CN207458898U - A kind of cell piece passivation device - Google Patents
A kind of cell piece passivation device Download PDFInfo
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- CN207458898U CN207458898U CN201721461947.8U CN201721461947U CN207458898U CN 207458898 U CN207458898 U CN 207458898U CN 201721461947 U CN201721461947 U CN 201721461947U CN 207458898 U CN207458898 U CN 207458898U
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- cell piece
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- processing chamber
- heating
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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 cell piece passivation device, including：Transmitting device, the transmitting device transmit solar cell piece；Processing chamber, the processing chamber are arranged on the transmitting device, are passivated processing to the cell piece in the processing chamber, and the processing chamber includes at least one heating chamber set gradually along transmission line direction of transfer and cooling chamber；Each heating chamber and the cooling chamber are equipped with exhaust apparatus, and the exhaust apparatus discharges the indoor gas of the process cavity outside the processing chamber.By being provided with exhaust apparatus in processing chamber, discharge the indoor gas of chamber, ensure basically identical into the initial temperature of cell piece in processing chamber in different time, there is no the temperature differences that error range is larger, the temperature that processing is passivated so as to ensureing cell piece in processing chamber is basically identical, the conversion ratio of passivated treated cell piece is consistent substantially, and the quality of cell piece is essentially identical.
Description
Technical field
The utility model is related to photovoltaic manufacturing technology fields, and in particular to a kind of cell piece passivation device.
Background technology
With the development of the society, China is advocated replaces traditional energy using new energy, wherein photovoltaic is by the sun
Electric energy can be converted into generate electricity, can be me with long-time operation without causing any loss due to the part of no activity
One of field that state actively researches and develops at present.The core component of photovoltaic module is exactly solar cell, directly affects the electricity of component
Performance.If the performance of solar cell decays, the output power of photovoltaic module is just necessarily caused to decline.The property of silicon chip itself
Matter determines the initial photo attenuation degree of solar cell performance.In production, in order to the initial of solar cell is controlled photic to decline
Subtract in the range of measurement error, previous illumination is usually carried out to silicon chip, the initial photo attenuation of solar cell is made to be happened at light
Before volt component manufacture.Silicon chip after illumination decays is made annealing treatment, and the service life of silicon chip is significantly recovered.
In order to solve the above technical problems, Chinese patent literature CN205159348U discloses a kind of crystal-silicon solar cell
Defect passivation processing unit, the silicon wafer basket including being used to stack cell piece, multiple process cavities, process cavity include the first processing chamber,
Second processing chamber and post processing chamber, wherein the first processing chamber, second processing chamber are respectively equipped with a pair of liftable setting up and down
Horizontal electrode plate, silicon wafer basket open top, cooling chamber silicon wafer basket bottom be equipped with for allow lower electrode plate by through hole.By
First processing chamber, second processing intracavitary, the cell piece in upper/lower electrode board clamping silicon wafer basket, carry out energization processing, communicated line
Post processing chamber is delivered to, cell piece is cooled to certain temperature, so as to fulfill to the impurity and defect in crystal-silicon solar cell
Be passivated, raise battery efficiency, simultaneously, moreover it is possible to boron oxygen complex is passivated, so as to achieve the purpose that it is anti-light decline, make
Crystal-silicon solar cell light decay reduces.
But in the defects of above-mentioned crystal-silicon solar cell passivation device, multiple silicon wafer baskets sequentially enter each work
During skill chamber, the initial temperature of each processing chamber has difference, while can not regulate and control in the first processing chamber, second processing chamber in cavity
Temperature, it is impossible to ensure the in vivo temperature of chamber as the required temperature of passivation cell piece, so as to the battery obtained after Passivation Treatment
The quality of piece there is a possibility that difference is larger.
Utility model content
Therefore, the technical problem to be solved by the utility model is to overcome the temperature of Passivation Treatment in the prior art cannot
Ensure that, for the required temperature of cell piece, the quality of the cell piece obtained has larger difference.
For this purpose, the utility model provides a kind of cell piece passivation device, including
Transmitting device, the transmitting device transmit solar cell piece；
Processing chamber, the processing chamber are arranged on the transmitting device, to the battery in the processing chamber
Piece is passivated processing, the processing chamber include at least one heating chamber set gradually along transmission line direction of transfer and
Cooling chamber；
Each heating chamber and the cooling chamber are equipped with exhaust apparatus, and the exhaust apparatus is to the technique
The indoor gas of the process cavity is discharged outside chamber.
Further, the exhaust apparatus is exhaust pipe, and the exhaust pipe includes being in charge of and manifold, it is described be in charge of connect respectively
It is connected to each processing chamber, the manifold connections are each described to be in charge of.
Further, the heating chamber is provided with humidity control system and heated jig, and the heated jig is from described
The both sides of cell piece carry out electrified regulation to the cell piece.
Further, the humidity control system includes assisted heating device and cooling device.
Further, the assisted heating device is heating tube, be provided in the heating chamber it is at least one described plus
Heat pipe.
Further, the cooling device is compressed air feed arrangement, and the compressed air feed arrangement connection is set
Air inlet on the heating chamber locular wall.
Further, the transmitting device includes the apparatus for placing for holding cell piece and the transmission for transmitting the apparatus for placing
Line, the apparatus for placing include the first conducting plate, and for holding the cell piece, described first leads first conducting plate
The one side contacted on level plate with the transmission line is equipped with the insulating unit made of insulating materials, and the insulating unit isolates institute
State the first conducting plate and the transmission line.
Further, the heated jig includes two lifting electrode plates for being respectively arranged at both sides above and below the transmission line
The driving unit being connected respectively with the electrode plate, the electrode plate connect external power supply, and the electrode plate is respectively by driving
Unit driving lifting；Two electrode plates abut against respectively with the surface layer cell piece of apparatus for placing and the first conducting plate, institute
It states electrode plate and first conducting plate is made of electrically conductive material.
Further, the apparatus for placing further includes the second conducting plate at the top of the cell piece, and described second
Conducting plate is abutted against with the cell piece positioned at top.
Further, the heated jig includes two lifting electrode plates for being respectively arranged at both sides above and below the transmission line
The driving unit being connected respectively with the electrode plate, the electrode plate connect external power supply, and the electrode plate is respectively by driving
Unit driving lifting；Two electrode plates offset respectively with second conducting plate of apparatus for placing and the first conducting plate
It connects, the electrode plate, first conducting plate and second conducting plate are made of electrically conductive material.
Further, the processing chamber further includes preheating chamber, the preheating chamber, the heating chamber and described
Cooling chamber sets gradually along transmission line direction of transfer；The preheating chamber be equipped with the heated jig, the heated jig from
The both sides of the transmission line carry out electrified regulation to the cell piece.
Further, radiator is equipped in the cooling chamber, the radiator is fan.
Technical solutions of the utility model have the following advantages that：
1. a kind of cell piece passivation device provided by the utility model, including transmitting device, the transmitting device
Transmit solar cell piece；Processing chamber, the processing chamber is set in turn in along direction of transfer on the transmitting device, described
Processing is passivated to the cell piece in processing chamber；Each processing chamber is equipped with exhaust apparatus, the exhaust dress
It puts and the indoor gas of the process cavity is discharged outside the processing chamber.The cell piece passivation device of this structure, by
Processing chamber is provided with exhaust apparatus, discharges the indoor gas of chamber, ensures in different time into cell piece in processing chamber
Initial temperature is basically identical, there is no the temperature difference that error range is larger, carries out so as to ensureing cell piece in processing chamber blunt
Change that the temperature of processing is basically identical, the conversion ratio of passivated treated cell piece is consistent substantially, the quality base of cell piece
This is identical.
2. a kind of cell piece passivation device provided by the utility model, the heating chamber is provided with temperature and adjusts system
System and heated jig, the heated jig carry out electrified regulation from the both sides of the cell piece to the cell piece.This structure
Cell piece passivation device, by being provided with humidity control system in heating chamber, so as to ensure the indoor temperature of heating chamber
Spend for cell piece Passivation Treatment when required temperature；And it is provided with heated jig in heating chamber to realize to cell piece progress
Electrified regulation, since direct-fired heat utilization efficiency is higher, heat-transfer effect is preferable, so the heating effect of cell piece is more preferable.
3. a kind of cell piece passivation device provided by the utility model, the humidity control system includes auxiliary and heats
Device and cooling device.The cell piece passivation device of this structure, when the indoor temperature of heating chamber is higher than required temperature
When, cooling device is opened, reduces temperature；When the indoor temperature of heating chamber is less than required temperature, auxiliary heating dress is opened
It puts, raises temperature；Required temperature during so as to ensure that the indoor temperature of heating chamber is cell piece Passivation Treatment.
4. a kind of the utility model cell piece passivation device provided by the utility model, the transmitting device includes containing
It puts the apparatus for placing of cell piece and transmits the transmission line of the apparatus for placing, the apparatus for placing includes the first conducting plate, institute
The first conducting plate is stated for holding the cell piece, the one side contacted on first conducting plate with the transmission line is equipped with
The insulating unit made of insulating materials, the insulating unit isolate first conducting plate and the transmission line.This structure
Cell piece passivation device, heated jig heating cell piece need to only clamp top layer electrodes piece and the first conducting plate, this with
Electrode plate is played to need to compare by the through hole clamping bottom cell piece of silicon wafer basket bottom in the prior art, reduces the operation of device
It is required that improve the stability of device operation.Meanwhile it is equipped with insulation material in the one side that the first conducting plate is contacted with transmitting device
Insulating unit made of material, insulating unit have isolated the first conducting plate and transmitting device so that transmitting device will not be charged, protects
The safety of operating personnel is demonstrate,proved.
5. a kind of the utility model cell piece passivation device provided by the utility model, the apparatus for placing further include
The second conducting plate at the top of the cell piece, second conducting plate are abutted against with the cell piece positioned at top.This
The cell piece passivation device of structure by setting the second conducting plate at the top of cell piece, can prevent electric pole plate pressure
Broken cell piece, further protects cell piece.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it describes below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the complete machine schematic diagram of the cell piece passivation device of the utility model；
Fig. 2 removes the internal structure schematic diagram of shell for the passivation device in Fig. 1；
Fig. 3 is the structure diagram of the apparatus for placing in Fig. 2；
Fig. 4 is the structure diagram of the heated jig in Fig. 1.
Reference sign：
The first conducting plates of 11-, 12- columns, 13- ceramic wafers；
2- transmission lines, 21- roller bearings；
31- preheating chambers, 32- heating chambers, 33- cooling chamber；
4- overhead doors, 41- first driving means；
51- electric pole plates, electrode plate under 52-, the second driving devices of 53-；
6- air inlets；
7- fan cases；
8- exhaust apparatus, 81- are in charge of, 82- manifold.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected scope.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not forming conflict can be combined with each other.
Embodiment 1
The present embodiment provides a kind of cell piece passivation device, as in Figure 2-4, including transmitting device and multiple works
Skill chamber.Wherein, transmitting device includes the transmission line 2 of the apparatus for placing for holding cell piece and transmission apparatus for placing, apparatus for placing
Including square first conducting plate 11 and four columns 12, four columns 12 are arranged on square first conducting plate 11 every
The opening on side is to prevent cell piece from dropping the cell piece /V being positioned in the first conducting plate 11；Square first is conductive flat
The one side contacted on plate 11 with transmission line 2 is equipped with insulating unit, and the insulating unit in the present embodiment is arranged on square for a pair
Ceramic wafer 13 on the relative edge of one conducting plate, certainly also can along the edge of the first conducting plate set one circle ceramic wafer or
Square ceramic plate is set, since insulating unit has isolated the first conducting plate 11 and transmission line 2 so that transmitting device will not band
Electricity ensure that the safety of operating personnel.Transmission line 2 includes the drive mechanism that two rows of roller bearings 21 and driving roller bearing 21 rotate,
Apparatus for placing is positioned over the transmission being achieved on transmission line 2 to solar panel.Transmitting device is equipped with multiple processing chambers, multiple
By the way that overhead door 4 is set to be separated between process cavity, overhead door 4 is realized by first driving means 41 and lifted, the present embodiment
In first driving means 41 for cylinder, be formed as a processing chamber between two overhead doors 4.Along transmission in the present embodiment
The direction of transfer of device is set successively there are one 31, four heating chambers 32 of preheating chamber and a cooling chamber 33.Wherein, preheat
Heated jig is equipped in chamber 31, heating chamber 32, heated jig includes the electric pole plate 51 positioned at 2 both sides of transmission line under
Electrode plate 52 and the second driving device 53 of driving power-on and power-off pole plates lifting, the second driving device 53 is gas in the present embodiment
Cylinder；Power-on and power-off pole plate is also associated with external power supply, and upper and lower electrode plate and the first conducting plate are made of electrically conductive material, when
Electric pole plate 51 abuts the surface layer cell piece in apparatus for placing, and gap of the lower electrode plate 52 through roller bearing 21 abuts first and lead
During level 11 bottom surface of plate, it can be powered and solar panel is heated.Temperature detector and temperature are additionally provided in heating chamber 32
Regulating system is spent, humidity control system includes assisted heating device and cooling device, the heating chamber detected according to temperature detector
Indoor temperature, control humidity control system adjust the temperature in heating chamber 32, ensure the temperature in heating chamber 32 for electricity
The required temperature of pond piece Passivation Treatment.Assisted heating device in the present embodiment is heating tube, is arranged in heating chamber 32,
When the temperature in heating chamber 32 is less than required temperature, opening assisted heating device makes the temperature liter of heating chamber 32
It is high.Cooling device in the present embodiment is compressed air feed arrangement, and device connection is arranged on 32 locular wall of heating chamber
Air inlet 6, when the temperature in heating chamber 32 is higher than required temperature, compressed air feed arrangement is into heating chamber 32
Cold air is conveyed, reduces the temperature of heating chamber 32.The temperature all same of four heating chambers 32, during cell piece Passivation Treatment,
Heating total time is the summation for the time heated respectively in four heating chambers 32, can so so that multiple apparatus for placing are same
When be passivated processing, saved the passivation time of cell piece, improved passivation efficiency.Heating chamber 32 and cooling chamber 33
Exhaust apparatus 8 is equipped with, for discharging the indoor gas of process cavity.The exhaust apparatus 8 of the present embodiment be exhaust pipe, exhaust pipe bag
Include be connected to each heating chamber 32 and cooling chamber 33 be in charge of 81 and connection be respectively in charge of 81 manifold 82.It is above-mentioned
It sets, it is ensured that whenever into different heating and cooling chamber, initial temperature is basically identical, and there is no larger
Temperature difference, so as to which the conversion ratio for ensureing passivated treated cell piece is consistent substantially, the quality of cell piece is essentially identical.
Cooling is realized by being equipped with fan case 7 on 33 locular wall of cooling chamber, be equipped with fan in fan case 7, be used in the present embodiment
Carry out radiating and cooling.
In the utility model, the specific work process of cell piece passivating device is：Multiple cell pieces are overlayed and hold dress
Put, by apparatus for placing as on transmission line 2 successively by 31, four heating chambers 32 of a preheating chamber and one cooling
Chamber 33 is completed at the passivation to cell piece cell piece electrified regulation by heated jig in preheating chamber and heating chamber
Reason.Roller bearing 21 on transmission line 2 rotates, when transmission cell piece is entered preheating chamber 31, arranged on the position sensing of each chamber
After device detects that apparatus for placing reaches precalculated position, the overhead door 4 positioned at 31 both sides of preheating chamber declines, and roller bearing 21 stops turning
It is dynamic, preheating chamber 31 is made to form a closed space.The power-on and power-off pole plate in preheating chamber 31 is clamped in surface layer respectively at this time
The both sides of cell piece and the first conducting plate carry out energization processing to it, realize the preliminary heating to cell piece.When completion is pre-
After the pretreatment of hot chamber 31, the overhead door 4 of both sides rises, and apparatus for placing enters in first heating chamber 32, positioned at first
The overhead door 4 of a heating chamber both sides declines, and roller bearing 21 stops operating, and power-on and power-off pole plate is clamped in cell piece and first and leads respectively
The both sides of level plate carry out it energization processing, while the temperature detector detection chambers in first heating chamber 32
Interior temperature, if the temperature in heating chamber 32 opens compressed air feed arrangement, to heating chamber 32 higher than preset temperature
Interior feeding cold air reduces the temperature in heating chamber 32；If the temperature in heating chamber 32 opens chamber less than preset temperature
In vivo heating tube, the indoor gas of heating chamber improve the indoor temperature of heating chamber.When completing in first heating chamber 32
After Passivation Treatment, exhaust pipe is opened, and discharges the gas in first heating chamber 32, and the overhead door 4 of both sides rises, holds afterwards
Device enters in next heating chamber 32.Apparatus for placing sequentially enters the process of remaining heating chamber 32 with entering first
The process of heating chamber 32 is identical.Last apparatus for placing enters cooling chamber 33, and the fan in cooling chamber 33 is opened, to battery
Piece cools down, and after being disposed, the exhaust pipe of cooling chamber is opened, and the communicated line 2 of apparatus for placing sends out cooling chamber.
As the embodiment of replacement, wherein heating unit can be heating lamp, and multiple heating are set in heating chamber
Lamp realizes the temperature rise of heating chamber.
As alternative embodiment, wherein heat sink can be air-cooler, and air-cooler is equipped in heating chamber locular wall,
Realizing the temperature of heating chamber reduces.
As interchangeable implementation at that time, wherein preheating chamber 31 can also be not provided with, cell piece is directly entered heating chamber
Indoor carry out electrified regulation processing.
As alternative embodiment, wherein apparatus for placing is except including the first conducting plate positioned at cell piece bottom
11 further include the second conducting plate at the top of cell piece, and two electrode plates are conductive with the first conducting plate 11 and second respectively
Tablet abuts against, and is handled so as to fulfill to the energization of cell piece.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (12)
1. a kind of cell piece passivation device, including：
Transmitting device, the transmitting device transmit solar cell piece；
Processing chamber, the processing chamber are arranged on the transmitting device, in the processing chamber to the cell piece into
Row Passivation Treatment, the processing chamber include at least one heating chamber set gradually along transmission line direction of transfer and cooling
Chamber；
It is characterized in that：
Each heating chamber and the cooling chamber are equipped with exhaust apparatus, and the exhaust apparatus is to the processing chamber
The outer discharge indoor gas of process cavity.
2. cell piece passivation device according to claim 1, which is characterized in that the exhaust apparatus is exhaust pipe,
The exhaust pipe includes being in charge of and manifold, it is described be in charge of be connected to each processing chamber, the manifold connects each institute
It states and is in charge of.
3. cell piece passivation device according to claim 2, which is characterized in that the heating chamber is provided with temperature
Regulating system and heated jig, the heated jig carry out electrified regulation from the both sides of the cell piece to the cell piece.
4. cell piece passivation device according to claim 3, which is characterized in that the humidity control system includes auxiliary
Help heating unit and cooling device.
5. cell piece passivation device according to claim 4, which is characterized in that the assisted heating device is heating
It manages, at least one heating tube is provided in the heating chamber.
6. cell piece passivation device according to claim 5, which is characterized in that the cooling device is compressed air
Feed arrangement, the compressed air feed arrangement connection are arranged at the air inlet on the heating chamber locular wall.
7. cell piece passivation device according to claim 3, which is characterized in that the transmitting device includes holding electricity
The apparatus for placing of pond piece and the transmission line for transmitting the apparatus for placing, the apparatus for placing include the first conducting plate, and described the
For holding the cell piece, the one side contacted on first conducting plate with the transmission line is equipped with by exhausted one conducting plate
Insulating unit made of edge material, the insulating unit isolate first conducting plate and the transmission line.
8. cell piece passivation device according to claim 7, which is characterized in that the heated jig includes setting respectively
It is placed in the transmission line two lifting electrode plates of both sides and the driving unit being connected respectively with the electrode plate up and down, the electricity
Pole plate connects external power supply, and the electrode plate is driven by driving unit lift respectively；Two electrode plates are respectively with holding dress
The surface layer cell piece and the first conducting plate put abut against, and the electrode plate and first conducting plate are by conductive material system
Into.
9. cell piece passivation device according to claim 7, which is characterized in that the apparatus for placing, which further includes, to be located at
The second conducting plate at the top of the cell piece, second conducting plate are abutted against with the cell piece positioned at top.
10. cell piece passivation device according to claim 9, which is characterized in that the heated jig includes difference
The transmission line two lifting electrode plates of both sides and the driving unit being connected respectively with the electrode plate up and down are arranged at, it is described
Electrode plate connects external power supply, and the electrode plate is driven by driving unit lift respectively；Two electrode plates are respectively with holding
Second conducting plate of device and the first conducting plate abut against, the electrode plate, first conducting plate and described
Second conducting plate is made of electrically conductive material.
11. according to claim 3-10 any one of them cell piece passivation devices, which is characterized in that the processing chamber
Further include preheating chamber, the preheating chamber, the heating chamber and the cooling chamber along transmission line direction of transfer successively
It sets；The preheating chamber is equipped with the heated jig, and the heated jig is from the both sides of the transmission line to the cell piece
Carry out electrified regulation.
12. according to the cell piece passivation device described in claim 1-10 any one, which is characterized in that the cooling chamber
Interior is equipped with radiator, and the radiator is fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721461947.8U CN207458898U (en) | 2017-11-06 | 2017-11-06 | A kind of cell piece passivation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721461947.8U CN207458898U (en) | 2017-11-06 | 2017-11-06 | A kind of cell piece passivation device |
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| CN207458898U true CN207458898U (en) | 2018-06-05 |
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| CN201721461947.8U Active CN207458898U (en) | 2017-11-06 | 2017-11-06 | A kind of cell piece passivation device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962711A (en) * | 2018-06-29 | 2018-12-07 | 江西展宇新能源股份有限公司 | A kind of electrical pumping system |
| CN110165021A (en) * | 2019-06-05 | 2019-08-23 | 江西展宇新能源股份有限公司 | A kind of electrical pumping equipment |
| CN111584681A (en) * | 2020-05-11 | 2020-08-25 | 杭州晶宝新能源科技有限公司 | Solar cell performance improvement process production line |
| CN113013290A (en) * | 2021-02-20 | 2021-06-22 | 泰州隆基乐叶光伏科技有限公司 | Passivation method of sliced battery, sliced battery after passivation and battery assembly |
-
2017
- 2017-11-06 CN CN201721461947.8U patent/CN207458898U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108962711A (en) * | 2018-06-29 | 2018-12-07 | 江西展宇新能源股份有限公司 | A kind of electrical pumping system |
| CN110165021A (en) * | 2019-06-05 | 2019-08-23 | 江西展宇新能源股份有限公司 | A kind of electrical pumping equipment |
| CN111584681A (en) * | 2020-05-11 | 2020-08-25 | 杭州晶宝新能源科技有限公司 | Solar cell performance improvement process production line |
| CN113013290A (en) * | 2021-02-20 | 2021-06-22 | 泰州隆基乐叶光伏科技有限公司 | Passivation method of sliced battery, sliced battery after passivation and battery assembly |
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