SOLAR CELL, SOLAR MODULE AND SYSTEM AND FABRICATION METHOD THEREOF

SOLAR CELL, SOLAR MODULE AND SYSTEM AND FABRICATION METHOD THEREOF

A solar cell having an improved structure of rear surface includes a p-type doped region, a dense metal layer, a loose metal layer, at least one bus bar opening, and solderable material on or within the bus bar opening. The solderable material contacts with the dense aluminum layer. The improved str...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LIN SHIHNG, CHANG WEIIH, WANG PIN-SHENG, CHOU YIIN, HUANG CHORNG-JYE
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION
SEMICONDUCTOR DEVICES
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
TRANSPORTING
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Beschreibung
Zusammenfassung:A solar cell having an improved structure of rear surface includes a p-type doped region, a dense metal layer, a loose metal layer, at least one bus bar opening, and solderable material on or within the bus bar opening. The solderable material contacts with the dense aluminum layer. The improved structure in rear surface increases the light converting efficiency, and provides a good adhesion between copper ribbon and solar cell layer thereby providing cost advantages and reducing the complexity in manufacturing. A solar module and solar system composed of such solar cell are also disclosed.