2.8w Effi_18% Mono-crystalline photovoltaic solar cells

2.8w Effi_18% Mono-crystalline photovoltaic solar cells

Product Description

Monocrystalline Silicon Solar Cells
Solar panel Characteristics
High efficiency and stable performance in photovoltaic conversion.
Advanced diffusion technique ensuring the homogeneity of energy conversion efficiency of the cell.

Advanced PECVD film forming, providing a dark blue silicon nitride anti-reflection film of homogenous color and attractive appearance.
High quality metal paste for back surface and electrode, ensuring good conductivity, high pulling strength and ease of soldering.
High precision patterning using screen printing, ensuring accurate busbar location for ease with automatic soldering a laser cutting.
Mono-crystalline Silicon Solar Cells

Mechanical data and design

Format 125 mm × 125 mm ± 0.5 mm

Thickness 190 μm ± 20 μm

Front (-) 1.8 mm bus bars (silver), blue anti-reflection coating (silicon nitride0

Back (+) 3 mm wide soldering pads (silver) back surface field (aluminium)

Temperature coefficients

Voc. Temp.coef.%/K -0.348%/K

Isc. Temp.coef.%/K +0.031%/K

Pm. Temp. coef.%/K -0.46%/K

Product characteristics

a. High and stable efficiency in photovoltaic conversion

b. IC level cleaning effect and unique texturing recipe improve yield and conversion

c. Advanced diffusion technique ensures the uniformity of cell performance

d. High quality silver and silver-aluminium paste ensure higher pulling strength and improved soldering easiness

e. Low degradation under light exposure