EP 2786420 A2 20141008 - SOLAR CELL AND PROCESS FOR PRODUCING A SOLAR CELL
Title (en)
SOLAR CELL AND PROCESS FOR PRODUCING A SOLAR CELL
Title (de)
SOLARZELLE UND VERFAHREN ZUM HERSTELLEN EINER SOLARZELLE
Title (fr)
CELLULE SOLAIRE ET PROCÉDÉ DE FABRICATION D'UNE CELLULE SOLAIRE
Publication
Application
Priority
- DE 102011055912 A 20111201
- IB 2012056412 W 20121114
Abstract (en)
[origin: WO2013080072A2] The present invention relates to a solar cell and to a process for producing such a solar cell which involves producing a solar cell core in which a charge separation and a charge transfer to an emitter and to a base located on a side of the solar cell that is opposite from the emitter are provided when there is incident light in a front side of the solar cell; which involves producing an electrically conductive emitter-contact structure in the form of contact fingers that are in direct electrical contact with the emitter; and which involves producing a solderable metallic emitter-terminal structure in the form of conductor bars that are in direct electrical contact with the emitter-contact structure and transversely connect the contact fingers of the emitter-contact structure; wherein the emitter and the base are contacted on opposite sides of the solar cell. The object of the present invention is to propose a simply constructed and reliably operating solar cell of the generic type mentioned and a corresponding solar cell production process with which solar cell production costs can be reduced. This object is achieved by a solar cell and a solar cell production process of the generic type mentioned, wherein the solderable metallic emitter-terminal structure is produced at least from nickel, a nickel alloy, tin and/or a tin alloy, and a solder or an electrically conductive strip arrangement covered with a solder is applied to this emitter-terminal structure.
IPC 8 full level
H01L 31/02 (2006.01); H01L 21/283 (2006.01); H01L 31/0224 (2006.01); H01L 31/05 (2014.01); H01L 31/0747 (2012.01)
CPC (source: CN EP US)
H01L 31/02008 (2013.01 - US); H01L 31/0201 (2013.01 - CN EP US); H01L 31/022425 (2013.01 - CN EP US); H01L 31/0504 (2013.01 - CN EP US); H01L 31/0512 (2013.01 - CN EP US); H01L 31/0747 (2013.01 - CN EP US); Y02E 10/50 (2013.01 - EP US)
Citation (search report)
See references of WO 2013080072A2
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
DE 102011055912 A1 20130606; CN 104185904 A 20141203; EP 2786420 A2 20141008; TW 201340361 A 20131001; US 2015027527 A1 20150129; WO 2013080072 A2 20130606; WO 2013080072 A3 20131121
DOCDB simple family (application)
DE 102011055912 A 20111201; CN 201280068873 A 20121114; EP 12812364 A 20121114; IB 2012056412 W 20121114; TW 101143765 A 20121122; US 201214362092 A 20121114