Custom Made Polycrystalline Solar Cells

156*156mm Poly Solar Cells with High Efficiency and Stable Performance in Conversion

1> Quick Detail:

• Place of Origin: China
• Brand Name: ZOCEN
• Model: ZC TPB-156*156
• Certificate: CE,CQC, IEC, TUV, CEC, MCS, CHUBB, ISO9001

2> What is a Solar Cell

A solar cell is a fabricated device that converts the sun’s light into electricity.

If we want to get right into it, a solar cell takes the energy from the sun’s light rays, by using the colliding light at the photon level to split apart the electron-hole pairs. When the photon hits the pair, they break, and one part goes north one part south. The stronger the sun, the quicker and more this happens. This process is called the photoelectric effect. The following diagram explains.

3> Zocen 6" Polycrystalline Solar Cell

• Basic Information

1. Materials: Poly silicon
2. Format Dimension: 156 x 156mm (±0.5mm)
3. Diagonal: R200mm
4. Thickness wafer (Si): 200±20μm
5. Thickness cell: 200±40μm
6. Weight: 12g
7. High efficiency: 16.2%-17.2%, stable performance conversion
8. Front(-): Blue silicon nitride anti-reflection coating 2.0mm silver busbars
9. Back(+): Full-surface aluminum back-surface field 3.0mm(silver/ aluminum) continuous soldering pads Efficiency range: 16.2%-17.2%
10. Maximum power range: 3.96 to 4.21W
11. Grade type: A
12. Typical temperature coefficients: Voltage: -2.15%/K; Current: +4.4%/K; Power: -0.43%/K

• Features:

1. High conversion efficiencies resulting in superior power output performance.
2. Suitable for keeping appearance of solar cell tidy and clean.
3. Advanced diffusion technology adapted to ensure conversion efficiency uniformity throughout cell.
4. Advanced PECVD film forming technology used to coat cells with dark blue silicon nitride anti-reflection coatings.
5. Uniform color appearance.
6. Advanced soft line and high precision silkscreen printing equipment to achieve high smoothness, make automatic welding and laser cutting easier.
7. Metal paste applied to making back surface field and electrode to ensure top conductivity, nice adhesion, superior weld-ability, nice appearance and reliable performance.
8. Efficiency, stability and durability of crystal silicon.
9. Low breakage rate.
10. Environmental protection.
11. OEM orders are welcome

4> Specifications:

• Mechanical dimensions

• Electrical Parameters of products

Product name	Efficiency(%)	Pmpp(W)	Vmpp(V)	Impp(A)	Voc(V)	Isc(A)
156 x 156mm(6") Poly-Crystalline Silicone Solar Cell	17.2	4.21	0.527	7.988	0.626	8.851
	17.0	4.16	0.524	7.931	0.624	8.462
	16.8	4.11	0.521	7.891	0.623	8.411
	16.6	4.06	0.518	7.843	0.621	8.363
	16.4	4.01	0.515	7.793	0.619	8.313
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