CN204348734U - A kind of crystal-silicon battery slice and crystal silicon battery assembly - Google Patents
A kind of crystal-silicon battery slice and crystal silicon battery assembly Download PDFInfo
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- CN204348734U CN204348734U CN201520102227.7U CN201520102227U CN204348734U CN 204348734 U CN204348734 U CN 204348734U CN 201520102227 U CN201520102227 U CN 201520102227U CN 204348734 U CN204348734 U CN 204348734U
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- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 50
- 239000010703 silicon Substances 0.000 title claims abstract description 50
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 239000013078 crystal Substances 0.000 title claims abstract description 24
- 238000003466 welding Methods 0.000 claims abstract description 45
- 239000011159 matrix material Substances 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- 210000004027 cell Anatomy 0.000 claims description 183
- 210000003850 cellular structure Anatomy 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 2
- 230000007812 deficiency Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 7
- 238000000605 extraction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- 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
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
-
- 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 utility model is connected in series by welding for existing crystal silicon battery assembly, make the cost of battery component high, the deficiency that when effective output is lowered and welds, operation easier is large, a kind of crystal-silicon battery slice and crystal silicon battery assembly are provided, the cell piece of this battery component comprises crystal silicon battery sheet matrix and is arranged on the cell piece matrix back side, as the metal back surface field of cell piece positive pole, the front of described crystal silicon battery sheet matrix is provided with many secondary grid lines, between the both ends of the secondary grid line of each bar in the front of cell piece, all front main grid line for battery piece is not set, position relative with between secondary grid line both ends in metal back surface field does not all arrange cell piece back side main gate line, the crystal-silicon battery slice of this structure and assembly is adopted to effectively raise the power output of cell piece, save material and operation, reduce costs and improve operating efficiency, due to connection stacked between cell piece, eliminate welding.
Description
Technical field
The utility model relates to a kind of crystal-silicon battery slice and a kind of crystal silicon battery assembly that can save welding.
Background technology
In prior art, generally believe, when the length of thin grid line can be deteriorated more than the effect of confluxing of main gate line during 50mm to thin grid line, therefore in order to make confluxing of cell piece effective, silicon wafer cell piece generally adopts following structure: comprise crystal silicon chip body, crystal silicon chip body is provided with many thin grid lines and at least two main gate line being connected each thin grid line, every bar main gate line and each thin grid line are connected in series, by main gate line, thin for each bar grid line is separated at least two regions, is collected by the electric current of main gate line to each thin grid line.If the patent No. is the Chinese utility model patent of 201120496826.3, its notification number is CN202339923U, or the patent No. is the Chinese utility model patent of 201120507425.3, its notification number is CN202339925U, and the patent No. is the Chinese utility model patent of 2011205065.3, its notification number is CN202339926U, all discloses the crystal silicon battery of said structure.Adopt the crystal-silicon battery slice of said structure to make crystal silicon battery assembly and there is following deficiency: welding 1) need be used to connect the main gate line of each cell piece, thus the electric current of multiple cell piece being accumulated a total electric current, welding and main gate line add the manufacturing cost of battery component; 2) because main gate line is the width that almost runs through whole cell piece, when connecting each cell piece, welding need be adopted the main gate line on each cell piece to be covered, for ensureing the effective power of cell piece, main gate line all standing need can not be exceeded main gate line by welding, in industry be called " zero shows money or valuables one carries unintentionally ", zero shows money or valuables one carries unintentionally proposes very high requirement to welding procedure, can not realize so far really reaching " zero shows money or valuables one carries unintentionally " in industry; 3) because cell piece is crystal silicon battery, what welding adopted is copper matrix welding, the ratio of the thermal coefficient of expansion of silicon and copper is 1: 6, therefore, in welding process, after the silicon wafer of silicon matrix and the welding of copper matrix are heated, dilatancy situation has huge difference, very easily causes assembly to produce disconnected grid even sliver, has a strong impact on assembly end product quality; 4) welding be arranged on cell piece occupies effective daylighting area of each cell piece, reduce the conversion efficiency of assembly, there are some researches show, if the effective power that welding shielded area can be used each assembly by the battery component of main flow three grid 60 can increase by 4 to 5 watts; 5) due in battery component, by welding, each cell piece is cascaded, in adjacent two panels cell piece, the front of two panels cell piece is all upwards arranged, one end of welding connects the front of a wherein cell piece, the other end of welding connects the reverse side of another cell piece, needs to leave certain interval between the cell piece that two panels is adjacent when welding walks the reverse side to another cell piece by the front of a cell piece.This gap is " sheet spacing ", " sheet spacing " should add for raw-material areas such as EVA, TPT of packaged battery assembly and glass, adds the volume of whole battery component, add cost of manufacture simultaneously.
Utility model content
The purpose of this utility model is to be connected in series by welding for existing crystal silicon battery assembly, makes the deficiency that when cost of battery component is high, effective output is lowered and weld, operation easier is large, provides a kind of crystal-silicon battery slice and crystal silicon battery assembly.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of crystal-silicon battery slice, comprise crystal silicon battery sheet matrix and be arranged on the cell piece matrix back side, as the metal back surface field of cell piece positive pole, the front of described crystal silicon battery sheet matrix is provided with many secondary grid lines, the secondary grid line of each bar is non-intersect, the end one of the secondary grid line of each bar is all arranged on cell piece end one place, the end two of the secondary grid line of each bar is all arranged on cell piece matrix end two place, between the both ends of the secondary grid line of each bar in the front of cell piece, all front main grid line for battery piece is not set, position relative with between secondary grid line both ends in metal back surface field does not all arrange cell piece back side main gate line,
All main gate line is not set at the front and back of described cell piece matrix;
In the front of cell piece matrix, at least one front main grid line for battery piece is set, the metal back surface field at the back side of cell piece matrix arranges at least one cell piece back side main gate line, and the end that front main grid line for battery piece and cell piece back side main gate line are all positioned at cell piece is arranged along the edge of cell piece;
Described front main grid line for battery piece is one, is electrically connected with the one/end, end two of secondary grid line, and described cell piece back side main gate line is one, is positioned at two/end, end one place of secondary grid line;
Described front main grid line for battery piece is two, and setting is intersected in the two adjacent edge portions along cell piece, and wherein a front main grid line for battery piece is electrically connected with the one/end, end two of secondary grid line; Described cell piece back side main gate line is two, and the other two adjacent edge portions along cell piece intersect and arrange, and two/end, end one that wherein one case cell piece back side main gate line corresponds to secondary grid line is arranged;
Described front main grid line for battery piece is one, be electrically connected with the one/end, end two of secondary grid line, described cell piece back side main gate line is three, wherein cell piece back side main gate line is positioned at two/end, end one place of secondary grid line, and one end of two other cell piece back side main gate line is electrically connected with the corresponding end of cell piece back side main gate line at two/end, end one place being positioned at secondary grid line respectively;
Described secondary grid line be arranged in parallel along the edge of cell piece, and front main grid line for battery piece is parallel with main gate line with cell piece back side main gate line or vertically arrange;
A kind of crystal silicon battery assembly, comprise at least one group of battery component string be made up of the cell piece of at least two series connection, be connected in series between each battery component string, it is characterized in that, adopt the cell piece described in any one of claim 1-6, in each battery component string, two adjacent cell pieces are fixedly electrically connected in series by cell piece metal back surface field that the end two of the secondary grid line of front cell piece is corresponding with end one place of rear cell piece pair grid line is stacked;
Described two adjacent cell pieces are by conductive tape or the fixing electrical connection of welding;
Described photovoltaic cell component comprises at least two battery component strings, each battery component string arranged in parallel, and adjacent two row's head ends of battery components or tail end are fixedly connected with by convergent belt or welding or battery adhesive tape.
The present invention compared with prior art has some beneficial effect following: due in the front of cell piece, between the two ends of secondary grid line and the position corresponding with the both ends of secondary grid line, the back side of cell piece all main gate line is not set, therefore main gate line can not take effective work area of cell piece or take effective work area of little cell piece, improves the power output of cell piece.
Owing to not arranging main gate line or the edge of main gate line along cell piece arranged on cell piece, therefore main gate line can not take effective work area of cell piece, or takies effective work area of little cell piece, improves the delivery efficiency of cell piece.Importantly owing to not arranging main gate line or arranging main gate line in the company headquarters of cell piece, the quantity of main gate line obviously reduces, and therefore can save welding, or conflux without welding, therefore can save welding welding procedure, save material and operation, when reducing costs, improve operating efficiency.
For battery component, due to connection stacked between cell piece, therefore welding is eliminated, not only save welding material, and eliminate welding technique, make to be obtained for effective solution, for the industry provides a kind of battery component and battery component manufacturing technology of new structure because adopting welding to weld the problems such as the cell piece brought is frangible.
Accompanying drawing explanation
The first example structure schematic diagram of Fig. 1 .1 crystal-silicon battery slice of the present invention;
Fig. 1 .2 is the D-D cutaway view of Fig. 1 .1;
Fig. 1 .2.1 is the F portion partial enlarged drawing of Fig. 1 .2;
Fig. 1 .3 is the A-A cutaway view of Fig. 1 .1;
Fig. 1 .3.1 is the C portion partial enlarged drawing of Fig. 1 .3;
Fig. 1 .3.2 is the E portion partial enlarged drawing of Fig. 1 .3;
Fig. 1 .4 is the upward view of Fig. 1 .3;
Fig. 2 .1 crystal-silicon battery slice the second of the present invention example structure schematic diagram;
Fig. 2 .2 is the I-I cutaway view of Fig. 2 .1;
Fig. 2 .2.1 is the L portion partial enlarged drawing of Fig. 2 .2;
Fig. 2 .3 is the H-H cutaway view of Fig. 2 .1;
Fig. 2 .4 is the upward view of Fig. 2 .3;
Fig. 3 .1 is the third example structure schematic diagram of crystal-silicon battery slice of the present invention;
Fig. 3 .2 is the rearview of Fig. 3 .1;
Fig. 4 is for adopting embodiment of the present invention cell piece composition photovoltaic cell component syndeton embodiment one schematic diagram;
Fig. 4 .1 is Fig. 4 D portion partial enlarged drawing;
Fig. 4 .2 is for adopting embodiment of the present invention cell piece composition photovoltaic cell component syndeton embodiment two schematic diagram;
Fig. 5 is syndeton embodiment three schematic diagram during the employing embodiment of the present invention 2 cell piece composition photovoltaic cell component.
Fig. 6 .1 is crystal-silicon battery slice of the present invention 4th kind of example structure schematic diagram;
Fig. 6 .2 is the rearview of Fig. 6 .1;
Fig. 7 .1 is crystal-silicon battery slice of the present invention 5th kind of example structure schematic diagram;
Fig. 7 .2 is the rearview of Fig. 7 .1;
Syndeton embodiment four schematic diagram when Fig. 8 .1 Fig. 5 is crystal-silicon battery slice Fig. 6 .1 of the present invention and Fig. 7 .1 composition crystal silicon battery assembly;
Fig. 8 .1.1 is the N-N cutaway view of Fig. 8 .1;
Fig. 8 .1.2 is the M-M cutaway view of Fig. 8 .1.
Description of reference numerals
1-cell piece matrix, 2-front main grid line for battery piece, 3-metal back surface field, 4-cell piece back side main gate line, the secondary grid line of 5-, 6-conductive tape, 7-cell piece, 8-busbar 9-draws positive pole 10-extraction 14-cell piece matrix end two, 13-cell piece matrix end one, 12-end two, negative pole 11-end one 15-and adds lengthy motion picture 16-ordinary tablet
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further:
As shown in Fig. 1 .1 to 3.2, the solar energy crystal-silicon battery slice of structure of the present invention comprises cell piece matrix 1 and the metal back surface field 3 as cell piece positive pole, be provided with many thin grid lines in the front of cell piece matrix 1 and be called secondary grid line 5, the secondary grid line 5 of each bar all has end 1 and end 2 12, the end 1 of the secondary grid line of each bar is positioned at cell piece matrix end 1, the end 2 12 of the secondary grid line of each bar is positioned at cell piece matrix end 2 14, the secondary grid line of each bar can be linear, also can be shaped form, but the secondary grid line of each bar is non-intersect, the secondary grid line 5 of each bar can be arranged in parallel, also can be radioactivity arrangement.On this basis, the present invention has following preferred embodiment, but is not limited to following embodiment.Preferable alloy back surface field 3 is aluminium back surface field.
Embodiment 1, does not all arrange main gate line at the obverse and reverse of cell piece matrix.Namely cell piece of the present invention does not arrange main gate line.
Embodiment 2, only in the front of cell piece matrix, end two place that is positioned at the secondary grid line of each bar arranges front main grid line for battery piece 2, front main grid line for battery piece is electrically connected with the secondary grid line of each bar, at the back side of cell piece matrix, end one place of the matrix that is positioned at cell piece is provided with cell piece back side main gate line 4, and cell piece back side main gate line 4 is electrically connected with metal back surface field 3.Main gate line is set like this, front main grid line for battery piece is positioned at cell piece end one place, cell piece back side main gate line is positioned at cell piece end two place, cell piece main gate line is only arranged along the edge of cell piece matrix, in the middle part of the front and back of cell piece, all battery main gate line is not set, because this increasing effective daylighting area of cell piece.
Embodiment 3
As shown in Fig. 3 .1 to 3.2, for the further improvement of embodiment 2, be positioned at cell piece end two place and the upper end adjacent with cell piece end two or lower end to be respectively arranged with a front main grid line for battery piece 2 in the front of cell piece, article two, front main grid line for battery piece electrical connection, at the back of cell piece, be positioned at cell piece end one place and cell piece lower end or upper end and a cell piece back side main gate line is set respectively, two cell piece back side main gate line electrical connections.
When no matter adopting the cell piece composition crystal silicon battery assembly of above-mentioned any embodiment structure, adjacent cell piece is all connected by the mode that end one is stacked with end two, namely between the cell piece of same a line arrangement, first cell piece end two overlaps with second cell piece end one and is electrically connected, the connection between each cell piece the like.Each cell piece is together in series, forms battery component and power.In order to increase the daylighting area of cell piece, reducing the length of battery component, the battery component string that multirow is connected by multiple cell piece can be set, be connected in series by convergent belt or welding again between each string.
Embodiment 4
As shown in Fig. 6 .1 and 6.2, be positioned at cell piece end two place to be provided with a front main grid line for battery piece 2 in the front of cell piece, at the back of cell piece, be positioned at cell piece end one place and cell piece lower end and upper end and a cell piece back side main gate line is set respectively, three cell piece back side main gate line electrical connections.
Embodiment 5
As shown in Fig. 7 .1 and 7.2, be positioned at cell piece lower end in the front of cell piece or upper end is provided with a front main grid line for battery piece 2, at the back of cell piece, be positioned at cell piece end one place and cell piece end two place and a cell piece back side main gate line is set respectively, two cell piece back side main gate line electrical connections.
Battery component embodiment A:
As shown in Fig. 2 .1-2.4 and Fig. 4 .2, select the cell piece shown in embodiment 1, the mode that three cell pieces adopt head and the tail to laminate is linked together, and by conductive tape 6 by fixing for the head and the tail two ends of adjacent two cell pieces bonding composition battery component string one, form battery component string two in the same way again, the battery component string four of battery component string three, the end two of last a slice cell piece of battery component string one is connected in series by last a slice cell piece of convergent belt or welding and battery component string two, the first cell piece end one of battery component string two is connected in series by welding or convergent belt with the first cell piece end one of battery component string three, the end two of last a slice cell piece of battery component string three is connected in series by last a slice cell piece of convergent belt or welding and battery component string four, the first cell piece end one of battery component string three composes in series a battery component with the first cell piece end one of battery component string four by welding or convergent belt.The extraction positive pole that welding or convergent belt form battery component is set by the first cell piece end one of battery component string one, the extraction negative pole that welding or convergent belt form battery component is set by the first cell piece end one of battery component string four.Certainly, each cell piece can be horizontal positioned, also can be obliquely installed.
Battery component Embodiment B:
As shown in Fig. 1 .1-1.4 and Fig. 4 and 4.1, select the cell piece shown in embodiment 2, the mode laminated is adopted to link together three cell pieces, and form battery component string one by the main gate line that conductive tape 6 Binder Phase is right, form battery component string two in the same way again, the battery component string four of battery component string three, the end two of last a slice cell piece of battery component string one is connected in series by last a slice cell piece of convergent belt or welding and battery component string two, the first cell piece end one of battery component string two is connected in series by welding or convergent belt with the first cell piece end one of battery component string three, the end two of last a slice cell piece of battery component string three is connected in series by last a slice cell piece of convergent belt or welding and battery component string four, the first cell piece end one of battery component string three composes in series a battery component with the first cell piece end one of battery component string four by welding or convergent belt.The extraction positive pole that welding or convergent belt form battery component is set by the first cell piece end one of battery component string one, the extraction negative pole that welding or convergent belt form battery component is set by the first cell piece end one of battery component string four.Each battery component string is connected in series by corresponding main gate line by convergent belt or welding.
Battery component Embodiment C;
Cell piece embodiment 5 and cell piece embodiment 4 are combined, composition battery component Embodiment C.As shown in Fig. 8 .1, shown in cell piece embodiment 5, the height of the cell piece of structure is greater than the height of the cell piece of structure shown in embodiment 4, therefore, the cell piece of cell piece embodiment 5 structure is called and adds lengthy motion picture 15, the cell piece of structure shown in embodiment 4 is called ordinary tablet 16.Adopt the connected mode of embodiment A, two ordinary tablets and a slice are added lengthy motion picture string and forms battery component string one, battery component string two, battery component string three, battery component string four, wherein add lengthy motion picture and be positioned at the tail end of odd-numbered line battery component string, be positioned at the head end of even number line battery component string.By the upper end of last a slice cell piece of battery component string two be stacked in be positioned at battery component string one tail end add on the lower end of lengthy motion picture, by battery component string two be positioned at the first lower end adding lengthy motion picture be stacked in be positioned at battery component string three the upper end being positioned at the ordinary tablet of head end below, be stacked in by the upper end of last a slice cell piece of battery component string four and be positioned at the adding on the lower end of lengthy motion picture of battery component string three tail end.All the other same embodiment A.
Claims (10)
1. a crystal-silicon battery slice, comprise crystal silicon battery sheet matrix (1) and be arranged on the cell piece matrix back side, as the metal back surface field of cell piece positive pole, the front of described crystal silicon battery sheet matrix is provided with many secondary grid lines, it is characterized in that, the secondary grid line of each bar is non-intersect, the end one of the secondary grid line of each bar is all arranged on cell piece end one place, the end two of the secondary grid line of each bar is all arranged on cell piece matrix end two place, between the both ends of the secondary grid line of each bar in the front of cell piece, all front main grid line for battery piece is not set, position relative with between secondary grid line both ends in metal back surface field does not all arrange cell piece back side main gate line.
2. a kind of crystal-silicon battery slice as shown in claim 1, is characterized in that, does not all arrange main gate line at the front and back of described cell piece matrix.
3. a kind of crystal-silicon battery slice as shown in claim 1, it is characterized in that, in the front of cell piece matrix, at least one front main grid line for battery piece is set, the metal back surface field at the back side of cell piece matrix arranges at least one cell piece back side main gate line, and the end that front main grid line for battery piece and cell piece back side main gate line are all positioned at cell piece is arranged along the edge of cell piece.
4. a kind of crystal-silicon battery slice as stated in claim 3, it is characterized in that, described front main grid line for battery piece is one, is electrically connected with the one/end, end two of secondary grid line, described cell piece back side main gate line is one, is positioned at two/end, end one place of secondary grid line.
5. a kind of crystal-silicon battery slice as stated in claim 3, it is characterized in that, described front main grid line for battery piece is two, and the two adjacent edge portions along cell piece intersect and arrange, and wherein a front main grid line for battery piece is electrically connected with the one/end, end two of secondary grid line; Described cell piece back side main gate line is two, and the other two adjacent edge portions along cell piece intersect and arrange, and two/end, end one that wherein one case cell piece back side main gate line corresponds to secondary grid line is arranged.
6. a kind of crystal-silicon battery slice as stated in claim 3, it is characterized in that, described front main grid line for battery piece is one, be electrically connected with the one/end, end two of secondary grid line, described cell piece back side main gate line is three, wherein cell piece back side main gate line is positioned at two/end, end one place of secondary grid line, and one end of two other cell piece back side main gate line is electrically connected with the corresponding end of cell piece back side main gate line at two/end, end one place being positioned at secondary grid line respectively.
7. a kind of crystal-silicon battery slice shown in one of as every in claim 1-5, it is characterized in that, described secondary grid line be arranged in parallel along the edge of cell piece, and front main grid line for battery piece is parallel with main gate line with cell piece back side main gate line or vertically arrange.
8. a crystal silicon battery assembly, comprise at least one group of battery component string be made up of the cell piece of at least two series connection, be connected in series between each battery component string, it is characterized in that, adopt the cell piece described in any one of claim 1-6, in each battery component string, two adjacent cell pieces are fixedly electrically connected in series by cell piece metal back surface field that the end two of the secondary grid line of front cell piece is corresponding with end one place of rear cell piece pair grid line is stacked.
9. a kind of crystal silicon battery assembly as claimed in claim 8, is characterized in that, described two adjacent cell pieces are by conductive tape or the fixing electrical connection of welding.
10. a kind of crystal silicon battery assembly as claimed in claim 8, it is characterized in that, described photovoltaic cell component comprises at least two battery component strings, each battery component string arranged in parallel, and adjacent two row's head ends of battery components or tail end are fixedly connected with by convergent belt or welding or battery adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520102227.7U CN204348734U (en) | 2015-02-07 | 2015-02-07 | A kind of crystal-silicon battery slice and crystal silicon battery assembly |
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| CN201520102227.7U CN204348734U (en) | 2015-02-07 | 2015-02-07 | A kind of crystal-silicon battery slice and crystal silicon battery assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104659122A (en) * | 2015-02-07 | 2015-05-27 | 秦皇岛博硕光电设备股份有限公司 | Crystalline silicon battery piece, crystalline silicon battery assembly as well as connection method of crystalline silicon battery piece |
| CN104868841A (en) * | 2015-05-22 | 2015-08-26 | 协鑫集成科技股份有限公司 | Solar cell module |
| CN106098803A (en) * | 2015-05-22 | 2016-11-09 | 苏州沃特维自动化***有限公司 | A kind of solar battery sheet unit preparation method and solar module |
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- 2015-02-07 CN CN201520102227.7U patent/CN204348734U/en active Active
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| CN104659122A (en) * | 2015-02-07 | 2015-05-27 | 秦皇岛博硕光电设备股份有限公司 | Crystalline silicon battery piece, crystalline silicon battery assembly as well as connection method of crystalline silicon battery piece |
| CN104868841A (en) * | 2015-05-22 | 2015-08-26 | 协鑫集成科技股份有限公司 | Solar cell module |
| CN106098803A (en) * | 2015-05-22 | 2016-11-09 | 苏州沃特维自动化***有限公司 | A kind of solar battery sheet unit preparation method and solar module |
| CN106098819A (en) * | 2015-05-22 | 2016-11-09 | 苏州沃特维自动化***有限公司 | Solar battery sheet, solar module, cell piece unit and preparation method thereof |
| WO2016188146A1 (en) * | 2015-05-22 | 2016-12-01 | 苏州沃特维自动化***有限公司 | Preparation method for solar cell piece unit and solar cell module |
| WO2016188145A1 (en) * | 2015-05-22 | 2016-12-01 | 苏州沃特维自动化***有限公司 | Solar cell piece, solar cell module, cell piece unit, and preparation method therefor |
| EP3297037A4 (en) * | 2015-05-22 | 2018-05-23 | Suzhou Autoway System Co., Ltd. | Preparation method for solar cell piece unit and solar cell module |
| EP3297039A4 (en) * | 2015-05-22 | 2018-05-23 | Suzhou Autoway System Co., Ltd. | Solar cell piece, solar cell module, cell piece unit, and preparation method therefor |
| JP2018515935A (en) * | 2015-05-22 | 2018-06-14 | 蘇州沃特維自動化系統有限公司Ｓｕｚｈｏｕ Ａｕｔｏｗａｙ Ｓｙｓｔｅｍ Ｃｏ．， Ｌｔｄ． | SOLAR BATTERY CELL, SOLAR BATTERY MODULE, BATTERY CELL UNIT, AND ITS MANUFACTURING METHOD |
| JP2018515934A (en) * | 2015-05-22 | 2018-06-14 | 蘇州沃特維自動化系統有限公司Ｓｕｚｈｏｕ Ａｕｔｏｗａｙ Ｓｙｓｔｅｍ Ｃｏ．， Ｌｔｄ． | Solar cell unit manufacturing method and solar cell module |
| AU2016269044B2 (en) * | 2015-05-22 | 2019-08-15 | Suzhou Autoway System Co., Ltd | Preparation method for solar cell piece unit and solar cell module |
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