Power generation characteristics of Si PV cell under extremely high-intensity near-infrared light irradiation

被引：1
|
作者：
Zhou, Jingyi [1 ]
He, Xing [1 ]
Kato, Toshiaki [1 ]
Yoshikawa, Kunta [2 ]
Yamada, Hirohito [1 ]
机构：
[1] Tohoku Univ, Grad Sch Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan
[2] Kaneka Corp, Osaka 5660072, Japan
来源：
IEICE ELECTRONICS EXPRESS | 2022年 / 19卷 / 03期
关键词：
optical wireless power transmission; high optical power; near-infrared light; Si PV cell; power generation characteristics; TEMPERATURE-DEPENDENCE; PERFORMANCE;
D O I：
10.1587/elex.19.20210476
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Power generation characteristics of a Si PV cell under extremely high optical power near-infrared irradiation were investigated for use in optical wireless power transmission. We used high power LED light sources with 730 nm, 850 nm and 940 nm wavelengths and a condensing optics to realize 10-sun level extremely high optical power irradiation in the measurements. More than 0.22Welectrical powerwas generated from a 1 cm square Si heterojunction PV cell under about 1 W/cm(2) optical power irradiation. This is more than 10 times the power generation density of conventional Si solar panels. Estimated power conversion efficiencies under 10-sun power level near-infrared irradiation exceeded 22.5%, which indicate a potential for high-power wireless transmission with Si PV cells using near-infrared light.
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页数：6
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