CN104701402B - A kind of serial solar energy battery and forming method thereof - Google Patents
A kind of serial solar energy battery and forming method thereof Download PDFInfo
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- CN104701402B CN104701402B CN201310664717.1A CN201310664717A CN104701402B CN 104701402 B CN104701402 B CN 104701402B CN 201310664717 A CN201310664717 A CN 201310664717A CN 104701402 B CN104701402 B CN 104701402B
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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
-
- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
A kind of serial solar energy battery and forming method thereof, is related to solar battery array, including the N number of solar battery cell group being set up in parallel, the first wire group, is arranged on the upper surface of the solar battery array；Second wire group, is arranged on the lower surface of the solar battery array and is arranged at intervals with the first wire group；For each of solar battery cell group separately, the second electrode of its first electrode and the solar battery cell group of its side is covered and is connected and its first electrode is not connected with the second electrode of the solar battery cell group of its opposite side by the first wire group by the first wire group, and the first electrode of the solar battery cell group of its second electrode and its opposite side is covered and is connected and the first electrode of solar battery cell group of its second electrode and its side is not connected by the second wire group by the second wire group.
Description
Technical field
It is more specifically, of the invention the present invention relates to field of semiconductor manufacture, more particularly to solar cell manufacture field
It is related to a kind of serial solar energy battery and forming method thereof.
Background technology
Existing solar battery structure is typically to be initially formed solar battery sheet, and this solar battery sheet is complete
Platy structure, be the technology using silk-screen printing, print in the technique for entering row bus processing to existing solar battery sheet
Swiped through journey is that solar battery sheet is placed on print station first, and very fine printing screen is fixed on screen frame, put
Put above cell piece；The pattern that the need that having electrocondution slurry on silk screen can pass through are printed.Appropriate slurry is positioned over silk screen
On, slurry is smeared with scraper, it is uniformly filled among mesh.Slurry is passed through silk screen net by scraper during movement
Hole is expressed on cell piece.The temperature of this process, pressure, speed and its dependent variable all must be controlled strictly.In above-mentioned technology
In, another side will not be penetrated into due to printing because cell piece is integral structure, therefore positioned at the electrocondution slurry of one side.
However as the continuous innovation and development of area of solar cell technology, a kind of new solar cell knot is occurred in that
Structure, wherein each solar battery cell are independent, and such solar cell has processing cost and process aspect just
Profit, and the area of solar cell can be easily configured as needed.But screen printing technique described above is but not
It can be applied in such solar cell, because silk-screen printing can cause the electrocondution slurry of solar battery cell one side to exist
Another side is penetrated into during printing the performance of solar cell is affected the problems such as causing short circuit.
It is, therefore, desirable to provide a kind of method for the connection bus for forming solar cell, can avoid the hair of above-mentioned situation
It is raw, while solar cell is easily configured according to actual needs on the premise of solar cell properties are not influenceed,
Reduce manufacturing cost and be easy to application.
The content of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technological deficiency, realizes the tandem of connecting material bus structures
Solar cell.
Solar battery array, including the N number of solar battery cell group being set up in parallel, each solar battery cell group
Including an independent or multiple independent and type identical solar battery cell being set up in parallel；
First wire group, is arranged on the upper surface of the solar battery array, the first wire group include one or
A plurality of the first wire blocked；
Second wire group, is arranged on the lower surface of the solar battery array and is set with the first wire group interval
Put, the second wire group includes one or more the second wire blocked；
The solar battery cell includes：The solar battery cell of the first kind and the solar cell of Second Type
Unit, the solar battery cell of the first kind includes：First semiconductor layer, the second semiconductor layer being located below, point
Not Wei Yu the first semiconductor layer upper surface and the second semiconductor layer lower surface first, second electrode, the Second Type
Solar battery cell includes：First semiconductor layer, the second semiconductor layer located above, respectively under the first semiconductor layer
Surface and first, second electrode of the second semiconductor layer upper surface；
Wherein, for adjacent solar battery cell group, its type is different, for solar battery cell separately
Each of group, the second electrode of its first electrode and the solar battery cell group of its side is covered by the first wire group
And the second electrode of connection and its first electrode and the solar battery cell group of its opposite side is not connected by the first wire group
Connect, the first electrode of its second electrode and the solar battery cell group of its opposite side is covered and connected by the second wire group
Connect and the first electrode of the solar battery cell group of its second electrode and its side is not connected by the second wire group.
Alternatively, the first, second wire group includes conductive material, for connecting the wire group and the electrode.
Alternatively, the total current produced by each solar battery group is roughly equal.
Alternatively, the inner surface of the whole first wire group of conductive material covering and the second wire group.
Alternatively, the conductive material only covers first electrode and second electrode and passes through the first wire group of part and second
The inner surface of wire group.
Alternatively, first semiconductor layer is N-type, and second semiconductor layer is p-type.
Alternatively, the material of the first electrode and second electrode is aluminium, silver, argentalium alloy, nickel, copper and combinations thereof.
Alternatively, the first electrode, second electrode also have to be used to improve and connect with the first wire group and the second wire group
The key plate of the contact area of contact portion point.
Alternatively, also there is insulation side wall on the side wall of the solar battery cell.
Alternatively, the solar battery cell upper and lower surface also has insulating barrier, and the insulating barrier covers first electrode
Outside the first conductive layer surface and second electrode outside the second conductive layer surface.
Alternatively, produced by the solar battery cell in the 2n-1 solar battery cell group electric current and 2n
The electric current produced by solar battery cell in solar battery cell group is roughly equal, 1 ﹦<N ﹤ ﹦ [(N+1)/2].
Alternatively, in addition to battery glued membrane, the battery glued membrane wraps up the serial solar energy battery and is present in institute
State the gap between solar battery cell.
Alternatively, each solar battery group includes the solar battery cell of identical or different quantity.
Alternatively, when battery pack is odd number in solar panel, the electricity positioned at the end of solar battery array one
The first electrode of pond group is communicated with the outside by the first wire group and connect, the battery pack positioned at solar battery array another end
Second electrode is communicated with the outside by the second wire group and connect.
Alternatively, when battery pack is even number in solar panel, it is located at the end of solar battery array one
The first electrode of battery pack is communicated with the outside by the first wire group and connect, the battery pack positioned at another end of solar battery array
Second electrode be communicated with the outside and connect by the first wire group.
Alternatively, when battery pack is odd number in solar panel, it is located at the end of solar battery array one
The first electrode of battery pack is communicated with the outside by the second wire group and connect, the battery pack positioned at another end of solar battery array
Second electrode be communicated with the outside and connect by the first wire group.
Alternatively, when battery pack is even number in solar panel, it is located at the end of solar battery array one
The first electrode of battery pack is communicated with the outside by the second wire group and connect, the battery pack positioned at another end of solar battery array
Second electrode be communicated with the outside and connect by the second wire group.
In addition, present invention also offers the serial solar energy battery structure of other above-mentioned embodiments, including：
Solar battery array, including the N number of solar battery cell group being set up in parallel, each solar battery cell group
Including an independent or multiple independent and type identical solar battery cell being set up in parallel；
First propping bar group, the first propping bar group includes the first support of one or more non-conducting material formation
Grid, the propping bar is arranged on solar battery array upper surface；
First wire group, the first wire group includes the first wire that is corresponding with the first propping bar number, blocking,
Every the propping bar upper surface sets first wire；
Second propping bar group, the second propping bar group includes the second support of one or more non-conducting material formation
Grid, the propping bar is arranged on solar battery array lower surface；
Second wire group, the second wire group includes the second wire that is corresponding with the second propping bar number, blocking,
Every the propping bar lower surface sets second wire；
The solar battery cell includes：The solar battery cell of the first kind and the solar cell of Second Type
Unit, the solar battery cell of the first kind includes：First semiconductor layer, the second semiconductor layer being located below, point
Not Wei Yu the first semiconductor layer upper surface and the second semiconductor layer lower surface first, second electrode, wherein the Equations of The Second Kind
The solar battery cell of type includes：First semiconductor layer, the second semiconductor layer located above, respectively positioned at the first semiconductor
Layer lower surface and first, second electrode of the second semiconductor layer upper surface；
Wherein, for adjacent solar battery cell group, its type is different, for solar battery cell separately
Each of group, the second electrode of its first electrode and the solar battery cell group of its side is covered by the first wire group
And the second electrode of connection and its first electrode and the solar battery cell group of its opposite side is not connected by the first wire group
Connect, the first electrode of its second electrode and the solar battery cell group of its opposite side is covered and connected by the second wire group
Connect and the first electrode of the solar battery cell group of its second electrode and its side is not connected by the second wire group.
Alternatively, the first, second wire group includes conductive material, for connecting the wire group and the electrode.
Alternatively, the total current produced by each solar battery group is roughly equal.
Alternatively, the inner surface of the whole first wire group of conductive material covering and the second wire group.
Alternatively, the conductive material only covers first electrode and second electrode and passes through the first wire group of part and second
The inner surface of wire group.
Alternatively, first semiconductor layer is N-type, and second semiconductor layer is p-type.
Alternatively, the material of the first electrode and second electrode is aluminium, silver, argentalium alloy, nickel, copper and combinations thereof.
Alternatively, the first electrode, second electrode also have to be used to improve and connect with the first wire group and the second wire group
The key plate of the contact area of contact portion point.
Alternatively, also there is insulation side wall on the side wall of the solar battery cell.
Alternatively, the solar battery cell upper and lower surface also has insulating barrier, and the insulating barrier covers first electrode
Outside the first conductive layer surface and second electrode outside the second conductive layer surface.
Alternatively, produced by the solar battery cell in the 2n-1 solar battery cell group electric current and 2n
The electric current produced by solar battery cell in solar battery cell group is roughly equal, 1 ﹦<N ﹤ ﹦ [(N+1)/2].
Alternatively, in addition to battery glued membrane, the battery glued membrane wraps up the serial solar energy battery and is present in institute
State the gap between solar battery cell.
Alternatively, each solar battery group includes the solar battery cell of identical or different quantity.
Alternatively, when battery pack is odd number in solar panel, the electricity positioned at the end of solar battery array one
The first electrode of pond group is communicated with the outside by the first wire group and connect, the battery pack positioned at solar battery array another end
Second electrode is communicated with the outside by the second wire group and connect.
Alternatively, when battery pack is even number in solar panel, it is located at the end of solar battery array one
The first electrode of battery pack is communicated with the outside by the first wire group and connect, the battery pack positioned at another end of solar battery array
Second electrode be communicated with the outside and connect by the first wire group.
Alternatively, when battery pack is odd number in solar panel, it is located at the end of solar battery array one
The first electrode of battery pack is communicated with the outside by the second wire group and connect, the battery pack positioned at another end of solar battery array
Second electrode be communicated with the outside and connect by the first wire group.
Alternatively, when battery pack is even number in solar panel, it is located at the end of solar battery array one
The first electrode of battery pack is communicated with the outside by the second wire group and connect, the battery pack positioned at another end of solar battery array
Second electrode be communicated with the outside and connect by the second wire group.
Alternatively, the first wire group is in basic wave-like in the propping bar upper surface, and wave crest portions are protruded from
First propping bar edge so as to the contact electrode；The second wire group is in basic wave in the propping bar lower surface
Shape, wave crest portions protrude from the second propping bar edge so as to the contact electrode.The wave crest portions and key plate phase
Connection.
Alternatively, the first propping bar group includes two the first propping bars, respectively positioned at solar battery array upper surface
Both sides and it is placed in outside the electrode of the battery unit, is in contact with each battery unit.Second propping bar group includes two
Individual second propping bar, positioned at the both sides of solar battery array lower surface and is placed in outside the electrode of the battery unit respectively,
It is in contact with each battery unit.
In addition, present invention also offers the manufacture method of the serial solar energy battery of some above-mentioned embodiments, including step
Suddenly：
A, offer include the solar battery array for the N number of solar battery cell group being set up in parallel, each solar-electricity
Cell stack includes an independent or multiple independent and type identical solar battery cell being set up in parallel, for phase
Adjacent solar battery cell group, its type is different, and the type includes the first kind and Second Type, wherein the first kind
The solar battery cell of type includes：First semiconductor layer, the second semiconductor layer being located below, respectively positioned at the first semiconductor
Layer upper surface and first, second electrode of the second semiconductor layer lower surface；The solar cell list of wherein described Second Type
Member includes：First semiconductor layer, the second semiconductor layer located above, respectively positioned at the first semiconductor layer lower surface and second
First, second electrode of semiconductor layer upper surface；
B, the first propping bar group of offer and the first wire group, the first propping bar group include one or more non-conductive material
First propping bar of material, the first wire group includes first wire corresponding with the first propping bar number, at every
The propping bar upper surface sets first wire；
C, the first propping bar group is placed in the solar battery cell group upper surface, make the first wire group with
The electrode of solar battery array is connected；
D, the second propping bar group of offer and the second wire group, the second propping bar group include one or more non-conductive material
Second propping bar of material, the second wire group includes second wire corresponding with the second propping bar number, at every
The propping bar upper surface sets second wire；
E, the second propping bar group is placed in the one side that the solar battery cell group is not provided with the first propping bar group,
The second wire group is set to be connected with the electrode of solar battery array；
F, the first, second wire group is partly blocked, so that for each of solar battery cell group separately
It is individual, the second electrode of its first electrode and the solar battery cell group of its side by the first wire group cover and be connected and
Its first electrode is not connected with the second electrode of the solar battery cell group of its opposite side by the first wire group, and it second
The first electrode of the solar battery cell group of electrode and its opposite side by the second wire group cover and be connected and its
The first electrode of the solar battery cell group of two electrode and its sides is not connected by the second wire group.
Alternatively, the first, second wire group includes conductive material, for connecting the wire group and the electrode.
Alternatively, in addition to：It is step f, by drying the modes such as welding that conductive material and solar battery cell group is electric
Extremely it is connected.
Alternatively, the step of step b and d also includes patterning the conductive material, so that the conductive material covers
The part of first, second electrode contact of solar battery cell described in Gai Yu.
Alternatively, the step a, which is additionally included on first, second electrode, forms for improving and conductive contact part
Contact area key plate.
Alternatively, the step a is additionally included in the side wall formation insulation side wall of the solar battery cell.
Alternatively, the step a is additionally included in the upper and lower surface formation insulating barrier of the solar battery cell.
Alternatively, when battery pack is odd number in solar panel, the first wire group is set to be located at solar-electricity
The first electrode of the battery pack of the end of pond array one, which is communicated with the outside, to be connect, while setting the second wire group to be located at solar cell
The second electrode of the battery pack of another end of array, which is communicated with the outside, to be connect.
Alternatively, when battery pack is even number in solar panel, the first wire group is set to be located at solar-electricity
The first electrode of the battery pack of the end of pond array one, which is communicated with the outside, to be connect, while setting the first wire group to be located at solar cell
The second electrode of the battery pack of another end of array, which is communicated with the outside, to be connect.
Alternatively, when battery pack is odd number in solar panel, the second wire group is set to be located at solar-electricity
The first electrode of the battery pack of the end of pond array one, which is communicated with the outside, to be connect, while setting the first wire group to be located at solar cell
The second electrode of the battery pack of another end of array, which is communicated with the outside, to be connect.
Alternatively, when battery pack is even number in solar panel, the second wire group is set to be located at solar-electricity
The first electrode of the battery pack of the end of pond array one, which is communicated with the outside, to be connect, while setting the second wire group to be located at solar cell
The second electrode of the battery pack of another end of array, which is communicated with the outside, to be connect.
Alternatively, the step of step b and d also includes patterning the conductive material, so that the conductive material covers
The part of first, second electrode contact of solar battery cell described in Gai Yu.
Alternatively, the step b includes：The first wire with basic wave-like is provided, wave crest portions are set prominent
For the first propping bar edge so as to the contact electrode；And the step d includes：There is provided has basic wave-like
The second wire, wave crest portions be set protrude from the second propping bar edge so as to the contact electrode alternatively, it is described
Wave crest portions are connected with key plate.
Alternatively, the step b includes：Offer includes the first propping bar group of two the first propping bars；And the step
Rapid c includes：The propping bar is respectively arranged at the both sides of solar battery array upper surface and the battery unit is placed in
Outside electrode, it is in contact with each battery unit.
Alternatively, the step d includes：Offer includes the second propping bar group of two the second propping bars；And the step
Rapid e includes：By the propping bar be respectively arranged at solar battery array be not provided with the first propping bar group one side both sides and
Outside the electrode for being placed in the battery unit, it is in contact with each battery unit.
More preferably, produced by the solar battery cell in the 2n-1 solar battery cell group electric current and 2n
The electric current produced by solar battery cell in solar battery cell group is roughly equal, 1 ﹦<N ﹤ ﹦ [(N+1)/2].
It is different from existing solar battery structure, each solar cell list in solar battery array of the invention
Member is independent, so as to easily configure the area of solar cell as needed.And to existing solar cell
Piece enters in the technique of row bus processing, is the technology using silk-screen printing, because cell piece is integral structure, therefore positioned at one
The conductive material in face will not penetrate into another side due to printing.But this technology can not be applied to the present invention, the present invention
Battery unit be independent, it is another that silk-screen printing can cause the conductive material of solar battery cell one side to be penetrated into printing
Simultaneously so that the performance of solar cell is affected.And utilize the connecting material bus of the formation solar cell of the present invention
Method, can avoid the occurrence of it is above-mentioned, while making solar cell on the premise of solar cell properties are not influenceed
Easily configured according to actual needs, reduce manufacturing cost.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 (a) shows the top view of solar battery array according to a first embodiment of the present invention；
Fig. 1 (b) shows viewgraph of cross-section of the solar battery array along A-A ' directions shown in Fig. 1 (a)；
Fig. 2 (a) shows the top view of the first wire group according to a first embodiment of the present invention；
Fig. 2 (b) shows viewgraph of cross-section of wire group shown in Fig. 2 (a) along A-A ' directions；
Fig. 3 (a) shows the top view of the first wire group for covering conductive material according to a first embodiment of the present invention；
Fig. 3 (b) shows viewgraph of cross-section of the wire group along A-A ' directions shown in Fig. 3 (a)；
Fig. 4 (a) shows being arranged on solar battery array in the first wire group according to a first embodiment of the present invention
Top view；
Fig. 4 (b) shows viewgraph of cross-section of the solar battery array along A-A ' directions shown in Fig. 4 (a)；
Fig. 5 (a) show according to a first embodiment of the present invention the second wire is set on the solar battery array
The top view of group；
Fig. 5 (b) shows viewgraph of cross-section of the solar battery array along A-A ' directions shown in Fig. 5 (a)；
Fig. 5 (c) shows viewgraph of cross-section of the solar battery array along B-B ' directions shown in Fig. 5 (a)；
Fig. 6 (a) show the first wire group and the second wire group of first embodiment of the invention partly blocked after too
The top view of positive energy array；
Fig. 6 (b) shows cross sectional view of the solar battery array along A-A ' directions shown in Fig. 6 (a)；
Fig. 6 (c) shows cross sectional view of the solar battery array along B-B ' directions shown in Fig. 6 (a)；
Fig. 7 (a) show according to a second embodiment of the present invention the first wire is set on the solar battery array
The top view of group and the second wire group；
Fig. 7 (b) shows viewgraph of cross-section of the solar battery array along A-A ' directions shown in Fig. 7 (a)；
Fig. 7 (c) shows viewgraph of cross-section of the solar battery array along B-B ' directions shown in Fig. 7 (a)；
Fig. 8 (a) show the first wire group and the second wire group of second embodiment of the invention partly blocked after too
The top view of positive energy array；
Fig. 8 (b) shows cross sectional view of the solar battery array along A-A ' directions shown in Fig. 8 (a)；
Fig. 8 (c) shows cross sectional view of the solar battery array along B-B ' directions shown in Fig. 8 (a)；
Fig. 9 (a) shows the top view of solar battery array according to a third embodiment of the present invention；
Fig. 9 (b) shows viewgraph of cross-section of the solar battery array along A-A ' directions shown in Fig. 9 (a)；
Figure 10 (a) shows the top view of propping bar according to a third embodiment of the present invention；
Figure 10 (b) shows viewgraph of cross-section of the propping bar shown in Figure 10 (a) along A-A ' directions；
Figure 10 (c) shows the top view of propping bar and wire according to a third embodiment of the present invention；
Figure 10 (d) shows the viewgraph of cross-section of propping bar and wire along A-A ' directions shown in Figure 10 (c)；
Figure 11 shows that shown first propping bar group and the first wire group are placed in the top view of battery pack upper surface；
Figure 12 (a) shows that the first wire group is placed in battery pack upper surface after shown first propping bar group and part cutting
Top view；
Figure 12 (b) shows that the second wire group is placed in battery pack lower surface after shown second propping bar group and part cutting
Upward view；
Figure 12 (c) shows the viewgraph of cross-section along A-A ' directions of the solar battery array shown in Figure 12 (a).
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
First embodiment
Adjacent solar-electricity in the first embodiment of the present invention, solar battery array will be described with reference to the accompanying drawings below
Solar battery cell has different types in the group of pond.
Specifically, referring to Fig. 1 (a), (b) first, in step a, there is provided include the N number of solar cell list being set up in parallel
The solar battery array 101 of tuple, wherein solar battery cell include two types, the 2n-1 solar battery cell
101-1,101-3 are the first kind, and the 2n solar battery cell 101-2,101-4 is Second Type, wherein, 1 ﹦<N ﹤ ﹦
[(N+1)/2], that is to say, that the solar battery cell of odd number is a type, the solar cell list of even number
Member is another type.
In the present embodiment, each solar battery cell group includes an independent solar battery cell, and N is 4,
4 solar battery cell group 100-1 ... 100-4 are provided, each stacks of cells only includes a solar battery cell
101-1 ... 101-4, the 1st, 3 solar battery cell 101-1,101-3 are the first kind, the 2nd, 4 solar battery cell
101-2,101-4 is Second Type.The solar battery cell of the first kind includes：First semiconductor layer, it is located below
The second semiconductor layer, positioned at the first electrode 102-1 ... 102-4 of the first semiconductor layer upper surface and positioned at the second semiconductor layer
The second electrode 103-1 ... 103-4 of lower surface, the solar battery cell of the Second Type includes：First semiconductor layer, position
In the second semiconductor layer above, positioned at the first electrode 102-1 ... 102-4 of the first semiconductor layer lower surface and positioned at the second half
The second electrode 103-1 ... 103-4 of conductor layer upper surface.In another embodiment, also in solar battery cell side wall
Form insulation side wall (not shown).It is also possible to be formed on first, second electrode for improving with connecting simultaneously
Connect the key plate (not shown) of the contact area of material contacting portion.
More preferably, also include insulating barrier for described solar battery cell, insulating barrier covering first electrode it
The surface of the second conductive layer outside the surface of the first outer conductive layer and second electrode, that is to say, that the insulating barrier is covered
The surface for the first semiconductor layer not covered by first electrode and the second semiconductor layer for not covered by second electrode
Surface, so, for each solar battery cell, can be stopped in solar battery cell one side by the insulating barrier
The short circuit of upper/lower electrode caused by conductive material is flowed on the solar battery cell another side.
Wherein described term " upper surface ", " lower surface ", " above ", " following " merely illustrate the solar cell list
Relative position relation between each part of member, therefore work as in the forming process of solar cell to the solar battery cell
Carry out displacement, upset or it is reverse when, this relative position relation may occur reverse or change.
Solar energy in integrally formed solar battery sheet different from the past, solar battery array 101 of the invention
Battery unit 101-1 ... 101-4 is separate battery unit, comprising battery unit quantity and each battery unit
Area can actually determine as needed, particularly can actually be determined according to the required electric current reached and voltage.For
Battery component power output after optimization series connection, it is preferable that solar energy in above-mentioned odd number solar battery cell group
Electric current produced by battery unit is substantially equal to produced by the solar battery cell in even number solar battery cell group
Electric current, therefore, the area and even number solar energy of the solar battery cell in odd number solar battery cell group
The area of solar battery cell in stacks of cells can be different, and this is due to structure, transformation efficiency and the entering light of battery
The not equal factor in face together decides on the size of its electric current.The solar battery cell can also include other intermediate layers or mix
Miscellaneous area, these can be arranged as required to, and be unable to the limitation as the present invention.The Top electrode can be finger line,
Its material includes but is not limited to aluminium, silver, argentalium alloy, nickel, copper etc., and its thickness is preferably 5 microns -100 microns.
Then in step b there is provided the first wire group 201, Fig. 2 (a) shows that according to embodiments of the present invention every group includes 2
The top view of root wire 201-1,201-2 the first wire group 201, Fig. 2 (b) shows the transversal of along along Fig. 2 (a) A-A ' directions
Face view.Certain wire group can also include the wire of other quantity.Wire can be thin for copper cash, aluminum steel, silver wire, parcel TiN
The copper cash of film or other conductive metallic materials.The width of the line is preferably 20 microns -300 microns, and thickness is preferably 20 micro-
- 300 microns of rice.As shown in Fig. 3 (a), the length of wherein wire is the guide line upper numerical value extended along the x-axis direction, and width refers to
Wire is upper along the numerical value extended along the y-axis direction, and thickness refers to the upper numerical value extended along the z-axis direction.The cross section of wire can be,
But it is not limited to circle, oval and rectangle.Then, as shown in Fig. 4 (a), (b), covered in the only inner surface of the first wire group
Conducting resinl, wherein the inner surface of the wire group is the solar battery array and its electrode contact with will be described in more detail below
Surface.In another embodiment, conductive material can be covered by way of patterning, so that conducting resinl is placed only in and the
First, the part of second electrode contact, the connection bus for forming solar battery cell.The conducting resinl can be elargol or
Other conducting resinls, the conductive material can be that the thickness of the materials such as the scolding tin of various electrical connections covering conducting resinl can be with inciting somebody to action
The thickness for the Top electrode being described below matches, preferably 5 microns -100 microns.
As shown in Fig. 5 (a), (b), the first wire group is arranged in step c, by the solar battery array 101
On 201, make each of the first wire group contact the multiple battery unit 101-1 ..., 101-4, wherein described first
The surface of wire group covering conductive material and the electrode contact of the solar battery cell.
Step d, with the step c similarly there is provided with the spaced second wire group of the first wire group 201
202, cover conductive material in the inner surface of the second wire group.The second wire group 202 is 2 in the present embodiment,
It is of course possible to the connecting material including other quantity.
Shown in step e, such as Fig. 5 (a)-(c), the one side that the solar battery array is not covered into the first wire group is set
Put in the second wire group, make the second wire group contact the multiple battery unit each, wherein described the
The surface of two wire groups covering conducting resinl and the electrode contact of the solar battery cell.
Shown in the step f, such as 6 (a)-(c), the first, second wire group is partly blocked, so that for separately too
Each of positive energy battery unit (namely solar battery cell group), its first electrode and the solar battery cell of its side
Second electrode by the first wire group cover and connect and its first electrode and its opposite side solar battery cell
Second electrode is not connected by the first wire group, its second electrode and the first electricity of the solar battery cell of its opposite side
Pole is covered and connected and its second electrode and the first electrode of the solar battery cell of its side by the second wire group
Do not connected by the second wire group.
Then, step f, by the method such as drying, welding, clamping or bonding by conductive material and wire group, electrode and
Solar battery group is connected.
Alternatively, when battery pack is odd number in solar cell, the first wire group is set to be located at solar cell
The first electrode of the battery pack of the end of array one, which is communicated with the outside, to be connect, while setting the second wire group to be located at solar array
The second electrode for arranging the battery pack of another end is communicated with the outside and connect.
Alternatively, when battery pack is even number in solar cell, the first wire group is set to be located at solar cell
The first electrode of the battery pack of the end of array one, which is communicated with the outside, to be connect, while setting the first wire group to be located at solar array
The second electrode for arranging the battery pack of another end is communicated with the outside and connect.
Alternatively, when battery pack is odd number in solar cell, the second wire group is set to be located at solar cell
The first electrode of the battery pack of the end of array one, which is communicated with the outside, to be connect, while setting the first wire group to be located at solar array
The second electrode for arranging the battery pack of another end is communicated with the outside and connect.
Alternatively, when battery pack is even number in solar cell, the second wire group is set to be located at solar cell
The first electrode of the battery pack of the end of array one, which is communicated with the outside, to be connect, while setting the second wire group to be located at solar array
The second electrode for arranging the battery pack of another end is communicated with the outside and connect.
Above is the forming method of the serial solar energy battery of the invention described according to the first embodiment of the present invention.
Second embodiment
Above to the serial solar energy battery with different types of solar battery cell of the embodiment of the present invention one
It is described in detail, is below illustrated the aspect that embodiment one only is different from regard to embodiment two, the part not described
It will be understood that employing similar structure with embodiment one and being connected, repeat no more.
Relative to embodiment one, the main distinction of embodiment two is, include in solar battery cell group it is multiple too
Positive energy battery unit, these solar battery cells are set up in parallel, and are independent battery unit, and type is identical.That is,
In embodiment two, multiple solar battery cells in solar battery cell group are same type, adjacent solar-electricity
Battery unit in cell stack is different type.
First, in step a, there is provided the solar battery array for including the N number of solar battery cell group being set up in parallel
101, the wherein solar battery cell in solar battery cell group includes two types, the 2n-1 solar battery cell
Solar battery cell in group is that the solar battery cell in the first kind, the 2n solar battery cell group is second
Type, wherein, 1 ﹦<N ﹤ ﹦ [(N+1)/2].
Specifically, in the present embodiment, there is provided 2 solar battery cell group 100-1 ', 100- with reference to shown in Fig. 7 (a)
2 ', i.e. N are 2, and each solar battery cell group includes 2 solar battery cells, i.e., the 1st solar battery cell group
100-1 ' includes solar battery cell 101-1 ', the 101-2 ' of arranged side by side, the independent first kind, the 2nd solar-electricity
Cell stack 100-2 ' includes solar battery cell 101-3 ', the 101-4 ' of arranged side by side, independent Second Type.Herein only
For example, in other embodiments, the solar cell of varying number can also be included in different solar battery cell groups
Unit.
Then, the step b in be the same as Example one to step e, with reference to shown in Fig. 7 (a) -7 (c), in solar battery array
The each solar battery cell of two sides covering connection the first wire group 201 ' and the second wire group 202 ', so, in the sun
The structure of parallel connection is formd between the inside of energy stacks of cells, battery unit.
Then, as shown in Fig. 8 (a) -8 (c), the first wire group 201 ' and the second wire group 202 ' is partly blocked, is so made
Obtain each of solar battery cell group separately, its first electrode and the second of the solar battery cell group of its side
Electrode is covered and connected and its first electrode and the second of the solar battery cell group of its opposite side by the first wire group
Electrode is not connected by the first wire group, the first electrode of its second electrode and the solar battery cell group of its opposite side
By the second wire group cover and connect and its second electrode and its side solar battery cell group first electrode
Do not connected by the second wire group.So, cascaded structure is formed between solar battery cell group.
Then, the steps, be the same as Example one such as drying conductive material connection can be carried out.So far, implementation of the present invention is formd
The solar battery structure connected again after the parallel connection of example two.
The forming method of the serial solar energy battery of the present invention has been carried out in detail above in relation to first, second embodiment
Description, in addition, present invention also offers the solar cell obtained according to the above embodiments, including：Solar cell
Array, including the N number of solar battery cell group being set up in parallel, each solar battery cell group include one it is independent or many
The individual independent and type identical solar battery cell being set up in parallel；
First wire group, is arranged on the upper surface of the solar battery array；
Second wire group, is arranged on the lower surface of the solar battery array and is set with the first wire group interval
Put；
The solar battery cell includes：The solar battery cell of the first kind and the solar cell of Second Type
Unit, the solar battery cell of the first kind includes：First semiconductor layer, the second semiconductor layer being located below, point
Not Wei Yu the first semiconductor layer upper surface and the second semiconductor layer lower surface first, second electrode, the Second Type
Solar battery cell includes：First semiconductor layer, the second semiconductor layer located above, respectively under the first semiconductor layer
Surface and first, second electrode of the second semiconductor layer upper surface.
Wherein, for adjacent solar battery cell group, its type is different, for solar battery cell separately
Each of group, the second electrode of its first electrode and the solar battery cell group of its side is covered by the first wire group
And the second electrode of connection and its first electrode and the solar battery cell group of its opposite side is not connected by the first wire group
Connect, the first electrode of its second electrode and the solar battery cell group of its opposite side is covered and connected by the second wire group
Connect and the first electrode of the solar battery cell group of its second electrode and its side is not connected by the second wire group.
Selectively, as needed, the conductive material can cover the whole first wire group and the second wire group
Inner surface or the conductive material only cover first electrode and second electrode and led by the first wire group of part and second
The inner surface of line group.
More preferably, the first electrode, second electrode also have to be used to improve and connect with the first wire group and the second wire group
The key plate of the contact area of contact portion point.More preferably, also there is insulation side wall on the side wall of the solar battery cell.It is described
Solar battery cell upper and lower surface also has the first semiconductor layer outside insulating barrier, the insulating barrier covering first electrode
The surface of the second semiconductor layer outside surface and second electrode.More preferably, in the 2n-1 solar battery cell group
Produced by the solar battery cell in electric current and the 2n solar battery cell group produced by solar battery cell
Electric current is roughly equal, 1 ﹦<N ﹤ ﹦ [(N+1)/2].
For above-mentioned series-connected solar cells, battery glued membrane is can further include, the battery glued membrane parcel is described
Serial solar energy battery and the gap being present between the solar battery cell.
3rd embodiment
Above to the serial solar energy battery with different types of solar battery cell of the embodiment of the present invention one
It is described in detail, is below illustrated the aspect that embodiment one only is different from regard to embodiment three, the part not described
It will be understood that employing similar structure with embodiment one and being connected, repeat no more.
The third embodiment of the present invention will be described with reference to the accompanying drawings below, existed in the difference of 3rd embodiment and first embodiment
In providing the first propping bar group and the first wire group in stepb, wherein the first propping bar group includes two non-conducting materials
First propping bar, the first wire group includes two first wires, and the second propping bar group and the second wire group are provided in step d,
Wherein the second propping bar group includes the second propping bar of two non-conducting materials, and the second wire group includes two second wires.
Specifically, referring to Fig. 9 (a), (b), in step a, there is provided include the N number of solar battery cell group being set up in parallel
Solar battery array 101, wherein solar battery cell include two types, the 2n-1 solar battery cell 101-
1,101-3 is the first kind, and the 2n solar battery cell 101-2,101-4 is Second Type, wherein, 1 ﹦<N ﹤ ﹦ [(N+
1)/2]。
In the present embodiment, each solar battery cell group includes an independent solar battery cell, and N is 4,
4 solar battery cell 101-1 ... 101-4 are provided, each stacks of cells only includes a solar battery cell
101-1 ... 101-4, the 1st, 3 solar battery cell 101-1,101-3 are the first kind, the 2nd, 4 solar battery cell
101-2,101-4 is Second Type.The solar battery cell of the first kind includes：First semiconductor layer, it is located below
The second semiconductor layer, positioned at the first electrode 102-1 ... 102-4 of the first semiconductor layer upper surface and positioned at the second semiconductor layer
The second electrode 103-1 ... 103-4 of lower surface, the solar battery cell of the Second Type includes：First semiconductor layer, position
In the second semiconductor layer above, positioned at the first electrode 102-1 ... 102-4 of the first semiconductor layer lower surface and positioned at the second half
The second electrode 103-1 ... 103-4 of conductor layer upper surface.Formed at the two ends of first, second electrode for improving with connecting
Connect the key plate of the contact area of material contacting portion.In another embodiment, also in the solar battery cell side wall shape
Into insulation side wall (not shown).
In step b, d, such as Figure 10 (a), (b), (c), shown in (d) there is provided the first propping bar 301 or the second propping bar (not
Show) and wire, include the first wire or the second wire (not shown) of non-conducting material, basic wave-like, and covering
Conductive material in wire group.The material of the non-conducting material can such as glass, PET, PVC, rubber and lucite
Deng thickness is preferably 100 microns to 5 millimeters.
In step c, e, such as shown in Figure 11,12 (a)-(c), by two first propping bars 301 and the first wire
Combination is arranged on solar battery array upper surface, and the both sides positioned at solar battery array upper surface, first wire covers
The inner surface of lid conductive material is connected with the electrode of the solar battery cell.The solar battery array is overturn, by institute
State solar battery array and do not cover the one side of the first wire group 401 and be arranged on and the first propping bar and the first wire identical two
On bar the second propping bar 302 and the second wire, conductive material is covered in the inner surface of second wire, second wire covers
The surface of lid conductive material is connected with the electrode of the solar battery cell.First wire group of so basic wave-like
The wave crest portions of 401 second wire groups 402 can protrude from first/second propping bar edge so as to the contact electrode.
In the case of being provided with key plate on electrode, the wave crest portions are connected with key plate.
In step f, such as shown in Figure 12 (a)-(c), the first wire group 401 and the second wire group 402 are partly blocked,
So that each for solar battery cell group separately, its first electrode and the solar battery cell group of its side
Second electrode by the first wire group cover and connect and its first electrode and its opposite side solar battery cell group
Second electrode do not connected by the first wire group, the of the solar battery cell group of its second electrode and its opposite side
One electrode by the second wire group cover and connect and its second electrode and its side solar battery cell group the
One electrode is not connected by the second wire group.
Alternatively, in step f, dry the conducting resinl and the solar battery structure is annealed.
Alternatively, the step of the step b and d also includes patterning the conducting resinl, so that the conducting resinl is covered
In the part with first, second electrode contact of the solar battery cell.
Alternatively, in the step a, battery glued membrane is added on the non-conducting material surface.
Certainly, it is described to be carried out after wire is set to propping bar the step of block wire, can also be in propping bar
It is placed into after solar battery array and carries out.
Enter in the present embodiment and in diagram so that solar battery group includes an independent solar cell as an example
Row explanation, certainly, can also include the independent solar battery cell of other quantity in each solar battery group.
Detailed retouch has been carried out to the forming method of the serial solar energy battery of the present invention above in relation to 3rd embodiment
State, in addition, present invention also offers the solar cell obtained according to the above embodiments, including：
Solar battery array, including the N number of solar battery cell group being set up in parallel, each solar battery cell group
Including an independent or multiple independent and type identical solar battery cell being set up in parallel；
First propping bar group, the first propping bar group includes the first support of one or more non-conducting material formation
Grid, the propping bar is arranged on solar battery array upper surface；
First wire group, the first wire group includes the first wire that is corresponding with the first propping bar number, blocking,
Every the propping bar upper surface sets first wire；
Second propping bar group, the second propping bar group includes the second support of one or more non-conducting material formation
Grid, the propping bar is arranged on solar battery array lower surface；
Second wire group, the second wire group includes the second wire that is corresponding with the second propping bar number, blocking,
Every the propping bar lower surface sets second wire；
The solar battery cell includes：The solar battery cell of the first kind and the solar cell of Second Type
Unit, the solar battery cell of the first kind includes：First semiconductor layer, the second semiconductor layer being located below, point
Not Wei Yu the first semiconductor layer upper surface and the second semiconductor layer lower surface first, second electrode, wherein the Equations of The Second Kind
The solar battery cell of type includes：First semiconductor layer, the second semiconductor layer located above, respectively positioned at the first semiconductor
Layer lower surface and first, second electrode of the second semiconductor layer upper surface；
Wherein, for adjacent solar battery cell group, its type is different, for solar battery cell separately
Each of group, the second electrode of its first electrode and the solar battery cell group of its side is covered by the first wire group
And the second electrode of connection and its first electrode and the solar battery cell group of its opposite side is not connected by the first wire group
Connect, the first electrode of its second electrode and the solar battery cell group of its opposite side is covered and connected by the second wire group
Connect and the first electrode of the solar battery cell group of its second electrode and its side is not connected by the second wire group.
Selectively, as needed, the conductive material can cover the whole first wire group and the second wire group
Inner surface or the conductive material only cover first electrode and second electrode and led by the first wire group of part and second
The inner surface of line group.
Alternatively, the total current produced by each solar battery group is roughly equal.
More preferably, also there is insulation side wall on the side wall of the solar battery cell.
More preferably, the solar battery cell upper and lower surface also has insulating barrier, and the insulating barrier covers first electrode
Outside the first semiconductor layer surface and second electrode outside the second semiconductor layer surface.
More preferably, produced by the solar battery cell in the 2n-1 solar battery cell group electric current and 2n
The electric current produced by solar battery cell in solar battery cell group is roughly equal, 1 ﹦<N ﹤ ﹦ [(N+1)/2].
More preferably, the first wire group is in basic wave-like in the propping bar upper surface, and wave crest portions are protruded from
First propping bar edge so as to the contact electrode；The second wire group is in basic wave in the propping bar lower surface
Shape, wave crest portions protrude from the second propping bar edge so as to the contact electrode.The wave crest portions and key plate phase
Connection.
More preferably, wherein the first propping bar group includes two the first propping bars, respectively positioned at solar battery array upper table
The both sides in face and it is placed in outside the electrode of the battery unit, is in contact with each battery unit.
More preferably, wherein the second propping bar group includes two the second propping bars, respectively positioned at solar battery array following table
The both sides in face and it is placed in outside the electrode of the battery unit, is in contact with each battery unit.
For above-mentioned series-connected solar cells, battery glued membrane is can further include, the battery glued membrane parcel is described
Serial solar energy battery and the gap being present between the solar battery cell.
In the present invention, each solar battery group can include the solar battery cell of identical or different quantity.
It is different from existing solar battery structure, each solar cell list in solar battery array of the invention
Member is independent, so as to easily configure the area of solar cell as needed.And to existing solar cell
Piece enters in the technique of row bus processing, is the technology using silk-screen printing, because cell piece is integral structure, therefore positioned at one
The conductive material in face will not penetrate into another side due to printing.But this technology can not be applied to the present invention, the present invention
Battery unit be independent, it is another that silk-screen printing can cause the conductive material of solar battery cell one side to be penetrated into printing
Simultaneously so that the performance of solar cell is affected.And utilize the connecting material bus of the formation solar cell of the present invention
Method, can avoid the occurrence of it is above-mentioned, while making solar cell on the premise of solar cell properties are not influenceed
Easily configured according to actual needs, reduce manufacturing cost.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (36)
1. a kind of serial solar energy battery, including：
Solar battery array, including the N number of solar battery cell group being set up in parallel, each solar battery cell group include
One independent or multiple independent and type identical solar battery cell being set up in parallel；
First propping bar group, the first propping bar group includes the first propping bar of one or more non-conducting material formation, institute
State propping bar and be arranged on solar battery array upper surface；
First wire group, the first wire group includes the first wire that is corresponding with the first propping bar number, blocking, every
The propping bar upper surface sets first wire；
Second propping bar group, the second propping bar group includes the second propping bar of one or more non-conducting material formation, institute
State propping bar and be arranged on solar battery array lower surface；
Second wire group, the second wire group includes the second wire that is corresponding with the second propping bar number, blocking, every
The propping bar lower surface sets second wire；
The solar battery cell includes：The solar battery cell of the first kind and the solar cell list of Second Type
Member, the solar battery cell of the first kind includes：First semiconductor layer, the second semiconductor layer being located below, respectively
Positioned at the first semiconductor layer upper surface and first, second electrode of the second semiconductor layer lower surface, wherein the Second Type
Solar battery cell include：First semiconductor layer, the second semiconductor layer located above, respectively positioned at the first semiconductor layer
Lower surface and first, second electrode of the second semiconductor layer upper surface；
Wherein, for adjacent solar battery cell group, its type is different, for solar battery cell group separately
Each, the second electrode of its first electrode and the solar battery cell group of its side is covered and connected by the first wire group
Connect and its first electrode is not connected with the second electrode of the solar battery cell group of its opposite side by the first wire group, its
The first electrode of the solar battery cell group of second electrode and its opposite side by the second wire group cover and be connected and
The first electrode of the solar battery cell group of its second electrode and its side is not connected by the second wire group；
The first wire group is in basic wave-like in the propping bar upper surface, and wave crest portions protrude from the first propping bar side
Edge so as to the contact electrode；The second wire group is in basic wave-like, crest portion in the propping bar lower surface
Point protrude from the second propping bar edge so as to the contact electrode.
2. serial solar energy battery according to claim 1, wherein, the first, second wire group includes conduction material
Material, for connecting the wire group and the electrode.
3. serial solar energy battery according to claim 1, wherein, the total current produced by each solar battery group
It is roughly equal.
4. serial solar energy battery according to claim 1, wherein, the conductive material is covered in first wire
The inner surface of group and the second wire group.
5. serial solar energy battery according to claim 2, wherein, the conductive material only covers first electrode and
First wire group of two electrode contact parts and the inner surface of the second wire group.
6. serial solar energy battery according to claim 2, wherein, first semiconductor layer is N-type, described second
Semiconductor layer is p-type.
7. serial solar energy battery according to claim 1, wherein, the material of the first electrode and second electrode is
Aluminium, silver, argentalium alloy, nickel, copper and combinations thereof.
8. serial solar energy battery according to claim 1, wherein, the first electrode, second electrode, which also have, to be used
In the key plate for improving the contact area with the first wire group and the second wire group contact portion.
9. serial solar energy battery according to claim 1, wherein, also have on the side wall of the solar battery cell
There is insulation side wall.
10. serial solar energy battery according to claim 1, wherein, the solar battery cell upper and lower surface is also
With insulating barrier, the outside the surface of the first semiconductor layer outside the insulating barrier covering first electrode and second electrode
The surface of two semiconductor layers.
11. serial solar energy battery according to claim 1, the battery pack positioned at the end of solar battery array one
First electrode is communicated with the outside by the first wire group and connect, positioned at the second electricity of the battery pack of another end of solar battery array
Pole is communicated with the outside by the second wire group and connect.
12. serial solar energy battery according to claim 1, it is located at the battery pack of the end of solar battery array one
First electrode be communicated with the outside and connect by the first wire group, positioned at the second of the battery pack of another end of solar battery array
Electrode is communicated with the outside by the first wire group and connect.
13. serial solar energy battery according to claim 1, it is located at the battery pack of the end of solar battery array one
First electrode be communicated with the outside and connect by the second wire group, positioned at the second of the battery pack of another end of solar battery array
Electrode is communicated with the outside by the first wire group and connect.
14. serial solar energy battery according to claim 1, it is located at the battery pack of the end of solar battery array one
First electrode be communicated with the outside and connect by the second wire group, positioned at the second of the battery pack of another end of solar battery array
Electrode is communicated with the outside by the second wire group and connect.
15. serial solar energy battery according to claim 1, in addition to battery glued membrane, the battery glued membrane wrap up institute
State serial solar energy battery and the gap being present between the solar battery cell.
16. serial solar energy battery according to claim 8, the wave crest portions are connected with key plate.
17. serial solar energy battery according to claim 1, wherein the first propping bar group includes two first supports
Grid, respectively positioned at solar battery array upper surface both sides and be placed in outside the electrode of the battery unit, it is and each described
Battery unit is in contact.
18. serial solar energy battery according to claim 1, wherein the second propping bar group includes two second supports
Grid, positioned at the both sides of solar battery array lower surface and are placed in outside the electrode of the battery unit respectively, and each described
Battery unit is in contact.
19. a kind of forming method of serial solar energy battery, comprises the following steps：
A, offer include the solar battery array for the N number of solar battery cell group being set up in parallel, each solar cell list
Tuple includes an independent or multiple independent and type identical solar battery cell being set up in parallel, for adjacent
Solar battery cell group, its type is different, and the type includes the first kind and Second Type, wherein the first kind
Solar battery cell includes：First semiconductor layer, the second semiconductor layer being located below, respectively on the first semiconductor layer
Surface and first, second electrode of the second semiconductor layer lower surface；The solar battery cell bag of wherein described Second Type
Include：First semiconductor layer, the second semiconductor layer located above, lead positioned at the first semiconductor layer lower surface and the second half respectively
First, second electrode of body layer upper surface；
B, the first propping bar group of offer and the first wire group, the first propping bar group include one or more non-conducting material
First propping bar, the first wire group includes first wire corresponding with the first propping bar number, described in every
Propping bar upper surface sets first wire；
C, the first propping bar group is placed in the solar battery cell group upper surface, makes the first wire group and the sun
The electrode of energy array is connected；
D, the second propping bar group of offer and the second wire group, the second propping bar group include one or more non-conducting material
The second propping bar, the second wire group include second wire corresponding with the second propping bar number, in every institute
State propping bar upper surface and one second wire is set；
E, the second propping bar group is placed in the one side that the solar battery cell group is not provided with the first propping bar group, makes institute
The second wire group is stated with the electrode of solar battery array to be connected；
F, the first, second wire group is partly blocked, so that each for solar battery cell group separately, its
The second electrode of first electrode and the solar battery cell group of its side by the first wire group cover and be connected and its
One electrode is not connected with the second electrode of the solar battery cell group of its opposite side by the first wire group, its second electrode
Covered and be connected and its second electricity by the second wire group with the first electrode of the solar battery cell group of its opposite side
The first electrode of the solar battery cell group of pole and its side is not connected by the second wire group；
Wherein, the step b includes：The first wire with basic wave-like is provided, wave crest portions, which are set, protrudes from the
One propping bar edge so as to the contact electrode；And the step d includes：Second with basic wave-like is provided
Wire, wave crest portions be set protrude from the second propping bar edge so as to the contact electrode.
20. forming method according to claim 19, wherein, the first, second wire group includes conductive material, is used for
Connect the wire group and the electrode.
21. forming method according to claim 19, wherein, first semiconductor layer is N-type, second semiconductor
Layer is p-type.
22. forming method according to claim 20, in addition to：Step b and d, conductive material is dried, welded,
Clamping or bonding.
23. forming method according to claim 20, wherein the step b and d also includes patterning the conductive material
The step of, so that the conductive material is covered in the part with first, second electrode contact of the solar battery cell.
24. forming method according to claim 19, wherein, the material of the electrode is aluminium, silver, argentalium alloy, nickel, copper
And combinations thereof.
25. forming method according to claim 19, wherein, the step a is additionally included on first, second electrode
Formed for improving the key plate with the contact area of conductive contact part.
26. forming method according to claim 19, wherein, the step a is additionally included in the solar battery cell
Side wall formation insulation side wall.
27. forming method according to claim 19, wherein, the step a is additionally included in the solar battery cell
Upper and lower surface formation insulating barrier.
28. forming method according to claim 19, wherein, the total current substantially phase produced by each solar battery group
Deng.
29. forming method according to claim 25, the wave crest portions are connected with key plate.
30. forming method according to claim 19, the step b includes：There is provided includes the of two the first propping bars
One propping bar group；And the step c includes：The propping bar is respectively arranged to the both sides of solar battery array upper surface
And be placed in outside the electrode of the battery unit, it is in contact with each battery unit.
31. forming method according to claim 19, the step d includes：There is provided includes the of two the second propping bars
Two propping bar groups；And the step e includes：The propping bar is respectively arranged at solar battery array and is not provided with first
Support the both sides of the one side of grid group and be placed in outside the electrode of the battery unit, be in contact with each battery unit.
32. forming method according to claim 19, in addition to battery glued membrane, the battery glued membrane wrap up the tandem
Solar cell and the gap being present between the solar battery cell.
33. forming method according to claim 19, sets the first wire group to be located at the end of solar battery array one
The first electrode of battery pack be communicated with the outside and connect, while setting the second wire group to be located at another end of solar battery array
The second electrode of battery pack be communicated with the outside and connect.
34. forming method according to claim 19, sets the first wire group to be located at the end of solar battery array one
The first electrode of battery pack be communicated with the outside and connect, while setting the first wire group to be located at another end of solar battery array
The second electrode of battery pack be communicated with the outside and connect.
35. forming method according to claim 19, sets the second wire group to be located at the end of solar battery array one
The first electrode of battery pack be communicated with the outside and connect, while setting the first wire group to be located at another end of solar battery array
The second electrode of battery pack be communicated with the outside and connect.
36. forming method according to claim 19, sets the second wire group to be located at the end of solar battery array one
The first electrode of battery pack be communicated with the outside and connect, while setting the second wire group to be located at another end of solar battery array
The second electrode of battery pack be communicated with the outside and connect.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299187A (en) * | 2010-06-25 | 2011-12-28 | 富士迈半导体精密工业（上海）有限公司 | Flexible solar cell device |
| CN202549853U (en) * | 2012-01-13 | 2012-11-21 | 比亚迪股份有限公司 | Solar battery module |
| CN203055952U (en) * | 2012-12-25 | 2013-07-10 | 云南拓日科技有限公司 | Novel solar photovoltaic module |
| CN103367509A (en) * | 2012-04-06 | 2013-10-23 | 聚日（苏州）科技有限公司 | Solar cell and formation method thereof |
-
2013
- 2013-12-09 CN CN201310664717.1A patent/CN104701402B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102299187A (en) * | 2010-06-25 | 2011-12-28 | 富士迈半导体精密工业（上海）有限公司 | Flexible solar cell device |
| CN202549853U (en) * | 2012-01-13 | 2012-11-21 | 比亚迪股份有限公司 | Solar battery module |
| CN103367509A (en) * | 2012-04-06 | 2013-10-23 | 聚日（苏州）科技有限公司 | Solar cell and formation method thereof |
| CN203055952U (en) * | 2012-12-25 | 2013-07-10 | 云南拓日科技有限公司 | Novel solar photovoltaic module |
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