Silicon Wafer Solar Cell - High Quality A Grade Mono Crystalline 5V 18.8%

Silicon Wafer Solar Cell - High Quality A Grade Mono Crystalline 5V 18.8% System 1

Silicon Wafer Solar Cell - High Quality A Grade Mono Crystalline 5V 18.8%

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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 18.8%

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 18.8%

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 impact of wafer surface quality on solar silicon wafer performance?: The impact of wafer surface quality on solar silicon wafer performance is significant. A high-quality wafer surface ensures better light absorption and reduces energy loss due to reflections. It also helps in improving the efficiency of solar cells by minimizing recombination and enhancing charge carrier collection. Additionally, a smooth and defect-free surface enables better adhesion and electrical contact during the manufacturing process, leading to more reliable and durable solar panels.

Q:What is a solar silicon wafer?: A solar silicon wafer is a thin slice of crystalline silicon used as a substrate in the production of solar cells. It serves as the foundation for the deposition of various layers that make up the solar cell, allowing it to convert sunlight into electricity.

Q:What are the challenges in recycling solar silicon wafers?: One of the main challenges in recycling solar silicon wafers is the complex and costly process involved in recovering the valuable materials from the wafers. The wafers are typically made of high-purity silicon, which requires specialized techniques to separate and purify. Additionally, the wafers are often coated with various layers of metals and other materials, making the recycling process more complicated. Furthermore, the collection and sorting of used wafers from various sources can be challenging, as they are typically small and lightweight. Overall, the challenges in recycling solar silicon wafers lie in the intricate recovery process, the complexity of the materials used, and the logistics of collection and sorting.

Q:How long does it take to produce a solar silicon wafer?: The production of a solar silicon wafer typically takes around 2-3 weeks from start to finish.

Q:What is the role of a passivation layer in a solar silicon wafer?: The role of a passivation layer in a solar silicon wafer is to reduce surface recombination and improve the efficiency of the solar cell. It acts as a protective coating that prevents unwanted chemical reactions, minimizes surface defects, and enhances the electrical properties of the silicon wafer. This passivation layer helps to increase the overall performance and lifespan of the solar cell.

Q:How to calculate the conversion efficiency of monocrystalline silicon: Proportion of dark current - Irev>6 cell ratioThe proportion of low efficiency tablets - the proportion of P156Eff<14.5% batteries8 inch single crystal conversion rate of about 18.5%; a single conversion rate of about 9 inches in about 18.6%; quasi single crystal (large particles) probably about 18%; the new diamond wire cutting rate can be converted to about 18.92%.

Q:What is the global production capacity of solar silicon wafers?: The global production capacity of solar silicon wafers is estimated to be around 120 GW (gigawatts) per year.

Q:How is a fill factor measured in a solar silicon wafer?: A fill factor in a solar silicon wafer is typically measured by calculating the ratio of the maximum power output of the solar cell to the product of the open-circuit voltage and the short-circuit current.

Q:What is the purpose of a tracker in a solar silicon wafer?: The purpose of a tracker in a solar silicon wafer is to optimize the amount of sunlight that the wafer receives by continuously adjusting its position and orientation to match the movement of the sun throughout the day. This increases the overall efficiency and energy production of the solar panel.

Q:What is the expected degradation rate of a solar silicon wafer over time?: The expected degradation rate of a solar silicon wafer over time can vary depending on various factors such as the quality of the wafer, the manufacturing process, and the environmental conditions it is exposed to. However, on average, a well-maintained silicon wafer can experience a degradation rate of around 0.5% to 1% per year.

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