Solar Silicon Wafer Cassette Supplier - High Quality A Grade Polycrystalline 5V 16.4% Solar Cell

Solar Silicon Wafer Cassette Supplier - High Quality A Grade Polycrystalline 5V 16.4% Solar Cell System 1

Solar Silicon Wafer Cassette Supplier - High Quality A Grade Polycrystalline 5V 16.4% Solar Cell

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 1000 pc

Supply Capability:: 100000 pc/month

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Specifications

hot sale solar cell
1.16.8%~18.25% high efficiency
2.100% checked quality
3.ISO9001/ISO14001/TUV/CE/UL
4.stable performance

We can offer you the best quality products and services, don't miss !

POLY6'(156*156)

Polycrystalline Silicon Solar cell

Physical Characteristics

Dimension: 156mm×156mm±0.5mm

Diagonal: 220mm±0.5mm

Thickness(Si): 200±20 μm

Front(-) Back(+)

Blue anti-reflecting coating (silicon nitride); Aluminum back surface field;

1.5mm wide bus bars; 2.0mm wide soldering pads;

Distance between bus bars: 51mm . Distance between bus bars :51mm .

Electrical Characteristics

Efficiency(%)	18.00	17.80	17.60	17.40	17.20	16.80	16.60	16.40	16.20	16.00	15.80	15.60
Pmpp(W)	4.33	4.29	4.24	4.19	4.14	4.09	4.04	3.99	3.94	3.90	3.86	3.82
Umpp(V)	0.530	0.527	0.524	0.521	0.518	0.516	0.514	0.511	0.509	0.506	0.503	0.501
Impp(A)	8.159	8.126	8.081	8.035	7.990	7.938	7.876	7.813	7.754	7.698	7.642	7.586
Uoc(V)	0.633	0.631	0.628	0.625	0.623	0.620	0.618	0.617	0.615	0.613	0.611	0.609
Isc(A)	8.709	8.677	8.629	8.578	8.531	8.478	8.419	8.356	8.289	8.220	8.151	8.083

Solar Cell High Quality A Grade Cell Polyrystalline 5v 16.4%

MONO5'(125*125mm)165

Monocrystalline silicon solar cell

Physical Characteristics

Dimension: 125mm×125mm±0.5mm

Diagonal: 165mm±0.5mm

Thickness(Si): 200±20 μm

Front(-) Back(+)

Blue anti-reflecting coating(silicon nitride); Aluminum back surface field;

1.6mmwide bus bars; 2.5mm wide soldering pads;

Distance between bus bars: 61mm . Distance between bus bars :61mm .

Electrical Characteristics

Efficiency(%)	19.40	19.20	19.00	18.80	18.60	18.40	18.20	18.00	17.80	17.60	17.40	17.20
Pmpp(W)	2.97	2.94	2.91	2.88	2.85	2.82	2.79	2.76	2.73	2.70	2.67	2.62
Umpp(V)	0.537	0.535	0.533	0.531	0.527	0.524	0.521	0.518	0.516	0.515	0.513	0.509
Impp(A)	5.531	5.495	5.460	5.424	5.408	5.382	5.355	5.328	5.291	5.243	5.195	4.147
Uoc(V)	0.637	0.637	0.636	0.635	0.633	0.630	0.629	0.629	0.628	0.626	0.626	0.625
Isc(A)	5.888	5.876	5.862	5.848	5.839	5.826	5.809	5.791	5.779	5.756	5.293	5.144

Solar Cell High Quality A Grade Cell Polyrystalline 5v 16.4%

FAQ:

Q:How can i get some sample?

A:Yes , if you want order ,sample is not a problem.

Q:How about your solar panel efficency?

A: Our product efficency around 17.25%~18.25%.

Q:What’s the certificate you have got?

A: we have overall product certificate of ISO9001/ISO14001/CE/TUV/UL

Q:Can solar silicon wafers be integrated into building materials?: Yes, solar silicon wafers can be integrated into building materials. They can be incorporated into various building elements such as roofing tiles, windows, and facades, allowing for the generation of renewable energy while also serving as functional components of the building.

Q:What is the role of metal contacts on solar silicon wafers?: The role of metal contacts on solar silicon wafers is to provide electrical connections between the solar cells and external electrical circuitry. These contacts typically act as terminals for the flow of current, allowing the generated electricity to be collected and utilized.

Q:Are there any environmental concerns associated with solar silicon wafers?: Yes, there are some environmental concerns associated with solar silicon wafers. The production process of silicon wafers involves high energy consumption, which can contribute to carbon emissions if the energy comes from non-renewable sources. Additionally, the mining of raw materials like quartz and high-purity silicon can have negative impacts on ecosystems and local communities. However, it's important to note that compared to other energy sources, solar silicon wafers have significantly lower environmental impacts throughout their lifecycle, including reduced greenhouse gas emissions and water usage.

Q:After wafer cleaning, how to change the film?: 2, surface metal cleaning(1) HPM (SC22) cleaning (2) DHF cleaningMetal contamination of silicon surface has two kinds of adsorption and desorption mechanism: (1) compared with the negatively charged silicon high metal such as Cu, Ag, Au, from the silicon surface to capture electron on the surface of the silicon direct formation of chemical bonds. Has a high redox potential of the solution to obtain electrons from these metals, resulting in metal the ionized form dissolved in the solution, so that this type of metal removed from the silicon surface. (2) compared with the negatively charged silicon low metal, such as Fe, Ni, Cr, Al, Ca, Na, K can be easily ionized in solution and deposited on the silicon wafer surface natural oxide film or a chemical oxide film on these metals in dilute HF solution with a natural oxide film or a chemical oxide film is easily removed.3, organic cleaningThe removal of organic silicon surface cleaning fluid used is SPM.SPM with high oxidative capacity, metal oxide can be dissolved in solution, and the oxidation of organic compounds to produce CO2 and.SPM cleaning water can remove the surface of silicon wafer heavy organic contamination and some metal, but when organic contamination is heavy will make carbonization of organic matter and difficult to remove by SPM. After cleaning, the silicon surface residual sulfide, the sulfide particles is difficult to use to water wash out.

Q:Can solar silicon wafers be customized for specific applications?: Yes, solar silicon wafers can indeed be customized for specific applications. The customization process involves altering the thickness, shape, and size of the wafers to meet the specific requirements of different solar applications. By tailoring the characteristics of the silicon wafers, such as the dopant concentration and crystal orientation, they can be optimized for various solar cell technologies, such as monocrystalline, polycrystalline, or thin-film solar cells. This customization enables the production of solar panels that are efficient and suitable for specific applications, ranging from residential rooftops to large-scale solar power plants.

Q:Who is the best silicon chip dryer?: Heating oil bath furnace and electric heating two ways, our company is now used in the two, it should be said that each has its advantages and disadvantages

Q:How is the power output of a solar silicon wafer measured?: The power output of a solar silicon wafer is typically measured by subjecting it to a controlled light source and measuring the electrical current produced by the wafer. This can be done using specialized equipment called solar simulators, which provide a calibrated light intensity similar to sunlight. The current generated by the wafer is then measured using a current-voltage (IV) curve tracer or a digital multimeter. Additionally, voltage and resistance measurements may also be recorded to calculate the power output of the solar silicon wafer using the formula P = IV, where P is power, I is current, and V is voltage.

Q:How is the surface of a solar silicon wafer treated?: The surface of a solar silicon wafer is typically treated through a combination of cleaning and texturing processes. First, any impurities or contaminants are removed using chemical cleaning methods. Then, the surface is textured to increase its light absorption capacity. This can be achieved by etching the surface with acid or by using laser technology to create tiny pyramids or bumps. These texturing techniques help trap more sunlight and enhance the efficiency of the solar cell.

Q:How does the efficiency of a solar silicon wafer change with wind speed?: The efficiency of a solar silicon wafer does not significantly change with wind speed.

Q:What is the role of oxide layers on solar silicon wafers?: The role of oxide layers on solar silicon wafers is to passivate the surface and protect the underlying silicon material from impurities and defects. These oxide layers act as a barrier, preventing recombination of charge carriers and improving the efficiency of the solar cell by reducing surface recombination. Additionally, oxide layers can also provide an anti-reflective coating, helping to increase the amount of light absorbed by the solar cell.

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