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Title: Evaluating the economic viability of CdTe/CIS and CIGS/CIS tandem photovoltaic modules

Abstract

In this paper, we analyze the potential cost competitiveness of two frameless, glass–glass thin-film tandem photovoltaic module structures, cadmium telluride (CdTe)/CuInSe2 (CIS) and CuIn0.3Ga0.7Se2 (CIGS)/CIS, based on the demonstrated cost of manufacturing the respective component cell technologies in high volume. To consider multiple economic scenarios, we base the CdTe/CIS module efficiency on the current industrial production of CdTe modules, while for CIGS/CIS, we use an aspirational estimate for CIGS efficiency. We focus on four-terminal mechanically stacked structures, thus avoiding the need to achieve current matching between the two cells. The top cell in such a tandem must have a transparent back contact, which has not been successfully implemented to date. However, for the purpose of understanding the economic viability of both tandems, we assume that this can be implemented at a cost similar to that of sputtered indium tin oxide. The cost of both tandem module structures was found to be nearly identical on an equal-area basis and approximately $30/m2 higher than the single-junction alternatives. Both tandem modules are about 4% (absolute) more efficient than a module by using the top-cell material alone. We find that these tandem modules might reduce total system cost by as much as 11% inmore » applications having a high area-related balance-of-system cost, such as area-constrained residential systems; however, the relative advantage of tandems decreases in the cases where balance-of-system costs are lower, such as in commercial and utility scale systems.« less

Authors:
 [1];  [1];  [1];  [1];  [1]
  1. National Renewable Energy Lab. (NREL), Golden, CO (United States)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S)
OSTI Identifier:
1351875
Report Number(s):
NREL/JA-5K00-65845
Journal ID: ISSN 1062-7995
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Accepted Manuscript
Journal Name:
Progress in Photovoltaics
Additional Journal Information:
Journal Volume: 25; Journal Issue: 4; Journal ID: ISSN 1062-7995
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
14 SOLAR ENERGY; tandems; photovoltaics; cost modeling; CIGS; CIS; CdTe; thin-film solar cells

Citation Formats

Nanayakkara, Sanjini U., Horowitz, Kelsey, Kanevce, Ana, Woodhouse, Michael, and Basore, Paul. Evaluating the economic viability of CdTe/CIS and CIGS/CIS tandem photovoltaic modules. United States: N. p., 2017. Web. doi:10.1002/pip.2849.
Nanayakkara, Sanjini U., Horowitz, Kelsey, Kanevce, Ana, Woodhouse, Michael, & Basore, Paul. Evaluating the economic viability of CdTe/CIS and CIGS/CIS tandem photovoltaic modules. United States. doi:10.1002/pip.2849.
Nanayakkara, Sanjini U., Horowitz, Kelsey, Kanevce, Ana, Woodhouse, Michael, and Basore, Paul. Fri . "Evaluating the economic viability of CdTe/CIS and CIGS/CIS tandem photovoltaic modules". United States. doi:10.1002/pip.2849. https://www.osti.gov/servlets/purl/1351875.
@article{osti_1351875,
title = {Evaluating the economic viability of CdTe/CIS and CIGS/CIS tandem photovoltaic modules},
author = {Nanayakkara, Sanjini U. and Horowitz, Kelsey and Kanevce, Ana and Woodhouse, Michael and Basore, Paul},
abstractNote = {In this paper, we analyze the potential cost competitiveness of two frameless, glass–glass thin-film tandem photovoltaic module structures, cadmium telluride (CdTe)/CuInSe2 (CIS) and CuIn0.3Ga0.7Se2 (CIGS)/CIS, based on the demonstrated cost of manufacturing the respective component cell technologies in high volume. To consider multiple economic scenarios, we base the CdTe/CIS module efficiency on the current industrial production of CdTe modules, while for CIGS/CIS, we use an aspirational estimate for CIGS efficiency. We focus on four-terminal mechanically stacked structures, thus avoiding the need to achieve current matching between the two cells. The top cell in such a tandem must have a transparent back contact, which has not been successfully implemented to date. However, for the purpose of understanding the economic viability of both tandems, we assume that this can be implemented at a cost similar to that of sputtered indium tin oxide. The cost of both tandem module structures was found to be nearly identical on an equal-area basis and approximately $30/m2 higher than the single-junction alternatives. Both tandem modules are about 4% (absolute) more efficient than a module by using the top-cell material alone. We find that these tandem modules might reduce total system cost by as much as 11% in applications having a high area-related balance-of-system cost, such as area-constrained residential systems; however, the relative advantage of tandems decreases in the cases where balance-of-system costs are lower, such as in commercial and utility scale systems.},
doi = {10.1002/pip.2849},
journal = {Progress in Photovoltaics},
number = 4,
volume = 25,
place = {United States},
year = {2017},
month = {1}
}

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Works referenced in this record:

Tracking US photovoltaic system prices 1998-2012: a rapidly changing market: Tracking US photovoltaic system prices 1998-2012
journal, March 2014

  • Barbose, Galen; Darghouth, Naïm Richard; Weaver, Samantha
  • Progress in Photovoltaics: Research and Applications, Vol. 23, Issue 6
  • DOI: 10.1002/pip.2482

Encapsulation of PV modules using ethylene vinyl acetate copolymer as a pottant: A critical review
journal, September 1996


Cu(In1-x, Gax)Se2-Based Thin Film Solar Cells Using Transparent Conducting Back Contacts
journal, November 2002

  • Nakada, Tokio; Hirabayashi, Yutaka; Tokado, Takehito
  • Japanese Journal of Applied Physics, Vol. 41, Issue Part 2, No. 11A
  • DOI: 10.1143/JJAP.41.L1209

Over 30% efficient InGaP/GaAs tandem solar cells
journal, January 1997

  • Takamoto, Tatsuya; Ikeda, Eiji; Kurita, Hiroshi
  • Applied Physics Letters, Vol. 70, Issue 3, p. 381-383
  • DOI: 10.1063/1.118419

Optimization of CIGS-Based PV Device through Antimony Doping
journal, January 2010

  • Yuan, Min; Mitzi, David B.; Liu, Wei
  • Chemistry of Materials, Vol. 22, Issue 2, p. 285-287
  • DOI: 10.1021/cm903428f

Design of CdZnTe and Crystalline Silicon Tandem Junction Solar Cells
journal, January 2016


Indium-Gallium Segregation in CuIn x Ga 1 x Se 2 : An Ab Initio –Based Monte Carlo Study
journal, July 2010


Technology advances needed for photovoltaics to achieve widespread grid price parity: Widespread grid price parity for photovoltaics
journal, April 2016

  • Jones-Albertus, Rebecca; Feldman, David; Fu, Ran
  • Progress in Photovoltaics: Research and Applications, Vol. 24, Issue 9
  • DOI: 10.1002/pip.2755

New world record efficiency for Cu(In,Ga)Se2 thin-film solar cells beyond 20%
journal, January 2011

  • Jackson, Philip; Hariskos, Dimitrios; Lotter, Erwin
  • Progress in Photovoltaics: Research and Applications, Vol. 19, Issue 7
  • DOI: 10.1002/pip.1078

Transparent CdTe solar cells with a ZnO:Al back contact
journal, December 2013


Wide bandgap Cu(In,Ga)Se 2 solar cells with improved energy conversion efficiency : Wide bandgap Cu(In,Ga)Se
journal, June 2012

  • Contreras, Miguel A.; Mansfield, Lorelle M.; Egaas, Brian
  • Progress in Photovoltaics: Research and Applications, Vol. 20, Issue 7
  • DOI: 10.1002/pip.2244

Effect of band mismatch on minority carrier transport in heterojunction solar cells
journal, October 2014


Solar cell efficiency tables (version 47): Solar cell efficiency tables
journal, November 2015

  • Green, Martin A.; Emery, Keith; Hishikawa, Yoshihiro
  • Progress in Photovoltaics: Research and Applications, Vol. 24, Issue 1
  • DOI: 10.1002/pip.2728

Economic competitiveness of III-V on silicon tandem one-sun photovoltaic solar modules in favorable future scenarios: Economic competitiveness of III-V on on silicon tandem modules
journal, September 2016

  • Bobela, David C.; Gedvilas, Lynn; Woodhouse, Michael
  • Progress in Photovoltaics: Research and Applications, Vol. 25, Issue 1
  • DOI: 10.1002/pip.2808

II–VI compounds as the top absorbers in tandem solar cell structures
journal, February 2005

  • Mahawela, P.; Sivaraman, G.; Jeedigunta, S.
  • Materials Science and Engineering: B, Vol. 116, Issue 3
  • DOI: 10.1016/j.mseb.2004.05.054

High-Performance, Transparent, and Stretchable Electrodes Using Graphene–Metal Nanowire Hybrid Structures
journal, May 2013

  • Lee, Mi-Sun; Lee, Kyongsoo; Kim, So-Yun
  • Nano Letters, Vol. 13, Issue 6
  • DOI: 10.1021/nl401070p

Nonvacuum Solution Synthesis of (Ag,Cu)(In,Ga)Se 2 Absorbers for Applications in Thin-Film Solar Cells
journal, September 2015

  • Wu, Jyun-Jie; Yang, Che-Yuan; Sung, Jen-Cheng
  • Journal of the American Ceramic Society, Vol. 98, Issue 12
  • DOI: 10.1111/jace.13818

29.5%‐efficient GaInP/GaAs tandem solar cells
journal, August 1994

  • Bertness, K. A.; Kurtz, Sarah R.; Friedman, D. J.
  • Applied Physics Letters, Vol. 65, Issue 8
  • DOI: 10.1063/1.112171

Perspectives on the pathways for cadmium telluride photovoltaic module manufacturers to address expected increases in the price for tellurium
journal, August 2013


Modeled performance of polycrystalline thin-film tandem solar cells
journal, January 2002

  • Coutts, Timothy J.; Emery, Keith A.; Scott Ward, J.
  • Progress in Photovoltaics: Research and Applications, Vol. 10, Issue 3
  • DOI: 10.1002/pip.419