An approach for the higher efficiency in the HIT cells

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 temperature characteristics, HIT cells are highly regarded by consumers. Sanyo will increase the produc...

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Bibliographic Details
Published inConference Record of the Thirty-first IEEE Photovoltaic Specialists Conference, 2005 pp. 866 - 871
Main Authors Taguchi, M., Sakata, H., Yoshimine, Y., Maruyama, E., Terakawa, A., Tanaka, M., Kiyama, S.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2005
Subjects
Amorphous silicon
Electrodes
Fingers
Laboratories
Mass production
P-n junctions
Photovoltaic cells
Plasma temperature
Substrates
Surface treatment
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Summary: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 temperature characteristics, HIT cells are highly regarded by consumers. Sanyo will increase the production volume of cells and modules to meet the demand both inside and outside of Japan. We have been investigating suitable materials based on Sanyo's technology for fabricating high-quality a-Si solar cells to obtain higher build-in potential and control the junction properties, and have been studying how to treat the surface to create a good interface without introducing any damage. We will continue our efforts to obtain even higher levels of conversion efficiency by using the high potential that this structure has.
ISBN:9780780387072
0780387074
ISSN:0160-8371
DOI:10.1109/PVSC.2005.1488270