Conversion efficiencies of single-junction III–V solar cells based on InGaP, GaAs, InGaAsP, and InGaAs for laser wireless power transmission

Jomen, Ryota; Tomita, Fumiaki; Toshiki, Akiba; Ikeda, Mari; Kiryu, Kosei; Mikiya, Matsushita; Maenaka, Hiroyasu; Dai, Pengcheng; Lu, Shulong; Uchida, Shiro

doi:10.7567/jjap.57.08rd12

Cited by 34 publications

(16 citation statements)

References 25 publications

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“…A PBL system using a S-PVLPC requires. A DC-DC converter [65][66][67] with typical efficiencies higher than 80%. However, the overall S-PVLPC/DC-DC efficiency is lower than that obtained by M-PVLPCs.…”

Section: Single Photovoltaic Laser Power Converters (S-pvlpcs)mentioning

confidence: 99%

Beaming power: Photovoltaic laser power converters for power-by-light

Algora

García

Delgado

et al. 2022

Joule

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Section: Single Photovoltaic Laser Power Converters (S-pvlpcs)mentioning

confidence: 99%

Beaming power: Photovoltaic laser power converters for power-by-light

Algora

García

Delgado

et al. 2022

Joule

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“…This is because the monochromatic light was used in the OWPT measurement and it is an advantage of OWPT. However, even in the case of monochromatic light, external quantum efficiency of the solar cell should be large at the applied monochromatic wavelength [14].…”

Section: Characterisation Of Power Transmissionmentioning

confidence: 99%

Optical wireless power transmission characteristics of surface appearance controlled solar cells using visible colour filters

Liu

Miyamoto

2021

The Journal of Engineering

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Optical wireless power transmission (OWPT) systems are attractive photonic systems based on light sources and solar cells. To improve the visual design of practical consumer applications, we applied visible colour filters to change the normal black appearance of solar cells. Different colours made by multilayer‐type filters on solar cells were investigated for control of visible colour with maintained power transmission efficiency. The surface colours seen by the eyes and standard cameras were controlled by the filter as expected from the filter spectral response. The electrical output characteristics of the solar cell covered with the filter were experimentally measured in order to confirm the OWPT performance. The results showed that the OWPT system can change colour appearance with an acceptable slight deterioration of performance.

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“…The experimental results show that the energy loss can be as high as 78%. The low efficiency of photovoltaic receivers greatly limits the practical applications of laser wireless energy transmission technology [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Design and Fabrication of Large-Size Powersphere for Wireless Energy Transmission via Laser

Pan

Zhang

et al. 2021

Photonics

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The powersphere is a device used for maximizing the conversion of light in wireless energy transmission via laser. It is a spherical structure made up of thousands of photovoltaic cells. Due to the large dimensions and existence of many holes in the spherical surface, there are some drawbacks in machining, such as limited movement space of the machines, long cycle, low precision, and high cost. In this context, with a powersphere irradiated by the laser as the model, the principle of powersphere is deduced theoretically. It is proven that the illuminance value at any position on the inner wall of the powersphere is equal, and the calculation formula of this value is derived. Based on this theory and the comparative analysis of processing methods and the results of processing experiments, the structure of the powersphere is designed. The experimental processing of the powersphere is carried out by selecting the welding method. Finally, two hemispherical powersphere frames are processed, which are connected by screws to form a ball frame for the installation of photovoltaic cells. The results show that the improved design and fabricating method can process the powersphere quickly, accurately, and economically. A comparative experiment of powersphere and photovoltaic panel was carried out. The experimental results show that the powersphere has the function of light uniformity and repeated use of laser. So, the designed and processed powersphere is consistent with the theoretical analysis.

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Conversion efficiencies of single-junction III–V solar cells based on InGaP, GaAs, InGaAsP, and InGaAs for laser wireless power transmission

Cited by 34 publications

References 25 publications

Beaming power: Photovoltaic laser power converters for power-by-light

Beaming power: Photovoltaic laser power converters for power-by-light

Optical wireless power transmission characteristics of surface appearance controlled solar cells using visible colour filters

Design and Fabrication of Large-Size Powersphere for Wireless Energy Transmission via Laser

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