5'' High Efficiency Mono Solar Cell 125*125 mm

Our Advantage

Reason:

We enjoy exclusive channel to get solar cells at more competitive price from Sunpower,Neo solar,Motech,Gintechetc. 

We signed long term purchase contract with Taiwan tier 1 solar cell manufacturers,including but not limited to Neo solar,Motech,Gintech,AUO,then we can purchase unsorted solar cells in bulk from them and sort these unsorted solar cells into same efficiency,same pattern,same color by our own QA team. We call them Grade A-.

Quality :

These sorted solar cells have same electrical performance with Taiwan Grade A solar cells,only difference is the negligible superficial defect.

We can guarantee that they are better than grade A solar cells from tier 1 solar cell manufacturers in China mainland.

Description

1.Mechanical Specification:

Product  Mono-crystalline silicon solar cell 
Dimension 125 mm x 125 mm ± 0.5 mm 
Thickness 200 μm ± 30 μm 
Front 1.4mm bus bar(silver),blue anti-reflecting coating(silicon nitride) 

Back 2.0 mm wide soldering pads(silver) Back surface field (aluminum)

2.Electrical Properties

Packaging & Shipping

1. Payment term: T/T in advance (W/U for sample order)

2. Lead time: It depends on your quantity. Usually we will send sample within 1-3 working days.
3. Shipping will be made via EMS, DHL, TNT, UPS, Air, Sea etc. shipment

4. Others: If you have special specifications and requirements, we will do different offer as you required.

Our Services

Pre sale:

1.Our sales representative and engineer work together to answer your questions and offer solution for free

2.We choose the best product for you to make sure it worth its real value

3.We design the best solution with good perfomance for you,manwhile save every cent of your money.

After sale:

We can change broken solar cell for you or compensate for your lost.

Solar cells are electronic semiconductor components, by means of which sunlight can be converted into electric energy. The semiconductor body can consist, for instance, of silicon or a III-V compound such as gallium arsenide and is provided on its front side facing the radiation source with a p-n junction of large area by means of diffusion.

 A method for manufacturing solar cells comprising growing semiconductor whiskers on a substrate, comprising:

(a) Providing a substrate which favors growth or germination of whiskers;

(b) Depositing a plurality of localized areas of an agent in which the semiconductor material is soluble;

(c) Growing whiskers of said semiconductor material by means of the Vapor Liquid Solid (VLS) method at said areas;

(d) Doping the whiskers with one of a p or n doping material; and

(e) Subsequently thereto doping the surface region of said whiskers up to a depth which approximately corresponds to the diffusion length of the charge carriers pairs with the other of a P or n doping material.

Estimating the manufacturing cost of purely organic solar cells

we estimate the manufacturing cost of purely organic solar cells. We find a very large range since the technology is still very young. We estimate that the manufacturing cost for purely organic solar cells will range between $50 and $140/m². Under the assumption of 5% efficiency, this leads to a module cost of between $1.00 and $2.83/W_p. Under the assumption of a 5-year lifetime, this leads to a levelized cost of electricity (LEC) of between 49¢ and 85¢/kWh. In order to achieve a more competitive COE of about 7¢/kWh, we would need to increase efficiency to 15% and lifetime to between 15–20 years.

Manufacturing Solar Cells

First, silicon raw material is melted and re-cast to remove impurities. The cast silicon is then stabilized in its multicrystalline form. These castings, called "ingots," are then cut into blocks. Next, the ingots are sliced into wafers.( Depending on the type of silicon used, p-type or n-type silicon wafers may be produced). After layering the p-type or n-type wafers, the material is capable of generating electricity from sunlight. Electrodes are attached to the wafers to conduct the flow of electricity. This is called a photovoltaic cell, or "solar cell."