Solar Cells With High Efficiecy with Discount

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Product Description:

 

Size:156*156±0.5mmMax. Power:3.99wProduct:damaged solar cells
Pmp:3.99wVmp:0.516vImp:7.731A
Voc:0.621vIsc:8.262AEfficiency:16.25-16.50%
Thickness:190±20umFormat:156*156±0.5mmFF:77.77%
Packaging & Delivery
Packaging Detail:Original Package, 100pcs in one boxes, 10boxes in one carton
Delivery Detail:1~2days
Specifications
damaged solar cells
solar cells in stock with immediate delivery with big quantity, all range cells avaiable, poly

Manufacturer     

1,Components,ultra-white Executed tempered glass+PVB+cell+PVB+tempered glass
Glass+PVB+Cell+PVB+Glass
2,Components with ultra-white Executed tempered glass+PVB+cell+PVB+tempered glass+of PVB+tempered glass
Glass+PVB+Cell+PVB+Glass+PVB+Glass

 

Quality and Safety

 

1.Rigorous quality control meeting the highest international standards

 

2.High-transmissivity low-iron tempered glass, strong aluminium frame

 

3.Using UV-resistant silicon

 

4.ISO 9001:2008 and ISO 14001:2004

 

5.IEC61215, IEC61730, Safety Class in conformity to CE

 

Features

 

 1.High conversion efficiencies resulting in superior power output performance.

 2.Outstanding power output even in low light or high temperature conditions

 3.Optimized design for ease of soldering and lamination

 4.Long-term stability,reliability and performance

 

Warranties

 

1.10 years limited product warranty

 

2.15 years at 90% of the minimal rated power output

 

3.25 years at 80% of the minimal rated power output

 

Format:        156mm x 156mm

Thickness:    190um+-20um

Front(-):        1.7mm bus bars(silver),blue anti-reflecting coating(silicon nirtride)

back(+):        3mm wide soldering pads(silver) back surface field(aluminium) 

 

Size156mm x156mm ±0.5mm
Thickness190um ± 20um
Front surface(-)1.7mm bus bars(silver), blue anti-reflecting coating(Silicon nitride)
Back surface (+)3mm wide soldering pads(silver) back surface field(Aluminum)
TkVoltage-0.351%/K
TkCurrent+0.035%/K
TkPower-0.47%/K
Efficiency(%)Pmp(W)Vmp(V)Imp(A)Voc(V)Isc(A)FF(%)
16.25-16.503.990.5167.7310.6218.26277.77
16.00-16.253.920.5127.660.6168.19577.68
15.75-16.003.860.5097.5840.6138.13577.43
15.50-15.753.80.5057.5250.6118.0877.04
15.25-15.503.740.5027.4580.6098.05376.2
15.00-15.253.680.57.3650.6098.03875.12
14.75-15.003.620.4987.2710.6078.04574.23
14.50-14.753.560.4977.160.6048.0473.3
14.25-14.503.50.4947.0910.6038.0871.84
 14.00-14.253.440.4946.960.6018.06570.91

 

solar cell Pic. and drawing:

 

 

High Quality Damaged Solar Cells With Low Price


 

Benefits of Solar Power:

Now is a great time to go solar and harvest the power of the sun. Here is our top ten list of the benefits to installing solar power:

1, When installed, solar energy is free – no resources are consumed
2, Help to lessen our dependence on heavily polluting coal power stations
3, Fossil fuels can't last forever, future generations will appreciate the effort
4, You are gaining energy independence - add battery backup power for even greater energy security
5, The cost of electricity is only going to rise – insure against that rising cost
6, Quality solar power and water adds value and appeal to your home
7, Solar PV systems are easily upgraded in future - aim to make your house a net energy producer!
8, Solar panels offer a long lifetime of low maintenance service, maybe 30-40 years
9, Your friends will think you're great!
10, You'll feel great for doing your bit for the environment!

FAQ

1, What’s price per product ?

A: It’s depends on the quantity, delivery date and payment terms of the order. We can talk further about the detail price issue. Our products is high quality with lower price level.

2, How to make payment?

We accept T/T or L/C.

3, What is your lead time?

Generally 1-5 weeks depends on the order quantity and your specific requirements.

4, Can you do OEM for us?

Yes, we can.

5, How do you pack your products?

We have rich experience on how to pack the panels to make sure the safety on shipment when it arrives at the destination.

 

Some basic information about solar cell

Solar cells are devices which convert solar light energy directly into electricity and function by the photovoltaic effect.  Photo- means light and -voltaic means electrical current or electricity  (light-electricity).  A solar cell provides direct current (DC) electricity that can be used to power DC motors and light bulbs among other things.  Solar cells can even be used to charge rechargeable batteries so that electricity can be stored for later use when the sun is not available. The fully charged batteries are portable energy that can be used whenever and wherever they are needed.

Solar cells provide DC electricity similar to batteries however, batteries differ because they operate through a process known as an electrochemical reaction.  This process will provide an electrical current (electro-) from a chemical reaction (-chemical) that occurs inside the battery.  When you hook up a motor to the battery, also known as a load, the reaction begins and electrons flow as shown in the picture: "Battery Circuit".  Direct current (DC electricity) is different from the alternating current (AC electricity) that is used to power the TV, refrigerator, and other appliances in your home however, DC can be converted to AC when needed.

Battery Circuit (large image)

Solar Cells With High Efficiecy with Discount

Solar cells produce DC electricity from light.  Sunlight contains packets of energy called photons that can be converted directly into electrical energy.  You can’t see the photons but they hit the cell and produce free electrons that move through the wires and cause an electrical current as shown in the picture: "Solar Cell Circuit".  The electrical current is the electricity that powers the motor.  Although you can't see the photons you can see the light and you can assume that the amount of photons hitting your solar cell is related to the amount of light hitting your solar cell.  A greater amount of light available means a greater amount of photons are hitting your solar cell and the more power you get from it.

Main technical parameters about solar cells

Cell Thickness

An optimum silicon solar cell with light trapping and very good surface passivation is about 100 µm thick. However, thickness between 200 and 500µm are typically used, partly for practical issues such as making and handling thin wafers, and partly for surface passivation reasons.

Doping of Base

A higher base doping leads to a higher Voc and lower resistance, but higher levels of doping result in damage to the crystal.

Reflection Control
(front surface typically textured)

The front surface is textured to increase the amount of light coupled into the cell.

Emitter Dopant

N-type silicon has a higher surface quality than p-type silicon so it is placed at the front of the cell where most of the light is absorbed. Thus the top of the cell is the negative terminal and the rear of the cell is the positive terminal.

Emitter Thickness

A large fraction of light is absorbed close to the front surface. By making the front layer very thin, a large fraction of the carriers generated by the incoming light are created within a diffusion length of the p-n junction.

Doping Level of Emitter

The front junction is doped to a level sufficient to conduct away the generated electricity without resistive loses. However, excessive levels of doping reduces the material's quality to the extent that carriers recombine before reaching the junction.

Grid Pattern.

The resistivity of silicon is too high to conduct away all the current generated, so a lower resistivity metal grid is placed on the surface to conduct away the current. The metal grid shades the cell from the incoming light so there is a compromise between light collection and resistance of the metal grid.

Rear Contact.

The rear contact is much less important than the front contact since it is much further away from the junction and does not need to be transparent. The design of the rear contact is becoming increasingly important as overall efficiency increases and the cells become thinner.

 

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Q:Anybody ever heard of solar roll flexible solar panel?
It could be a portable solar panel charges your digital camera, camcorder, GPS, and satellite phone. Expedition members no longer need to pack heavy batteries for their worldwide journeys.
Q:Briefly explain why solar cells are made into components
The electrical performance parameters of solar cells are: voltage, current, capacity, type, charging rate and so on. The voltage parameter of the battery refers to the operating voltage of the battery, that is, the voltage that can be supplied to the device. Current, refers to the maximum discharge current of the battery. Capacity, refers to the total discharge power of the battery, with An / hour (A / H) said.
Q:What is the working principle of a solar cell?
The solar cell works in the way that use the sunshine as the resources to generate the power for us to use.
Q:What kind of products can be considered as the solar cell products?
I think there is nobody else but me could be as qualified to answer this question because 80% of my daily life is surrounded by solar cell product including solar cell shower room, solar cell equipt kitchen, solar cell control lights in all my rooms in the house.
Q:What is the best sales solution for solar power cells?
I highly recommend you to put your solar power cells for sales on the B2B website, such as alibaba in China. Because in this way, your product can be seen by many buyers.
Q:Are there any library or exhibition halls where I can show students at school how the solar cells works?
Sometimes there are some theme shows focused on solar cell technology in the National Science and technology Museum. You can take your students over there.
Q:What are the advantages of monocrystalline silicon and polycrystalline silicon in solar power?
single The wafer hot process time can be completed in less than one minute, using the process to make a cell conversion efficiency of more than 14% on 100 square centimeters of polysilicon wafers. It is reported that the current 50 ~ 60 micron polysilicon substrate produced on the battery efficiency of more than 16%. The use of mechanical groove, screen printing technology in the 100 square centimeter polycrystalline efficiency of more than 17%,
Q:Is it possible to learn how to make solar cells by yourself?
A solar cell can be made very simply by using a sheet of copper and some other materials. So the answer is yes!
Q:What are the applications of solar cells?
User solar power: - small power supply 10 ~ 100W range, for remote areas such as the plateau, islands, pastoral areas, border posts and other military life electricity, such as lighting, television, tape recorders and so on. - 3 ~ 5KW home roof grid-connected power generation system. - PV water pump: to solve the non-electric areas of deep wells drinking, irrigation.
Q:What is the solar cells market in China?
As far as I know, it's developing very well. Not only in terms of the technology but also in terms of the sales revenues. Many solar cells factories are located there

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