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Specifications
High Efficiency polycrystalline solar cell with lower priceWe are designing, producing, sales solar cells
Polycrystalline silicon solar cells 156 with 2 lines: 156*156mm
solar cell
Polycrystalline silicon solar cells 156 with 2 lines: 156*156mm
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
PHYSICAL CHARACTERISTICS | |
Format |
156mm×156mm±0.5mm |
Diagonal |
220mm±0.5mm |
Thickness |
200±20 μm |
Front(-) |
Blue reflecting coating(silicon nitride); 1.9mm busbars(silver); |
Back(+) |
surface field(Aluminum); 2.0mm wide soldering pads; |
ELECTRICAL CHARACTERISTICS | ||||||||||||
Efficiency |
[%] |
15.2 |
15.4 |
15.6 |
15.8 |
16.0 |
16.2 |
16.4 |
16.6 |
16.8 |
17.0 |
17.2 |
Pmmp |
[W] |
3.70 |
3.75 |
3.8 |
3.85 |
3.89 |
3.94 |
3.99 |
4.04 |
4.09 |
4.14 |
4.19 |
Isc |
[A] |
8.01 |
8.14 |
8.19 |
8.22 |
8.27 |
8.32 |
8.37 |
8.43 |
8.47 |
8.51 |
8.61 |
Voc |
[V] |
606 |
608.2 |
609.6 |
609.2 |
611.4 |
614.5 |
616.8 |
620 |
622.8 |
624.6 |
626.6 |
Impp |
[A] |
7.49 |
7.59 |
7.66 |
7.71 |
7.76 |
7.81 |
7.86 |
7.92 |
7.97 |
8.01 |
8.11 |
Umpp |
[mV] |
498.7 |
500 |
500.7 |
503.2 |
505.3 |
508 |
510.2 |
513 |
515.9 |
518.2 |
518.2 |
FF |
[%] |
76.27 |
75.79 |
76.16 |
77.03 |
77.02 |
77.11 |
77.33 |
77.34 |
77.58 |
77.93 |
77.71 |
Cell-To-Module Performance (CTM)
MARSROCK improves cell-to-module ratio by:
Narrowing down efficiency bin range to 0.2%.
Defining efficiency bins by minimal power and 97% of current at maximum power.
Customers can manage and control module power output distribution.
Customers get more value for their money.
Long-Term Reliability
High Shunt Resistance
Low LID (Light-Induced Degradation)
Frequent internal monitoring of LID.
Visual Quality
MARSROCK sorts cells into four blue color classes and clearly labels them on packaging and shipping documents.
Color uniformity within cells are closely monitored and controlled.
Gives modules a high quality look and feel.
MARSROCK sets high visual quality standards, screening more than 25 visual criteria.
Performance in High Temperature
MARSROCK cells produce optimal power output even in high temperature conditions.
Temperature coefficients average 0.1% per °C lower than the competition. This means 3% less power degradation when cell surface temperature increases from 25°C to 55°C.
Performance in Low Light
MARSROCK cells perform exceptionally well even in low light.
MARSROCK A-grade and B-grade cells are screened for shunt resistance.
Higher shunt resistance can result in up to 10% higher annual energy yield for PV systems.
Low Reverse Current
MARSROCK cells feature low reverse current at both -10V or -12V.
Reduces hot spot risk for long-term reliability.
Environmental Compliance
MARSROCK cells are developed with environmental protection in mind.
All cells are RoHS compliant.
REACH-SVHC compliance ensures safe entry into the European market.
RoHS compliance: safe limits of Pb and no Cd found.
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