Performance study of solar photovoltaic-thermal collector for domestic hot water use and thermochemical sorption seasonal storage

Thinsurat, Kamon; Bao, Huashan; Ma, Zhiwei; Roskilly, Anthony Paul

doi:10.1016/j.enconman.2018.11.049

Cited by 42 publications

(13 citation statements)

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“…Thus, it was advised to connect the system to additional heat consumer-like seasonal heat storage. Thinsurat et al [100] have numerically evaluated the feasibility of the PVT integrated into thermochemical sorption using the working pair of SrCl 2 -NH 3 seasonal energy storage via ANSYS. A detailed model of the one-diode model was presented to predict the electricity and thermal energy under different weather conditions using MATLAB.…”

Section: Water-based Pvt Systemsmentioning

confidence: 99%

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A Review of Photovoltaic Thermal (PVT) Technology for Residential Applications: Performance Indicators, Progress, and Opportunities

et al. 2021

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Solar energy has been one of the accessible and affordable renewable energy technologies for the last few decades. Photovoltaics and solar thermal collectors are mature technologies to harness solar energy. However, the efficiency of photovoltaics decays at increased operating temperatures, and solar thermal collectors suffer from low exergy. Furthermore, along with several financial, structural, technical and socio-cultural barriers, the limited shadow-free space on building rooftops has significantly affected the adoption of solar energy. Thus, Photovoltaic Thermal (PVT) collectors that combine the advantages of photovoltaic cells and solar thermal collector into a single system have been developed. This study gives an extensive review of different PVT systems for residential applications, their performance indicators, progress, limitations and research opportunities. The literature review indicated that PVT systems used air, water, bi-fluids, nanofluids, refrigerants and phase-change material as the cooling medium and are sometimes integrated with heat pumps and seasonal energy storage. The overall efficiency of a PVT system reached up to 81% depending upon the system design and environmental conditions, and there is generally a trade-off between thermal and electrical efficiency. The review also highlights future research prospects in areas such as materials for PVT collector design, long-term reliability experiments, multi-objective design optimisation, techno-exergo-economics and photovoltaic recycling.

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Section: Water-based Pvt Systemsmentioning

confidence: 99%

“…16. Standalone solar energy systems also involve integrating the PVT with seasonal energy storage systems [100]. These systems are very useful where the grid connection is not feasible or returns on the sale of energy are not competitive.…”

mentioning

confidence: 99%

A Review of Photovoltaic Thermal (PVT) Technology for Residential Applications: Performance Indicators, Progress, and Opportunities

et al. 2021

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“…Thinsurat et al [17] proposed a water-based PV/T system integrated with thermal storage units of thermochemical sorption, which could serve as a sole hot water supplier for a typical household in an entire year. The proposed system could also achieve an electric efficiency of 13% and reduce the annual consumption of electricity to half at least.…”

Section: Introductionmentioning

confidence: 99%

Numerical study on energy and exergy performances of a microencapsulated phase change material slurry based photovoltaic/thermal module

Romagnoli

Yang

et al. 2019

Energy Conversion and Management

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Link to publication on Research at Birmingham portal General rights Unless a licence is specified above, all rights (including copyright and moral rights) in this document are retained by the authors and/or the copyright holders. The express permission of the copyright holder must be obtained for any use of this material other than for purposes permitted by law. • Users may freely distribute the URL that is used to identify this publication. • Users may download and/or print one copy of the publication from the University of Birmingham research portal for the purpose of private study or non-commercial research. • User may use extracts from the document in line with the concept of 'fair dealing' under the Copyright, Designs and Patents Act 1988 (?) • Users may not further distribute the material nor use it for the purposes of commercial gain. Where a licence is displayed above, please note the terms and conditions of the licence govern your use of this document. When citing, please reference the published version. Take down policy While the University of Birmingham exercises care and attention in making items available there are rare occasions when an item has been uploaded in error or has been deemed to be commercially or otherwise sensitive.

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“…Due to its high energy density and low heat loss, the sorption-based heat storage TCES system has gained substantial consideration [33]. This reversible energy storage mechanism is commonly referred to as the process of charging for energy storage and discharging for the use of the stored energy.…”

mentioning

confidence: 99%

Survey Summary on Salts Hydrates and Composites Used in Thermochemical Sorption Heat Storage: A Review

Zbair

Bennici

2021

Energies

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To improve the proficiency of energy systems in addition to increasing the usage of renewable energies, thermal energy storage (TES) is a strategic path. The present literature review reports an overview of the recent advancements in the utilization of salt hydrates (single or binary mixtures) and composites as sorbents for sorption heat storage. Starting by introducing various heat storage systems, the operating concept of the adsorption TES was clarified and contrasted to other technologies. Consequently, a deep examination and crucial problems related to the different types of salt hydrates and adsorbents were performed. Recent advances in the composite materials used in sorption heat storage were also reviewed and compared. A deep discussion related to safety, price, availability, and hydrothermal stability issues is reported. Salt hydrates display high theoretical energy densities, which are promising materials in TES. However, they show a number of drawbacks for use in the basic state including low temperature overhydration and deliquescence (e.g., MgCl2), high temperature degradation, sluggish kinetics leading to a low temperature rise (e.g., MgSO4), corrosiveness and toxicity (e.g., Na2S), and low mass transport due to the material macrostructure. The biggest advantage of adsorption materials is that they are more hydrothermally stable. However, since adsorption is the most common sorption phenomenon, such materials have a lower energy content. Furthermore, when compared to salt hydrates, they have higher prices per mass, which reduces their appeal even further when combined with lower energy densities. Economies of scale and the optimization of manufacturing processes may help cut costs. Among the zeolites, Zeolite 13X is among the most promising. Temperature lifts of 35–45 °C were reached in lab-scale reactors and micro-scale experiments under the device operating settings. Although the key disadvantage is an excessively high desorption temperature, which is problematic to attain using heat sources, for instance, solar thermal collectors. To increase the energy densities and enhance the stability of adsorbents, composite materials have been examined to ameliorate the stability and to achieve suitable energy densities. Based on the reviewed materials, MgSO4 has been identified as the most promising salt; it presents a higher energy density compared to other salts and can be impregnated in a porous matrix to prepare composites in order to overcome the drawbacks connected to its use as pure salt. However, due to pore volume reduction, potential deliquescence and salt leakage from the composite as well as degradation, issues with heat and mass transport can still exist. In addition, to increase the kinetics, stability, and energy density, the use of binary salt deposited in a porous matrix is suitable. Nevertheless, this solution should take into account the deliquescence, safety, and cost of the selected salts. Therefore, binary systems can be the solution to design innovative materials with predetermined sorption properties adapted to particular sorption heat storage cycles. Finally, working condition, desorption temperature, material costs, lifetime, and reparation, among others, are the essential point for commercial competitiveness. High material costs and desorption temperatures, combined with lower energy densities under normal device operating conditions, decrease their market attractiveness. As a result, the introduction of performance metrics within the scientific community and the use of economic features on a material scale are suggested.

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Performance study of solar photovoltaic-thermal collector for domestic hot water use and thermochemical sorption seasonal storage

Cited by 42 publications

References 58 publications

A Review of Photovoltaic Thermal (PVT) Technology for Residential Applications: Performance Indicators, Progress, and Opportunities

A Review of Photovoltaic Thermal (PVT) Technology for Residential Applications: Performance Indicators, Progress, and Opportunities

Numerical study on energy and exergy performances of a microencapsulated phase change material slurry based photovoltaic/thermal module

Survey Summary on Salts Hydrates and Composites Used in Thermochemical Sorption Heat Storage: A Review

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