Challenge to 18% Efficiency with 30x30cm2-Sized Cu(InGa)(SeS)2 Submodules in Solar Frontier

Sugimoto, H.; Kawaguchi, Yoshihiro; Yasaki, Y.; Aramoto, T.; Tanaka, Yuki; Hakuma, H.; Kuriyagawa, S.; Kushiya, Katsumi

doi:10.4229/26theupvsec2011-3cp.1.2

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Achievement of 17.5% efficiency with 30 × 30cm<sup>2</sup>-sized Cu(In,Ga)(Se,S)<inf>2</inf> submodules

Nakamura

Chiba

Kijima

et al. 2012

2012 38th IEEE Photovoltaic Specialists Conference

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The efficiency of 17.8% on a 30 × 30cm 2 -sized Cu(In,Ga)(Se,S) 2 (CIS)-based thin-film submodule was achieved. The device structure is same as our previous works; monolithically integrated CIS-based cells on a Modeposited glass substrate with a Zn(O, S, OH) x buffer and a ZnO window. Current Progress was mainly brought by review of the band profile of the absorber layer. More specifically, fine tuning of the grading of Ga/(Ga+In) and S/(Se+S) ratio turned out to improve the value of V oc × J sc by a factor of as much as three percent.

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Achievement of 17.5% efficiency with 30 × 30cm<sup>2</sup>-sized Cu(In,Ga)(Se,S)<inf>2</inf> submodules

Nakamura

Chiba

Kijima

et al. 2012

2012 38th IEEE Photovoltaic Specialists Conference

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Influence of Cu(In,Ga)Se<inf>2</inf> grain orientation on solution growth of Zn(O,S) and CdS

Witte

Abou‐Ras

Hariskos

2012

2012 38th IEEE Photovoltaic Specialists Conference

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Cu(In,Ga)(Se,S)₂solar cell research in Solar Frontier: Progress and current status

Kato¹

2017

Jpn. J. Appl. Phys.

161

119

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As the largest manufacturer of Cu(In,Ga)(Se,S)2 (CIGS) thin-film photovoltaic modules with more than 1 GW/year production volume, Solar Frontier K.K. has continuously improved module performance and small-area cell efficiencies in the laboratory. Because of our low-cost and environmentally-friendly process, Solar Frontier’s CIGS is a promising technology for the mass production of photovoltaic modules to fill ever-increasing demand. Recently we have achieved certified efficiencies of 22.3 and 22.0% on CdS-buffered and Cd-free buffered small-area cells, respectively, as well as 18.6% on a Cd-free mini-module. In this paper, a review of our CIGS technology and recent progress on the development of the module and the small-area cell is presented.

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Challenge to 18% Efficiency with 30x30cm2-Sized Cu(InGa)(SeS)2 Submodules in Solar Frontier

Cited by 3 publications

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Achievement of 17.5% efficiency with 30 × 30cm<sup>2</sup>-sized Cu(In,Ga)(Se,S)<inf>2</inf> submodules

Achievement of 17.5% efficiency with 30 × 30cm<sup>2</sup>-sized Cu(In,Ga)(Se,S)<inf>2</inf> submodules

Influence of Cu(In,Ga)Se<inf>2</inf> grain orientation on solution growth of Zn(O,S) and CdS

Cu(In,Ga)(Se,S)₂solar cell research in Solar Frontier: Progress and current status

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Challenge to 18% Efficiency with 30x30cm2-Sized Cu(InGa)(SeS)2 Submodules in Solar Frontier

Cited by 3 publications

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Achievement of 17.5% efficiency with 30 &#x00D7; 30cm<sup>2</sup>-sized Cu(In,Ga)(Se,S)<inf>2</inf> submodules

Achievement of 17.5% efficiency with 30 &#x00D7; 30cm<sup>2</sup>-sized Cu(In,Ga)(Se,S)<inf>2</inf> submodules

Influence of Cu(In,Ga)Se<inf>2</inf> grain orientation on solution growth of Zn(O,S) and CdS

Cu(In,Ga)(Se,S)2solar cell research in Solar Frontier: Progress and current status

Contact Info

Product

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About

Achievement of 17.5% efficiency with 30 × 30cm<sup>2</sup>-sized Cu(In,Ga)(Se,S)<inf>2</inf> submodules

Achievement of 17.5% efficiency with 30 × 30cm<sup>2</sup>-sized Cu(In,Ga)(Se,S)<inf>2</inf> submodules

Cu(In,Ga)(Se,S)₂solar cell research in Solar Frontier: Progress and current status