Scalable solar thermoelectrics and photovoltaics (SUNTRAP)

Sweet, Tracy; Rolley, Matthew; Min, Gao; Knox, Andrew R.; Gregory, Duncan H.; Paul, Douglas J.; Paul, Manosh C.; Montecucco, Andrea; Siviter, Jonathan; Mullen, P.; Ashraf, Ali; Li, Wenguan; Mallick, Tapas K.; Meng, Xian Long; Freer, Robert; Azough, Feridoon; Férnández, Eduardo F.

doi:10.1063/1.4962105

Cited by 7 publications

(5 citation statements)

References 17 publications

(17 reference statements)

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“…The design and preliminary validation of the reproducible receiver ALPHA published in 2016 [8], is shown in Fig 1(a). The receiver was further developed in iterative stages at Cardiff University.…”

Section: Resultsmentioning

confidence: 99%

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Novel hybrid III:V concentrator photovoltaic-thermoelectric receiver designs

Sweet¹,

Rolley²,

Prest³

et al. 2017

AIP Conference Proceedings

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Abstract. This paper presents the design, manufacture and electrical characterization of novel hybrid III:V Concentrator Photovoltaic-Thermoelectric receivers. Addition of an encapsulating and spectral homogenizing single active surface secondary optic lens increased the solar cell electrical power output from 7.66mW (ALPHA no cooling) to 18.20mW (KAPPA with TE cooling). The effective optical concentration of the optics, based on short circuit current, was x2.4. A linear irradiance vs maximum power receiver output relationship was observed (R 2 =0.9978), confirming good optical alignment during manufacture and likewise internal current matching of the series-connected triple-junction cell. An indepth COMSOL model for simulated evaluation of the synergistic thermally-dependent parameters inherent to hybrid devices was built and experimentally validated.

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Section: Resultsmentioning

confidence: 99%

“…Thermoelectric I-V and T-V data was obtained experimentally at Cardiff using ALPHA within the same solar simulator setup described [8]. The results of the simulated 1-sun steady state operation are summarized in Figure 4 (a).…”

Section: Simulation Resultsmentioning

confidence: 99%

Novel hybrid III:V concentrator photovoltaic-thermoelectric receiver designs

Sweet¹,

Rolley²,

Prest³

et al. 2017

AIP Conference Proceedings

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“…Preliminary work has investigated these devices with photovoltaic technologies such as GaAs cells [12], organic-based solar cells [13,14], and monocrystalline silicon cells [15]. Likewise, theoretical and numerical simulations exist for multi-junction CPV-TE hybrids [16,17], but experimental realisations of these devices are scarce [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

Photovoltaic–thermoelectric temperature control using a closed‐loop integrated cooler

Rolley

Sweet

Min

2018

IET Optoelectronics

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The Closed-Loop Integrated Cooler (CLIC) is a novel technique deployed on experimental apparatus to accurately measure, monitor and control the temperature of optoelectronic devices. Demonstrated here within a Concentrator Photovoltaic-Thermoelectric (CPV-TE) hybrid device, the thermoelectric module was used as a solid state sensor and heat pump in order to control the operational temperature for a triple-junction solar cell. The technique was used to achieve stable, reproducible and repeatable Standard Test Conditions (STC) of 25 o C cell temperature, with 1000W/m 2 irradiance and AM1.5G spectrum. During testing with Secondary Optical Element (SOE) optics in a solar simulator, the CLIC enabled accurate temperature control of the CPV cell. This would otherwise be unfeasible due to the spectral, reflective and diffusive effects of the SOE optics. The CLIC was used to obtain temporal and spatial constant temperature of the CPV-TE hybrid receiver during Current-Voltage measurement. This method highlights the future potential of the CLIC for accurate temperature control of optoelectronic devices both during testing and in future semiconductor device applications where temperature control is essential to performance or lifetime.

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“…In passive cooling configurations, no additional power input is necessary for system operation. On the one hand, the waste heat can be utilized as a source of electricity by inserting thermoelectric (TE) devices between the solar cells and the heat sink [3][4][5][6][7]. In this paper, we have explored high concentration solar energy conversion by assembling the hybrid PV and TE modules.…”

Section: Introductionmentioning

confidence: 99%