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Achievement of More Than 25% Conversion Efficiency With Crystalline Silicon Heterojunction Solar Cell

• Keiichiro Masuko, Masato Shigematsu, +12 authors Shingo Okamoto
• IEEE Journal of Photovoltaics
• 2014

The crystalline silicon heterojunction structure adopted in photovoltaic modules commercialized as Panasonic's HIT has significantly reduced recombination loss, resulting in greater conversion… (More)

24.7% Record Efficiency HIT Solar Cell on Thin Silicon Wafer

• Mikio Taguchi, Ayumu Yano, +5 authors Eiji Maruyama
• IEEE Journal of Photovoltaics
• 2014

A new record conversion efficiency of 24.7% was attained at the research level by using a heterojunction with intrinsic thin-layer structure of practical size (101.8 cm2, total area) at a 98-μm… (More)

Sanyo's Challenges to the Development of High-efficiency HIT Solar Cells and the Expansion of HIT Business

• Eiji Maruyama, Akira Terakawa, +6 authors Masato Tanaka
• 2006 IEEE 4th World Conference on Photovoltaic…
• 2006

The world's highest conversion efficiency levels of 21.8% (Voc: 0.718 V, Isc: 3.852 A, FF: 79.0%, confirmed by AIST) with a practical size of 100.4 cm2 has been achieved by using the HIT… (More)

High-efficiency HIT solar cells with a very thin structure enabling a high Voc

• Kenichi Maki, Daisuke Fujishima, +8 authors Eiji Maruyama
• 2011 37th IEEE Photovoltaic Specialists…
• 2011

To increase the competitiveness of HIT (Heterojunction with Intrinsic Thin-layer) solar cells, we have been working on the enhancing their conversion efficiency. This time, we improved the… (More)

An approach for the higher efficiency in the HIT cells

• Mikio Taguchi, Hitoshi Sakata, +4 authors Shinya Kiyama
• Conference Record of the Thirty-first IEEE…
• 2005

The highest conversion efficiency to date of 21.5% (confirmed by AIST) with a size of 100.3 cm/sup 2/ has been achieved in an HIT cell. Because of this high efficiency and the cell's superior… (More)

Transmission line high-T/sub c/ dc-SQUIDs

• Shinya Kuriki, Harumi Oyama, +4 authors Mitsu Koyanagi
• IEEE Transactions on Applied Superconductivity
• 1999

Because of high permittivity of SrTiO/sub 3/ (STO) substrate, YBCO high-Tc SQUIDs have distributed impedance. Based on the simulation by the analytical method to calculate the I-V characteristic, we… (More)

High-performance HIT solar cells for thinner silicon wafers

• Daisuke Fujishima, Hirotada Inoue, +6 authors Eiji Maruyama
• 2010 35th IEEE Photovoltaic Specialists…
• 2010

We have been researching and developing HIT (Heterojunction with Intrinsic Thin-layer) solar cells to obtain high conversion efficiency. Last year, we updated the world's highest conversion… (More)

Excellent power-generating properties by using the HIT structure

• Daisuke Ide, Mikio Taguchi, +6 authors Makoto Tanaka
• 2008 33rd IEEE Photovoltaic Specialists…
• 2008

We are developing HIT solar cells with high conversion efficiency, which was achieved the world's highest conversion efficiency of 22.3% in a practical size solar cell in July 2007. We have four main… (More)

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