NDLI: High efficiency solar cells obtained from small size ingots with 30 cmΦ by controlling the distribution and orientation of dendrite crystals grown along the bottom of the ingots

Content Provider	IEEE Xplore Digital Library
Author	Nakajima, K. Kutsukake, K. Fujiwara, K. Usami, N. Ono, S. Yamasaki, Y.
Copyright Year	2010
Description	Author affiliation: Graduate School of Energy Science, Kyoto University, Japan (Nakajima, K.; Kutsukake, K.) \|\| IMR, Tohoku University, Sendai, Japan (Fujiwara, K.; Usami, N.) \|\| Dai-ich Kiden Corporation, Chofu, Japan (Ono, S.) \|\| Sharp Corporation, Katsuragi, Japan (Yamasaki, Y.)
Abstract	We have obtained high-efficiency solar cells using 15.6 cm x 15.6 cm size wafers cut from small Si multicrystalline ingots with 30 $cm^{Ø}$ and the height of 7.5 cm, as well as those using 10 cm x 10 cm size wafers [1]. The ingots were grown by controlling the distribution and orientation of dendrite crystals grown along the bottom of the ingots, using the dendritic casting method. The conversion efficiency η of solar cells using the Si wafers was around 17.7 %, and the conversion efficiency was kept high and constant even in a large part (60% for more than η=17% and 80% for more than η=16%) of the small ingot. Therefore, we have made a plan to design and manufacture a large-scale equipment for industrial applications because much high efficiency and high yield can be expected using the large-scale equipment.
Starting Page	000817
Ending Page	000819
File Size	541015
Page Count	3
File Format	PDF
ISBN	9781424458905
ISSN	01608371
e-ISBN	9781424458929
DOI	10.1109/PVSC.2010.5617194
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Grain boundaries
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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