18 Years Factory Poly-crystalline Solar Panel 3W for New Orleans Manufacturer
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Poly-crystalline Solar Panel 3W
Technical parameter
Maximum Power(W) 3W
Optimum Power Voltage(Vmp) 9V
Optimum Operating Current(Imp) 0.34A
Open Circuit Voltage(Voc) 10.8V
Short Circuit Current(Isc) 0.37A
Mechanical Characteristics
Cell Type Polycrystalline
No of Cell 18 (2x9pcs)
Dimensions 145x245x18mm
Weight 0.52KGS
Front Glass 3.2mm,High Transmission, Low Iron,Tempered Glass
Temperature and Coefficients
Operating Temperature(°C): -40°C ~ + 85°C
Maximum System Voltage: 600V(UL)/1000V(IEC) DC
Maximum Rated Current Series: 10A
Temperature Coefficients of Pmax: -0.435%
Temperature Coefficients of Voc: -0.35%
Temperature Coefficients of Isc: 0.043%
Nominal Operationg Cell Temperature (NOCT): 47+/-2°C
Materials of solar panel
1).Solar Cell——Polycrystalline solar cell 156*156mm
2).Front Glass——-3.2mm, high transmission, low iron, tempered glass
3).EVA——-excellent anti-aging EVA
4).TPT——-TPT hot seal made of flame resistance
5).Frame——anodized aluminum profile
6).Junction Box——-IP65 rated, high quality, with diode protection
Superiority: high quality anodized aluminum frame, high efficiency long life, easy installation, strong wind resistance, strong hail resistance.
Features
1. High cell efficiency with quality silicon materials for long term output stability
2. Strictly quality control ensure the stability and reliability, totally 23 QC procedures
3. High transmittance low iron tempered glass with enhanced stiffness and impact resistance
4. Both Poly-crystalline and Mono-crystalline
5. Excellent performance in harsh weather
6. Outstanding electrical performance under high temperature and low irradiance
Quality assurance testing
Thermal cycling test
Thermal shock test
Thermal/Freezing and high humidity cycling test
Electrical isolation test
Hail impact test
Mechanical, wind and twist loading test
Salt mist test
Light and water-exposure test
Moist carbon dioxide/sulphur dioxide
Graphene is a material made up of single-atom thick sheets of carbon which makes graphene flexible, conductive, transparent and abundant. Currently, researchers are trying to fully incorporate graphene into thin-film solar cells due to graphene’s high conductance and transparency; however, graphene cannot hold an electrical charge as well as some other materials. As a result, scientists are coming up with new ways to process graphene sheets so that they are better suited for use in solar energy applications.
One way to improve the use of graphene in solar cells is to dope the sheets of graphene with oxygen to create graphene oxide which is less conductive but better able to hold a charge. If this technology is successfully developed and executed, it could replace the brittle and rare Indium Tin Oxide (ITO) which is a useful, but very expensive conductor. Another idea that scientists are investigating is stacking multiple sheets of graphene together to increase conductance and charge capacity. This allows less light to penetrate the surface of the solar cells but also increases the charge capacity, allowing the graphene sheets to outperform ITO.
Both of these ideas for graphene usage in solar cells demonstrate the materials science paradigm of processing a material to obtain optimal properties for the application. Our video will talk about the structure of graphene itself and how processing the graphene differently alters the structure of graphene which improves its properties and allows it to perform better in photovoltaic cells. These positive effects of graphene usage in solar cells would clearly benefit the environment by creating cheaper and more efficient solar cells.
Sources Cited in Abstract:
http://www.graphene-info.com/graphene-solar-panels
http://www.graphene-info.com/researchers-say-graphene-will-outperform-ito-solar-panel-transparent-electrode-material
References:
Introduction to solar panels, N-type and P-type semiconductors: http://www.nrel.gov/docs/legosti/old/1448.pdf, http://electronicdesign.com/power-sources/what-s-difference-between-thin-film-and-crystalline-silicon-solar-panels
Image on Page 4 based picture from: https://www.acs.org/content/acs/en/education/resources/highschool/chemmatters/past-issues/archive-2013-2014/how-a-solar-cell-works.html?cq_ck=1396892718960
Intro to current problems with solar cells: http://www.solarpoweristhefuture.com/problems-with-solar-energy.shtml
Solar cells are expensive: http://www.sigmaaldrich.com/catalog/product/aldrich/544876?lang=en®ion=US, http://energyinformative.org/best-solar-panel-monocrystalline-polycrystalline-thin-film/#thin-film-solar-cells,
Current solar panels are not efficient : http://www.solarpoweristhefuture.com/how-efficient-is-solar-energy.shtml, http://energyinformative.org/best-solar-panel-monocrystalline-polycrystalline-thin-film/#thin-film-solar-cells, http://www.mpoweruk.com/energy_efficiency.htm
Properties of Graphene: https://www.graphenea.com/pages/graphene-properties#.WO7aLNLyvb0,
Second Solution: https://phys.org/news/2013-12-graphene-sheets-effective-transparent-electrodes.html
MSE Triangle: http://www.graphenomenon.com/, https://www.scientificamerican.com/article/balancing-act/
Image Credits (in order of appearance):
https://www.extremetech.com/wp-content/uploads/2015/07/graphene-head.jpg
https://www.sciencedaily.com/releases/2016/09/160928151119.htm
https://commons.wikimedia.org/wiki/File:Illust_poly_thinfilm.gif
Custom images/animation by our team
https://brainmass.com/hubsimg/1477377/carbon.jpg
https://www.graphene-info.com/graphene-solar-panels
https://www.researchgate.net/profile/Shine_Augustine/publication/276394214/figure/fig2/AS:294624238292993@1447255300638/Figure-3-Molecular-structure-of-i-graphene-ii-graphene-oxide-Graphene-exhibits-a.png
http://www.aerogelgraphene.com/graphene-solar-panels-2/
http://daais.sinica.edu.tw/english/publication_list.php?yearId=11
https://www.graphene-info.com/graphene-solar-panels
http://www.industrialheating.com/ext/resources/Issues/Issues2/2017/Jan/ih0117_mct_fig1-900.jpg
https://s-media-cache-ak0.pinimg.com/originals/f7/76/be/f776bef5ea60f056da26d4204bcc8cc1.jpg
https://www.sciencedaily.com/releases/2016/09/160928151119.htm
Solar Power For Home In Bahawalpur Pakistan Urdu/Hindi By Zakria 2017
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