Impact and recent approaches of high-efficiency solar cell modules for PV-powered vehicles

Yamaguchi, Masafumi; Masuda, Taizo; Araki, Kiyomichi; Ota, Yasuyuki; Nishioka, Kensuke

doi:10.35848/1347-4065/ac461b

Cited by 12 publications

(6 citation statements)

References 39 publications

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“…Here, the driving distance of VIPV-EV in the major cities in Japan as a result of the usage of air conditioner was analyzed by using Equation ( 4) and (5).…”

Section: Estimation Of Driving Distance Of Vipv-ev Under Usage Of Air...mentioning

confidence: 99%

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Analysis of Climate Conditions upon Driving Distance of Vehicle Integrated Photovoltaics‐Powered Vehicles

Yamaguchi,

Nakamura,

Ozaki

et al. 2023

Energy Tech

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The development of the vehicles powered by photovoltaic (PV) is desirable and very important for reducing CO2 emissions from the transport sector to realize a decarbonized society. Although long‐distance driving of vehicle‐integrated PV (VIPV)‐powered vehicles without electricity charging is expected in sunny regions, driving distance of VIPV‐powered vehicles is affected by climate conditions such as solar irradiation and outside temperature, and the power consumption of the air conditioners. In this article, analytical results for system efficiency of VIPV‐powered vehicles and the effects of usage of air conditioner are presented by using power losses estimated from the electric mileage by using the driving distance data for Toyota Prius and Nissan Van demonstration cars installed with high‐efficiency InGaP/GaAs/InGaAs three‐junction solar cell modules with a module efficiency of more than 30%. The potential of VIPV‐powered vehicles to be deployed in major cities in Japan and the world is also analyzed. Mild weather cities such as Miyazaki in Japan and Sydney in Australia are thought to have longer driving range even under usage of air conditioners. The other power losses for the VIPV such as temperature rise of VIPV modules and partial shading estimate the previous data and some reference as well as effects of usage of air‐conditioners are also discussed in this article.

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“…Here, the driving distance of VIPV-EV in the major cities in Japan as a result of the usage of air conditioner was analyzed by using Equation ( 4) and (5).…”

Section: Estimation Of Driving Distance Of Vipv-ev Under Usage Of Air...mentioning

confidence: 99%

“…Developing a vehicle powered by an on‐board photovoltaics (PV) module [ 1–9 ] is desirable and essential for reducing CO 2 emissions. In our previous paper, the Toyota Prius demonstration car has shown a 36.6 km day −1 PV‐powered driving range at solar irradiation of 6.2 kWh m −2 day −1 .…”

Section: Introductionmentioning

confidence: 99%

Analysis of Climate Conditions upon Driving Distance of Vehicle Integrated Photovoltaics‐Powered Vehicles

Yamaguchi,

Nakamura,

Ozaki

et al. 2023

Energy Tech

Self Cite

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show abstract

“…Photovoltaics (PVs) are the most widely utilized renewable energy source, [ 3,4 ] and their performance has been proven over several decades. The implementation range of PVs has expanded from traditional PV power plants [ 5,6 ] and rooftop installations [ 7,8 ] to integration into various urban environments, buildings, [ 9,10 ] and vehicles, [ 11–13 ] including indoor energy harvesting for edge computing. [ 14–16 ] With the expansion of their application fields, PVs have become more complex.…”

Section: Introductionmentioning

confidence: 99%

“…integration into various urban environments, buildings, [9,10] and vehicles, [11][12][13] including indoor energy harvesting for edge computing. [14][15][16] With the expansion of their application fields, PVs have become more complex.…”

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confidence: 99%

Honeycomb‐Structured 3D Concave Photovoltaic Modules Supported by 3D Mechanical Metamaterials for Enhanced Light Recapture

Yun

Sim

Lee

et al. 2022

Adv Materials Technologies

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For a policy of 100% renewable energy, most renewable‐energy research is aimed at decarbonization; particular emphasis is being placed on increasing the portion of electricity generated by photovoltaics (PVs). As the application fields of PVs broadens from PV power plants and rooftop to various urban environments, achieving high energy yields requires expansion beyond current PV module structures. To satisfy these demands, honeycomb‐structured PV modules with incorporated mechanical metamaterials are proposed, to overcome the aforementioned problems associated with the limited mechanical properties of PVs, and to advance the development of 3D PV modules with enhanced energy yield. The honeycomb structures provide 28% greater power compared with flat cells by utilizing extra reflected or scattered light inside a 3D tetrahedron structure. For mechanical robustness, the 3D concave tetrahedron units are supported by a 3D‐structured mechanical metamaterial that exhibits a negative Poisson's ratio and is arranged in a 3D pattern.

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“…[1][2][3] SHJ solar cells have a lower temperature coefficient than conventional homojunction crystalline silicon (c-Si) solar cells, and have been attracting attention for outdoor and mobile applications. [4][5][6] In SHJ solar cells, an intrinsic hydrogenated amorphous silicon layer (a-Si:H(i)) is used as a passivation layer for crystalline silicon substrate, and an n-or ptype hydrogenated amorphous silicon layer (a-Si:H(n, p)) is used as a carrier-selective layer. The key feature of the high performance SHJ solar cells is the high passivation properties of a-Si:H. 7,8 a-Si:H is widely known as one of the most ideal materials for c-Si surface passivation, deposited by plasma enhanced chemical vapor deposition (PECVD) or hot wire CVD (HWCVD).…”

mentioning

confidence: 99%

Evaluation of Damage in Crystalline Silicon Substrate Induced by Plasma Enhanced Chemical Vapor Deposition of Amorphous Silicon Films

Kojima¹,

Nishihara²,

Gotoh³

et al. 2023

ECS J. Solid State Sci. Technol.

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We evaluated damage to crystalline silicon (c-Si) induced by plasma-enhanced chemical vapor deposition (PECVD) of hydrogenated amorphous silicon (a-Si:H). The damaged layer +-on the c-Si surface under the a-Si:H film was evaluated by lifetime measurements using the photoconductance method in conjunction with step etching. This damaged layer is approximately 2.8 nm and did not disappear by annealing at 200°C for 30 minutes in the air atmosphere. The image from cross-sectional transmission electron microscope observation also shows an area of contrast on the c-Si surface approximately 2.8 nm thick, which appears to be a damaged layer. Photoluminescence measurements revealed that this damage is a non-luminescent defect. We verified that the difference in H2 flow rate during the a-Si:H deposition has an effect on the depth of the damage penetration into the c-Si. We concluded that the H atom is the main cause of the damage introduced into c-Si during a-Si:H deposition by PECVD.

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Impact and recent approaches of high-efficiency solar cell modules for PV-powered vehicles

Cited by 12 publications

References 39 publications

Analysis of Climate Conditions upon Driving Distance of Vehicle Integrated Photovoltaics‐Powered Vehicles

Analysis of Climate Conditions upon Driving Distance of Vehicle Integrated Photovoltaics‐Powered Vehicles

Honeycomb‐Structured 3D Concave Photovoltaic Modules Supported by 3D Mechanical Metamaterials for Enhanced Light Recapture

Evaluation of Damage in Crystalline Silicon Substrate Induced by Plasma Enhanced Chemical Vapor Deposition of Amorphous Silicon Films

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