Micro-Prism Spectrum Splitting Optics for Lateral-Arrayed Multi Junction Micro CPV

Li, Duanhui; Gu, Tian; Michel, Jürgen; Hu, Juejun

doi:10.1109/pvsc40753.2019.8980827

Cited by 2 publications

(4 citation statements)

References 8 publications

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“…[ 86 ] As with chiplet printing, this approach can also be used for the assembly of multiple devices close to each other with high precision. This is shown for the laterally arrayed micro‐cells in conjunction with spectral splitting optics developed by MIT [ 87,88 ] seen in Figure 8B.…”

Section: New Enabling Technologies For Micro Cpvmentioning

confidence: 88%

Section: New Enabling Technologies For Micro Cpvmentioning

confidence: 99%

Section: Spectral Splittingmentioning

confidence: 99%

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Integrated Micro‐Scale Concentrating Photovoltaics: A Scalable Path Toward High‐Efficiency, Low‐Cost Solar Power

Jost

Juejun

et al. 2023

Solar RRL

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The global energy market is seeing increases in the electricity demand of a couple of percentage points annually. The photovoltaic (PV) industry is also growing rapidly every year. One of the PV technologies is concentrator photovoltaics (CPV). CPV uses high‐efficiency multijunction solar cells and optics to concentrate sunlight, thereby significantly reducing the amount of semiconductor material needed. Yet, due to the high upfont manufacturing cost of CPV, it currently does not offer a competitive price against silicon PV. With this a new branch is introduced to the industry, micro‐CPV, which can be broadly explained as the miniaturization of the solar cells and optical components. The motivation for micro‐CPV is lowering the cost by decreasing the material volume and enabling new system architectures and high‐throughput manufacturing methods, while still maintaining high electrical efficiencies, taking advantage of a lower thermal load, shorter optical paths, lower resistive losses, and lower material volumes. Herein, a comprehensive review of the technological advances is presented, key synergies between micro‐CPV and other industries sharing similar challenges are identified, exemplified by micro‐light emitting diodes display manufacturing. New assembly process development in these industries will facilitate commercial adoption of micro‐CPV with continued miniaturization while driving down the cost.

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Section: New Enabling Technologies For Micro Cpvmentioning

confidence: 88%

Section: New Enabling Technologies For Micro Cpvmentioning

confidence: 99%

See 1 more Smart Citation

Integrated Micro‐Scale Concentrating Photovoltaics: A Scalable Path Toward High‐Efficiency, Low‐Cost Solar Power

Jost

Juejun

et al. 2023

Solar RRL

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“…Accordingly, the beam radiation was split depending on its frequency so that various photovoltaic cells with different band gaps could generate electricity independently at each band. Another micro‐prism‐based design was suggested by Li et al., [ 55 ] as shown in Figure . This model was designed based on a micro‐prism.…”

Section: Spectrum Splitting Techniquesmentioning

confidence: 99%

Adaptation of the Solar Spectrum to Improve the use of Sunlight: A Critical Review on Techniques, Applications, and Current Trends

Kandil

Salem

Awad

et al. 2023

Advanced Sustainable Systems

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Photovoltaic (PV) cells are one of the most common devices to harvest solar radiation and convert it into usable electrical power. However, normal silicone‐based photovoltaic cells work best within the visible light region. Conventional PV panels can use 15–30% of the total energy received, while the remainder is reflected or converted into waste heat. Not only do other wavelengths have lower conversion efficiencies, but they may also increase the cell surface temperature and decrease its overall efficiency. To solve this problem, spectral beam splitting is a potential approach for converting solar energy efficiently. Even though spectral‐splitting systems have high theoretical conversion efficiencies, they have not yet reached the commercial level. The current study describes the advancements in beam‐splitting systems based on thermal PV cells, multijunction cells, nano‐film, conventional, and nanofluids over the last decade. The mechanisms of various splitting system techniques and several hybrid applications are thoroughly discussed in order to provide a comprehensive understanding of solar energy utilization and the considerations influencing system efficiency. Even though the cost increase can be offset by the increased energy conversion efficiency and controlled wavelengths, the system's stability must be addressed for future practical applications.

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Micro-Prism Spectrum Splitting Optics for Lateral-Arrayed Multi Junction Micro CPV

Cited by 2 publications

References 8 publications

Integrated Micro‐Scale Concentrating Photovoltaics: A Scalable Path Toward High‐Efficiency, Low‐Cost Solar Power

Integrated Micro‐Scale Concentrating Photovoltaics: A Scalable Path Toward High‐Efficiency, Low‐Cost Solar Power

Adaptation of the Solar Spectrum to Improve the use of Sunlight: A Critical Review on Techniques, Applications, and Current Trends

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