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Title: Solar cell having a plurality of conductive contacts

Abstract

The formation of solar cell contacts using a laser is described. A method of fabricating a back-contact solar cell includes forming a poly-crystalline material layer above a single-crystalline substrate. The method also includes forming a dielectric material stack above the poly-crystalline material layer. The method also includes forming, by laser ablation, a plurality of contacts holes in the dielectric material stack, each of the contact holes exposing a portion of the poly-crystalline material layer; and forming conductive contacts in the plurality of contact holes.

Inventors:
; ;
Issue Date:
Research Org.:
SunPower Corp., San Jose, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1859979
Patent Number(s):
11152518
Application Number:
16/276,381
Assignee:
SunPower Corporation (San Jose, CA)
Patent Classifications (CPCs):
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES
Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE Y02E - REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
DOE Contract Number:  
FC36-07GO17043
Resource Type:
Patent
Resource Relation:
Patent File Date: 02/14/2019
Country of Publication:
United States
Language:
English

Citation Formats

Harley, Gabriel, Smith, David D., and Cousins, Peter John. Solar cell having a plurality of conductive contacts. United States: N. p., 2021. Web.
Harley, Gabriel, Smith, David D., & Cousins, Peter John. Solar cell having a plurality of conductive contacts. United States.
Harley, Gabriel, Smith, David D., and Cousins, Peter John. Tue . "Solar cell having a plurality of conductive contacts". United States. https://www.osti.gov/servlets/purl/1859979.
@article{osti_1859979,
title = {Solar cell having a plurality of conductive contacts},
author = {Harley, Gabriel and Smith, David D. and Cousins, Peter John},
abstractNote = {The formation of solar cell contacts using a laser is described. A method of fabricating a back-contact solar cell includes forming a poly-crystalline material layer above a single-crystalline substrate. The method also includes forming a dielectric material stack above the poly-crystalline material layer. The method also includes forming, by laser ablation, a plurality of contacts holes in the dielectric material stack, each of the contact holes exposing a portion of the poly-crystalline material layer; and forming conductive contacts in the plurality of contact holes.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {10}
}

Works referenced in this record:

Solar cell contact formation using laser ablation
patent, July 2014


Back-Contact Photovoltaic Cells
patent-application, June 2007


Methods for forming mutiple-layer electrode structures for silicon photovoltaic cells
patent-application, September 2009


Contact fabrication of emitter wrap-through back contact silicon solar cells
patent-application, August 2005


Solar Cell Element Manufacturing Method and Solar Cell Element
patent-application, September 2009


Solar cell contact formation using laser ablation
patent, December 2012


Solar cell contact formation using laser ablation
patent, July 2015