Solar Silicon Wafer Cassette Compatible High Current 17.2% Polycrystalline Silicon Solar Cell

Solar Silicon Wafer Cassette Compatible High Current 17.2% Polycrystalline Silicon Solar Cell System 1

Solar Silicon Wafer Cassette Compatible High Current 17.2% 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 17.2% 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 17.2% 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:Are there any advancements in solar silicon wafer manufacturing techniques?: Yes, there have been significant advancements in solar silicon wafer manufacturing techniques. These advancements include the development of more efficient and cost-effective manufacturing processes such as the use of diamond wire sawing and kerfless wafering technologies. Additionally, there have been improvements in the quality and purity of silicon wafers, leading to higher solar cell efficiencies.

Q:Can solar silicon wafers be used in solar-powered recreational vehicles?: Yes, solar silicon wafers can be used in solar-powered recreational vehicles. These wafers are commonly used in the manufacturing of solar panels, which can be installed on the roofs of RVs to harness solar energy and power various onboard systems.

Q:How is the efficiency of a solar silicon wafer measured?: The efficiency of a solar silicon wafer is typically measured by calculating the percentage of sunlight that is converted into usable electricity. This is done by comparing the total power output of the solar cell to the amount of sunlight it receives. The higher the percentage, the more efficient the silicon wafer is at converting sunlight into electricity.

Q:Can solar silicon wafers be used in disaster relief efforts?: Yes, solar silicon wafers can be used in disaster relief efforts. They can provide a reliable source of renewable energy in areas where the conventional power grid may be damaged or non-existent after a disaster. Solar panels, made with silicon wafers, can generate electricity to power emergency communication systems, medical equipment, lighting, and other essential devices, aiding relief operations and improving living conditions for affected communities.

Q:Can solar silicon wafers be used in military or defense applications?: Yes, solar silicon wafers can be used in military or defense applications. They can be integrated into various military equipment and systems to power sensors, communication devices, and other electronic components. Solar power offers a reliable and sustainable energy source in remote or austere environments, reducing the need for traditional fuel supply lines. Additionally, solar-powered systems can enhance operational capabilities by providing uninterrupted power supply and reducing the risk of detection due to reduced heat and noise emissions.

Q:What is the typical thickness tolerance for a solar silicon wafer?: The typical thickness tolerance for a solar silicon wafer is around ± 20 micrometers.

Q:How are solar silicon wafers cleaned during the manufacturing process?: Solar silicon wafers are typically cleaned during the manufacturing process using a combination of chemical and mechanical techniques. The first step involves removing any organic contaminants or particles from the surface of the wafers through a cleaning solution, usually a mixture of deionized water and a cleaning agent. This solution is applied to the wafers using either a batch or inline cleaning system. After the initial cleaning, the wafers undergo a series of rinses to ensure all traces of the cleaning solution are removed. Deionized water is commonly used for rinsing purposes. To further enhance the cleaning process, some manufacturers employ ultrasonic agitation or megasonic cleaning, utilizing sound waves or high-frequency sound waves to dislodge and remove stubborn particles. Once the wafers are thoroughly cleaned, they are typically dried using a combination of air-drying and heat treatment techniques. The drying process ensures that no residual moisture or contaminants remain on the surface of the wafers before they proceed to subsequent manufacturing steps, such as doping or deposition of thin films. Overall, the cleaning of solar silicon wafers is a critical step in the manufacturing process as it helps to ensure the quality and efficiency of the final solar cells.

Q:How is the weight of a solar silicon wafer reduced?: The weight of a solar silicon wafer is reduced by using thinner wafer designs and advanced manufacturing techniques that remove excess material without compromising the wafer's structural integrity or performance.

Q:Are there any advancements in solar silicon wafer recycling technologies?: Yes, there have been significant advancements in solar silicon wafer recycling technologies. Researchers and industry experts have developed various innovative methods to recycle and reuse silicon wafers from solar panels. These advancements include improved separation techniques, chemical processes, and purification methods, which allow for the extraction and recovery of high-quality silicon materials from discarded or damaged solar panels. These developments not only contribute to reducing electronic waste but also help in conserving resources and reducing the environmental impact of solar panel production.

Q:What is the expected efficiency improvement for multi-junction perovskite-silicon solar silicon wafers?: The expected efficiency improvement for multi-junction perovskite-silicon solar silicon wafers is significant. These wafers have the potential to achieve much higher efficiencies compared to traditional silicon solar cells. With the combination of perovskite and silicon materials, the multi-junction design allows for better absorption of a wider range of wavelengths, leading to increased energy conversion. Although the exact improvement may vary depending on the specific design and manufacturing processes, it is anticipated that multi-junction perovskite-silicon solar silicon wafers could potentially achieve efficiencies beyond 30% or even higher.

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