Silicon Wafer Solar Panel - High Quality A Grade Mono晶Silicon 5V 18.2% Solar Cell

Silicon Wafer Solar Panel - High Quality A Grade Mono晶Silicon 5V 18.2% Solar Cell System 1

Silicon Wafer Solar Panel - High Quality A Grade Mono晶Silicon 5V 18.2% 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 Monorystalline 5v 18.2%

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 Monorystalline 5v 18.2%

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:What is the role of solar silicon wafers in reducing the digital divide?: Solar silicon wafers play a crucial role in reducing the digital divide by facilitating the production of affordable and sustainable solar panels. These panels can be used to generate electricity in remote and underserved areas where access to the power grid is limited. By harnessing solar energy, these communities can power devices such as computers, smartphones, and other digital technologies, thus bridging the gap in access to information and communication. Solar silicon wafers enable the production of cost-effective solar panels, expanding the reach of clean and renewable energy solutions, and contributing to narrowing the digital divide.

Q:What is the role of surface passivation layers on solar silicon wafers?: The role of surface passivation layers on solar silicon wafers is to minimize the recombination of charge carriers, such as electrons and holes, at the surface of the wafer. These layers help improve the efficiency and performance of solar cells by reducing surface recombination losses, increasing the lifetime of charge carriers, and enhancing the overall electrical properties of the device.

Q:What is the harm of silicon chip into the fingers?: It is best to take out as soon as possible, otherwise easy to infection,

Q:What are the different wafer orientations used in solar silicon wafer production?: There are three main wafer orientations used in solar silicon wafer production: <100>, <111>, and <110>. The <100> orientation is the most commonly used, as it provides a balance between cost, efficiency, and ease of production. The <111> orientation is known for its high efficiency, but it is less commonly used due to its higher cost and more complex manufacturing process. The <110> orientation is used in specific applications where superior mechanical strength is required. Overall, the choice of wafer orientation depends on the desired balance between cost, efficiency, and specific application requirements.

Q:The raw material of the solar cell is the silicon chip, some manufacturers specialize in the production of monocrystalline silicon, polycrystalline silicon chip, the production of monocrystalline silicon, polycrystalline silicon chip, what is the use of raw materials? Also ask how much raw material costs in recent years? Thank you！！: Polysilicon material:1 solar polysilicon: 6N, P2 head tails: P3 broken semiconductor wafer: P type, arc type debrisPrice: $200 / kg

Q:What is the impact of stress and strain on solar silicon wafers?: The impact of stress and strain on solar silicon wafers can be detrimental to their performance and overall efficiency. Excessive stress and strain can lead to the formation of defects and cracks in the wafers, which can impair their electrical conductivity and structural integrity. These defects can reduce the conversion efficiency of solar cells and increase the likelihood of failure over time. Therefore, it is crucial to carefully manage stress and strain during the manufacturing and handling processes to ensure the optimal performance and longevity of solar silicon wafers.

Q:How do solar silicon wafers perform in polluted urban areas?: Solar silicon wafers perform well in polluted urban areas, although their efficiency might be slightly reduced due to the presence of air pollutants. However, advancements in solar technology have made these wafers more resilient to dust and dirt accumulation, ensuring that their performance is not significantly affected. Regular maintenance and cleaning can further optimize their efficiency in such environments.

Q:Silicon wafer cleaning after the two sides of the upper and lower grille also has a basket of flowers (Bai Yin): The occurrence of a single crystal is more obvious, other companies have, this would like to find a solution to find a more proficient in the industry to clean up engineers

Q:What are the different doping techniques used in solar silicon wafers?: There are several doping techniques used in solar silicon wafers, including diffusion, ion implantation, and screen-printing. Diffusion involves introducing dopant atoms, such as phosphorus or boron, into the silicon wafer by heating it in the presence of a dopant source. Ion implantation involves bombarding the wafer with dopant ions, which then become embedded in the silicon lattice. Screen-printing involves applying a dopant paste onto the surface of the wafer and then firing it to create a doped layer. These techniques are used to create the necessary p-n junctions and optimize the electrical properties of the solar cells.

Q:How is a front contact applied to a solar silicon wafer?: A front contact is typically applied to a solar silicon wafer through a process known as screen printing. In this process, a conductive paste containing metal particles is applied to the front surface of the wafer using a fine mesh screen. The paste is then dried and fired at high temperatures, causing the metal particles to fuse together and form a continuous conductive layer. This front contact acts as an electrode, allowing the collection and extraction of the generated electrical current from the solar cell.

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