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.

引用

页数：6

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