CN113690331A - Back contact type high-light-efficiency photovoltaic cell texturing device - Google Patents
Back contact type high-light-efficiency photovoltaic cell texturing device Download PDFInfo
- Publication number
- CN113690331A CN113690331A CN202110918324.3A CN202110918324A CN113690331A CN 113690331 A CN113690331 A CN 113690331A CN 202110918324 A CN202110918324 A CN 202110918324A CN 113690331 A CN113690331 A CN 113690331A
- Authority
- CN
- China
- Prior art keywords
- texturing
- conveying plate
- liquid
- photovoltaic cell
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 239000000428 dust Substances 0.000 claims abstract description 40
- 238000005507 spraying Methods 0.000 claims abstract description 27
- 238000001179 sorption measurement Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000001502 supplementing effect Effects 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000005587 bubbling Effects 0.000 claims description 3
- 235000008216 herbs Nutrition 0.000 claims 1
- 210000002268 wool Anatomy 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000006798 recombination Effects 0.000 abstract description 4
- 238000005215 recombination Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0236—Special surface textures
- H01L31/02363—Special surface textures of the semiconductor body itself, e.g. textured active layers
-
- 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
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a back contact type high-light-efficiency photovoltaic cell texturing device which comprises a rack, a stroke guide rail, a stroke motor, a lifting mechanical arm, a cell conveying plate, a cell adsorption disc, a dust hood, a dust removal blower, a dust collector, a texturing groove, a liquid spraying pipe, a temperature control sensor, a heating bottom plate, a solution concentration sensor, a throttling electromagnetic valve and a liquid supplementing box. The invention can improve the conversion efficiency of the battery, has short carrier transmission time, can avoid carrier recombination, and has high process uniformity and product stability.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of photovoltaic cell production, in particular to the technical field of a texturing device of a back contact type high-light-efficiency photovoltaic cell.
[ background of the invention ]
The MWT technology is a metal winding penetration technology and is a main grid-free and back contact electrode-free technology. The MWT technology has multiple advantages, and firstly, the consumption of silver paste is reduced; secondly, shading is reduced by 3% -4%, and the efficiency is improved by 0.4% -0.6% no matter the battery is a single crystal battery or a polycrystalline battery; and thirdly, customized patterns can be made, patterns on the surface of the battery can be customized, the battery is quite attractive, and in addition, the power attenuation of the MWT component is far lower than that of a conventional component through the test and comparison of a certification authority, so that the power generation capacity of the MWT component is more excellent. The front electrode of the existing MWT photovoltaic cell is generally provided with a plurality of main grids on an electrode point, and a plurality of auxiliary grids which are uniformly distributed are connected on a main grid line.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides a texturing device of a back contact type high-light-efficiency photovoltaic cell piece, which can improve the cell conversion efficiency, has short carrier transmission time, can avoid carrier recombination, and has high process uniformity and product stability.
In order to achieve the purpose, the invention provides a back contact type high-light-efficiency photovoltaic cell texturing device which comprises a rack, a stroke guide rail, a stroke motor, a lifting mechanical arm, a cell conveying plate, a cell adsorption disc, a dust hood, a dust removing blower, a dust collector, a texturing groove, a liquid spraying pipe, a temperature control inductor, a heating bottom plate, a solution concentration inductor, a throttling electromagnetic valve and a liquid supplementing box, wherein the stroke guide rail is arranged at the top of the rack, the stroke motor is arranged on the stroke guide rail, the cell conveying plate is arranged at the bottom of the stroke motor through the lifting mechanical arm, a plurality of cell adsorption discs are distributed at the bottom of the cell conveying plate, the front section of the stroke guide rail is covered in the dust hood, the dust removing blower facing the bottom of the cell conveying plate is arranged at the bottom of the dust hood, the dust collector is arranged at the top of the dust hood corresponding to the dust removing blower, the middle section of stroke guide rail is provided with the texturing groove, the texturing inslot intussuseption is filled with the texturing liquid, the bottom distribution in texturing groove has a plurality of vertical spray pipes of upwards submergence in the texturing liquid, the vertical control by temperature change inductor that is provided with of lateral wall in texturing groove, the bottom in texturing groove is provided with the heating bottom plate, the heating bottom plate links to each other with the control by temperature change inductor, the lateral wall in texturing groove is provided with the solution concentration inductor, texturing groove upper portion is connected with the fluid infusion case through the throttle solenoid valve, the fluid infusion incasement is filled with high concentration texturing liquid, throttle solenoid valve and solution concentration inductor link to each other.
Preferably, the number of the cell absorption plates is multiple, and the cell absorption plates are vertically and downwards uniformly distributed at the bottom of the cell conveying plate.
Preferably, a plurality of uniformly distributed flow guide holes vertically penetrate through the cell conveying plate.
Preferably, a vibrator is installed at the joint of the battery piece conveying plate and the lifting mechanical arm, and the vibrator can drive the battery piece conveying plate to vibrate left and right.
Preferably, the liquid spraying pipes are uniformly distributed on the moving track of the cell conveying plate, liquid spraying electromagnetic valves are mounted at the bottoms of the liquid spraying pipes and are communicated with the texturing liquid filled in the texturing groove through a water pump, conveying plate sensors are arranged at the tops of the liquid spraying pipes, and the conveying plate sensors are connected with the liquid spraying electromagnetic valves one by one.
Preferably, a rinsing bath is arranged at the rear section of the stroke guide rail, cleaning water is filled in the rinsing bath, ultrasonic oscillators are uniformly and symmetrically distributed on the inner side wall of the rinsing bath, and a bubbling cleaning plate is arranged at the bottom of the rinsing bath.
Preferably, the dust hood is in a shape of a horizontal cylinder, and an air deflector is spirally arranged on the inner side wall of the dust hood in a surrounding manner.
The invention has the beneficial effects that: according to the invention, the frame, the stroke guide rail, the stroke motor, the lifting mechanical arm, the battery piece conveying plate, the battery piece adsorption disc, the dust hood, the dust removal blower, the dust collector, the texturing groove, the liquid spraying pipe, the temperature control sensor, the heating bottom plate, the solution concentration sensor, the throttling electromagnetic valve and the liquid supplementing box are combined together, through experimental optimization, the battery conversion efficiency can be improved, the carrier transmission time is short, carrier recombination can be avoided, and the process uniformity and the product stability are high.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a texturing device for a back-contact high-light-efficiency photovoltaic cell of the invention.
In the figure: 1-frame, 2-stroke guide rail, 3-stroke motor, 4-lifting mechanical arm, 5-cell conveying plate, 6-cell adsorption plate, 7-dust hood, 8-dust-removing blower, 9-dust collector, 10-texturing groove, 11-liquid spraying tube, 12-temperature control inductor, 13-heating bottom plate, 14-solution concentration inductor, 15-throttling electromagnetic valve, 16-liquid supplementing box, 17-flow guiding hole, 18-oscillator, 19-liquid spraying electromagnetic valve, 20-conveying plate inductor, 21-water washing groove, 22-ultrasonic oscillator, 23-bubbling cleaning plate and 24-air deflector.
[ detailed description ] embodiments
Referring to fig. 1, the invention relates to a texturing device for a back contact type high-light-efficiency photovoltaic cell, which comprises a frame 1, a stroke guide rail 2, a stroke motor 3, a lifting mechanical arm 4, a cell conveying plate 5, cell adsorption discs 6, a dust hood 7, a dust removing blower 8, a dust collector 9, a texturing groove 10, a liquid spraying pipe 11, a temperature control inductor 12, a heating bottom plate 13, a solution concentration inductor 14, a throttling electromagnetic valve 15 and a liquid supplementing box 16, wherein the top of the frame 1 is provided with the stroke guide rail 2, the stroke guide rail 2 is provided with the stroke motor 3, the bottom of the stroke motor 3 is provided with the cell conveying plate 5 through the lifting mechanical arm 4, the bottom of the cell conveying plate 5 is distributed with a plurality of cell adsorption discs 6, the front section of the stroke guide rail 2 is coated in the dust hood 7, the bottom of the dust hood 7 is provided with the dust removing blower 8 facing the bottom of the cell conveying plate 5, the top of the dust hood 7 is provided with a dust collector 9 corresponding to a dust removal blower 8, the middle section of the stroke guide rail 2 is provided with a texturing groove 10, the texturing groove 10 is filled with texturing liquid, a plurality of vertical upward liquid spraying pipes 11 immersed in the texturing liquid are distributed at the bottom of the texturing groove 10, the side wall of the texturing groove 10 is vertically provided with a temperature control sensor 12, the bottom of the texturing groove 10 is provided with a heating bottom plate 13, the heating bottom plate 13 is connected with the temperature control sensor 12, the side wall of the texturing groove 10 is provided with a solution concentration sensor 14, the upper part of the texturing groove 10 is connected with a liquid supplementing box 16 through a throttling electromagnetic valve 15, the liquid supplementing box 16 is filled with high-concentration texturing liquid, the throttling electromagnetic valve 15 is connected with the solution concentration sensor 14, the number of the battery piece adsorption plates 6 is multiple, and the battery piece adsorption plates 6 are vertically and uniformly distributed at the bottom of the battery piece conveying plate 5 downwards, a plurality of uniformly distributed flow guide holes 17 are vertically arranged in the cell conveying plate 5 in a penetrating manner, an oscillator 18 is arranged at the joint of the cell conveying plate 5 and the lifting mechanical arm 4, the oscillator 18 can drive the cell conveying plate 5 to vibrate left and right, the liquid spraying pipes 11 are uniformly distributed on the moving track of the cell conveying plate 5, liquid spraying electromagnetic valves 19 are arranged at the bottoms of the liquid spraying pipes 11, the liquid spraying electromagnetic valves 19 are communicated with the texturing liquid filled in the texturing groove 10 through a water pump, conveying plate inductors 20 are arranged at the top of the liquid spraying pipes 11, the conveying plate inductors 20 and the liquid spraying electromagnetic valves 19 are connected one by one, a rinsing bath 21 is arranged at the rear section of the travel guide rail 2, the rinsing bath 21 is filled with cleaning water, ultrasonic oscillators 22 are uniformly and symmetrically distributed on the inner side wall of the rinsing bath 21, and a bubbling cleaning plate 23 is arranged at the bottom of the rinsing bath 21, the dust hood 7 is in a horizontal cylindrical shape, and an air deflector 24 is spirally arranged on the inner side wall of the dust hood 7 in a surrounding manner.
According to the invention, the frame 1, the stroke guide rail 2, the stroke motor 3, the lifting mechanical arm 4, the battery piece conveying plate 5, the battery piece adsorption disc 6, the dust hood 7, the dust removing blower 8, the dust collector 9, the texturing groove 10, the liquid spraying pipe 11, the temperature control inductor 12, the heating bottom plate 13, the solution concentration inductor 14, the throttling electromagnetic valve 15 and the liquid supplementing box 16 are combined together, through test optimization, the battery conversion efficiency can be improved, the carrier transmission time is short, carrier recombination can be avoided, and the process uniformity and the product stability are high.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a making herbs into wool device of back of body contact formula high light efficiency photovoltaic cell piece which characterized in that: comprises a frame (1), a stroke guide rail (2), a stroke motor (3), a lifting mechanical arm (4), a battery piece conveying plate (5), a battery piece adsorption disc (6), a dust hood (7), a dust removing blower (8), a dust collector (9), a texturing groove (10), a liquid spraying pipe (11), a temperature control inductor (12), a heating bottom plate (13), a solution concentration inductor (14), a throttling electromagnetic valve (15) and a liquid supplementing box (16), wherein the top of the frame (1) is provided with the stroke guide rail (2), the stroke motor (3) is arranged on the stroke guide rail (2), the battery piece conveying plate (5) is arranged at the bottom of the stroke motor (3) through the lifting mechanical arm (4), a plurality of battery piece adsorption discs (6) are distributed at the bottom of the battery piece conveying plate (5), and the front section of the stroke guide rail (2) is coated and arranged in the dust hood (7), the device is characterized in that a dedusting blower (8) facing the bottom of a battery piece conveying plate (5) is arranged at the bottom of a dedusting cover (7), a dust collector (9) is arranged at the top of the dedusting cover (7) corresponding to the dedusting blower (8), a texturing groove (10) is arranged in the middle section of a stroke guide rail (2), texturing liquid is filled in the texturing groove (10), a plurality of liquid spraying pipes (11) vertically immersed in the texturing liquid upwards are distributed at the bottom of the texturing groove (10), a temperature control sensor (12) is vertically arranged on the side wall of the texturing groove (10), a heating bottom plate (13) is arranged at the bottom of the texturing groove (10), the heating bottom plate (13) is connected with the temperature control sensor (12), a solution concentration sensor (14) is arranged on the side wall of the texturing groove (10), and a liquid supplementing tank (16) is connected to the upper part of the texturing groove (10) through a throttling electromagnetic valve (15), high-concentration texturing liquid is filled in the liquid supplementing box (16), and the throttling electromagnetic valve (15) is connected with the solution concentration sensor (14).
2. The texturing device for the back-contact type high-light-efficiency photovoltaic cell piece as claimed in claim 1, wherein: the number of the cell adsorption discs (6) is multiple, and the cell adsorption discs (6) are vertically and downwards uniformly distributed at the bottom of the cell conveying plate (5).
3. The texturing device for the back-contact type high-light-efficiency photovoltaic cell piece as claimed in claim 1, wherein: a plurality of uniformly distributed flow guide holes (17) vertically penetrate through the cell conveying plate (5).
4. The texturing device for the back-contact type high-light-efficiency photovoltaic cell piece as claimed in claim 1, wherein: the battery piece conveying plate vibration device is characterized in that a vibrator (18) is installed at the joint of the battery piece conveying plate (5) and the lifting mechanical arm (4), and the vibrator (18) can drive the battery piece conveying plate (5) to vibrate left and right.
5. The texturing device for the back-contact type high-light-efficiency photovoltaic cell piece as claimed in claim 1, wherein: the battery plate texturing machine is characterized in that the liquid spraying pipes (11) are uniformly distributed on the moving track of the battery plate conveying plate (5), liquid spraying electromagnetic valves (19) are mounted at the bottoms of the liquid spraying pipes (11), the liquid spraying electromagnetic valves (19) are communicated with a texturing liquid filled in the texturing groove (10) through a water pump, conveying plate inductors (20) are arranged at the tops of the liquid spraying pipes (11), and the conveying plate inductors (20) are connected with the liquid spraying electromagnetic valves (19) one by one.
6. The texturing device for the back-contact type high-light-efficiency photovoltaic cell piece as claimed in claim 1, wherein: the back section of the travel guide rail (2) is provided with a rinsing bath (21), the rinsing bath (21) is filled with cleaning water, ultrasonic oscillators (22) are uniformly and symmetrically distributed on the inner side wall of the rinsing bath (21), and a bubbling cleaning plate (23) is arranged at the bottom of the rinsing bath (21).
7. The texturing device for the back-contact type high-light-efficiency photovoltaic cell piece as claimed in claim 1, wherein: the dust hood (7) is in a transverse cylindrical shape, and an air deflector (24) is spirally arranged on the inner side wall of the dust hood (7) in a surrounding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918324.3A CN113690331A (en) | 2021-08-11 | 2021-08-11 | Back contact type high-light-efficiency photovoltaic cell texturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110918324.3A CN113690331A (en) | 2021-08-11 | 2021-08-11 | Back contact type high-light-efficiency photovoltaic cell texturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113690331A true CN113690331A (en) | 2021-11-23 |
Family
ID=78579607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110918324.3A Pending CN113690331A (en) | 2021-08-11 | 2021-08-11 | Back contact type high-light-efficiency photovoltaic cell texturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113690331A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120127955A (en) * | 2011-05-16 | 2012-11-26 | 엘지전자 주식회사 | Photovoltaic module |
| CN105932108A (en) * | 2016-06-13 | 2016-09-07 | 中国科学院物理研究所 | Chain crystalline silicon texturing equipment and preparation method |
| CN106784142A (en) * | 2016-12-16 | 2017-05-31 | 成都佰思汇信科技有限责任公司 | Solar battery slice etching device and method |
| CN206312916U (en) * | 2017-01-05 | 2017-07-07 | 浙江晶能光电有限公司 | The fluff making device of solar battery sheet |
| CN107063346A (en) * | 2017-04-05 | 2017-08-18 | 刘锋 | A kind of solar cell making herbs into wool detection means |
| CN107516696A (en) * | 2017-09-29 | 2017-12-26 | 刘锋 | A kind of solar cell etching device |
| CN109980031A (en) * | 2019-04-23 | 2019-07-05 | 通威太阳能（成都）有限公司 | A kind of texturing slot and monocrystalline silicon process for etching for crystal silicon solar energy battery |
| CN209641665U (en) * | 2019-06-04 | 2019-11-15 | 江西展宇新能源股份有限公司 | A kind of groove type etching machine |
| CN111162142A (en) * | 2019-12-24 | 2020-05-15 | 中建材浚鑫科技有限公司 | Cell piece processing method for improving efficiency of photovoltaic cell |
-
2021
- 2021-08-11 CN CN202110918324.3A patent/CN113690331A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120127955A (en) * | 2011-05-16 | 2012-11-26 | 엘지전자 주식회사 | Photovoltaic module |
| CN105932108A (en) * | 2016-06-13 | 2016-09-07 | 中国科学院物理研究所 | Chain crystalline silicon texturing equipment and preparation method |
| CN106784142A (en) * | 2016-12-16 | 2017-05-31 | 成都佰思汇信科技有限责任公司 | Solar battery slice etching device and method |
| CN206312916U (en) * | 2017-01-05 | 2017-07-07 | 浙江晶能光电有限公司 | The fluff making device of solar battery sheet |
| CN107063346A (en) * | 2017-04-05 | 2017-08-18 | 刘锋 | A kind of solar cell making herbs into wool detection means |
| CN107516696A (en) * | 2017-09-29 | 2017-12-26 | 刘锋 | A kind of solar cell etching device |
| CN109980031A (en) * | 2019-04-23 | 2019-07-05 | 通威太阳能（成都）有限公司 | A kind of texturing slot and monocrystalline silicon process for etching for crystal silicon solar energy battery |
| CN209641665U (en) * | 2019-06-04 | 2019-11-15 | 江西展宇新能源股份有限公司 | A kind of groove type etching machine |
| CN111162142A (en) * | 2019-12-24 | 2020-05-15 | 中建材浚鑫科技有限公司 | Cell piece processing method for improving efficiency of photovoltaic cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206435531U (en) | A kind of repetend ability of swimming solar silicon wafers prerinse equipment | |
| CN207134929U (en) | A kind of generator with noise reduction function | |
| CN201541501U (en) | Liquid inoculating machine for edible mushroom | |
| CN106733906A (en) | A kind of ultrasonic cleaning equipment for cleaning solar energy cell plate dirt | |
| CN113690331A (en) | Back contact type high-light-efficiency photovoltaic cell texturing device | |
| CN112427396A (en) | Ultrasonic cleaning device for positive and negative electrode plates | |
| CN206286276U (en) | A kind of ultrasonic cleaning equipment for cleaning solar energy cell plate dirt | |
| CN207122060U (en) | A kind of green building | |
| CN210143505U (en) | Automatic assembly line type cultivation facility of plant factory | |
| CN218710884U (en) | Water electrolysis hydrogen production system utilizing ultrasonic field | |
| CN202752271U (en) | High-efficiency sound wave wet treatment device for silicon materials | |
| CN207354211U (en) | A kind of novel self-cleaning formula solar panel | |
| CN203179850U (en) | Wet etching machine | |
| CN212102216U (en) | River surge biochemical pollution control and oxygenation system | |
| CN201250276Y (en) | Acid mist control device for hot-dip galvanized pickling bath | |
| CN202061840U (en) | Ultrasonic cleaning device for coated graphite frame | |
| CN219597120U (en) | Dipping tank for processing cord fabric | |
| CN207342423U (en) | A kind of efficient rice production processing workshop dust-extraction unit | |
| CN214628396U (en) | Modularized vertical greening irrigation system based on air conditioner condensate water recycling | |
| CN218742816U (en) | Pipe rust-proof oil passing device | |
| CN214469070U (en) | Summer cooling device for hydraulic power plant | |
| CN202440530U (en) | Vertical water circulation device of vacuum water quenching furnace | |
| CN220920217U (en) | Wafer megasonic cleaning device | |
| CN219745739U (en) | Wastewater treatment tank | |
| CN109719066A (en) | Steam cleaner and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |