High Quality A Grade Monocrystalline Solar Grade Silicon Wafer Polycrystalline 5v 17.2% Solar Cell

High Quality A Grade Monocrystalline Solar Grade Silicon Wafer Polycrystalline 5v 17.2% Solar Cell System 1

High Quality A Grade Monocrystalline Solar Grade Silicon Wafer Polycrystalline 5v 17.2% 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 17.2%

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 17.2%

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: How do solar silicon wafers perform in extreme weather conditions?: Solar silicon wafers are designed to withstand extreme weather conditions effectively. They are typically made from durable materials that can handle temperature variations, such as high heat or freezing cold. Additionally, they are designed to be resistant to moisture, wind, and hail, ensuring their performance remains stable even during storms or extreme weather events. However, it is important to note that extreme weather conditions can still have some impact on the overall efficiency of solar panels, reducing their energy production temporarily.

Q: Wafer cutting will appear thick sheet, I would like to ask what the reasons are: Solving measures:A. guide slot check slot is uniform, and to compensate for the loss according to the situation of the slot wheel.When the A. is set to zero, the position of the guide line is controlled.B. standard viscose operation. When the surface of the silicon block is bonded with the guide bar, the utility model can be used to check whether the guide strip is bent, and whether the glue is evenly applied, so that there is no gap between the guide strip and the silicon block after the bonding guide strip is arranged.In the process of using the C. guide wheel, the utility model is used to detect the guide groove of the guide wheel on a regular basis, and the depth and the angle of the guide groove are observed.

Q: Are solar silicon wafers affected by temperature changes?: Yes, solar silicon wafers are affected by temperature changes. Temperature fluctuations can impact the efficiency and performance of solar silicon wafers, as higher temperatures can lead to a decrease in their power output. On the other hand, extreme cold temperatures can also affect their performance, although to a lesser extent. Therefore, it is important to consider temperature management and cooling techniques to optimize the performance of solar silicon wafers.

Q: How are solar silicon wafers protected from vandalism or intentional damage?: Solar silicon wafers are typically protected from vandalism or intentional damage through various means. One common method is the use of tempered glass covers that are highly resistant to breakage and can withstand impacts. Additionally, anti-reflective coatings are often applied to these covers, making them less attractive for vandalism or graffiti. In certain cases, security measures such as fencing, surveillance cameras, or even deploying solar panels at elevated heights can be employed to deter any potential acts of vandalism.

Q: How do solar silicon wafers handle extreme weather conditions like hailstorms?: Solar silicon wafers are designed to withstand extreme weather conditions, including hailstorms. These wafers are made of durable materials, such as crystalline silicon, which provide them with the necessary resistance against impacts from hailstones. Additionally, solar panels are often tested and certified to meet international standards that ensure their resilience to various weather phenomena, including hailstorms.

Q: What is the expected degradation rate of solar silicon wafers over time?: The expected degradation rate of solar silicon wafers over time varies depending on various factors such as the quality of the silicon material, manufacturing process, environmental conditions, and maintenance practices. However, on average, silicon solar wafers experience a degradation rate of around 0.5-1% per year. This means that after 25 to 30 years, solar panels may have lost around 20-30% of their original efficiency. It's important to note that advancements in technology and improved manufacturing processes are continuously reducing degradation rates, ultimately increasing the lifespan and efficiency of solar panels.

Q: Pure curiosity why silicon wafer is round: Why does the silicon grown in the melt not directly cut into square, it is not easy to put it......Rub... In order to reduce costs ah.

Q: Are there any alternatives to using solar silicon wafers in solar cells?: Yes, there are alternatives to using solar silicon wafers in solar cells. Some of these alternatives include thin-film solar cells made from materials such as cadmium telluride (CdTe), copper indium gallium selenide (CIGS), and organic photovoltaics (OPV). These alternative materials offer advantages such as flexibility, lightweight, and potentially lower manufacturing costs. However, their efficiency and stability still need further development to compete with traditional silicon wafers.

Q: What is the impact of impurities on the efficiency of solar silicon wafers?: Impurities in solar silicon wafers can significantly affect their efficiency. These impurities can alter the electrical properties of the material, leading to reduced conversion of sunlight into electricity. For instance, impurities like boron or phosphorus can introduce additional charge carriers, increasing the recombination rate and decreasing the overall efficiency. Moreover, impurities can also create energy barriers within the material, hindering the movement of charge carriers and limiting the wafers' performance. Therefore, it is crucial to ensure high purity levels in silicon wafers to maximize their efficiency in converting solar energy.

Q: How do solar silicon wafers handle shading or partial obstructions?: Solar silicon wafers are highly sensitive to shading or partial obstructions. Even a small amount of shading on a solar panel can significantly decrease its power output. When a portion of the panel is shaded, it creates an imbalance in the flow of current, resulting in a drop in overall energy production. This is because solar cells are connected in series, and shading one cell affects the performance of the entire module. To mitigate this, solar panels are designed with bypass diodes that help bypass the shaded area, allowing the unshaded cells to continue producing power. However, it is still important to install solar panels in a location where shading is minimized to ensure optimal energy generation.

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