CN109119510A - A method of connection solar cell metallic electrode and photovoltaic welding belt - Google Patents
A method of connection solar cell metallic electrode and photovoltaic welding belt Download PDFInfo
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- CN109119510A CN109119510A CN201710496278.6A CN201710496278A CN109119510A CN 109119510 A CN109119510 A CN 109119510A CN 201710496278 A CN201710496278 A CN 201710496278A CN 109119510 A CN109119510 A CN 109119510A
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- conducting resinl
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- 238000003466 welding Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 238000007731 hot pressing Methods 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 10
- 239000003292 glue Substances 0.000 description 9
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 238000011160 research Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000975 dye Substances 0.000 description 4
- 206010070834 Sensitisation Diseases 0.000 description 3
- 239000002313 adhesive film Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000009776 industrial production Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000008313 sensitization Effects 0.000 description 3
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
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- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
- H01L21/60—Attaching or detaching leads or other conductive members, to be used for carrying current to or from the device in operation
- H01L21/603—Attaching or detaching leads or other conductive members, to be used for carrying current to or from the device in operation involving the application of pressure, e.g. thermo-compression bonding
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electromagnetism (AREA)
- Photovoltaic Devices (AREA)
Abstract
The purpose of the present invention is to provide a kind of methods for connecting solar cell metallic electrode and photovoltaic welding belt, comprising: conducting resinl material is arranged in the first step on solar cell metallic electrode；Photovoltaic welding belt is attached to the second step on the conducting resinl material on the metal electrode；And using the third step that there is the hot-press arrangement of heating, pressurization function to be hot bonding the photovoltaic welding belt, the conducting resinl material and the metal substrate.According to the present invention, conducting resinl material and hot pressing attaching process can be used, photovoltaic welding belt is effectively electrically connected with the metal electrode of solar battery, is able to solve by this method and is difficult to realize the problem of solar battery metal connect pole with conducting wire by general welding manner.
Description
Technical field
The present invention relates to technical field of solar batteries, and in particular, to a kind of connection solar cell metallic electrode with
The method of photovoltaic welding belt.
Background technique
As the rapid development and human civilization of science and technology are constantly progressive, the mankind be sought for can substituting coal, petroleum,
The renewable new energy of the fossil fuels such as natural gas.Solar energy waits so long advantage in the last hundred years with abundant, cleaning, convenient and length
Constantly researched and developed, dye-sensitized solar cells (DSSC) be used as third generation solar cell, with abundant raw materials, at
The advantages that this is low, technology is relatively easy and nontoxic and pollution-free is increasingly becoming research hotspot.
Nanocrystalline porous film is introduced into dyestuff by Lausanne, SUI federal Institute of Technology Gr tzel in 1991 and its research group
In sensitization solar battery, the historical breakthrough that photoelectric conversion efficiency reaches 7.1% is obtained.In subsequent 20 years, pass through generation
Boundary various regions researcher is continually striving to, and the photoelectric conversion efficiency of DSSC has been basically stable at 10% or more.To 2013,
The research group of Gr tzel has developed the dye-sensitized solar cells that transfer efficiency is up to 15%, this undoubtedly becomes dyestuff again
One new breakthrough of sensitization solar battery photoelectric conversion efficiency, is also widely applied in reality for DSSC, comes into the life of people
It is living to have drawn step fast.
However, the voltage that monolithic DSSC is provided is limited, if even realized to provide DSSC to electric power supply
It generates electricity by way of merging two or more grid systems, just monolithic battery must be formed to the component of large area in parallel or series, and battery is passed through into serial or parallel connection
Prepare large area component, it is necessary first to realize how the positive and negative anodes of DSSC monocell are drawn by conducting wire.
The structure of DSSC mostly uses greatly following component to form at present: the formation such as transparent substrate, FTO of the formation such as glass it is saturating
Bright conductive layer supports the semi-conducting electrode layer of photosensitive dye, electrolyte layer, to electrode layer, (metal substrate is led to electrode substrate
Electric glass etc.) and containment member etc..Wherein the glass substrate with semi-conducting electrode layer is anode, is to electrode substrate
Battery cathode.
In order to prepare large area component, firstly, it is necessary to select the material and technique that are easy to be attached between cell piece:
Welding is the connection type for being easiest to realize, therefore connecting wire generallys use photovoltaic welding belt (also known as tin-coated copper strip or Tu Xitong
Band), i.e., one kind has one fixed width (usually 1 ~ 3mm) and surface is coated with the copper foil of tin；Secondly, needing to realize anode
With cathode respectively with the connection of welding: the glass substrate as anode can be by welding using welding gun by glass substrate
It is realized and is connected by welding material (scolding tin, scaling powder etc.) with welding, and as negative electrode substrate, according to metal substrate, then very
The difficult connection directly realized by welding with welding.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of realization solar cell metallic electrode and photovoltaics
The method of the connection of welding is solved in the prior art with this, it is difficult to realize solar battery metal pair by general welding manner
The problem of pole is connect with conducting wire.
In order to solve the above technical problems, a kind of connection solar cell metallic electrode provided by the present invention and photovoltaic welding belt
Method, comprising: conducting resinl material is arranged in the first step on solar cell metallic electrode；Photovoltaic welding belt is attached to institute
State the second step on the conducting resinl material on metal electrode；And it will using the hot-press arrangement with heating, pressurization function
The third step that the photovoltaic welding belt, the conducting resinl material and the metal substrate are hot bonding.
In accordance with the invention it is possible to using conducting resinl material and hot pressing attaching process, by photovoltaic welding belt and solar battery
Metal electrode be effectively electrically connected, can not only solve to be difficult to by this method to realize solar energy by general welding manner
The problem of battery metal connect pole with conducting wire, and make the connection resistance very little between metal electrode and photovoltaic welding belt, no
It will cause the internal resistance of cell to increase and battery efficiency is caused to decline, while under the premise of guaranteeing battery efficiency, being more suitable for advising greatly
Mould production.In addition, realizing the connection of solar cell metallic electrode and photovoltaic welding belt by simple technique, therefore has operation
It is convenient, the beneficial effects such as low in cost, the furthermore industrial production application and material supply section to dye-sensitized solar cells is improved
Scientific research value has great importance.
Also, in the present invention, being also possible to the conducting resinl material and being formed as membranaceous.
Also, in the present invention, being also possible in the first step, the conducting resinl material is with conducting particles
Gluing agent material.By means of this, after being heating and curing or drying have certain electric conductivity, including isotropic conductive adhesive and
Anisotropy conductiving glue.
Also, in the present invention, being also possible in the first step, the conducting resinl material is arranged in the metal
Method on substrate includes: printing squeegee, is attached manually, and machine attaches.
Also, in the present invention, being also possible in the first step, the conduction on the metal substrate is set
The width of glue material is 1 ~ 3mm.
Also, in the present invention, being also possible in the first step, the conduction on the metal substrate is set
Its of glue material is with a thickness of 15 ~ 100 μm.
Also, in the present invention, being also possible in the third step, the hot pressing temperature for being hot bonding technique is 100 ~ 300
DEG C, hot pressing time is 10 ~ 60s.
Also, in the present invention, being also possible in the third step, for heating the pressure of pressurization in the hot-press arrangement
Head width is 1 ~ 4mm.
According to the present invention, a kind of method for connecting solar cell metallic electrode and photovoltaic welding belt is provided, can be used
The metal electrode of photovoltaic welding belt and solar battery can be effectively electrically connected by conducting resinl material and hot pressing attaching process
It connects, the connection resistance very little under this method between metal electrode and photovoltaic welding belt, not will cause the internal resistance of cell and increase and lead to electricity
The decline of pond efficiency.In addition, also easy to operate according to the method for the present invention, it is low in cost the advantages that.
According to following specific embodiments and attached drawing is referred to, is better understood with above content of the invention and other mesh
, feature and advantage.
Detailed description of the invention
Fig. 1 is the current-voltage characteristic song for showing according to embodiments of the present invention 1 corresponding battery under standard test conditions
The figure of line；
Fig. 2 is the current-voltage characteristic curve for showing according to embodiments of the present invention 2 corresponding batteries under standard test conditions
Figure；
Fig. 3 is the current-voltage characteristic curve for being shown as the corresponding battery of prior art comparative example 1 under standard test conditions
Figure；
Fig. 4 is the current-voltage characteristic curve for being shown as the corresponding battery of prior art comparative example 2 under standard test conditions
Figure；
Fig. 5 is the chart for showing the electrical performance data of the corresponding battery of embodiment 1-2 and summarizing；
Fig. 6 is the chart for showing the electrical performance data of the corresponding battery of comparative example 1-2 and summarizing.
Specific embodiment
Illustrate the progress of substantive distinguishing features and conspicuousness of the invention below with reference to specific implementation form and attached drawing.Ying Li
Solution, these implementation forms are only used for that invention is further explained, should not be understood as limiting the scope of the invention.
Direction concept as shown below is only for convenience of description, and non-limiting, and when specific implementation can change as needed.Without departing substantially from the present invention
Background and spirit under the premise of, those skilled in the art can be carried out on the basis of reading the contents of the present invention equivalencing with
Modification, content are also included in the scope of protection of present invention.
The technical issues of in order to solve in the prior art, the present invention provide a kind of connection solar cell metallic electrode and light
The method for lying prostrate welding.The method of connection solar cell metallic electrode and photovoltaic welding belt according to the present invention, easy to operate, cost
It is cheap etc., photovoltaic welding belt can not only be effectively electrically connected with the metal electrode of solar battery, make metal electrode and light
The connection resistance very little between welding is lied prostrate, the internal resistance of cell is not will cause and increases and battery efficiency is caused to decline, it can also be preferably
For industrial production and scientific research service, there is important academic significance and engineering application value.
A kind of method of connection solar cell metallic electrode and photovoltaic welding belt provided by the present invention includes: by conducting resinl
The first step on solar cell metallic electrode is arranged in material；Photovoltaic welding belt is attached to the conducting resinl on the metal electrode
The second step on material；And using there is the hot-press arrangement of heating, pressurization function by the photovoltaic welding belt, the conduction
The third step that glue material and the metal substrate are hot bonding.
Specifically, in first step, solar battery gold is arranged in by the modes such as attaching or being coated in conducting resinl material
Belonging on substrate, wherein attaching may be, for example, attaching manually or machine attaching etc., and the methods of printing squeegee for example can be used in coating,
In addition, conducting resinl material is for example formed as membranaceous, but the shape of set-up mode and conducting resinl material is without being limited thereto.
In addition, conducting resinl material may be, for example, the gluing agent material with conducting particles in the present invention.By means of this,
There is certain electric conductivity, including isotropic conductive adhesive and anisotropy conductiving glue after being heating and curing or drying.In addition, setting
The width for setting conducting resinl material on metallic substrates can be 1 ~ 3mm, and thickness can be 15 ~ 100 μm, but not limited to this, it can basis
The practical change of concrete condition.
In the second step, photovoltaic welding belt is attached on the conductive material of the metal electrode of metal substrate, the mode of attaching can
Using technological means well known in the art.
Finally in the third step, using there is the hot-press arrangement of heating, pressurization function by photovoltaic welding belt, conducting resinl material
And metal substrate is hot bonding.Specifically, in the third step, the hot pressing temperature for being hot bonding technique is 100 ~ 300 DEG C,
Hot pressing time is that the pressure head width in 10 ~ 60s hot-press arrangement for heating pressurization is 1 ~ 4mm.
Connection method according to the present invention can not only carry out the metal electrode of photovoltaic welding belt and solar battery effective
Electrical connection, moreover it is possible to guarantee the connection resistance very little between metal electrode and photovoltaic welding belt, not will cause the internal resistance of cell and increase and lead
Cause battery efficiency decline.In addition, also have many advantages, such as according to the method for the present invention it is easy to operate, it is low in cost.
Above-mentioned connection solar-electricity according to the present invention is further described now in conjunction with attached drawing and specific embodiment
The method of pond metal electrode and photovoltaic welding belt.
(embodiment 1)
Firstly, using hot pressing abutted equipment by different side's conductive adhesive film (Anisotropic Conductive Film；ACF it) attaches
On solar cell metallic electrode.Wherein, the width of ACF glue film is 1.2mm, with a thickness of 20 μm, feed length 117mm；
Attaching and selecting hot pressing temperature is 140 DEG C, time 10s.
Then, it is 150mm, width 1.6mm by length, (is applied in the present embodiment with a thickness of the photovoltaic welding belt of 0.25mm
Tin copper strips) it is attached on above-mentioned ACF glue film.Then, the solar battery for posting ACF and photovoltaic welding belt hot pressing fitting is placed on to set
It is hot bonding in standby, hot pressing temperature is 160 DEG C, hot pressing time 30s.
Then, the photovoltaic welding belt for impregnating scaling powder is welded on electric iron in the silver wire for being printed in above-mentioned battery FTO.
In above-mentioned solar battery, it is anode lead by the tin-coated copper strip that ACF and titanium foil are hot bonding, is welded with FTO silver wire
The tin-coated copper strip connect in succession is battery cathode lead, and the battery that positive and negative anodes are drawn by welding is carried out electricity under solar simulator
The test of pond photoelectric conversion performance.
Fig. 1 shows current-voltage characteristic curve of the corresponding battery of embodiment 1 under standard test conditions, using upper
In the case where stating technique connection, current-voltage characteristic curve of the battery under standard test conditions is as shown in Figure 1.
(embodiment 2)
Firstly, using hot pressing abutted equipment by different side's conductive adhesive film (Anisotropic Conductive Film；ACF it) attaches
On solar cell metallic electrode.Wherein, the width of ACF glue film is 1.0mm, with a thickness of 20 μm, feed length 117mm；
Attaching and selecting hot pressing temperature is 140 DEG C, time 10s.
Then, it is 150mm, width 1.6mm by length, (is applied in the present embodiment with a thickness of the photovoltaic welding belt of 0.25mm
Tin copper strips) it is attached on above-mentioned ACF glue film.Then, the solar battery for posting ACF and photovoltaic welding belt hot pressing fitting is placed on to set
It is hot bonding in standby, hot pressing temperature is 190 DEG C, hot pressing time 10s.
Then, the photovoltaic welding belt for impregnating scaling powder is welded on electric iron in the silver wire for being printed in above-mentioned battery FTO.
It is anode lead by the tin-coated copper strip that ACF and titanium foil are hot bonding in above-mentioned battery, is welded to connect with FTO silver wire
Tin-coated copper strip is battery cathode lead, and the battery that positive and negative anodes are drawn by welding is carried out cell photoelectric under solar simulator and is turned
Change performance test.
Fig. 2 shows current-voltage characteristic curve of the corresponding battery of embodiment 2 under standard test conditions, using upper
In the case where stating technique connection, current-voltage characteristic curve of the battery under standard test conditions is as shown in Figure 2.
(comparative example 1)
By the battery in embodiment 1, the silver wire in battery in FTO is directly contacted by Special-purpose testing jig (is in the present embodiment
Cathode) and titanium foil (being titanium foil in the present embodiment), rather than positive and negative anodes are drawn by photovoltaic welding belt, exist by solar simulator
The current-voltage characteristic curve of battery is tested under standard test conditions.
It is bent that Fig. 3 is shown as current-voltage characteristic of the corresponding battery of prior art comparative example 1 under standard test conditions
The figure of line, using the connection of above-mentioned technique, current-voltage characteristic curve of the battery under standard test conditions such as Fig. 3
It is shown.
(comparative example 1)
By the battery in embodiment 2, the silver wire in battery in FTO is directly contacted by Special-purpose testing jig (is in the present embodiment
Cathode) and titanium foil (being titanium foil in the present embodiment), rather than positive and negative anodes are drawn by photovoltaic welding belt, exist by solar simulator
The current-voltage characteristic curve of battery is tested under standard test conditions.
It is bent that Fig. 4 is shown as current-voltage characteristic of the corresponding battery of prior art comparative example 2 under standard test conditions
The figure of line, using the connection of above-mentioned technique, current-voltage characteristic curve of the battery under standard test conditions such as Fig. 4
It is shown.
As described above, it is to pass through different side's conductive adhesive film by battery corresponding in embodiment 1 ~ 2 that Fig. 1 and Fig. 2 is corresponding
After drawing anode (being titanium foil in the present embodiment) and cathode (being the silver wire on FTO in the present embodiment) with welding, utilize
Solar simulator, the cell I-V curves measured under standard test conditions.
Fig. 3 and Fig. 4 corresponding is that it is direct directly to pass through proprietary test fixture by battery corresponding in comparative example 1 ~ 2
Anode (being titanium foil in the present embodiment) and cathode (being the silver wire on FTO in the present embodiment) are contacted, sun optical analog is utilized
Device, the cell I-V curves measured under standard test conditions.
For the comparing embodiment and comparative example being more clear, to embody effect of the invention, and the above is surveyed
It is Fig. 5 and Fig. 6 that test result, which arranges,.Fig. 5 is the figure for showing the electrical performance data of the corresponding solar battery of embodiment 1-2 and summarizing
Table；Fig. 6 is the chart for showing the electrical performance data of the corresponding solar battery of comparative example 1-2 and summarizing.
By comparison diagram 5 and Fig. 6 it is found that being bonded to being utilized with a piece of solar battery using conducting resinl material and hot pressing
Photovoltaic welding belt can be effectively electrically connected with the metal electrode of solar battery, not had substantially to the internal resistance Rs of battery by technique
Have an impact, the photoelectric conversion efficiency of battery is barely affected.
To sum up, in accordance with the invention it is possible to using conducting resinl material and hot pressing attaching process by photovoltaic welding belt and solar energy
The metal electrode of battery is effectively electrically connected, so that the connection resistance very little between metal electrode and photovoltaic welding belt, Bu Huizao
At the internal resistance of cell increase and cause battery efficiency to decline, in addition, by simple technique realize solar cell metallic electrode and
The connection of photovoltaic welding belt, therefore have the beneficial effects such as easy to operate, low in cost, it is furthermore electric to dye sensitization of solar is improved
The industrial production in pond is applied and the scientific research value of material science has great importance.
Under the objective for not departing from essential characteristic of the invention, the present invention can be presented as diversified forms, therefore in the present invention
Implementation form be to be illustrative rather than definitive thereof, limited since the scope of the present invention is defined by the claims rather than by specification,
And all changes fallen in the full scope of equivalents of the range that claim defines or the range that it is defined be understood to include
In detail in the claims.
Claims (8)
1. a kind of method for connecting solar cell metallic electrode and photovoltaic welding belt characterized by comprising
Conducting resinl material is arranged in the first step on solar cell metallic electrode；
Photovoltaic welding belt is attached to the second step on the conducting resinl material on the metal electrode；And
Using there is the hot-press arrangement of heating, pressurization function by the photovoltaic welding belt, the conducting resinl material and the metal
The third step that substrate is hot bonding.
2. the method according to claim 1, wherein the conducting resinl material is formed as membranaceous.
3. the method according to claim 1, wherein in the first step, the conducting resinl material be with
The gluing agent material of conducting particles.
4. the method according to claim 1, wherein the conducting resinl material is arranged in the first step
Method on the metal substrate includes: printing squeegee, is attached manually, and machine attaches.
5. the method according to claim 1, wherein being arranged on the metal substrate in the first step
The conducting resinl material width be 1 ~ 3mm.
6. the method according to claim 1, wherein being arranged on the metal substrate in the first step
The conducting resinl material with a thickness of 15 ~ 100 μm.
7. the method according to claim 1, wherein being hot bonding the hot pressing temperature of technique in the third step
Degree is 100 ~ 300 DEG C, and hot pressing time is 10 ~ 60s.
8. the method according to claim 1, wherein being used to add in the hot-press arrangement in the third step
The pressure head width of heat pressurization is 1 ~ 4mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710496278.6A CN109119510A (en) | 2017-06-26 | 2017-06-26 | A method of connection solar cell metallic electrode and photovoltaic welding belt |
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| CN201710496278.6A CN109119510A (en) | 2017-06-26 | 2017-06-26 | A method of connection solar cell metallic electrode and photovoltaic welding belt |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110887782A (en) * | 2019-12-04 | 2020-03-17 | 西安科技大学 | Working electrode for corrosion detection and preparation method thereof |
| CN114834147A (en) * | 2022-04-12 | 2022-08-02 | 中威新能源(成都)有限公司 | Solar cell bonding material printing device |
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