CN110518077A - A kind of solar battery sheet and photovoltaic module - Google Patents
A kind of solar battery sheet and photovoltaic module Download PDFInfo
- Publication number
- CN110518077A CN110518077A CN201910818937.2A CN201910818937A CN110518077A CN 110518077 A CN110518077 A CN 110518077A CN 201910818937 A CN201910818937 A CN 201910818937A CN 110518077 A CN110518077 A CN 110518077A
- Authority
- CN
- China
- Prior art keywords
- section
- reflecting surface
- gate electrode
- reflecting
- primary gate
- 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
- 238000003466 welding Methods 0.000 claims abstract description 81
- 239000004744 fabric Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002313 adhesive film Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000013082 photovoltaic technology Methods 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
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar 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
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/022433—Particular geometry of the grid contacts
-
- 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
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a kind of solar battery sheet and photovoltaic modulies.The solar battery sheet includes ontology, a plurality of parallel primary gate electrode is provided on the ontology, the primary gate electrode includes reflecting segment and welding section, the reflecting segment includes that side is connected with each other and the other side is directed away from the first reflecting surface and the second reflecting surface that mutual direction extends, first reflecting surface and second reflecting surface are in the side being connected at angle α, and the angle α meets: α≤138.5 °；The welding section is configured as connecting with welding.By the first reflecting surface of setting and the second reflecting surface, the light for being incident to reflecting segment can be enable to be reflected on ontology, improve light utilization；The angle α that first reflecting surface and the second reflecting surface are formed is less than or equal to 138.5 °, can be further improved optics utilization rate.
Description
Technical field
The present invention relates to technical field of photovoltaic modules more particularly to a kind of solar battery sheets and photovoltaic module.
Background technique
With the fast development of photovoltaic technology, solar power station at home and abroad occupies very big market, to high power component
Demand it is also more and more, photovoltaic imbrication component, stacked wafer moudle and patch technology become the direction given priority to of industry.
Photovoltaic module includes welding and cell piece, welding on cell piece primary gate electrode and back electrode connect.Because of battery
On piece is provided with primary gate electrode, leads to expose to the light on primary gate electrode and be unable to get making full use of, light utilization is low, shadow
Ring the efficiency of photovoltaic module.
Summary of the invention
An object of the present invention is to provide a kind of solar battery sheets, and light utilization can be improved.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of solar battery sheet, including ontology are provided with a plurality of parallel primary gate electrode, the main grid on the ontology
Electrode includes:
Reflecting segment, the reflecting segment include that side is connected with each other and the other side is directed away from mutual direction extends first
Reflecting surface and the second reflecting surface, first reflecting surface and second reflecting surface are in the side being connected at angle α, the angle
α meets: α≤138.5 °；And
Welding section, the welding section are configured as connecting with conduct piece.
Wherein, the angle α meets one of following conditions:
138.5 ° of 60 °≤α <；Or,
60°≤α≤90°；Or,
90°≤α≤138.5°；Or,
99°≤α≤138.5°。
Wherein, reflecting segment described in each primary gate electrode and the welding section are provided with multiple, and the reflection
Section and the welding section are arranged alternately.
Wherein, the solar battery sheet is configured to cut along the direction vertical with the length direction of the primary gate electrode
Equal sized multiple half are segmented into, and the primary gate electrode of each half includes the reflecting segment and the welding
Section.
Wherein, first reflecting surface and second reflecting surface are plane.
Wherein, the reflecting segment has the arched top or planar top extended along its length.
Wherein, the contact surface of the reflecting segment and the ontology has the of the length direction perpendicular to the primary gate electrode
The contact surface of one width, the welding section and the ontology second with the length direction perpendicular to the primary gate electrode is wide
Degree, first width are not more than second width.
Wherein, the section of the length direction perpendicular to the primary gate electrode of the reflecting segment includes rectangle part and triangle
Part, the height of the rectangle part are equal to the height of the welding section.
It is another object of the present invention to propose a kind of photovoltaic module, light utilization can be improved.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of photovoltaic module, including conduct piece and multiple above-mentioned solar battery sheets, one end and the phase of the conduct piece
The welding section of one primary gate electrode in two adjacent ontologies connects, in the other end and the two neighboring ontology
Another connection.
Wherein, the conduct piece includes the first linkage section and the second linkage section, first linkage section and the welding section
Connection, first linkage section include side be connected with each other and the other side be directed away from third reflecting surface that direction each other extends and
4th reflecting surface, second linkage section are connect with another in the adjacent ontology.
Wherein, the conduct piece further includes the changeover portion for connecting first linkage section and second linkage section, described
The height of first linkage section is greater than the height of second linkage section, and the height of the changeover portion is along close to second linkage section
Direction be gradually reduced.
Wherein, the third reflecting surface and the 4th reflecting surface are in angle β in the side being connected, and the angle β≤
138.5°。
Wherein, the angle β meets one of following conditions:
138.5 ° of 60 °≤β <；Or,
60°≤β≤90°；Or,
90°≤β≤138.5°；Or,
99°≤β≤138.5°。
Wherein, the equal length of the length of first linkage section and the welding section.
Wherein, the shape in the section of the length direction perpendicular to the conduct piece of first linkage section is triangle.
Wherein, in the same primary gate electrode, the resistance of the unit length of the reflecting segment is equal to the list of the welding section
The sum of the resistance of unit length of the resistance of bit length and corresponding first linkage section.
Wherein, the distance between two adjacent described ontologies are 1mm-3mm.
The utility model has the advantages that the present invention provides a kind of solar battery sheet and photovoltaic modulies.In solar battery, primary gate electrode
Reflection of the reflecting segment to light can be improved by the first reflecting surface of setting and the second reflecting surface including reflecting segment and welding section
Rate enables the light for being incident to reflecting segment to be reflected on ontology, improves light utilization；First reflecting surface and second is instead
The angle α for penetrating face is less than or equal to 138.5 °, can be further improved optics utilization rate.
Detailed description of the invention
Fig. 1 is the top view for the solar battery sheet that the embodiment of the present invention one provides；
Fig. 2 is the perspective view for the solar battery sheet that the embodiment of the present invention one provides；
Fig. 3 is the partial front elevation view for the solar battery sheet that the embodiment of the present invention one provides；
Fig. 4 is the top view after the solar battery sheet that the embodiment of the present invention one provides is connect with welding；
Fig. 5 is the perspective view for the welding that the embodiment of the present invention one provides；
Fig. 6 is a kind of top view of solar battery sheet provided by Embodiment 2 of the present invention；
Fig. 7 is the perspective view after half provided by Embodiment 2 of the present invention is connect with welding；
Fig. 8 is the top view of another solar battery sheet provided by Embodiment 2 of the present invention；
Fig. 9 is the top view of another solar battery sheet provided by Embodiment 2 of the present invention.
Wherein:
11, ontology；12, primary gate electrode；121, reflecting segment；1211, the first reflecting surface；1212, the second reflecting surface；122, it welds
Connect section；
21, the first linkage section；211, third reflecting surface；212, the 4th reflecting surface；22, the second linkage section；23, changeover portion.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical from beginning to end
Or similar label indicates same or similar element or element with the same or similar functions.It is retouched below with reference to attached drawing
The embodiment stated is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second " are only
For descriptive purposes, it is not understood to indicate or imply relative importance.Wherein, term " first position " and " second position "
For two different positions.
Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense,
For example, it may be being fixedly connected, may be a detachable connection；It can be mechanical connection, be also possible to be electrically connected；It can be straight
It connects connected, the connection inside two elements or the phase interaction of two elements can also be can be indirectly connected through an intermediary
With relationship.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be
Concrete meaning.
Unless otherwise clearly defined and limited, fisrt feature second feature "upper" or "lower" may include first
Feature and second feature directly contact, also may include fisrt feature and second feature be not direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature includes that fisrt feature exists above the second feature " above ", " above " and " above "
Right above second feature and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is second
Feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of first
Characteristic level height is less than second feature.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment one
A kind of photovoltaic module is present embodiments provided, photovoltaic module includes laminate and photovoltaic component mounting structure, photovoltaic
Component installation structure includes frame and bracket, and laminate is arranged on frame, and frame is fixed on bracket, photovoltaic module installation knot
Structure can protect laminate, avoid laminate from being corroded or by wind damage.
Laminate includes foreboard, back plate and the cell piece string being arranged between front and rear panels.Cell piece string is by multiple
Solar battery sheet and conduct piece composition, multiple solar battery sheets are connected by conduct piece obtains high voltage, then acquisition in parallel
High current prevents electric current from feeding back and realizes power output by a diode later.Front and rear panels can be made of glass,
To be protected to cell piece string.It is fixed respectively with cell piece string in order to facilitate foreboard, back plate, front and rear panels can pass through glue
Layer is fixed with cell piece string.Laminate is formed after foreboard, cell piece string and the laminated machine lamination of back plate.Optionally, conduct piece can
Think welding or conducting resinl, conduct piece is welding in the present embodiment.
Specifically, it as shown in Figure 1, solar battery sheet includes ontology 11, is provided on the front of ontology 11 a plurality of parallel
The primary gate electrode 12 of setting, the back side of ontology 11 are provided with back electrode.When preparing cell piece string, one end of welding and adjacent sheet
One primary gate electrode 12 connection in body 11, the other end of welding connect with another the back electrode in two neighboring ontology 11
It connects, so that two adjacent solar battery sheets be connected.
Because the front of ontology 11 receives sunlight, the part for being provided with primary gate electrode 12 will be unable to receive sunlight, reduce
The optics utilization rate of solar battery.For this purpose, as shown in Figures 2 and 3, primary gate electrode 12 includes reflecting segment 121 in the present embodiment
With welding section 122, wherein reflecting segment 121 includes that side is connected to each other and the other side is directed away from that mutual direction extends the
One reflecting surface 1211 and the second reflecting surface 1212, the top surface of welding section 122 is plane, for connecting with welding.By setting with
The length direction of primary gate electrode 12 has the first reflecting surface 1211 and the second reflecting surface 1212 of certain angle, can increase reflection
Reflection of the outer surface of section 121 to light, the light after enabling reflection are incident on not set primary gate electrode 12 on ontology 11
Part, so that optics utilization rate is improved, to improve battery efficiency.
Specifically, the side of the first reflecting surface 1211 and the second reflecting surface 1212 away from each other is arranged close to ontology 11, the
The side that one reflecting surface 1211 and the second reflecting surface 1212 are connected to each other is arranged far from ontology 11, so that 1211 He of the first reflecting surface
Second reflecting surface 1212 can receive sunlight.
Optionally, at angle α, angle α is less than for the side that the first reflecting surface 1211 and the second reflecting surface 1212 are connected to each other
Equal to 138.5 °, the first reflecting surface 1211 and the second reflecting surface 1212 are good to the reflecting effect of light in the angular range, optics
Utilization rate is more preferably.
Further, angle α can satisfy one of following conditions:
138.5 ° of 60 °≤α <；Or,
60°≤α≤90°；Or,
90°≤α≤138.5°；Or,
99°≤α≤138.5°。
Angle α meets above-mentioned condition, is conducive to the smooth surface being incident on reflecting segment 12 and is directly reflected into 11 surface of ontology, from
And it is absorbed and utilized by ontology 11 and is converted to photogenerated current.
In the present embodiment, the first reflecting surface 1211 and the second reflecting surface 1212 can be plane, in other embodiments, instead
The face of penetrating may be curved surface.When the first reflecting surface 1211 and the second reflecting surface 1212 are curved surface, reflecting segment 121 perpendicular to master
In the section of the length direction of gate electrode 12, the first reflecting surface 1211 and the second reflecting surface 1212 respectively correspond as the first camber line and
Second camber line, at this point, the angle of the first reflecting surface 1211 and the second reflecting surface 1212 can be the corresponding string of the first camber line and the
Angle between the corresponding string of two camber lines.
In the present embodiment, the shape of reflecting segment 121 can be triangular prism, the cross sectional shape of triangular prism can with but be not limited to
Equilateral triangle.One quadrangular surface of triangular prism is connect with ontology 11, and raising primary gate electrode 12 is fixed steady with ontology 11
Qualitative, other two quadrangular surfaces of triangular prism are respectively the first reflecting surface 1211 and the second reflecting surface 1212.Triangular prism can
Light is reflexed into the probability on ontology 11 to improve, is conducive to improve optics utilization rate.
In other embodiments, reflecting segment 121 can also include the arched top extended along the length direction of primary gate electrode 12
Or planar top.On the one hand arched top or planar top can reduce the pressure caused by packaging adhesive film in lamination process of reflecting segment 121
By force, it on the other hand can control the height of reflecting segment 121, to be conducive to the progress of laminating technology.
In other embodiments, reflecting segment 121 can be other prismatic structures, and prismatic structure is to have along primary gate electrode
The structure of the seamed edge that 12 length direction extends, such as reflecting segment 121 is perpendicular to the section of the length direction of primary gate electrode 12
Cross sectional shape can be trapezoidal or other polygons.
Optionally, the surface of reflecting segment 121 may be cambered surface, such as the foreign steamer of arc surface, ellipsoid or reflecting segment 121
Profile is parabola, and optics utilization rate equally can be improved, to improve battery efficiency.
In the present embodiment, the top surface of welding section 122 can be plane, be conducive to the connection for improving welding section 122 and welding
Effect guarantees contact effect of the welding section 122 with welding.Optionally, the area of section of welding section 122 can be rectangle.
In other embodiments, reflecting segment 121 may include rectangle perpendicular to the section of the length direction of primary gate electrode 12
Part and triangular portions, triangular portions form the first reflecting surface and the second reflecting surface, height and the welding section 122 of rectangle part
It is highly equal, convenient for the processing of primary gate electrode 12.
Optionally, welding section 122 and the length of reflecting segment 121 may be the same or different, and the length ratio of the two can be with
It adjusts according to actual needs.
Optionally, the contact surface of reflecting segment 121 and ontology 11 has first of the length direction perpendicular to primary gate electrode 12
The contact surface of width, welding section 122 and ontology 11 has the second width of the length direction perpendicular to primary gate electrode 12, wherein
First width is not more than the second width.Since the first width is not more than the second width, on the one hand, can reduce reflecting segment 121 certainly
Body is conducive to the light-receiving area for increasing ontology 11 to the positive shielded area of ontology 11；On the other hand, welding section can be increased
122 with the contact area of ontology 11, to ensure that the reliability welded between welding and ontology 11.
To further increase optics utilization rate, as shown in Figure 4 and Figure 5, welding includes that first connect with welding section 122 connects
The second linkage section 22 for connecing section 21 and connecting with back electrode, the first linkage section 21 is connected with each other including side and other side direction
Third reflecting surface 211 and the 4th reflecting surface 212 that direction extends away from each other, so that the first linkage section 21 is welded with welding section 122
After connecing, the light for being incident to the first linkage section 21 can be reflexed on ontology 11, to improve the optics utilization rate of ontology 11.
Specifically, the side of third reflecting surface 211 and the 4th reflecting surface 212 away from each other is connect with welding section 12, third
The side that reflecting surface 211 and the 4th reflecting surface 212 are connected to each other is arranged far from ontology, so that third reflecting surface 211 and the 4th is instead
Sunlight can be received by penetrating face 212.
Optionally, the side that third reflecting surface 211 and the 4th reflecting surface 212 are connected to each other be in angle β, angle β be less than etc.
Good to the reflecting effect of light in third reflecting surface 211 in 138.5 °, the angular range and the 4th reflecting surface 212, optics utilizes
Rate is more preferably.
Further, angle β can satisfy one of following conditions:
138.5 ° of 60 °≤β <；Or,
60°≤β≤90°；Or,
90°≤β≤138.5°；Or,
99°≤β≤138.5°。
Angle β meets above-mentioned condition, and the smooth surface for being conducive to be incident on the first linkage section 21 is directly reflected into body surface,
Photogenerated current is converted to be utilized by bulk absorption.
Optionally, the first linkage section 21 can be prismatic structure, and prismatic structure is that there is the length direction along welding to prolong
The structure for the seamed edge stretched, such as the cross sectional shape of the first linkage section 21 can be triangle, trapezoidal or other polygons.First connects
The surface for connecing section 21 may be cambered surface, such as the outer contour of arc surface, ellipsoid or the first linkage section 21 is parabola, together
Optics utilization rate can be improved in sample, to improve battery efficiency.
In the present embodiment, the first linkage section 21 is triangle perpendicular to the cross sectional shape of its length direction.Optionally, second
Linkage section 22 can be flat welding or round welding.
In order to further increase optics utilization rate, the length of the first linkage section 21 and the equal length of welding section 122, so that
Welding section 122 is covered by the first linkage section 21 completely, increases the area of reflection light.
The length of second linkage section 22 can be slightly larger than the length of the back electrode of ontology 11, so as to have between adjacent cell piece
There is certain gap, solar battery sheet is avoided to interfere.Optionally, the distance between two adjacent ontologies 11 are 1mm-
3mm.Preferably, the distance between two adjacent ontologies 11 are 0.8mm-2.5mm.
In the present embodiment, the height of the first linkage section 21 is greater than the height of the second linkage section 22, in order to make the height of welding
It can seamlessly transit, welding further includes the changeover portion 23 for connecting the first linkage section 21 and the second linkage section 22, the height of changeover portion 23
It spends along far from being gradually reduced along close to the direction of the second linkage section 22, to avoid the first linkage section 21 and the second linkage section 22
Junction forms step because of difference in height.By the way that changeover portion 23 is arranged, welding on the one hand can be improved in the first linkage section 21 and the
The bending property of the junction of two linkage sections 22, is not easily broken, and the table of adjacent bodies 11 on the other hand can be scratched to avoid welding
Face.
Optionally, in the present embodiment, primary gate electrode 12 can be printed by silver paste to be made, can also be using superconductions such as graphenes
Material is made.
Due to partially needing to be welded and fixed with welding in the primary gate electrode 12 on ontology 11, cause electric with main grid on ontology 11
Resistance at the corresponding position in pole 12 is differed along the length direction of primary gate electrode 12, influences battery efficiency.
To solve the above problems, according to the material and area of section of the welding used, being reflected by control in the present embodiment
Section the ratio between 121 and the area of section of welding section 122 make the resistance of the unit length of reflecting segment 121 be equal to the unit of welding section 122
The sum of the resistance of length and resistance of unit length of corresponding welding, to guarantee corresponding with primary gate electrode 12 on ontology 11
Resistance at position is evenly distributed along the length direction of primary gate electrode 12, and then improves battery efficiency.
In the present embodiment, primary gate electrode 12 is made of silver paste, and the cross sectional shape of reflecting segment 121 and the first linkage section 21 is equal
For triangle, the apex angle of triangle is 60 °~138.5 °, and the width of primary gate electrode 12 is 0.2mm~0.9mm, wherein reflecting segment
121 is equal with the bottom width of welding section 122, and the distance between two neighboring ontology 11 is 0.8mm~2.5mm, primary gate electrode
12 height is 0.1mm~0.37mm, and the power of photovoltaic module can promote 3% or so.
Embodiment two
Present embodiments provide a kind of photovoltaic module, with embodiment one the difference is that, it is each on ontology 11
Reflecting segment 121 and welding section 122 in primary gate electrode 12 are provided with multiple, and reflecting segment 121 and welding section 122 are alternately arranged
Cloth.
Optionally, the quantity of the reflecting segment 121 in each primary gate electrode 12 and welding section 122 can be equal or not
Deng.As shown in fig. 6, being provided with a reflecting segment 121 and two welding sections 122 in each primary gate electrode 12, reflecting segment 121 is located at
Between two welding sections 122.The solar battery sheet can be directly using forming photovoltaic module.
To improve optics utilization rate and battery efficiency, which can also be in vertical with primary gate electrode 12
Heart wire cutting forms two equal sized half, and the primary gate electrode 12 of each half on piece all has welding section 122 and reflection
Section 121.As shown in fig. 7, forming photovoltaic module using multiple half, optics utilization rate and battery efficiency will all have to be mentioned accordingly
It is high.
Optionally, as shown in figure 8, reflecting segment 121 and a welding there are two also can be set in each primary gate electrode 12
Section 122, welding section 122 are located between two reflecting segments 121, can also by the edge center wire cutting vertical with primary gate electrode 12
To form two half, and the primary gate electrode 12 of each half on piece all has welding section 122 and reflecting segment 121.
Optionally, in the half formed after cutting, the length of reflecting segment 121 and welding section 122 in same primary gate electrode 12
Degree can be equal, also can according to need setting different proportion.
As shown in figure 9, passing through there are two reflecting segment 121 and welding section 122 can also be respectively provided in each primary gate electrode 12
Along the center wire cutting vertical with primary gate electrode 12, two half can also be formed, and the primary gate electrode 12 of each half on piece is equal
With welding section 12 and reflecting segment 121.
In other embodiments, the quantity of the reflecting segment 121 in each primary gate electrode 12 and welding section 122 may be three
Section, four sections or more, correspondingly, each solar battery sheet can cut the half to form three, four or more, as long as energy
The primary gate electrode 12 for making each half includes reflecting segment 121 and welding section 122.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (16)
1. a kind of solar battery sheet, including ontology (11), which is characterized in that be provided on the ontology (11) a plurality of parallel
Primary gate electrode (12), the primary gate electrode (12) include:
Reflecting segment (121), the reflecting segment (121) include that side is connected with each other and the other side is directed away from mutual direction and extends
The first reflecting surface (1211) and the second reflecting surface (1212), first reflecting surface (1211) and second reflecting surface
(1212) in connected side at angle α, the angle α meets: α≤138.5 °；And
Welding section (122), the welding section (122) are configured as connecting with conduct piece.
2. solar battery sheet as described in claim 1, which is characterized in that the angle α meets one of following conditions:
138.5 ° of 60 °≤α <；Or,
60°≤α≤90°；Or,
90°≤α≤138.5°；Or,
99°≤α≤138.5°。
3. solar battery sheet as described in claim 1, which is characterized in that reflected described in each primary gate electrode (12)
Section (121) and the welding section (122) are provided with multiple, and the reflecting segment (121) and the welding section (122) replace row
Cloth.
4. solar battery sheet as claimed in claim 3, which is characterized in that the solar battery sheet be configured to along with
The vertical direction of the length direction of the primary gate electrode (12) is cut into equal sized multiple half, and each half
The primary gate electrode (12) includes the reflecting segment (121) and the welding section (122).
5. such as solar battery sheet of any of claims 1-4, which is characterized in that first reflecting surface (1211)
It is plane with second reflecting surface (1212).
6. such as solar battery sheet of any of claims 1-4, which is characterized in that the reflecting segment (121) has
The arched top or planar top extended along its length.
7. such as solar battery sheet of any of claims 1-4, which is characterized in that the reflecting segment (121) and institute
The contact surface for stating ontology (11) has the first width of the length direction perpendicular to the primary gate electrode (12), the welding section
(122) there is the second width of the length direction perpendicular to the primary gate electrode (12), institute with the contact surface of the ontology (11)
The first width is stated no more than second width.
8. such as solar battery sheet of any of claims 1-4, which is characterized in that the reflecting segment (121) is hung down
Directly in the section of the length direction of the primary gate electrode (12) include rectangle part and triangular portions, the height of the rectangle part
Equal to the height of the welding section (122).
9. a kind of photovoltaic module, which is characterized in that including conduct piece and multiple such as sun of any of claims 1-8
It can cell piece, one end of the conduct piece and one primary gate electrode (12) in adjacent two ontologies (11)
Welding section (122) connection, the other end are connect with another in the two neighboring ontology (11).
10. photovoltaic module as claimed in claim 9, which is characterized in that the conduct piece includes the first linkage section (21) and the
Two linkage sections (22), first linkage section (21) connect with the welding section (122), and first linkage section (21) includes one
Side is connected with each other and the other side is directed away from the third reflecting surface (211) and the 4th reflecting surface (212) that direction extends each other, described
Second linkage section (22) is connect with another in the adjacent ontology.
11. photovoltaic module as claimed in claim 10, which is characterized in that the conduct piece further includes connection first connection
The changeover portion (23) of section (21) and second linkage section (22), the height of first linkage section (21) are greater than described second and connect
The height of section (22) is connect, the height of the changeover portion (23) is gradually reduced along the direction close to second linkage section (22).
12. photovoltaic module as claimed in claim 10, which is characterized in that the third reflecting surface (211) and the described 4th is instead
Face (212) is penetrated in connected side in angle β, angle β≤138.5 °.
13. photovoltaic module as claimed in claim 10, which is characterized in that the length and the weldering of first linkage section (21)
Connect the equal length of section (122).
14. photovoltaic module as claimed in claim 10, which is characterized in that first linkage section (21) is led perpendicular to described
The shape in the section of the length direction of electric part is triangle.
15. photovoltaic module as claimed in claim 10, which is characterized in that in the same primary gate electrode (12), the reflection
The resistance that the resistance of the unit length of section (121) is equal to the unit length of the welding section (122) connects with corresponding described first
Connect the sum of the resistance of unit length of section (21).
16. photovoltaic module as claimed in claim 9, which is characterized in that the distance between described ontology (11) of adjacent two
For 1mm-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818937.2A CN110518077A (en) | 2019-08-30 | 2019-08-30 | A kind of solar battery sheet and photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910818937.2A CN110518077A (en) | 2019-08-30 | 2019-08-30 | A kind of solar battery sheet and photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110518077A true CN110518077A (en) | 2019-11-29 |
Family
ID=68628882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910818937.2A Pending CN110518077A (en) | 2019-08-30 | 2019-08-30 | A kind of solar battery sheet and photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110518077A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113707738A (en) * | 2021-08-25 | 2021-11-26 | 上海晶科绿能企业管理有限公司 | Welding strip and battery piece assembly |
| CN114078984A (en) * | 2020-08-11 | 2022-02-22 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130196A (en) * | 2010-12-31 | 2011-07-20 | 常州天合光能有限公司 | Low-resistance crystalline silicon solar cell component |
| WO2011122652A1 (en) * | 2010-03-30 | 2011-10-06 | 三洋電機株式会社 | Solar cell and solar cell module |
| US20120037219A1 (en) * | 2010-08-13 | 2012-02-16 | Sungjin Kim | Solar cell |
| CN203071111U (en) * | 2013-01-11 | 2013-07-17 | 阿特斯(中国)投资有限公司 | Solar battery assembly |
| CN103400869A (en) * | 2013-06-27 | 2013-11-20 | 北京大学深圳研究生院 | Solar battery and front-side electrode thereof |
| KR20140003789A (en) * | 2012-06-28 | 2014-01-10 | 엘지전자 주식회사 | Solar cell and method for manufacturing the same, and solar cell module |
| CN103518264A (en) * | 2011-05-11 | 2014-01-15 | 国际商业机器公司 | Low resistance, low reflection, and low cost contact grids for photovoltaic cells |
| CN205452315U (en) * | 2015-12-29 | 2016-08-10 | 乐叶光伏科技有限公司 | Improve reflection of light of welding die pull and weld area and photovoltaic module |
| CN208045523U (en) * | 2018-04-18 | 2018-11-02 | 刘岩岩 | A kind of connection structure of low resistance type reflective solder strip |
| CN208240702U (en) * | 2018-06-15 | 2018-12-14 | 苏州阿特斯阳光电力科技有限公司 | Solar cell module |
| CN109980023A (en) * | 2017-12-27 | 2019-07-05 | 阿特斯阳光电力集团有限公司 | Photovoltaic cell and photovoltaic module |
-
2019
- 2019-08-30 CN CN201910818937.2A patent/CN110518077A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011122652A1 (en) * | 2010-03-30 | 2011-10-06 | 三洋電機株式会社 | Solar cell and solar cell module |
| US20120037219A1 (en) * | 2010-08-13 | 2012-02-16 | Sungjin Kim | Solar cell |
| CN102130196A (en) * | 2010-12-31 | 2011-07-20 | 常州天合光能有限公司 | Low-resistance crystalline silicon solar cell component |
| CN103518264A (en) * | 2011-05-11 | 2014-01-15 | 国际商业机器公司 | Low resistance, low reflection, and low cost contact grids for photovoltaic cells |
| KR20140003789A (en) * | 2012-06-28 | 2014-01-10 | 엘지전자 주식회사 | Solar cell and method for manufacturing the same, and solar cell module |
| CN203071111U (en) * | 2013-01-11 | 2013-07-17 | 阿特斯(中国)投资有限公司 | Solar battery assembly |
| CN103400869A (en) * | 2013-06-27 | 2013-11-20 | 北京大学深圳研究生院 | Solar battery and front-side electrode thereof |
| CN205452315U (en) * | 2015-12-29 | 2016-08-10 | 乐叶光伏科技有限公司 | Improve reflection of light of welding die pull and weld area and photovoltaic module |
| CN109980023A (en) * | 2017-12-27 | 2019-07-05 | 阿特斯阳光电力集团有限公司 | Photovoltaic cell and photovoltaic module |
| CN208045523U (en) * | 2018-04-18 | 2018-11-02 | 刘岩岩 | A kind of connection structure of low resistance type reflective solder strip |
| CN208240702U (en) * | 2018-06-15 | 2018-12-14 | 苏州阿特斯阳光电力科技有限公司 | Solar cell module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114078984A (en) * | 2020-08-11 | 2022-02-22 | 苏州阿特斯阳光电力科技有限公司 | Photovoltaic module |
| CN113707738A (en) * | 2021-08-25 | 2021-11-26 | 上海晶科绿能企业管理有限公司 | Welding strip and battery piece assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204928739U (en) | Two -sided solar panel and two -sided solar cell | |
| CN208045523U (en) | A kind of connection structure of low resistance type reflective solder strip | |
| WO2021103410A1 (en) | Folded-plate-shaped photovoltaic assembly and front-side glass thereof, and photovoltaic system | |
| CN111192933A (en) | Solar photovoltaic module and building photovoltaic integrated module | |
| CN110518077A (en) | A kind of solar battery sheet and photovoltaic module | |
| CN111106194B (en) | Double-sided solar cell and photovoltaic module | |
| CN210156393U (en) | High-efficient photovoltaic double-sided power generation subassembly | |
| CN113644156A (en) | Two-sided reflection of light photovoltaic solder strip and photovoltaic module | |
| CN109087961A (en) | A kind of photovoltaic module and preparation method thereof | |
| CN210156392U (en) | High-efficient photovoltaic module | |
| CN104935247A (en) | High-resistance mechanical load light weight solar cell module | |
| CN207611782U (en) | A kind of photovoltaic module | |
| CN207883712U (en) | Improve the reflective membrane of photovoltaic conversion efficiency | |
| CN212062454U (en) | Photovoltaic module with reflective film | |
| WO2014176881A1 (en) | Tubular concentrating photovoltaic cell assembly | |
| CN209593361U (en) | A kind of device of solar generating | |
| CN208608213U (en) | Solar battery sheet connection welding and component | |
| CN207425873U (en) | A kind of double side photovoltaic battery component | |
| CN207818587U (en) | The efficient segmented welding of photovoltaic module | |
| CN202172084U (en) | Solar battery luminous efficiency reinforcing device | |
| CN209487519U (en) | A kind of solar cell module of high transformation efficiency | |
| CN211700302U (en) | Low series resistance photovoltaic module | |
| CN204204887U (en) | A kind of photovoltaic reflective membrane with discontinuity insulation | |
| CN220895517U (en) | Photovoltaic shingle assembly | |
| CN216250758U (en) | Photovoltaic cell piece group, whole piece photovoltaic module and half piece photovoltaic module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Applicant after: CSI CELLS Co.,Ltd. Applicant after: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Applicant after: Atlas sunshine Power Group Co.,Ltd. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Applicant before: CSI Cells Co.,Ltd. Applicant before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Applicant before: CSI SOLAR POWER GROUP Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191129 |