Hybrid emitter all back contact solar cell

Loscutoff, Paul; Rim, Seung

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Title: Hybrid emitter all back contact solar cell

Abstract

An all back contact solar cell has a hybrid emitter design. The solar cell has a thin dielectric layer formed on a backside surface of a single crystalline silicon substrate. One emitter of the solar cell is made of doped polycrystalline silicon that is formed on the thin dielectric layer. The other emitter of the solar cell is formed in the single crystalline silicon substrate and is made of doped single crystalline silicon. The solar cell includes contact holes that allow metal contacts to connect to corresponding emitters.

Inventors:: Loscutoff, Paul; Rim, Seung

Issue Date:: 2016-04-12

Research Org.:: SunPower Corporation, San Jose, CA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1246834

Patent Number(s):: 9312406

Application Number:: 13/720,721

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

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H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES
H01L31/022441 - {Electrode arrangements specially adapted for back-contact solar cells}
H01L31/022458 - {for emitter wrap-through [EWT] type solar cells, e.g. interdigitated emitter-base back-contacts}
H01L31/028 - including, apart from doping material or other impurities, only elements of Group IV of the Periodic System
H01L31/03682 - {including only elements of Group IV of the Periodic System}
H01L31/068 - the potential barriers being only of the PN homojunction type, e.g. bulk silicon PN homojunction solar cells or thin film polycrystalline silicon PN homojunction solar cells
H01L31/0682 - {back-junction, i.e. rearside emitter, solar cells, e.g. interdigitated base-emitter regions back-junction cells}
H01L31/18 - Processes or apparatus peculiar to the manufacture or treatment of these devices or of parts thereof
H01L31/1804 - {comprising only elements of Group IV of the Periodic System}
H01L31/182 - {Special manufacturing methods for polycrystalline Si, e.g. Si ribbon, poly Si ingots, thin films of polycrystalline Si}

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
Y02E10/50 - Photovoltaic [PV] energy
Y02E10/546 - Polycrystalline silicon PV cells
Y02E10/547 - Monocrystalline silicon PV cells

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DOE Contract Number:: FC36-07GO17043

Resource Type:: Patent

Resource Relation:: Patent File Date: 2012 Dec 19

Country of Publication:: United States

Language:: English

Subject:: 14 SOLAR ENERGY; 36 MATERIALS SCIENCE

Citation Formats


                    Loscutoff, Paul, and Rim, Seung. Hybrid emitter all back contact solar cell.  United States: N. p., 2016. 
        Web.

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                    Loscutoff, Paul, & Rim, Seung. Hybrid emitter all back contact solar cell.  United States.

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                    Loscutoff, Paul, and Rim, Seung. Tue .  
        "Hybrid emitter all back contact solar cell".  United States.  https://www.osti.gov/servlets/purl/1246834.

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@article{osti_1246834,

  title        = {Hybrid emitter all back contact solar cell},

  author       = {Loscutoff, Paul and Rim, Seung},

  abstractNote = {An all back contact solar cell has a hybrid emitter design. The solar cell has a thin dielectric layer formed on a backside surface of a single crystalline silicon substrate. One emitter of the solar cell is made of doped polycrystalline silicon that is formed on the thin dielectric layer. The other emitter of the solar cell is formed in the single crystalline silicon substrate and is made of doped single crystalline silicon. The solar cell includes contact holes that allow metal contacts to connect to corresponding emitters.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2016},

  month        = {4}

}

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Title: Hybrid emitter all back contact solar cell

Abstract

Citation Formats

Photovoltaic solar cells: An overview of state-of-the-art cell development and environmental issues journal, January 2005

Fabrication of polycrystalline solar cells on low-cost substrates patent, June 1976

Faceted low absorptance solar cell patent, January 1984

Floating emitter solar cell patent, May 1987

Method of fabricating back surface point contact solar cells patent, May 1990

Radiation resistant passivation of silicon solar cells patent, July 1991

Bilevel contact solar cells patent, October 1991

Method of fabricating polysilicon emitters for solar cells patent, October 1991

Monolithic series-connected solar cells having improved cell isolation and method of making same patent, November 1992

III-V solar cells and doping processes patent, June 1993

Interconnected silicon film solar cell array patent, November 1993

P/N junction device having porous emitter patent, November 1994

Voltage controlled thyristor patent, November 1994

Method for manufacture of a solar cell patent, September 1995

Back surface illuminated infrared detector patent, December 1995

Methods for forming wraparound electrical contacts on solar cells patent, April 1997

Structure and fabrication process for an aluminum alloy junction self-aligned back contact silicon solar cell patent, June 1997

Method of forming thin silicon oxide film with high dielectric breakdown and hot carrier resistance patent, December 1997

Aluminum alloy back junction solar cell and a process for fabrication thereof patent, July 2001

Method of fabricating a silicon solar cell patent, August 2001

Interconnect structure for solar cells and method of making same patent, November 2001

Edge passivated silicon solar/photo cell and method of manufacture patent, December 2001

Method of fabricating a silicon solar cell patent, January 2002

Method of fabricating a silicon solar cell patent, May 2002

Method of fabricating a silicon solar cell patent, July 2002

Solar cell and method for fabricating the same patent, February 2003

Solar cell and method of manufacturing same patent, October 2003

Use of doped silicon dioxide in the fabrication of solar cells patent, February 2006

Use of doped silicon dioxide in the fabrication of solar cells patent, November 2006

Back side contact solar cell with doped polysilicon regions patent, December 2008

Back side contact solar cell with doped polysilicon regions patent, December 2009

Front contact solar cell with formed electrically conducting layers on the front side and backside patent, June 2012

Front contact solar cell with formed emitter patent, July 2012

Photovoltaic solar cell patent, September 2015

Semiconductor device with selectively diffused regions patent-application, July 2003

Metal contact structure for solar cell and method of manufacture patent-application, October 2004

Manufacturing a solar cell with backside contacts patent-application, January 2005

Process for manufacturing photovoltaic cells patent-application, December 2005

Pallet based system for forming thin-film solar cells patent-application, May 2006

Back-contact photovoltaic cells patent-application, June 2006

Optoelectronic architecture having compound conducting substrate cross-reference to related application patent-application, July 2006

Method for producing photovoltaic device and photovoltaic device patent-application, August 2006

Compositionally-graded photovoltaic device and fabrication method, and related articles patent-application, February 2007

High infrared reflection coatings and associated technologies patent-application, April 2007

Thin film solar cell patent-application, April 2008

Method And Apparatus For A Semiconductor Structure patent-application, July 2008

Photovoltaic device having a textured metal silicide layer patent-application, June 2009

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

Solar Cell Including Sputtered Reflective Layer patent-application, May 2011

Photovoltaic solar cells: An overview of state-of-the-art cell development and environmental issues
journal, January 2005

Fabrication of polycrystalline solar cells on low-cost substrates
patent, June 1976

Faceted low absorptance solar cell
patent, January 1984

Floating emitter solar cell
patent, May 1987

Method of fabricating back surface point contact solar cells
patent, May 1990

Radiation resistant passivation of silicon solar cells
patent, July 1991

Bilevel contact solar cells
patent, October 1991

Method of fabricating polysilicon emitters for solar cells
patent, October 1991

Monolithic series-connected solar cells having improved cell isolation and method of making same
patent, November 1992

III-V solar cells and doping processes
patent, June 1993

Interconnected silicon film solar cell array
patent, November 1993

P/N junction device having porous emitter
patent, November 1994

Voltage controlled thyristor
patent, November 1994

Method for manufacture of a solar cell
patent, September 1995

Back surface illuminated infrared detector
patent, December 1995

Methods for forming wraparound electrical contacts on solar cells
patent, April 1997

Structure and fabrication process for an aluminum alloy junction self-aligned back contact silicon solar cell
patent, June 1997

Method of forming thin silicon oxide film with high dielectric breakdown and hot carrier resistance
patent, December 1997

Aluminum alloy back junction solar cell and a process for fabrication thereof
patent, July 2001

Method of fabricating a silicon solar cell
patent, August 2001

Interconnect structure for solar cells and method of making same
patent, November 2001

Edge passivated silicon solar/photo cell and method of manufacture
patent, December 2001

Method of fabricating a silicon solar cell
patent, January 2002

Method of fabricating a silicon solar cell
patent, May 2002

Method of fabricating a silicon solar cell
patent, July 2002

Solar cell and method for fabricating the same
patent, February 2003

Solar cell and method of manufacturing same
patent, October 2003

Use of doped silicon dioxide in the fabrication of solar cells
patent, February 2006

Use of doped silicon dioxide in the fabrication of solar cells
patent, November 2006

Back side contact solar cell with doped polysilicon regions
patent, December 2008

Back side contact solar cell with doped polysilicon regions
patent, December 2009

Front contact solar cell with formed electrically conducting layers on the front side and backside
patent, June 2012

Front contact solar cell with formed emitter
patent, July 2012

Photovoltaic solar cell
patent, September 2015

Semiconductor device with selectively diffused regions
patent-application, July 2003

Metal contact structure for solar cell and method of manufacture
patent-application, October 2004

Manufacturing a solar cell with backside contacts
patent-application, January 2005

Process for manufacturing photovoltaic cells
patent-application, December 2005

Pallet based system for forming thin-film solar cells
patent-application, May 2006

Back-contact photovoltaic cells
patent-application, June 2006

Optoelectronic architecture having compound conducting substrate cross-reference to related application
patent-application, July 2006

Method for producing photovoltaic device and photovoltaic device
patent-application, August 2006

Compositionally-graded photovoltaic device and fabrication method, and related articles
patent-application, February 2007

High infrared reflection coatings and associated technologies
patent-application, April 2007

Thin film solar cell
patent-application, April 2008

Method And Apparatus For A Semiconductor Structure
patent-application, July 2008

Photovoltaic device having a textured metal silicide layer
patent-application, June 2009

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

Solar Cell Including Sputtered Reflective Layer
patent-application, May 2011