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| Highly Efficient |
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Modules with high efficiency not only make effective use of limited space, but also contribute to lowering system cost by reducing the number of modules in use. Mitsubishi Electric has made particularly keen efforts to enhance the efficiency of the actual use environment, reflecting the company's long history of excellence and independently integrated production methods.
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Highly Efficient Cells
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Solder-coatingless Cells
For the silver electrodes formed on the solar cell surface, we have succeeded in developing a composition and manufacturing process that excel in environmental resistance. This has paved the way to the industry-first introduction of mass-produced “solder-coatingless cells” -- which, as the name suggests, require no solder coating. This removes lead which is harmful to the human body, while the expanded light reflection effects with the solderless status improve cell efficiency.
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Fine Grid Electrodes
Mitsubishi Electric has developed fine grid electrodes for the solar cell manufacturing process, an advance that has effectively expanded the solar cell light receiving area to realize high-efficiency cells.
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BSF (Back Surface Field) Structure
Adoption of an optimal BSF structure has broadly improved solar cell efficiency.
Anti-reflective Coating
Use of anti-reflective coating shuts out solar rays that reflect off solar cells, thereby heightening cell efficiency.
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Highly Efficient Modules
TD Series: Unique Bus Bar Design
A unique new bus bar design dramatically improves module efficiency by reducing bus bar series resistance.
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Back Film Reflected Light
Solar cell string pitch have been expanded, with back film reflected light mobilized to raise module efficiency.
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High Reflectance Back Film
The newly developed high reflectance back film improves module efficiency by increasing reflection power from 80%* to 90%*. (*evaluated by Mitsubishi Electric) |
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Cerium-free/High-transmittance Glass
Use of glass that is cerium-free and high in transmittance has defined a new dimension in high efficiency, free of initial deterioration.
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TD Series: Tightest Tolerance
Mitsubishi Electric’s state-of-the-art production management system can provide the tightest tolerance of module output power (±3%) in the industry. This innovation can be expected to higher output power in your PV system by reducing module string losses.
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High Power Output in Actual Use
Mitsubishi Electric determines the output measurement of photovoltaic modules by using calibrated modules at JRC, a leading European testing institute. We also exercise meticulous controls on the production line, working to ensure that factory-shipment test values exceed the nominal output power for each carton (two modules per carton). These efforts combine to realize high power generation performance in actual use.
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