CN206628483U - P-type PERC double-sided solar batteries, component and system - Google Patents
P-type PERC double-sided solar batteries, component and system Download PDFInfo
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- CN206628483U CN206628483U CN201720202732.8U CN201720202732U CN206628483U CN 206628483 U CN206628483 U CN 206628483U CN 201720202732 U CN201720202732 U CN 201720202732U CN 206628483 U CN206628483 U CN 206628483U
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- 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
- Y02E10/547—Monocrystalline silicon PV cells
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- 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
The utility model discloses a kind of p-type PERC double-sided solar batteries, including the back of the body silver-colored main grid, alum gate line, alum gate housing, back side silicon nitride, backside oxide aluminium film, P-type silicon, N-type emitter stage, front side silicon nitride film and positive silver electrode；The back side silicon nitride, backside oxide aluminium film, P-type silicon, N-type emitter stage, front side silicon nitride film and positive silver electrode stack gradually connection from bottom to up；The back side silicon nitride and backside oxide aluminium film are provided with 30 500 lbg areas be arrangeding in parallel, set at least 1 group of lbg unit in each lbg area, the alum gate line is connected by lbg area with P-type silicon；The alum gate line is with carrying on the back silver-colored main grid vertical connection；The alum gate housing is cubic frame, and alum gate housing is connected with alum gate line and the silver-colored main grid of the back of the body respectively.The invention also discloses a kind of p-type PERC double-sided solar batteries, component and system., can two-sided absorption sunshine, expansion battery applications scope and raising cell photoelectric conversion efficiency using the utility model.
Description
Technical field
It the utility model is related to area of solar cell, more particularly to a kind of p-type PERC double-sided solar batteries；This practicality
It is new to further relate to a kind of p-type PERC double-sided solar batteries, component and system.
Background technology
Crystal silicon solar batteries are a kind of effectively absorption solar radiant energies, and electricity is converted optical energy into using photovoltaic effect
Can device, when solar irradiation is in semiconductor P-N junction, form new hole-electron pair, it is empty in the presence of P-N junction electric field
Cave flows to P areas by N areas, and electronics flows to N areas by P areas, and electric current is just formed after connecting circuit.
Conventional crystalline silicon solar cell substantially only with front passivating technique, is sunk in front side of silicon wafer with PECVD mode
One layer of silicon nitride film of product, reduce recombination rate of few son on preceding surface, can significantly be lifted crystal silicon battery open-circuit voltage and
Short circuit current, so as to lift the photoelectric transformation efficiency of crystal silicon solar battery.
With the requirement more and more higher of the photoelectric transformation efficiency to crystal silicon battery, people begin one's study PERC the back of the body passivation sun
Battery technology.The focus of industry main flow producer concentrates on the volume production of one side PERC solar cells at present, and p-type PERC is two-sided too
Positive energy battery, because photoelectric transformation efficiency is high, while two-sided absorption sunshine, generated energy is higher, has in actual applications more
Big use value.But p-type PERC double-sided solar batteries are also only grinding of being done in laboratory of some research institutions at present
Study carefully, how the structure of p-type PERC double-sided solar batteries is optimized so as to adapt to produce in enormous quantities, need art technology
The further explore and study of personnel.
The content of the invention
Technical problem to be solved in the utility model is, there is provided a kind of p-type PERC double-sided solar batteries, can be two-sided
Sunshine is absorbed, expands the application of solar cell and improves photoelectric transformation efficiency.
Technical problem to be solved in the utility model is, there is provided a kind of p-type PERC double-sided solar batteries, component and
System, can two-sided absorption sunshine, expand solar cell application and improve photoelectric transformation efficiency.
In order to solve the above-mentioned technical problem, the utility model provides a kind of p-type PERC double-sided solar batteries, including the back of the body
Silver-colored main grid, alum gate line, alum gate housing, back side silicon nitride, backside oxide aluminium film, P-type silicon, N-type emitter stage, front side silicon nitride film
With positive silver electrode；The back side silicon nitride, backside oxide aluminium film, P-type silicon, N-type emitter stage, front side silicon nitride film and positive silver electricity
Pole stacks gradually connection from bottom to up；
The back side silicon nitride and backside oxide aluminium film are provided with the 30-500 lbg areas be arrangeding in parallel, each to swash
At least 1 group of lbg unit is set in light slotted zones, and the alum gate line is connected by lbg area with P-type silicon；The aluminium
Grid line is with carrying on the back silver-colored main grid vertical connection；
The alum gate housing is cubic frame, and alum gate housing is connected with alum gate line and the silver-colored main grid of the back of the body respectively.
As the improvement of above-mentioned technical proposal, when setting 2 groups or more than 2 groups lbg units in each lbg area
When, each group lbg unit be arranged in parallel, and the spacing between two adjacent groups lbg unit is 5-480 μm.
As the improvement of above-mentioned technical proposal, overleaf silicon nitride film and backside oxide aluminium film correspond to the position of alum gate housing
Aluminium frame slotted zones are additionally provided with, the alum gate housing is connected by aluminium frame slotted zones with P-type silicon.
As the improvement of above-mentioned technical proposal, every group of lbg unit includes at least one lbg unit, and laser is opened
The pattern of groove unit is circle, ellipse, triangle, quadrangle, pentagon, hexagon, cross or star.
As the improvement of above-mentioned technical proposal, every group of lbg unit is the rectangular laser of strip including a pattern
Slotted unit.
As the improvement of above-mentioned technical proposal, same lbg unit of organizing is along alum gate line bearing of trend interval type configuration, phase
The spacing distance of adjacent two lbg units is 0.01-50mm.
As the improvement of above-mentioned technical proposal, the width in the lbg area is 10-500 μm；The width of alum gate line is
30-550μm；The width for carrying on the back silver-colored main grid is 0.5-5mm；The width of each edge frame of the alum gate housing is 30-1000 μm；It is described
The radical of alum gate line is 30-500 bars；The radical of the silver-colored main grid of the back of the body is 2-8 bars.
As the improvement of above-mentioned technical proposal, the silver-colored main grid of the back of the body is continuous straight grid；Or the silver-colored main grid of the back of the body is in interval point
Section is set；Or the silver-colored main grid of the back of the body is set in space segmentation, is connected between each adjacent sectional by connected region.
Correspondingly, the utility model also provides a kind of PERC double-sided solar batteries component, including PERC solar cells
And encapsulating material, the PERC solar cells are p-type PERC double-sided solar batteries described in the utility model.
Correspondingly, the utility model also provides a kind of PERC solar energy systems, including PERC solar cells, the PERC
Solar cell is p-type PERC double-sided solar batteries described in the utility model.
Implement the utility model embodiment, have the advantages that：
P-type PERC double-sided solar batteries described in the utility model are provided with a plurality of alum gate be arrangeding in parallel in cell backside
Line, full aluminum back electric field in existing one side solar cell is not only substituted, realize the function of back side extinction, also served as in back of the body silver electrode
Secondary grid structure be used for conduct electronics.The utility model is additionally provided with alum gate housing in silicon chip back side, solves the disconnected grid of alum gate line and causes
The disconnected grid of EL tests and the problem of low photoelectric transformation efficiency.P-type PERC double-sided solar batteries described in the utility model are made, can
Silver paste and the dosage of aluminium paste are saved, reduces production cost, and realizes two-sided absorption luminous energy, is significantly expanded answering for solar cell
With scope and improve photoelectric transformation efficiency.
Equally there is above-mentioned advantage using p-type PERC double-sided solar batteries, component and the system.
Brief description of the drawings
Fig. 1 is a kind of structural representation of p-type PERC double-sided solar batteries of the utility model；
Fig. 2 is a kind of another structural representation of p-type PERC double-sided solar batteries of the utility model；
Fig. 3 is a kind of another structural representation of p-type PERC double-sided solar batteries of the utility model；
Fig. 4 is a kind of another structural representation of p-type PERC double-sided solar batteries of the utility model；
Fig. 5 is that a kind of lbg area first embodiment structure of p-type PERC double-sided solar batteries of the utility model is shown
It is intended to；
Fig. 6 is that a kind of lbg area second embodiment structure of p-type PERC double-sided solar batteries of the utility model is shown
It is intended to；
Fig. 7 is that a kind of lbg area 3rd embodiment structure of p-type PERC double-sided solar batteries of the utility model is shown
It is intended to；
Fig. 8 is that a kind of lbg area fourth embodiment structure of p-type PERC double-sided solar batteries of the utility model is shown
It is intended to；
Fig. 9 is that a kind of example structure of lbg area the 5th of p-type PERC double-sided solar batteries of the utility model is shown
It is intended to；
Figure 10 is that a kind of lbg area sixth embodiment structure of p-type PERC double-sided solar batteries of the utility model is shown
It is intended to；
Figure 11 is that a kind of example structure of lbg area the 7th of p-type PERC double-sided solar batteries of the utility model is shown
It is intended to.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type is described in further detail.
Existing one side solar cell is provided with the whole back side that full aluminum back electric field is covered in silicon chip at the back side of battery, entirely
The effect of aluminum back electric field is to improve open-circuit voltage Voc and short circuit current Jsc, forces minority carrier away from surface, Shao Shuozai
Flowing sub- recombination rate reduces, so as to improve battery efficiency on the whole.However, because full aluminum back electric field is light tight, therefore, there is full aluminium
The rear surface of solar cell of back of the body electric field can not absorb luminous energy, positive can only absorb luminous energy, and the synthesis photoelectric transformation efficiency of battery is difficult
To be greatly improved.
For above-mentioned technical problem, as shown in figure 1, the utility model provides a kind of p-type PERC double-sided solar batteries, bag
Include the silver-colored main grid 1 of the back of the body, alum gate line 2, alum gate housing 10, back side silicon nitride 3, backside oxide aluminium film 4, P-type silicon 5, N-type emitter stage 6,
Front side silicon nitride film 7 and positive silver electrode 8；The back side silicon nitride 3, backside oxide aluminium film 4, P-type silicon 5, N-type emitter stage 6, just
Face silicon nitride film 7 and positive silver electrode 8 stack gradually connection from bottom to up；
The back side silicon nitride 3 and backside oxide aluminium film 4 form what 30-500 be arranged in parallel after lbg
Lbg area, at least 1 group of lbg unit 9 is set in each lbg area, and the alum gate line 2 passes through lbg area
It is connected with P-type silicon 5；The alum gate line 2 is with carrying on the back the silver-colored vertical connection of main grid 1；
The alum gate housing 10 is cubic frame, and alum gate housing 10 is connected with alum gate line 2 and the silver-colored main grid 1 of the back of the body respectively.
The utility model is improved to existing one side PERC solar cells, no longer provided with full aluminum back electric field, but
Become many alum gate lines 2, it is sharp using being opened up in lbg technology overleaf silicon nitride film 3 and backside oxide aluminium film 4
Light slotted zones, and alum gate line 2 is printed in the lbg area that these be arranged in parallel, so as to form local connect with P-type silicon 5
Touch, the alum gate line 2 of intensive parallel arrangement, which can not only play, improves open-circuit voltage Voc and short circuit current Jsc, reduces minority carrier
Recombination rate, improve the effect of cell photoelectric conversion efficiency, the full aluminum back electric field of alternative existing one side battery structure, and alum gate
Line 2 does not cover the back side of silicon chip comprehensively, and sunshine can be projected in silicon chip between alum gate line 2, so as to realize silicon chip back side
Luminous energy is absorbed, greatly improves the photoelectric transformation efficiency of battery.
Preferably, the radical of the alum gate line 2 is corresponding with the number in lbg area, is all 30-500 bars, more preferably, institute
The radical for stating alum gate line 2 is 80-220 bars.The alum gate line 2 can be straight line or shaped form, arc, waveform, folding
Linear etc., lbg area shape is corresponding with alum gate line 2, and embodiments thereof is not limited to the utility model illustrated embodiment.
Silicon chip back side is illustrated in figure 2, alum gate line 2 is with carrying on the back silver-colored 1 perpendicular connection of main grid, wherein it is continuous to carry on the back silver-colored main grid 1
Straight grid, because back side silicon nitride 3 and backside oxide aluminium film 4 are provided with lbg area, when printing aluminium paste forms alum gate line 2, aluminium
Slurry filling is to lbg area so that alum gate line 2 forms localized contact with P-type silicon 5, can be by electric transmission to alum gate line 2, with aluminium
The intersecting silver-colored main grid 1 of the back of the body of grid line 2 then collects the electronics on alum gate line 2, it follows that alum gate line 2 described in the utility model plays
Open-circuit voltage Voc and short circuit current Jsc is improved, reduces minority carrier recombination rate, and the effect of transmission electronics, it is alternative existing
There is full aluminum back electric field in one side solar cell, not only reduce silver paste and the dosage of aluminium paste, reduce production cost, and realize double
Face absorbs luminous energy, is significantly expanded the application of solar cell and improves photoelectric transformation efficiency.
It should be noted that in printing process, because the viscosity of aluminium paste is larger, the line width of half tone is again narrow, can be even
There is alum gate line 2 and broken the situations of grid in you.Alum gate line 2 break grid can cause EL test image occur black break grid, meanwhile, alum gate line
2 disconnected grid can also influence the photoelectric transformation efficiency of battery, be unfavorable for lifting battery quality and performance.Therefore, the utility model back side
Electrode is additionally provided with alum gate housing 10, and aluminium paste is identical with alum gate line 2 used by alum gate housing 10.Because it is shaped as cubic side
It frame, can be connected with the alum gate line 2 in horizontal direction, can be also connected with the back of the body silver main grid 1 on vertical direction.When alum gate line 2 goes out
Now breaking grid can not be by electric transmission to when carrying on the back silver-colored main grid 1, and electronics can be transferred to other alum gate lines 2 and back of the body silver by alum gate housing 10
On main grid 1, solve the problems, such as alum gate line 2 break caused by grid the disconnected grid of EL tests and photoelectric transformation efficiency it is low.
Using lbg technology, overleaf silicon nitride film and backside oxide aluminium film correspond to the position of alum gate housing 10 and also set
There are aluminium frame slotted zones, the alum gate housing 10 is connected by aluminium frame slotted zones with P-type silicon.It should be noted that the utility model
The position that alum gate housing 10 can also be corresponded in silicon chip back side opens up lbg area, and whether this is set depending on visual actual conditions
Aluminium frame slotted zones.
The silver-colored main grid 1 of the back of the body described in the utility model can also be in interval point in addition to being illustrated in figure 2 the setting of continuous straight grid
Section is set, as shown in Figure 3.It can also be in that space segmentation is set, and be connected between each adjacent sectional by connected region, such as Fig. 4 institutes
Show.The width of the silver-colored main grid 1 of the back of the body is 0.5-5mm；The radical of the silver-colored main grid 1 of the back of the body is 2-8 bars.Connected region can be triangle
The combination of several figures of shape, quadrangle, pentagon, circle, arc or more, connected region at least one, the width of connected region
For 0.01-4.5mm.The width of the silver-colored main grid 1 of the back of the body is 0.5-5mm；The radical of the silver-colored main grid 1 of the back of the body is 2-8 bars.
It should be noted that when setting 2 groups or more than 2 groups lbg units 9 in each lbg area, each group swashs
Light slotted unit 9 be arranged in parallel, and the spacing between two adjacent groups lbg unit 9 is 5-480 μm.
Every group of lbg unit 9 includes at least one lbg unit 9, the pattern of lbg unit 9 for it is circular,
Ellipse, triangle, quadrangle, pentagon, hexagon, cross or star.
Further illustrated below by instantiation：
1. the pattern identical situation of the lbg unit 9 in each lbg area：
1.1 is identical with the group pattern of lbg unit 9
1.1.1 such as Fig. 5, each lbg area are provided with 1 group of lbg unit 9, and lbg unit 9 is continuous bar
Shape rectangle, the length of lbg unit 9 are identical with alum gate line length；Or the length of lbg unit 9 is than alum gate line length
Spend short 0.01-5mm；Or the length of lbg unit 9 is longer 0.01-5mm than alum gate line length.
1.1.2 such as Fig. 6, each lbg area is provided with 2 groups or more than 2 groups lbg units 9（Example is 3 in figure
Group）, lbg unit 9 is continuous strip rectangle, and the length of lbg unit 9 is identical with alum gate line length；Or swash
The length of light slotted unit 9 is shorter 0.01-5mm than alum gate line length；Or the length of lbg unit 9 is longer than alum gate line length
0.01-5mm。
1.1.3 such as Fig. 7, each lbg area are provided with 1 group of lbg unit 9, and lbg unit 9 prolongs along alum gate line
Direction compartment arrangement is stretched, can be circle, ellipse, triangle, quadrangle, pentagon, six with the pattern of lbg unit 9 is organized
Side shape, cross or star, example is rectangle in figure.
1.1.4 such as Fig. 8, each lbg area is provided with 2 groups or more than 2 groups lbg units 9（Example is 3 in figure
Group）, each group lbg unit be arranged in parallel, and the spacing between two adjacent groups lbg unit is 5-480 μm.Lbg
Unit 9 is arranged by compartment, and the pattern of lbg unit 9 can be circle, ellipse, triangle, quadrangle, pentagon, six sides
Shape, cross or star, example is rectangle in figure.
1.2 differ with the pattern of group lbg unit 9
1.2.1 such as Fig. 9, each lbg area are provided with 1 group of lbg unit 9, and lbg unit 9 is arranged by compartment
Row, the pattern of lbg unit 9 can be circle, ellipse, triangle, quadrangle, pentagon, hexagon, cross or star,
The pattern of lbg unit 9 is incomplete same.
1.2.2 such as Figure 10, each lbg area is provided with 2 groups or more than 2 groups lbg units 9, lbg unit 9
Arranged along alum gate line bearing of trend compartment, the pattern of lbg unit 9 can be continuous long line segment, circle, ellipse, triangle
Shape, quadrangle, pentagon, hexagon, cross or star, the lbg unit 9 that difference is organized in lbg unit 9 arrange
Partly different or all different, example is the whole different situations of different groups of lbg units 9 in figure.
2. the incomplete same situation of the pattern of the lbg unit 9 in different lbg areas：
Single lbg area is taken to be combined in above-mentioned Fig. 5-Figure 10, such as Figure 11, or except lbg unit 9 to connect
Outside continuous long line segment situation, with one of which situation to different lbgs in 1.1.1-1.1.4 and 1.2.1-1.2.2 situations
Area carries out different arrangements.
It should be noted that the spacing distance under different situations between lbg area can be with identical above, also can be different.
Spacing distance with the two neighboring lbg unit 9 of group lbg unit 9 is 0.01-50mm, with group lbg list
Spacing distance between member 9 can be with identical, also can be different.
The width in lbg area described in the utility model is 10-500 μm；Alum gate line 2 below lbg area
Width be more than the width in lbg area, the width of alum gate line 2 is 30-550 μm.Selected in the above-mentioned width of alum gate line 2 larger
Such as 500 μm of numerical value, and multigroup lbg area can be located at same by the selection of lbg sector width side by side compared with such as 40 μm of fractional value
On alum gate line 2, ensure that alum gate line 2 and P-type silicon 5 there are enough contacts area.
To sum up, p-type PERC double-sided solar batteries described in the utility model, which change, is provided with a plurality of alum gate line be arrangeding in parallel
2, not only substitute full aluminum back electric field in existing one side solar cell and realize back side extinction, be additionally operable to carry on the back the secondary grid knot in silver electrode
Structure is used as conduction electronics.P-type PERC double-sided solar batteries described in the utility model are made, silver paste and the use of aluminium paste can be saved
Amount, production cost is reduced, and realize two-sided absorption luminous energy, be significantly expanded the application of solar cell and improve photoelectricity turn
Change efficiency.
Accordingly, the utility model is also disclosed a kind of p-type PERC double-sided solar battery components, including p-type PERC two-sided
Solar cell and encapsulating material, the PERC solar cells are any of the above-described p-type PERC double-sided solar batteries.Specifically
, as an embodiment of p-type PERC double-sided solar battery components, its height being from top to bottom sequentially connected thoroughly safety glass,
Ethylene-vinyl acetate copolymer EVA, PERC solar cell, ethylene-vinyl acetate copolymer EVA and high safety glass group thoroughly
Into.
Accordingly, a kind of p-type PERC double-sided solar systems, including the two-sided sun of p-type PERC is also disclosed in the utility model
Energy battery, the PERC solar cells are any of the above-described p-type PERC double-sided solar batteries.As PERC solar energy systems
A preferred embodiment, including PERC solar cells, batteries, charging-discharging controller inverter, AC power distribution cabinet/AC distribution panel and too
Positive tracking control system.Wherein, PERC solar energy systems can be provided with batteries, charging-discharging controller inverter, can also
Batteries, charging-discharging controller inverter are not set, and those skilled in the art can be configured according to being actually needed.
It should be noted that in PERC solar cell modules, PERC solar energy systems, except the two-sided sun of p-type PERC
Part outside energy battery, is designed with reference to prior art.
Finally, it should be noted that above example is only illustrating the technical solution of the utility model rather than to this reality
With the limitation of novel protected scope, although being explained in detail with reference to preferred embodiment to the utility model, this area it is common
It will be appreciated by the skilled person that the technical solution of the utility model can be modified or equivalent substitution, without departing from this reality
With the spirit and scope of new technique scheme.
Claims (9)
1. a kind of p-type PERC double-sided solar batteries, it is characterised in that including carrying on the back silver-colored main grid, alum gate line, alum gate housing, the back side
Silicon nitride film, backside oxide aluminium film, P-type silicon, N-type emitter stage, front side silicon nitride film and positive silver electrode；The back side silicon nitride silicon
Film, backside oxide aluminium film, P-type silicon, N-type emitter stage, front side silicon nitride film and positive silver electrode stack gradually connection from bottom to up；
The back side silicon nitride and backside oxide aluminium film form the 30-500 laser be arrangeding in parallel after lbg and opened
Groove area, at least 1 group of lbg unit is set in each lbg area, and the alum gate line passes through lbg area and P-type silicon
It is connected；The alum gate line is with carrying on the back silver-colored main grid vertical connection；
The alum gate housing is cubic frame, and alum gate housing is connected with alum gate line and the silver-colored main grid of the back of the body respectively.
2. p-type PERC double-sided solar batteries as claimed in claim 1, it is characterised in that overleaf silicon nitride film and back side oxygen
The position that change aluminium film corresponds to alum gate housing is additionally provided with aluminium frame slotted zones, and the alum gate housing passes through lbg area and P-type silicon phase
Even.
3. p-type PERC double-sided solar batteries as claimed in claim 2, it is characterised in that every group of lbg unit is included extremely
Few 1 lbg unit, the pattern of lbg unit is circle, ellipse, triangle, quadrangle, pentagon, six sides
Shape, cross or star.
4. p-type PERC double-sided solar batteries as claimed in claim 3, it is characterised in that every group of lbg unit includes one
Individual pattern is the rectangular lbg unit of strip.
5. p-type PERC double-sided solar batteries as claimed in claim 3, it is characterised in that same lbg unit of organizing is along alum gate
Line bearing of trend interval type configuration, the spacing distance of two neighboring lbg unit is 0.01-50mm.
6. p-type PERC double-sided solar batteries as claimed in claim 1, it is characterised in that the width in the lbg area is
10-500μm；The width of alum gate line is 30-550 μm；The width for carrying on the back silver-colored main grid is 0.5-5mm；The each edge of the alum gate housing
The width of frame is 30-1000 μm；The radical of the alum gate line is 30-500 bars, and the radical for carrying on the back silver-colored main grid is 2-8 bars.
7. p-type PERC double-sided solar batteries as claimed in claim 1, it is characterised in that the silver-colored main grid of the back of the body is continuous straight grid；
Or the silver-colored main grid of the back of the body is set in space segmentation；Or the silver-colored main grid of the back of the body is set in space segmentation, passes through company between each adjacent sectional
Logical region connection.
8. a kind of PERC solar cell modules, it is characterised in that including PERC solar cells and encapsulating material, its feature exists
In the PERC solar cells are the p-type PERC double-sided solar batteries described in claim any one of 1-5.
9. a kind of PERC solar energy systems, including PERC solar cells, it is characterised in that the PERC solar cells are power
Profit requires the p-type PERC double-sided solar batteries described in any one of 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720202732.8U CN206628483U (en) | 2017-03-03 | 2017-03-03 | P-type PERC double-sided solar batteries, component and system |
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| CN201720202732.8U CN206628483U (en) | 2017-03-03 | 2017-03-03 | P-type PERC double-sided solar batteries, component and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039546A (en) * | 2017-03-03 | 2017-08-11 | 广东爱康太阳能科技有限公司 | P-type PERC double-sided solar batteries and preparation method thereof, component and system |
| CN107093636A (en) * | 2017-03-03 | 2017-08-25 | 广东爱康太阳能科技有限公司 | P-type PERC double-sided solar batteries and preparation method thereof, component and system |
-
2017
- 2017-03-03 CN CN201720202732.8U patent/CN206628483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039546A (en) * | 2017-03-03 | 2017-08-11 | 广东爱康太阳能科技有限公司 | P-type PERC double-sided solar batteries and preparation method thereof, component and system |
| CN107093636A (en) * | 2017-03-03 | 2017-08-25 | 广东爱康太阳能科技有限公司 | P-type PERC double-sided solar batteries and preparation method thereof, component and system |
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Effective date of registration: 20180131 Address after: No. 69, C District, Sanshui Industrial Park, Sanshui, Foshan, Guangdong Co-patentee after: ZHEJIANG AIKO SOLAR ENERGY TECHNOLOGY Co.,Ltd. Patentee after: GUANGDONG AIKO SOLAR ENERGY TECHNOLOGY Co.,Ltd. Address before: No. 69, C District, Sanshui Industrial Park, Sanshui, Foshan, Guangdong Patentee before: GUANGDONG AIKO SOLAR ENERGY TECHNOLOGY Co.,Ltd. |