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

被引:1031
作者
Masuko, Keiichiro [1 ]
Shigematsu, Masato [1 ]
Hashiguchi, Taiki [1 ]
Fujishima, Daisuke [1 ]
Kai, Motohide [1 ]
Yoshimura, Naoki [1 ]
Yamaguchi, Tsutomu [1 ]
Ichihashi, Yoshinari [1 ]
Mishima, Takahiro [1 ]
Matsubara, Naoteru [1 ]
Yamanishi, Tsutomu [1 ]
Takahama, Tsuyoshi [1 ]
Taguchi, Mikio [1 ]
Maruyama, Eiji [1 ]
Okamoto, Shingo [1 ]
机构
[1] Panasonic Corp, Eco Solut Co, Solar Business Unit, Kaizuka City, Osaka 5970094, Japan
来源
IEEE JOURNAL OF PHOTOVOLTAICS | 2014年 / 4卷 / 06期
关键词
Amorphous materials; photovoltaic cells; silicon heterojunction; surface passivation; CONTACT;
D O I
10.1109/JPHOTOV.2014.2352151
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
The crystalline silicon heterojunction structure adopted in photovoltaic modules commercialized as Panasonic's HIT has significantly reduced recombination loss, resulting in greater conversion efficiency. The structure of an interdigitated back contact was adopted with our crystalline silicon heterojunction solar cells to reduce optical loss from a front grid electrode, a transparent conducting oxide (TCO) layer, and a-Si: H layers as an approach for exceeding the conversion efficiency of 25%. As a result of the improved short-circuit current (J(sc)), we achieved the world's highest efficiency of 25.6% for crystalline silicon-based solar cells under 1-sun illumination (designated area: 143.7 cm(2)).
引用
收藏
页码:1433 / 1435
页数:3
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