Solar Silicon Wafer Cassette Supplier - High Current 18.0% Polycrystalline Silicon Solar Cell

Solar Silicon Wafer Cassette Supplier - High Current 18.0% Polycrystalline Silicon Solar Cell System 1

Solar Silicon Wafer Cassette Supplier - High Current 18.0% 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 18.0% 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 18.0% 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:How are solar silicon wafers affected by temperature-induced stress?: Solar silicon wafers are affected by temperature-induced stress in several ways. Firstly, as the temperature increases, the silicon wafer expands, leading to thermal expansion stress. This stress can cause cracking or warping of the wafer, affecting its structural integrity. Secondly, temperature fluctuations can also result in differential expansion between the silicon and other materials in the solar cell, leading to stress at the interfaces. This can cause delamination or detachment of the layers, impairing the performance of the solar cell. Finally, extreme temperature variations can induce thermal fatigue, gradually weakening the wafer over time and reducing its overall lifespan. Therefore, careful consideration and mitigation of temperature-induced stress are crucial in ensuring the reliability and efficiency of solar silicon wafers.

Q:What is the maximum voltage a solar silicon wafer can handle?: The maximum voltage that a solar silicon wafer can handle depends on various factors such as the wafer's thickness, quality, and design. However, in general, solar silicon wafers can typically handle voltages up to around 600-1000 volts.

Q:What is the role of solar silicon wafers in space exploration?: Solar silicon wafers play a crucial role in space exploration as they are used to manufacture solar panels that generate electricity from sunlight in space. These panels provide power to spacecraft and satellites, enabling them to function and carry out essential tasks like communication, data collection, and navigation in the harsh space environment. Solar silicon wafers are highly efficient in converting sunlight into electrical energy, making them an integral component in powering various space missions.

Q:How are solar silicon wafers protected from transportation damage?: Solar silicon wafers are typically protected from transportation damage through various measures, such as packaging them in special containers or boxes that provide cushioning and shock absorption. These containers often include foam inserts or other materials that prevent the wafers from moving or vibrating during transit, minimizing the risk of breakage or cracking. Additionally, some manufacturers may use specialized handling procedures and equipment to ensure safe transportation of the wafers, reducing the potential for damage during loading, unloading, or movement.

Q:How are solar silicon wafers protected from water damage?: Solar silicon wafers are protected from water damage through a combination of encapsulation and sealing techniques. The wafers are typically coated with a thin layer of protective material, such as glass or a polymer, which acts as a barrier against water penetration. Additionally, the edges of the wafers are sealed to prevent any water ingress. These protective measures ensure that the wafers remain resistant to water damage, allowing them to function effectively in outdoor environments.

Q:The best process can be attached to explain!: I want to be the temperature to more than 1 thousand degrees, and then clean the furnace

Q:What is the purpose of a microinverter in a solar silicon wafer?: The purpose of a microinverter in a solar silicon wafer is to convert the DC (direct current) power generated by the solar panel into AC (alternating current) power, which is the type of electricity used in households and the power grid. The microinverter also allows for individual optimization and monitoring of each solar panel, increasing overall system efficiency and performance.

Q:How does the efficiency of a solar silicon wafer change over time?: The efficiency of a solar silicon wafer tends to decrease over time due to various factors such as degradation, wear and tear, and exposure to environmental conditions. These factors can lead to the accumulation of dirt, dust, and microcracks on the surface of the wafer, which hampers its ability to convert sunlight into electricity efficiently. Additionally, prolonged exposure to sunlight and heat can cause the wafer to degrade, resulting in a gradual reduction in its overall efficiency. Regular maintenance and cleaning can help mitigate these effects and prolong the lifespan of the solar silicon wafer.

Q:How do solar silicon wafers perform in coastal salty air environments?: Solar silicon wafers generally perform well in coastal salty air environments due to their resistance to corrosion. The silicon wafers used in solar panels are typically coated with protective materials such as anti-reflective coatings and encapsulation films, which provide an additional layer of defense against the corrosive effects of salt in the air. However, it is important to regularly clean the panels to remove any salt deposits and ensure optimal performance.

Q:What factors affect the conversion efficiency of a solar silicon wafer?: Several factors affect the conversion efficiency of a solar silicon wafer. These include the purity of the silicon material, the presence of impurities and defects, the thickness and quality of the anti-reflection coating, the design and efficiency of the solar cell structure, temperature variations, and the quality of electrical contacts.

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