Silicon Wafer Based High Current 17.4% Polycrystalline Silicon Solar Cells

Silicon Wafer Based High Current 17.4% Polycrystalline Silicon Solar Cells System 1

Silicon Wafer Based High Current 17.4% Polycrystalline Silicon Solar Cells

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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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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 17.4% 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 17.4% 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 does the efficiency of a solar silicon wafer change with altitude?: The efficiency of a solar silicon wafer does not change significantly with altitude. Altitude primarily affects the intensity of sunlight, but it has a minimal impact on the efficiency of a solar silicon wafer. The main factors influencing efficiency are temperature, tilt, and shading, rather than altitude.

Q: How are solar silicon wafers protected from environmental factors?: Solar silicon wafers are protected from environmental factors through various measures. One common method is the use of anti-reflective coatings, which not only reduce reflection but also protect the surface of the wafer from dust, moisture, and other contaminants. Additionally, a passivation layer is applied to the surface to prevent oxidation and enhance the electrical properties of the wafer. The wafer is typically encapsulated within a durable and weather-resistant material, such as tempered glass or a polymer, which shields it from physical damage and provides insulation against temperature variations and moisture. This encapsulation is further reinforced by a frame or module structure to ensure long-term protection against environmental factors.

Q: Ultrasonic cleaning cleaning silicon?: 1, silicon wafer wafer ultrasonic cleaning function.2, cleaning the wafer production process, pollutants using ultrasonic cleaning machine effectively remove organic matter, wafer surface particles and metal impurities, natural oxide layer and quartz, plastic containers and accessories, the wafer surface damage characteristics. According to different cleaning process, the corresponding cleaning unit is equipped with independent control.

Q: Ask a question about integrated circuit manufacturing: how to realize the functions of capacitors, resistors and transistors on a single chip? In the end how to: You connect the line in two holes on the silicon conductive layer in the middle, this is not a resistance capacitance resistance that integrated circuit in the senior middle school physics is not the kind of silicon wafer by resistance capacitance has made but I hope you can understand the function of course this is just the front-end integrated circuit

Q: Why should the wafer cut side, cut out edge Jiaosha: In a word, the standard combination of the main alignment and the alignment of the wafer will tell the user what type of conductivity it is and what it isWant to help you, hope to adopt

Q: Can solar silicon wafers be integrated into building materials?: Yes, solar silicon wafers can be integrated into building materials. This integration allows for the incorporation of solar panels directly into rooftops, windows, and facades, enabling buildings to generate clean and renewable energy.

Q: What is the typical return on investment for a solar silicon wafer installation?: The typical return on investment for a solar silicon wafer installation can vary depending on various factors such as the size of the installation, location, local solar incentives, and energy consumption patterns. However, on average, it is estimated that solar silicon wafer installations can provide a return on investment within 6 to 10 years.

Q: Can solar silicon wafers be used in urban environments for power generation?: Yes, solar silicon wafers can definitely be used in urban environments for power generation. The compact size and versatility of solar panels allow them to be easily installed on rooftops, buildings, or even integrated into urban infrastructure such as streetlights or bus stops. This enables urban areas to harness solar energy and generate clean and renewable power in a sustainable manner.

Q: What is the role of texturing in solar silicon wafers?: The role of texturing in solar silicon wafers is to enhance light absorption efficiency by creating a rough surface that reduces reflection and allows for better capture of sunlight.

Q: How is a degradation rate measured in a solar silicon wafer?: The degradation rate in a solar silicon wafer is typically measured by monitoring the decrease in the efficiency or power output of the solar cell over a specific period of time. This can be done by regularly measuring the current-voltage characteristics or the maximum power point of the solar cell and comparing it to the initial performance. The degradation rate is then calculated by dividing the decrease in efficiency or power output by the duration of monitoring.

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