Large area 15.8% n-type mc-Si screen-printed solar cell with screen printed Al-alloyed emitter

A record efficiency of 15.8% (independently confirmed at Fraunhofer ISE calibration laboratory) is reported on large area (120 cm 2) n-type mc-Si rear junction Si solar cell. Minor modifications to the industrial process for p-type, such as optimization of Al-alloyed screen-printed emitter and phosp...

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Veröffentlicht in:	Solar energy materials and solar cells 2011-04, Vol.95 (4), p.1151-1156
Hauptverfasser:	Singh, Sukhvinder, Dross, Frederic, Posthuma, Niels E., Mertens, Robert
Format:	Artikel
Sprache:	eng
Schlagworte:	Al-alloyed emitter Aluminum Applied sciences Calibration Direct energy conversion and energy accumulation Electrical engineering. Electrical power engineering Electrical power engineering Emittance Energy Exact sciences and technology n-type mc-Si Natural energy Optimization Photoelectric conversion Photovoltaic cells Photovoltaic conversion Rear-junction Screen-printed Screens Si solar cells Silicon Solar cells Solar cells. Photoelectrochemical cells Solar energy
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Beschreibung
Zusammenfassung:	A record efficiency of 15.8% (independently confirmed at Fraunhofer ISE calibration laboratory) is reported on large area (120 cm 2) n-type mc-Si rear junction Si solar cell. Minor modifications to the industrial process for p-type, such as optimization of Al-alloyed screen-printed emitter and phosphorus front surface field, led to an improvement in cell properties. Large improvement in short-circuit current of the cell was possible by decreasing the cell thickness to 130 μm.
ISSN:	0927-0248 1879-3398
DOI:	10.1016/j.solmat.2010.12.043