The comparison study between different battery and channel of the LCPV/T systems under concentration ratio 4

The PV/T (photovoltaic/thermal) system is an efficient method for the comprehensive utilization of solar energy resources. In this paper, a variety of integrated methods of LCPV/T (low concentration photovoltaic/thermal) with compound parabolic concentrator are proposed, and a comparative study was...

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Bibliographic Details
Published in:Energy (Oxford) 2020-01, Vol.191, p.116492, Article 116492
Main Authors: Kai, Liang, Heng, Zhang, Haiping, Chen, Jiguang, Huang, Xinxin, Guo
Format: Article
Language:English
Subjects:
Aluminum
Comparative studies
Comparative study
Concentrators
Energy resources
Energy sources
Glass
Heat pipe
Heat pipes
Modules
Monocrystalline silicon battery
Photovoltaic cells
Photovoltaics
PV/T
Rechargeable batteries
Solar energy
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Summary:The PV/T (photovoltaic/thermal) system is an efficient method for the comprehensive utilization of solar energy resources. In this paper, a variety of integrated methods of LCPV/T (low concentration photovoltaic/thermal) with compound parabolic concentrator are proposed, and a comparative study was conducted under the same experimental conditions. The design used in this paper focused in two directions: battery and flow channel. In battery direction, this paper changes the physics structure of the battery to improve the electrical efficiency under low concentration. In channel types, three kinds of channel including the aluminum channel, glass channel, and heat pipe module are proposed and analyzed. According to the experimental results, the electrical efficiency of slice battery improved by 8–10% compared to those of ordinary silicon battery under low concentration; aluminum channel showed excellent comprehensive performance, while glass channel exhibited outstanding thermal performance with the expense of some electrical performance, and heat pipe module owned the most uniformity of component’s temperature. All the three designs showed strong specificity in selection. •The outdoor experiment is established for testing different PV/T module.•The slicing crystalline silicon battery is presented and explored.•Three types of cooling channel are analyzed under the similar experimental condition.•This paper provides important comment for engineering application of PV/T.
ISSN:0360-5442
1873-6785
DOI:10.1016/j.energy.2019.116492