CN203859120U - Solar cell electrode manufactured by utilizing 3D printing - Google Patents
Solar cell electrode manufactured by utilizing 3D printing Download PDFInfo
- Publication number
- CN203859120U CN203859120U CN201320884899.9U CN201320884899U CN203859120U CN 203859120 U CN203859120 U CN 203859120U CN 201320884899 U CN201320884899 U CN 201320884899U CN 203859120 U CN203859120 U CN 203859120U
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- China
- Prior art keywords
- printing
- electrode
- conductive ink
- solar battery
- solar cell
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- 238000010146 3D printing Methods 0.000 title claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 239000002105 nanoparticle Substances 0.000 claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 16
- 239000010703 silicon Substances 0.000 claims description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 11
- 229910052709 silver Inorganic materials 0.000 claims description 10
- 239000004332 silver Substances 0.000 claims description 10
- 238000013459 approach Methods 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 17
- 239000002184 metal Substances 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 16
- 238000007639 printing Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007650 screen-printing Methods 0.000 description 5
- 238000002679 ablation Methods 0.000 description 4
- 239000006117 anti-reflective coating Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000009955 starching Methods 0.000 description 4
- 230000004304 visual acuity Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000002508 contact lithography Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Landscapes
- Photovoltaic Devices (AREA)
- Conductive Materials (AREA)
Abstract
The utility model relates to a solar cell electrode manufactured by utilizing 3D printing. The solar cell electrode comprises a substrate and a conductive ink line. The conductive ink line, which is high-resolution ink comprising nano-scale particles, is directly injected on the substrate by a 3D printer via a nozzle so that an electrode grid line is formed, and the solar cell electrode is formed. Compared with electrodes in the prior art, series resistance and contact resistance can be reduced by the solar cell electrode, and height-width ratio of the grid line is close to 1.0 so that cross section of the electrode can be increased and conductive capability can be enhanced.
Description
Technical field
The utility model relates to a kind of electrode of solar battery grid line, especially relates to a kind of electrode of solar battery of the 3D of utilization printing and making.
Background technology
Increasingly active along with industrial development and mankind's activity, the mankind increase increasingly to the consumption of the energy, and the shortage increasingly of underground non-reproducible fossil energy, energy supply and demand contradiction intensifies day by day, and oneself becomes one of key issue affecting human survival and development energy problem.Compared with many regenerative resources such as wind power generation, ocean power generation, biomass power generation, solar energy power generating has spatter property, fail safe, popularity, noiseless, pollution-free, energy is available anywhere, without consume fuel, mechanical rotating part, easy maintenance, can unattended operation, the construction period is short, scale is random, can be easily and many unrivaled advantages such as building combines.Solar cell is to utilize photovoltaic effect solar energy to be converted into the semiconductor device of electric energy, is then assembled into the device of different voltage, electric current and power, thereby makes people obtain new forms of energy.Solar cell is widely used in space technology, military depot, navigation mark, household electrical appliances and other shorts of electricity without electric outlying district, and wherein crystalline silicon battery plate is due to the commercially produced product that becomes main flow with low cost.
The main manufacturing process of silica-based solar cell monomer mainly comprises chemical prerinse and surface-texturing, diffusion system knot, etching phosphorosilicate glass or Pyrex, depositing antireflection film, making electrode and sintering.The rear end of metallization in solar cell technique, the quality of metal electrode is the key link that determines conversion efficiency.The front electrode of solar cell is the electric conducting material that forms tight ohmic contact with PN junction two ends, and it has the effect of collecting the charge carrier in silicon chip and being delivered to external circuit.
The design that present stage, solar energy crystalline silicon battery plate positive electrode figure adopted is in the industry by many main grids and many vertical secondary grid lines with it, parallel to each other between main grid, also parallel to each other between secondary grid line.The main screen printing mode that adopts of the electrode of industrialization crystal-silicon solar cell preparation at present, is difficult to lower than 70um by the thin grid line width of restriction electrode of pulp property and half tone perforate, and the height of thin grid line is also difficult to improve, and grid line depth-width ratio is generally lower than 0.4.Silk screen printing silver slurry used is mainly made up of silver powder, glass dust and organic phase, the more difficult improvement of ohmic contact of itself and silicon chip, thus affect the raising of cell piece fill factor, curve factor and short circuit current.The printings such as the thick line that in actual production, silk screen printing causes, disconnected grid, empty seal, node, slurry contamination are bad is a key factor that affects cell piece yields.
Utility model content
The purpose of this utility model is exactly that a kind of electrode of solar battery that utilizes 3D printing and making that series resistance, gate electrode line resolution are higher, improve conductive capability that reduces is provided in order to overcome the defect that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions:
Utilize an electrode of solar battery for 3D printing and making, comprise substrate and conductive ink waterline,
Described conductive ink waterline is the high-resolution ink that contains nano_scale particle, is directly injected on substrate and is formed gate electrode line by nozzle through 3D printer, forms electrode of solar battery.
Described substrate is silicon chip.
Described substrate is the silicon chip that thickness is less than 140 μ m.
The depth-width ratio of the gate electrode line that described conductive ink line forms approaches 1.0.
The depth-width ratio of the gate electrode line that described conductive ink line forms is 0.3～1.0.
The solid content of described conductive ink waterline is 40-70wt%.
In described conductive ink waterline, contain composition and comprise Ag, glass dust, glycol ether and Ni/Cu hybrid metal, for X-Jet Solar Ltd. company of Israel produces, conductive layer that marque is FB-20018 silver ink.
As preferred embodiment, the weight ratio of Ag, glass dust, glycol ether and Ni/Cu hybrid metal is 35-75 ︰ 5-25 ︰ 40-70 ︰ 0.1-25.
Compared with prior art, the utlity model has following advantage:
(1) in conductive ink, contain the conducting metal such as Ni, Cu, the contact resistance between nickel and silicon is low, can reduce series resistance;
(2) nanoparticle metallic ink ablation antireflective coating is effective, compared with starching, can reduce contact resistance with tradition containing the Ag of frit;
(3) conductive ink solid content low (40%～70%), and be added with the metal than Ag cheapness, can realize and printing on demand, save consumption more than 30% compared with conventional silver slurry;
(4) (resolving power <50 μ m) to have meticulousr resolving power compared with silk screen printing, can print thinner fuller metal wire, and multiple conducting resinl thin layers that superpose, grid line depth-width ratio approaches 1.0, increase electrode cross-section long-pending, promote conductive capability;
(5) 3D printing is non-contact printing, without board fragment, can be applicable to the more thin silicon sheet that thickness is less than 140 μ m.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment 1
A kind of electrode of solar battery that utilizes 3D printing and making, its structure as shown in Figure 1, comprise substrate 1 and conductive ink waterline 2, the high-resolution ink of conductive ink waterline 2 for containing nano_scale particle, be directly injected on substrate 1 and form gate electrode line by nozzle 3 through 3D printer, form electrode of solar battery.3D prints conductive ink is passed through at a high speed to tiny nozzle 3 by the program of setting, the ad-hoc location that is directly injected to substrate surface forms electrode pattern. and the substrate of employing can be less than for thickness the silicon chip of 140 μ m, owing to adopting 3D printing technique, the depth-width ratio of the gate electrode line that conductive ink line forms approaches 1.0, in the present embodiment, the depth-width ratio of gate electrode line is 0.8.The solid content of the conductive ink waterline using is 40-70wt%, and in the present embodiment, the solid content of conductive ink waterline is 60wt%, and the conductive ink of use is the production of X-Jet Solar Ltd. company of Israel, the conductive layer silver ink that marque is FB-20018.Composition comprises Ag, glass dust, glycol ether and Ni/Cu hybrid metal, the weight ratio of above-mentioned raw materials is 45 ︰ 10 ︰ 60 ︰ 10, owing to containing the conducting metal such as Ni, Cu in conductive ink, the contact resistance between nickel and silicon is low, can reduce series resistance, the nanoparticle ablation antireflective coating that conductive ink adopts is effective, compared with starching containing the Ag of frit with tradition, can reduce contact resistance, be added with the metal than Ag cheapness, can realize and printing on demand, save consumption more than 30% compared with conventional silver slurry.The most important thing is, compared with common silk screen printing, the gate electrode line that adopts 3D to print has meticulousr resolving power, and (resolving power <50 μ m), can print thinner fuller metal wire, and multiple conducting resinl thin layers that superpose, grid line depth-width ratio approaches 1.0, increase electrode cross-section long-pending, promote conductive capability, and 3D printing is non-contact printing, without board fragment, can be applicable to the more thin silicon sheet that thickness is less than 140 μ m.
Embodiment 2
A kind of electrode of solar battery that utilizes 3D printing and making, comprise substrate and conductive ink waterline, conductive ink waterline is the high-resolution ink that contains nano_scale particle, be directly injected to and on substrate, form gate electrode line by nozzle through 3D printer, form electrode of solar battery, owing to having adopted 3D printing technique, the substrate using can be less than for thickness the silicon chip of 140 μ m, the depth-width ratio of the gate electrode line that the conductive ink line of printing forms is 0.3, and the solid content of the conductive ink waterline of use is 40wt%.The conductive ink using is the production of X-Jet Solar Ltd. company of Israel, marque is the conductive layer silver ink of FB-20018, composition comprises Ag, glass dust, glycol ether and Ni/Cu hybrid metal, the weight ratio of above-mentioned raw materials is 35 ︰ 5 ︰ 40 ︰ 0.1, owing to containing Ni in conductive ink, the conducting metals such as Cu, contact resistance between nickel and silicon is low, can reduce series resistance, the nanoparticle ablation antireflective coating that conductive ink adopts is effective, compared with starching containing the Ag of frit with tradition, can reduce contact resistance, be added with the metal than Ag cheapness, can realize and printing on demand, save consumption more than 30% compared with conventional silver slurry.
Embodiment 3
A kind of electrode of solar battery that utilizes 3D printing and making, comprise substrate and conductive ink waterline, conductive ink waterline is the high-resolution ink that contains nano_scale particle, be directly injected to and on substrate, form gate electrode line by nozzle through 3D printer, form electrode of solar battery, owing to having adopted 3D printing technique, the substrate of use can be less than for thickness the silicon chip of 140 μ m, the depth-width ratio of the gate electrode line that the conductive ink line of printing forms is 1.0, and the solid content of the conductive ink waterline of use is 70wt%.The conductive ink using is the production of X-Jet Solar Ltd. company of Israel, marque is the conductive layer silver ink of FB-20018, composition comprises Ag, glass dust, glycol ether and Ni/Cu hybrid metal, the weight ratio of above-mentioned raw materials is 75 ︰ 25 ︰ 70 ︰ 25, owing to containing Ni in conductive ink, the conducting metals such as Cu, contact resistance between nickel and silicon is low, can reduce series resistance, the nanoparticle ablation antireflective coating that conductive ink adopts is effective, compared with starching containing the Ag of frit with tradition, can reduce contact resistance, be added with the metal than Ag cheapness, can realize and printing on demand, save consumption more than 30% compared with conventional silver slurry.
Claims (5)
1. utilize an electrode of solar battery for 3D printing and making, comprise substrate and conductive ink waterline,
It is characterized in that, described conductive ink waterline is the high-resolution ink that contains nano_scale particle, be directly injected to and on substrate, form gate electrode line by nozzle through 3D printer, form electrode of solar battery, the high-resolution ink that contains nano_scale particle is that X-Jet Solar Ltd. company of Israel produces, the conductive layer silver ink that marque is FB-20018.
2. a kind of electrode of solar battery that utilizes 3D printing and making according to claim 1, is characterized in that, described substrate is silicon chip.
3. a kind of electrode of solar battery that utilizes 3D printing and making according to claim 2, is characterized in that, described substrate is the silicon chip that thickness is less than 140 μ m.
4. a kind of electrode of solar battery that utilizes 3D printing and making according to claim 1, is characterized in that, the depth-width ratio of the gate electrode line that described conductive ink line forms approaches 1.0.
5. a kind of electrode of solar battery that utilizes 3D printing and making according to claim 1, is characterized in that, the depth-width ratio of the gate electrode line that described conductive ink line forms is 0.3～1.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884899.9U CN203859120U (en) | 2013-12-30 | 2013-12-30 | Solar cell electrode manufactured by utilizing 3D printing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884899.9U CN203859120U (en) | 2013-12-30 | 2013-12-30 | Solar cell electrode manufactured by utilizing 3D printing |
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| Publication Number | Publication Date |
|---|---|
| CN203859120U true CN203859120U (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320884899.9U Expired - Fee Related CN203859120U (en) | 2013-12-30 | 2013-12-30 | Solar cell electrode manufactured by utilizing 3D printing |
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| Country | Link |
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| CN (1) | CN203859120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489666A (en) * | 2016-01-12 | 2016-04-13 | 山东联星能源集团有限公司 | System and method for preparing solar cell electrode by inkjet 3D printing |
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2013
- 2013-12-30 CN CN201320884899.9U patent/CN203859120U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489666A (en) * | 2016-01-12 | 2016-04-13 | 山东联星能源集团有限公司 | System and method for preparing solar cell electrode by inkjet 3D printing |
| CN105489666B (en) * | 2016-01-12 | 2017-04-19 | 山东联星能源集团有限公司 | System and method for preparing solar cell electrode by inkjet 3D printing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20211230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |