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Research Advances in Building-Integrated Photovoltaics and Its Integration with Other Energy Systems

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Green Building".

Deadline for manuscript submissions: closed (30 September 2023) | Viewed by 2020

Special Issue Editors


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Guest Editor
Department of Building Environment and Energy Application Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: PV; solar energy; thermal storage; near zero-energy buildings
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
1. College of Civil Engineering, Hunan University, Changsha 410082, China
2. Key Laboratory of Building Safety and Energy Efficiency of Ministry of Education, Hunan University, Changsha 410082, China
Interests: renewable energy; building energy saving; energy simulation and modeling

E-Mail Website
Guest Editor
School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Interests: PV; solar energy; thermal storage; near zero-energy buildings
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

According to the report and data released from International Energy Agency (IEA), more than 30% of global energy is consumed by buildings, which has become a great incentive to reduce building energy consumption. Meanwhile, national energy reports by each country have also confirmed a similar percentage value for energy consumption in the building sector. Due to the calling for carbon neutrality in many national plans, it is also imperative to consider the contribution of new solutions for building carbon reduction.

Facing the energy issues in building sector, Building-Integrated Photovoltaics (BIPV) is seen as an efficient means of producing renewable energy on-site while simultaneously meeting architectural requirements and providing one or more functions of the building envelope. BIPV refers to photovoltaic modules and systems that can replace conventional building components, which is different from BAPV (Building-Applied Photovoltaics), so they have to fulfill both electrical and building requirements for safety and performance. Any new and effective technology advances in BIPV can facilitate building energy reduction and are conductive to carbon neutrality in building sector.

This Special Issue will focus on two components: one is targeted study improving BIPV systems and proposing new BIPV systems, while another is an extended study on linking BIPV with many other relevant energy systems such as Integrated Energy Systems, Data Centers with PV supply, larger-scale energy storage with integration of BIPV, etc. Both of these aspects should be deepened and supported by in-depth numerical simulations; experimental tests, design, and optimizations; demonstrations; case studies; etc. There are no limits to research methods, but it is required that new advances in system efficiency and environmental benefit are presented.

Based on the two major aspects discussed above, some specific themes include, but are not limited to,

  •  New BIPV envelopes, including window, wall or roof;
  • New materials for BIPV;
  • Model advances for complex BIPV;
  • BIPV with PCM;
  • Design and optimization BIPV methods;
  • BIPV with integrated energy systems;
  • BIPV for data centers;
  • BIPV for large-scale energy-storage systems;
  • Other BIPV-related investigations

We look forward to receiving your contributions.

Dr. Yongqiang Luo
Dr. Zhongbing Liu
Dr. Zhiyong Tian
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • BIPV
  • numerical simulation
  • system optimization
  • experimental study
  • multi-energy system
  • building energy performance

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Published Papers (1 paper)

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Research

33 pages, 10432 KiB  
Article
Performance Evaluation and Optimum Design of Ventilation Roofs with Different Positions of Shape-Stabilized PCM
by Jinghua Yu, Hongyun Yang, Junwei Tao, Jingang Zhao and Yongqiang Luo
Sustainability 2023, 15(11), 8721; https://doi.org/10.3390/su15118721 - 29 May 2023
Cited by 3 | Viewed by 1425
Abstract
Environmental pollution and energy shortages have become increasingly prominent. Building energy conservation is an important part of a low-carbon strategy. Integrating phase change material (PCM) into a building’s roof is effective in altering the space cooling load, however less effective in reducing it. [...] Read more.
Environmental pollution and energy shortages have become increasingly prominent. Building energy conservation is an important part of a low-carbon strategy. Integrating phase change material (PCM) into a building’s roof is effective in altering the space cooling load, however less effective in reducing it. To reduce the cooling load, a novel ventilation roof with shape-stabilized PCM (VRSP) is introduced. The mechanical ventilation is used at night by embedding ducts in the roof to remove the solidification heat of the PCM. To identify the best position of PCM and an optimum design, the thermal performances of three kinds of VRSPs were compared and investigated through CFD simulation: ventilation roofs with outer-layer shape-stabilized PCM (VRSPO), middle-layer shape-stabilized PCM (VRSPM) and inner-layer shape-stabilized PCM (VRSPI). The effects of PCM and ventilation parameters on the thermal performance of three roofs were analyzed on a typical design day in summer in Wuhan. The results show that for VRSPO, VRSPM and VRSPI, the proper thicknesses of PCM are 35 mm, 25 mm and 15 mm; melting temperatures are 35~37 °C, 33~35 °C and 29~31 °C, respectively; the proper ventilation speeds are 2.5~2.6 m/s; and the optimum cavity radii are all 40 mm. The best performance can be obtained by placing PCM on the outer layer. The PCM of VRSPO has the highest number of days in which the phase change process occurs (specifically, 75 days in the summer). The application of VRSP can effectively reduce the internal surface temperature of the roof, by an average of 1.77 °C. The maximum and average inner surface temperatures of VRSPO in different weather conditions can be calculated using the daily average outdoor sol-air temperature or average dry bulb temperature by fitting equations. The structure can be used as a passive and active envelope in areas with hot and long summers. Full article
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