Design and optimization of spectral beamsplitter for hybrid thermoelectric-photovoltaic concentrated solar energy devices

Skjølstrup, Enok Johannes Haard; Søndergaard, Thomas

doi:10.1016/j.solener.2016.09.036

Cited by 37 publications

(12 citation statements)

References 17 publications

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“…The SEE of the proposed system is analyzed considering the different powering architectures shown in Fig. 2, and depending on the PV efficiency (based on amorphous Silicon [33]), fiber attenuation and MUX/DEMUX losses. Wide bandgap materials with specific structure can be considered for higher quantum efficiency.…”

Section: Discussion and Scalability Analysismentioning

confidence: 99%

SI-POF Supporting Power-Over-Fiber in Multi-Gbit/s Transmission for In-Home Networks

Al-Zubaidi

Montero

Vázquez

2021

J. Lightwave Technol.

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We propose the integration of power-over-fiber (PoF) in home networks with multi Gbit/s data transmission based on wavelength-division-multiplexing (WDM) in step-index plastic optical fibers (SI-POF). Different powering architectures are described. The efficiencies of different components are discussed to address the maximum remote energy that can be delivered. Experimental results show the ability of the system to deliver several mW of optical power with negligible data signal quality degradation and with BER of 1×10-10. The potential of utilizing PoF in combination with low-loss WDM-POF to optically powering multiple devices for specific in-home applications and IoT ecosystems is discussed. A PoF scalability analysis is detailed.

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Section: Discussion and Scalability Analysismentioning

confidence: 99%

SI-POF Supporting Power-Over-Fiber in Multi-Gbit/s Transmission for In-Home Networks

Al-Zubaidi

Montero

Vázquez

2021

J. Lightwave Technol.

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“…7 Schematic of initial design. The first two layers from left represents MgF2 (orange) and SiO2 (dark green), respectively [32].…”

Section: Splitting Pv-te System Performancementioning

confidence: 99%

A review of solar photovoltaic-thermoelectric hybrid system for electricity generation

Shittu

Diallo

et al. 2018

Energy

215

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With the growing concerns about environmental pollution, climate change, and the global fossil energy crisis, research and development of renewable clean energies has received more attention. The sun as one of the renewable energy sources is the most potent source for human kind. This is because the solar radiation that reaches the Earth surface is about 1.2 × 10 5 TW, which is far greater than the energy consumed by humans [1,2].The most common way to utilize solar energy is to convert it into two easily harnessed forms; electricity and thermal energy. Apart from photovoltaic (PV) which can convert solar radiations to electricity directly, thermal energy also can be converted to electricity, and one promising method is utilizing the thermoelectric generator (TEG). Thermoelectric (TE) devices have many advantages such as gas-free emissions, solid-state operation, maintenance-free operation without any moving parts and chemical reactions, vast scalability, a long life span of reliable operation and no damage to the environment. Therefore, the combination of PV and TE could be considered to produce more electricity.Combining a photovoltaic module and a solar thermoelectric generator would enable photons outside the range of a particular solar cell's narrow absorption wavelength to be directed to the TE modules which generates electricity by the thermoelectric effect. Doing this would allow energy conversion efficiency to be increased while simultaneously reducing the heat dissipated by the PV module. This paper presents a detailed review of the current state of art in solar photovoltaic-thermoelectric hybrid system for electricity generation. It begins with the analysis of the groundwork and feasibility of PV-TE system. An overview of the two main types and Review

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“…Measurements of the halogen light spectrum reflected or transmitted by either hot mirror or cold mirror were carried out using a Mini USB spectrometer and with Spectragryph version 1.2.8 as optical spectroscopic software designed by Menges [17]. The working principle of combining PV-TEG above was explained by Skjolstrup et al [16] who used a beam splitter on the sloping position as a light spectrum separator, which transmits to TEG and reflects PV. However, they did not explain the reason for the placement of the PV module in the direction of the beam splitter and the TEG direction of light transmission, whereas Skjolstrup et al [16] referred to Ju et al [6] who placed the PV module in the direction of transmission and TEG direction of light reflection with the spectral beam splitter.…”

Section: Introductionmentioning

confidence: 99%

“…Cold and Hot Mirror slope angles were 45 o [15]. Slope angles (x) < 45 • and (x) > 45 • are not optimal to produce splitting of a light spectrum with a beam splitter [16]. The light spectrum, which is transmitted or reflected by the mirror, was measured using Spectragryph 1.2.8 application software [17].…”

Section: Introductionmentioning

confidence: 99%

The Characterization of a Spectrum Splitter of TechSpec AOI 50.0mm Square Hot and Cold Mirrors Using a Halogen Light for a Photovoltaic-Thermoelectric Generator Hybrid

et al. 2019

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The characterization of a spectrum splitter of both hot and cold mirror, type TechSpec AOI 50.0, using a 50-Watt halogen bulb light has been done. Both the bulb spectrum, prior to and after spectrum splitting, are described in this study to see the degradation of radiation that occurs because partial energy is absorbed by the splitter. This characterization plays an important role in determining the best position of a photovoltaic (PV) and thermoelectric generator (TEG) in a PV-TEG system. The light spectrum was recorded using mini USB spectrometer hardware and Spectragryph version 1.2.8 software as optical spectroscopic software that displays light records coming with wavelength (nm) on the x-axis and light spectrum intensity in arbitrary units (a.u.) on the y-axis. The measurement results show that the light intensity in the visible light region (300–750) nm is more dominant than the intensity in infrared light (>750 nm), so that the PV placement is preferred over TEG. Furthermore, with a cold mirror, PV is more suitable if placed in a position to receive reflected light, while using a hot mirror is more suitable in the position transmitted light. For TEG, it is placed in a position opposite to PV. As a result, the maximum intensity of the PV light spectrum with cold mirrors is 46.52 a.u at a wavelength of 479.6 nm, while with hot mirrors it is 42.07 a.u with a 457.6 nm wavelength. It can be concluded that the value of the light intensity with a cold mirror is better than that with a hot mirror on the visible light (Vis) spectrum, and the current and voltage are equivalent to the results of the radiation energy area. It was proven that the maximum total output of a hybrid PV-TEG system with Cold Mirror is greater than that with Hot Mirror (100.53 > 68.77) × 10−3 µW. Based on the result of this study, it is recommended that further research can be conducted to increase radiation energy and output power in TEG.

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Design and optimization of spectral beamsplitter for hybrid thermoelectric-photovoltaic concentrated solar energy devices

Cited by 37 publications

References 17 publications

SI-POF Supporting Power-Over-Fiber in Multi-Gbit/s Transmission for In-Home Networks

SI-POF Supporting Power-Over-Fiber in Multi-Gbit/s Transmission for In-Home Networks

A review of solar photovoltaic-thermoelectric hybrid system for electricity generation

The Characterization of a Spectrum Splitter of TechSpec AOI 50.0mm Square Hot and Cold Mirrors Using a Halogen Light for a Photovoltaic-Thermoelectric Generator Hybrid

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