A Silicon Wafer Solar Cell - High Current 18.2% Polycrystalline Silicon Solar Cell

A Silicon Wafer Solar Cell - High Current 18.2% Polycrystalline Silicon Solar Cell System 1

A Silicon Wafer Solar Cell - High Current 18.2% Polycrystalline Silicon 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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4 Bus Bars 156*156 17.6% efficiency poly solar cell

PHYSICAL CHARACTERISTICS

Dimension: 156mm x 156mm ± 0.5mm

Wafer Thickeness: 180um+20um and 200um+20um

Front(-) Four 1.2mm silver busbar

Silicon nitride blue anti-reflection coating

Back(+) aluminum back surface field
1.75mm(silver) wide segment soldering pads

High Current Solar Cell 18.2% Polycrystalline Silicon Solar Cell Price

Typical Electrical Characteristics

Efficiency	W(Pmpp)	V(Umpp)	A(Impp)	V(Uoc)	A(Isc)
17.4-17.5	4.234	0.517	8.231	0.622	8.759
17.5-17.6	4.259	0.519	8.243	0.623	8.769
17.7-17.8	4.283	0.521	8.256	0.625	8.779
17.8-17.9	4.307	0.523	8.268	0.626	8.788
17.9-18.0	4.332	0.525	8.281	0.627	8.798
18.0-18.1	4.380	0.529	8.306	0.629	8.808
18.1-18.2	4.405	0.531	8.318	0.632	8.818
18.2-18.3	4.429	0.533	8.331	0.633	8.837
18.3-18.4	4.453	0.535	8.344	0.634	8.847
18.4-18.5	4.478	0.537	8.356	0.636	8.856
18.5-18.6	4.502	0.539	8.369	0.637	8.866

Efficiency	W(Pmpp)	V(Umpp)	A(Impp)	V(Uoc)	A(Isc)
20.90-21.00	5.06	0.557	9.007	0.653	9.688
20.80-20.90	5.04	0.556	9.062	0.652	9.683
20.70-20.80	5.02	0.554	9.055	0.651	9.684
20.60-20.70	4.99	0.552	9.033	0.651	9.672
20.50-20.60	4.97	0.550	9.002	0.650	9.673
20.40-20.50	4.94	0.548	9.012	0.649	9.674
20.30-20.40	4.92	0.546	9.009	0.649	9.655
20.20-20.30	4.89	0.543	9.012	0.648	9.634
20.10-20.20	4.87	0.541	8.998	0.648	9.617
20.00-20.10	4.85	0.540	8.977	0.647	9.600

*Data under standard testing conditional (STC):1,000w/m2,AM1.5, 25°C , Pmax:Positive power tolerance.

3 Bus Bars 156*156 17.4% efficiency poly solar cell

Dimension: 156 mm x 156 mm ± 0.5 mm

Wafer Thickeness: 156 mm x 156 mm ± 0.5 mm

High Current Solar Cell 18.2% Polycrystalline Silicon Solar Cell Price

Typical Electrical Characteristics:

Efficiency code	1660	1680	1700	1720	1740	1760	1780	1800	1820	1840	1860
Efficiency (%)	16.6	16.8	17.0	17.2	17.4	17.6	17.8	18.0	18.2	18.4	18.6
Pmax (W)	4.04	4.09	4.14	4.19	4.23	4.28	4.33	4.38	4.43	4.48	4.53
Voc (V)	0.612	0.615	0.618	0.621	0.624	0.627	0.629	0.63	0.633	0.635	0.637
Isc (A)	8.42	8.46	8.51	8.56	8.61	8.65	8.69	8.73	8.77	8.81	8.84
Imp (A)	7.91	7.99	8.08	8.16	8.22	8.27	8.33	8.38	8.43	8.48	8.53

* Testing conditions: 1000 W/m2, AM 1.5, 25 °C, Tolerance: Efficiency ± 0.2% abs., Pmpp ±1.5% rel.

* Imin : at 0.5 V

Production:

Package:

FAQ:

1. Q: Do you have your own factory?

A: Yes, we have. Our factory located in Jiangsu

2. Q: How can I visit your factory?
A: Before you visit,please contact us.We will show you the route or arrange a car to pick you up.
3. Q: Do you provide free sample?
A: Commenly we provide paid sample.

4. Q: Could you print our company LOGO on the nameplate and package?

A: Yes, we accept it.And need an Authorization Letter from you.

5. Q: Do you accept custom design on size?

A: Yes, if the size is reasonable.

6. Q: How can I be your agent in my country?

A: Please leave feedback. It's better for us to talk about details by email.

7. Q: Do you have solar project engineer who can guide me to install system?

A: Yes, we have a professional engineer team. They can teach you how to install a solar system.

Q:What is the expected lifespan of a solar silicon wafer in a solar panel?: The expected lifespan of a solar silicon wafer in a solar panel can vary, but on average, they are designed to last for around 25 to 30 years.

Q:1 megawatts of solar energy need how many wafers: 1 WP silicon chip, which is 1000000WPDo not know what you want to know? Detailed point!

Q:Why silicon wafers are made in watts! There are several specifications for silicon wafers!: Including single crystal 125*125 150 single crystal 125*125 165 single crystal 156*156 diagonal diagonal 200 diagonal polycrystalline 125*125 polycrystalline 156*156 crystal silicon solar cell crystal silicon solar cell with monocrystalline silicon and polycrystalline silicon two categories, with P (or n) silicon substrate by phosphorus (or boron diffusion) to form Pn form production, production technology is mature, is the dominant photovoltaic products on the market. The buried layer electrode, surface passivation, enhanced light trapping, dense grid technology, optimization of back electrode and contact electrode technology, improve the collection efficiency of carrier materials, optimization of anti elbow membrane, concave convex surface, high reflective back electrode, the photoelectric conversion efficiency is greatly improved.

Q:How are solar silicon wafers tested for quality control?: Solar silicon wafers are tested for quality control through a series of rigorous evaluations. These tests typically include visual inspections to detect any physical defects, such as cracks or impurities. Additionally, electrical measurements are conducted to assess the wafers' performance and efficiency. This may involve assessing parameters like resistivity, carrier lifetime, and dark current. Finally, wafers are subjected to optical measurements to analyze their reflectance, transmittance, and surface texturing. These comprehensive quality control tests ensure that only high-quality and reliable solar silicon wafers are used in the production of solar cells and modules.

Q:Can solar silicon wafers be repaired if damaged?: No, solar silicon wafers cannot be repaired if damaged. Once a silicon wafer used in solar panels is damaged, it cannot be fixed or restored to its original state. It is more cost-effective to replace the damaged wafer with a new one rather than attempting repairs.

Q:How do solar silicon wafers perform in areas with high air pollution?: Solar silicon wafers are generally not affected by high air pollution in terms of their performance. The efficiency and functionality of solar silicon wafers primarily depend on the amount of sunlight they receive rather than the air quality. However, it is worth noting that the accumulation of dust and particles on the surface of the wafers can reduce their overall efficiency. Regular cleaning or maintenance might be required to ensure optimal performance in areas with high air pollution.

Q:How do solar silicon wafers perform in high wind conditions?: Solar silicon wafers can generally withstand high wind conditions without significant impact on performance. However, extreme wind speeds can cause minor vibrations or deflections in the panels, potentially affecting their efficiency. To mitigate this, solar installations are designed to withstand standard wind speeds and are often equipped with secure mounting systems.

Q:What is the role of solar silicon wafers in reducing carbon emissions?: Solar silicon wafers play a crucial role in reducing carbon emissions by serving as the key component in manufacturing solar panels. These wafers, made from highly purified silicon, absorb sunlight and convert it into clean, renewable electricity through the photovoltaic effect. By harnessing solar energy, we can reduce our reliance on fossil fuels and traditional power sources that emit greenhouse gases, thus significantly lowering carbon emissions and mitigating climate change.

Q:How are solar silicon wafers affected by thermal annealing?: Thermal annealing affects solar silicon wafers by improving their electrical properties and reducing defects. It helps to remove impurities and lattice defects, resulting in increased carrier mobility and enhanced solar cell performance. Additionally, annealing can enhance the crystalline structure of the wafers, leading to higher conversion efficiencies and improved overall quality of the solar cells.

Q:Can solar silicon wafers be recycled?: Yes, solar silicon wafers can be recycled. The recycling process involves various techniques such as shredding, chemical treatment, and melting to recover the valuable materials from the wafers. This helps to reduce waste and environmental impact associated with solar panel production.

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