coated with, print or spraying。
Preferably, the described insulation centring ring region by being coated with, print or spraying being close on the upper surface of described electrically-conductive backing plate, the side of reflector layer or the upper surface of reflector layer with the imbricate of the shady face of cell piece。
This utility model also provides for a kind of back contact solar cell assembly, including conductive back flaggy, and it is sequentially located at the first adhesive layer on this conductive back flaggy, cell piece group layer, the second adhesive layer and cover layer, it is characterized in that, described conductive back flaggy is conductive back flaggy provided by the utility model;Described cell piece group layer includes some solar battery sheets, and described solar battery sheet is positioned on the grid mouth of described latticed insulating barrier。
Preferably, described first adhesive layer being formed with the opening for the anelectrode and negative electrode holding described cell back bright finish, electric-conductor makes the anelectrode of cell back bright finish and negative electrode be formed with metal circuitry respectively and electrically connect through this opening。
Preferably, several solar battery sheets described are formed in series or in parallel by metal circuitry。
Compared with prior art, the back contact solar cell assembly that this utility model provides has the advantage that
Insulation centring ring is set and can accurately cell piece is positioned on the metal circuitry of electrically-conductive backing plate in assembling components process, the position of cell piece will not produce skew, it is easy to, accurately by adopting electric-conductor accurately to electrically connect between the electrode of the shady face of cell piece and metal circuitry, increase connection reliability。Insulation centring ring has completely cut off contacting of metal circuitry and cell piece marginal portion simultaneously, it is to avoid contingent battery short circuit。
Reflector layer covers the gap between cell piece, the light in cell piece gap is incided from cover plate, can reflect at reflector layer, light after reflection can incide the lower surface of cover layer and continue to reflex to utilization on cell piece, thus further increase the utilization rate of photon, improve the output of photovoltaic module。
Other feature and advantage of the present utility model will be described in detail in detailed description of the invention part subsequently。
Accompanying drawing explanation
Accompanying drawing is used to offer and is further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, but is not intended that restriction of the present utility model together with detailed description below。In the accompanying drawings:
Fig. 1 is the structural representation of this utility model a kind of detailed description of the invention of back contact solar cell assembly;
Fig. 2 is the structural representation of the partial cross section of this utility model a kind of detailed description of the invention of back contact solar cell assembly;
Fig. 3 is the top view of a kind of detailed description of the invention of this utility model conductive back flaggy。
Description of reference numerals
1 cover layer 2 cell piece group layer 3 conductive back flaggy
4 second adhesive layer 5 first adhesive layer 31 electrically-conductive backing plates
32 electric-conductor 33 latticed insulating barrier 331 reflector layer
332 insulation centring ring 333 grid mouths
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail。It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains this utility model, it is not limited to this utility model。
As shown in Figures 2 and 3, this utility model provides the conductive back flaggy of a kind of back contact solar cell, and wherein, this conductive back flaggy 3 includes electrically-conductive backing plate 31 and is positioned at the latticed insulating barrier 33 above described electrically-conductive backing plate 31;Described electrically-conductive backing plate 31 includes substrate layer and is positioned at the metal circuitry of substrate layer upper surface;Described latticed insulating barrier 33 include laid out in parallel for placing solar battery sheet and penetrating the grid mouth 333 of described latticed insulating barrier 33 and separate the reflector layer 331 of described grid mouth 333;Described conductive back flaggy 3 also includes electric-conductor 32, and this electric-conductor 32 is for electrically connecting the electrode of solar cell back bright finish and described metal circuitry;Wherein, substrate layer can be clear layer, is specifically as follows glass plate。
As it is shown on figure 3, grid mouth 333 is the space separated by reflector layer 331。As in figure 2 it is shown, a kind of detailed description of the invention is that grid mouth 333 is the space separated by the first reflective muscle and the second reflective muscle, is arranged in latticed insulating barrier 33。
Such as Fig. 3, electric-conductor 32 may be located at above electrically-conductive backing plate 31, specifically may be located at the upper surface of the metal circuitry of electrically-conductive backing plate, described electric-conductor 32 can pass the grid mouth 333 of latticed insulating barrier 33 and electrically connect the electrode of solar cell back bright finish and described metal circuitry。Electric-conductor 32 can be bar shaped, sheet-shaped, the linear or conductive material such as the copper of grid line shape, aluminum, silver and Graphene, the electrode and described metal circuitry that connect solar cell back bright finish can be adhered to, it is also possible to be directly sandwiched between electrically-conductive backing plate 31 and latticed insulating barrier 33 by the electric-conductor 32 of preparation molding by modes such as printing, plating, chemical vapour deposition (CVD), magnetron sputtering or direct stickups。
As shown in Figures 2 and 3, the region of described reflector layer 331 and solar battery sheet coincident can be provided with the insulation centring ring 332 for positioning back contact solar cell sheet placement location, preferably, in described grid mouth 333 on the upper surface of electrically-conductive backing plate 31 or described reflector layer 331 side or on described reflector layer 331 upper surface region with the imbricate of the shady face of cell piece can be provided with the insulation centring ring 332 for positioning back contact solar cell sheet placement location。The shape of insulation centring ring generally matches with the edge of solaode shady face, but can not cover the anelectrode of solaode and negative electrode and electric-conductor 32。Insulation centring ring 332 can be made by any insulant, as long as the position that naked eyes identification solaode is placed can be made, a kind of detailed description of the invention is: insulation centring ring is prepared by the macromolecular material containing filler, filler can be the material of carbon black or other color, and macromolecular material can be fluorocarbon resin, PDAIP, Kynoar, polyethylene, politef, fluorocarbon resin is polymer-modified, PDAIP is polymer-modified, polyvinylidene fluoride modified polymer, the combination of one or more of PE modified polymer and polytetrafluoroethylmodified modified polymer etc.。Described insulation centring ring 332 can pass through to be coated with, print or spray the region being close on the upper surface of described electrically-conductive backing plate 31, the side of reflector layer 331 or the upper surface of described reflector layer 331 with the imbricate of the shady face of cell piece。
Preferably, this insulation centring ring is positioned at the upper surface of reflector layer 331, and is located at the region of reflector layer 331 and the imbricate of cell back bright finish;This insulation centring ring 32 can be and reflector layer different colours, it is preferable that this insulation centring ring 32 is black, and namely this insulation centring ring 32 is the polymer material layer adding black filler;In encapsulation process, electrically-conductive backing plate is after covering the first adhesive layer, the negative electrode and the anelectrode that complete cell back bright finish accurately electrically connect with metal circuitry, difficulty is big, in the process, easily there is displacement in cell piece, reduce reliability of electrical connection, by arranging insulation centring ring on electrically-conductive backing plate in advance, especially when this insulation centring ring is the polymer material layer adding black filler, the location of cell piece can be accurately performed, improve the reliability of electrical connection between negative electrode and anelectrode and the metal circuitry of cell back bright finish;As shown in Figures 2 and 3, reflector layer 331 can not only play the effect of accommodation and fixing solaode, solaode is made to be in relatively fixed position in encapsulation process, and can also the incident ray above solaode be reflected in solaode, such as reflex to the lower surface of cover plate 1 and reflex to solar battery group layer 2 from cover plate 1 further, the incident light quantity making solaode increases, thus increasing the efficiency of solaode。
The shape of reflector layer 331, material and thickness, this utility model does not have special restriction, it can be the clear layer containing reflectorized material granule, such as contain the polymer material layer of white filler, white filler can be White Carbon black and titanium dioxide etc., and polymer material layer can be fluorocarbon resin layer, PDAIP layer, polyvinylidene fluoride layer, polyethylene layer, polytetrafluoroethylene floor, fluorocarbon resin modified poly nitride layer, PDAIP modified poly nitride layer, polyvinylidene fluoride modified polymeric layer, at least one in PE modified polymeric layer and polytetrafluoroethylmodified modified polymeric layer。Described reflector layer 331 can pass through to be coated with, print or spray to be attached on described electrically-conductive backing plate 31;Well-known to those skilled in the art it is, it is possible to controlled the shape of reflector layer by technique, another embodiment is, it is possible to after prepared by reflector layer 331 molding, then is pasted onto on electrically-conductive backing plate 31。
As shown in Figure 2, a kind of detailed description of the invention is, described reflector layer 331 can include a plurality of orthogonal first reflective muscle and the second reflective muscle, the cross section of described first reflective muscle and the second reflective muscle can be positioned at the triangle on electrically-conductive backing plate 31 upper surface for drift angle on upper, base, the base angle angle of triangle can be 15-85 °, it is preferably 30-70 °, it is more preferably about 60 °, the drift angle of triangle can be 30-150 °, it is preferably 45-90 °, more preferably the circular arc chamfering of about 60 °。
Metal circuitry in this utility model is well-known to those skilled in the art, for series connection and/or solar battery sheet in parallel, and by electric energy output produced by solar battery sheet, it can pass through printing, plating, chemical vapour deposition (CVD), magnetron sputtering or direct stickup and be attached on described electrically-conductive backing plate 31;Described electric-conductor 32 is arranged on above electrically-conductive backing plate, specifically can be arranged on the upper surface of metal circuitry for electrically connecting the negative electrode of battery shady face, anelectrode and metal circuitry。
Additionally, as depicted in figs. 1 and 2, this utility model also provides for a kind of back contact solar cell assembly, including conductive back flaggy 3, and it is sequentially located at the first adhesive layer 5 on this conductive back flaggy, cell piece group layer the 2, second adhesive layer 4 and cover layer 1, wherein, described conductive back flaggy 3 is conductive back flaggy 3 provided by the utility model;Described cell piece group layer 2 includes some solar battery sheets, and described solar battery sheet is positioned on the grid mouth 333 of described latticed insulating barrier 33。
The material of cover layer 1 can be photovoltaic glass, plated film anti reflection glass or matte anti-reflective glass, to improve the absorptance of battery component, reduces luminous reflectance;The material of adhesive layer can be EVA (ethylene-vinyl acetate copolymer), PVB (polyvinyl butyral resin), transparent silicon glue-line or polyolefin layer, has the features such as good light transmission, cold-resistant, heat-resisting and long service life;In cell piece group layer 2, cell piece is full back contact battery sheet, and namely positive and negative electrode is all at the shady face of cell piece。
Additionally, the structure of the first adhesive layer 5 and the second adhesive layer 4 is otherwise varied, described first adhesive layer 5 is generally formed with the opening for the anelectrode and negative electrode holding described cell back bright finish, now, electric-conductor 32 through the grid mouth of latticed insulating barrier and makes the anelectrode of cell back bright finish and negative electrode be formed with metal circuitry respectively and electrically connect through the opening on the first adhesive layer 5。Therefore, need just to be undertaken punching or opening by the first adhesive layer 5 according to the layout of this utility model conductive back flaggy 3 electric-conductor 32 in the preparation by the first adhesive layer 5, or by the first adhesive layer in time covering on conductive back flaggy 3 in the way of coating, control technique and reserve opening, so that positive and negative electrode contacts with electric-conductor 32。
Known to those skilled in the art, several solar battery sheets described can be formed in series or in parallel by metal circuitry。
In this utility model, when not making contrary explanation, the noun of locality of use typically refers to accompanying drawing up and down such as " upper and lower, left and right "。
Preferred implementation of the present utility model is described in detail above in association with accompanying drawing; but; this utility model is not limited to the detail in above-mentioned embodiment; in technology concept of the present utility model; the technical solution of the utility model can being carried out multiple simple variant, these simple variant belong to protection domain of the present utility model。
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by this utility model separately。
Additionally, can also carry out combination in any between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally。

Claims (13)

1. the conductive back flaggy of a back contact solar cell, it is characterised in that this conductive back flaggy (3) includes electrically-conductive backing plate (31) and is positioned at the latticed insulating barrier (33) of described electrically-conductive backing plate (31) top;
Described electrically-conductive backing plate (31) includes substrate layer and is positioned at the metal circuitry of substrate layer upper surface;
Described latticed insulating barrier (33) include laid out in parallel for placing solar battery sheet and penetrating the grid mouth (333) of described latticed insulating barrier (33) and separate the reflector layer (331) of described grid mouth (333);
Described conductive back flaggy (3) also includes electric-conductor (32), and this electric-conductor (32) is for electrically connecting the electrode of solar cell back bright finish and described metal circuitry。
2. conductive back flaggy according to claim 1, it is characterized in that, described electric-conductor (32) is positioned at electrically-conductive backing plate (31) top, and described electric-conductor (32) electrically connects the electrode of solar cell back bright finish and described metal circuitry through the grid mouth (333) of latticed insulating barrier (33)。
3. conductive back flaggy according to claim 1, it is characterised in that the region of described reflector layer (331) and solar battery sheet coincident is provided with the insulation centring ring (332) for positioning back contact solar cell sheet placement location。
4. conductive back flaggy according to claim 1, it is characterized in that, on the upper surface of the interior electrically-conductive backing plate of described grid mouth (333) (31) or on the upper surface of the side of described reflector layer (331) or described reflector layer (331) with the region of the imbricate of the shady face of cell piece, be provided with the insulation centring ring (332) for positioning back contact solar cell sheet placement location。
5. conductive back flaggy according to claim 1, it is characterised in that described reflector layer (331) includes a plurality of orthogonal first reflective muscle and the second reflective muscle。
6. conductive back flaggy according to claim 5, it is characterised in that the cross section of described first reflective muscle and the second reflective muscle is that drift angle is positioned at the triangle on electrically-conductive backing plate (31) upper surface on upper, base。
7. conductive back flaggy according to claim 6, it is characterised in that the base angle angle of described triangle is 15-85 °, the drift angle of described triangle is the circular arc chamfering of 30-150 °。
8. conductive back flaggy according to claim 1, it is characterised in that described metal circuitry is attached on described electrically-conductive backing plate (31) by printing, plating, chemical vapour deposition (CVD), magnetron sputtering or direct stickup;Described electric-conductor (32) is conducting resinl。
9. conductive back flaggy according to claim 1, it is characterised in that described reflector layer (331) is attached on described electrically-conductive backing plate (31) by being coated with, print or spraying。
10. the conductive back flaggy according to claim 3 or 4, it is characterized in that, the described insulation centring ring (332) region by being coated with, print or spraying being close on the upper surface of described electrically-conductive backing plate (31), the side of reflector layer (331) or the upper surface of reflector layer (331) with the imbricate of the shady face of cell piece。
11. a back contact solar cell assembly, including conductive back flaggy (3), and it is sequentially located at the first adhesive layer (5) on this conductive back flaggy, cell piece group layer (2), the second adhesive layer (4) and cover layer (1), it is characterized in that, described conductive back flaggy (3) is the conductive back flaggy (3) described in any one in claim 1-10;Described cell piece group layer (2) includes some solar battery sheets, and described solar battery sheet is positioned on the grid mouth (333) of described latticed insulating barrier (33)。
12. back contact solar cell assembly according to claim 11, it is characterized in that, being formed with the opening for the anelectrode and negative electrode holding described cell back bright finish on described first adhesive layer (5), electric-conductor (32) makes the anelectrode of cell back bright finish and negative electrode be formed with metal circuitry respectively and electrically connect through this opening。
13. back contact solar cell assembly according to claim 11, it is characterised in that several solar battery sheets described are formed in series or in parallel by metal circuitry。
CN201521087462.8U 2015-12-23 2015-12-23 Back of body contact solar cell's electrically conductive backsheet layer and battery pack Active CN205335270U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521087462.8U CN205335270U (en) 2015-12-23 2015-12-23 Back of body contact solar cell's electrically conductive backsheet layer and battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521087462.8U CN205335270U (en) 2015-12-23 2015-12-23 Back of body contact solar cell's electrically conductive backsheet layer and battery pack

Publications (1)

Publication Number Publication Date
CN205335270U true CN205335270U (en) 2016-06-22

Family

ID=56208755

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201521087462.8U Active CN205335270U (en) 2015-12-23 2015-12-23 Back of body contact solar cell's electrically conductive backsheet layer and battery pack

Country Status (1)

Country Link
CN (1) CN205335270U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109713072A (en) * 2019-01-10 2019-05-03 晶澳(扬州)太阳能科技有限公司 A kind of backboard of solar cell module
CN112928177A (en) * 2019-11-21 2021-06-08 福建金石能源有限公司 Solar cell packaging method using aluminum backboard metal layer as back contact welding strip
WO2024125094A1 (en) * 2022-12-15 2024-06-20 荣耀终端有限公司 Accessory for electronic device, electronic device and preparation method for accessory for electronic device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109713072A (en) * 2019-01-10 2019-05-03 晶澳(扬州)太阳能科技有限公司 A kind of backboard of solar cell module
CN109713072B (en) * 2019-01-10 2021-09-14 晶澳(扬州)太阳能科技有限公司 Solar cell module
CN112928177A (en) * 2019-11-21 2021-06-08 福建金石能源有限公司 Solar cell packaging method using aluminum backboard metal layer as back contact welding strip
WO2024125094A1 (en) * 2022-12-15 2024-06-20 荣耀终端有限公司 Accessory for electronic device, electronic device and preparation method for accessory for electronic device

Similar Documents

Publication Publication Date Title
WO2019214627A1 (en) Solar cell string, string group, assembly, and manufacturing method thereof
JPH0955524A (en) Solar battery module
CN102544167A (en) MWT (Metal Wrap-Through) solar cell assembly and manufacturing method thereof
CN102623553A (en) Preparation method of solar cell assembly
CN205335270U (en) Back of body contact solar cell's electrically conductive backsheet layer and battery pack
CN205609550U (en) Double -sided solar battery component
WO2012162900A1 (en) Solar cell module and manufacturing method thereof
CN108922973A (en) A kind of photovoltaic module and its packaging method based on perovskite solar battery
WO2010096700A3 (en) Photovoltaic module configuration
CN111106194B (en) Double-sided solar cell and photovoltaic module
CN209561432U (en) A kind of completely black solar double-glass assemblies of back-contact
CN215451430U (en) Light flexible assembly of back contact battery stitch welding structure
Söderström et al. Low cost high energy yield solar module lines and its applications
JP2002111036A (en) Solar battery module and its execution method
CN209029393U (en) A kind of printable flexible solar battery
JP6506404B2 (en) Solar cell module, method of manufacturing solar cell module
CN205282490U (en) Back -contact solar cell module
CN209328922U (en) A kind of reflective glue film, Reflecting backboard and photovoltaic module
CN106910782A (en) Back contact solar cell piece and preparation method thereof and back contact solar cell
JP2010283231A (en) Solar cell module and method of manufacturing the same
CN101728460B (en) Solar battery for solar mobile phone battery and preparation method thereof
CN111725335A (en) HBC high-efficiency solar cell back electrode connection and packaging integrated structure
CN107564974B (en) Cell, cell matrix, solar cell and preparation method of cell
CN111933799B (en) Flexible photovoltaic module
CN210443568U (en) Strip-shaped cell piece, solar cell piece and photovoltaic module

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant