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Sustainable Energy Technologies for Eco Cities and Environment—Papers from the 17th International Conference on Sustainable Energy Technologies (SET2018)

A special issue of Energies (ISSN 1996-1073).

Deadline for manuscript submissions: closed (31 January 2019) | Viewed by 18004

Special Issue Editor

Prof. Dr. Peter D. Lund

E-Mail Website
Guest Editor
Department of Applied Physics, School of Science, Aalto University, Aalto, FI-00076 Espoo, Finland
Interests: solar cells; fuel cells; nanocomposite materials; mixed oxides; semiconductor-ionic materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Cities and urban environments will play a key role in the clean energy transition and climate change mitigation, as the bulk of the energy demand, emissions, and environmental impact already originate from the cities. Due to urbanization, the role of the cities will increase in the future.

The 17th International Conference on Sustainable Energy Technologies (SET2018) and the 2018 Wuhan Forum of World-Renowned Scientists Lecturing in Hubei was held 21–23 August, 2018, in Wuhan, China. The theme of the Conference was Sustainable Energy Technologies for Eco Cities and Environment.

The SET2018 Conference focused on topics such as Energy Storage for the Age of Renewables; Research, Innovation and Commercialization in Sustainable Energy Technologies; Integrating planning and policy, architecture, engineering and economics; energy and environment; engineering thermophysics; and systemic change for cities.

High-quality papers from the SET2018 conference will be invited to submit follow-up articles extending the presented research in this Special Issue. More information about SET2018 is found at: http://set2018.org/.

The topical areas of interest include, but are not limited to:

  • Low-carbon/low-energy technologies
  • Solar energy
  • Wind energy
  • Geothermal energy
  • Ocean/tidal energy
  • Biomass systems
  • Biofuels
  • Building energy technologies and systems
  • Ventilation and air conditioning technologies
  • Energy and Exergy efficiency
  • Artificial photosynthesis
  • Gasification
  • Heat pump
  • Heating and cooling systems
  • Hydropower
  • Thermomagnetic conversion
  • Batteries
  • Carbon sequestration
  • Hydrogen and fuel cell technologies
  • Phase change materials (PCM)
  • Sustainable and resilient cities
  • Sustainable urban systems and infrastructure
  • Green and sustainable buildings and materials
  • Energy efficiency in buildings
  • Smart and responsive buildings
  • Smart grids
  • Energy demand and use optimization
  • Life cycle assessment
  • Waste management and recycling
  • Energy and environment policies
  • Energy and carbon savings incentive
  • Energy and environment security
  • Sustainable energy awareness, acceptance and take-up

Prof. Peter D. Lund
Guest Editor

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. Energies 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 2600 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.

Published Papers (3 papers)

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Research

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22 pages, 1993 KiB  
Article
Analyzing National and Local Pathways to Carbon-Neutrality from Technology, Emissions, and Resilience Perspectives—Case of Finland
by Sannamari Pilpola, Vahid Arabzadeh, Jani Mikkola and Peter D. Lund
Energies 2019, 12(5), 949; https://doi.org/10.3390/en12050949 - 12 Mar 2019
Cited by 57 | Viewed by 5837
Abstract
The Paris Climate Accord calls for urgent CO2 reductions. Here we investigate low and zero carbon pathways based on clean electricity and sector coupling. Effects from different spatialities are considered through city and national cases (Helsinki and Finland). The methodology employs techno-economic [...] Read more.
The Paris Climate Accord calls for urgent CO2 reductions. Here we investigate low and zero carbon pathways based on clean electricity and sector coupling. Effects from different spatialities are considered through city and national cases (Helsinki and Finland). The methodology employs techno-economic energy system optimization, including resilience aspects. In the Finnish case, wind, nuclear, and biomass coupled to power-to-heat and other flexibility measures could provide a cost-effective carbon-neutral pathway (annual costs −18%), but nuclear and wind are, to some extent, exclusionary. A (near) carbon-neutral energy system seems possible even without nuclear (−94% CO2). Zero-carbon energy production benefits from a stronger link to the broader electricity market albeit flexibility measures. On the city level, wind would not easily replace local combined heat and power (CHP), but may increase electricity export. In the Helsinki case, a business-as-usual approach could halve emissions and annual costs, while in a comprehensive zero-emission approach, the operating costs (OPEX) could decrease by 87%. Generally, electrification of heat production could be effective to reduce CO2. Low or zero carbon solutions have a positive impact on resilience, but in the heating sector this is more problematic, e.g., power outage and adequacy of supply during peak demand will require more attention when planning future carbon-free energy systems. Full article
(This article belongs to the Special Issue Sustainable Energy Technologies for Eco Cities and Environment—Papers from the 17th International Conference on Sustainable Energy Technologies (SET2018))
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11 pages, 1757 KiB  
Article
A Capacity Configuration Control Strategy to Alleviate Power Fluctuation of Hybrid Energy Storage System Based on Improved Particle Swarm Optimization
by Tiezhou Wu, Xiao Shi, Li Liao, Chuanjian Zhou, Hang Zhou and Yuehong Su
Energies 2019, 12(4), 642; https://doi.org/10.3390/en12040642 - 16 Feb 2019
Cited by 98 | Viewed by 4661
Abstract
In view of optimizing the configuration of each unit’s capacity for energy storage in the microgrid system, in order to ensure that the planned energy storage capacity can meet the reasonable operation of the microgrid’s control strategy, the power fluctuations during the grid-connected [...] Read more.
In view of optimizing the configuration of each unit’s capacity for energy storage in the microgrid system, in order to ensure that the planned energy storage capacity can meet the reasonable operation of the microgrid’s control strategy, the power fluctuations during the grid-connected operation of the microgrid are considered in the planning and The economic benefit of hybrid energy storage is quantified. A multi-objective function aiming at minimizing the power fluctuation on the DC bus in the microgrid and optimizing the capacity ratio of each energy storage system in the hybrid energy storage system (HESS) is established. The improved particle swarm algorithm (PSO) is used to solve the objective function, and the solution is applied to the microgrid experimental platform. By comparing the power fluctuations of the battery and the supercapacitor in the HESS, the power distribution is directly reflected. Comparing with the traditional mixed energy storage control strategy, it shows that the optimized hybrid energy storage control strategy can save 4.3% of the cost compared with the traditional hybrid energy storage control strategy, and the performance of the power fluctuation of the renewable energy is also improved. It proves that the proposed capacity configuration of the HESS has certain theoretical significance and practical application value. Full article
(This article belongs to the Special Issue Sustainable Energy Technologies for Eco Cities and Environment—Papers from the 17th International Conference on Sustainable Energy Technologies (SET2018))
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Review

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22 pages, 30385 KiB  
Review
Review of Heat Recovery Technologies for Building Applications
by Qi Xu, Saffa Riffat and Shihao Zhang
Energies 2019, 12(7), 1285; https://doi.org/10.3390/en12071285 - 03 Apr 2019
Cited by 32 | Viewed by 6978
Abstract
In recent years, interest in heat recovery systems for building applications has resurged due to concerns about the energy crisis and global climate changes. This review presents current developments in four kinds of heat recovery systems for residential building applications. A extensive investigation [...] Read more.
In recent years, interest in heat recovery systems for building applications has resurged due to concerns about the energy crisis and global climate changes. This review presents current developments in four kinds of heat recovery systems for residential building applications. A extensive investigation into the heat recovery integrated in energy-saving systems of residential buildings is also covered, including passive systems for building components, mechanical/natural ventilation systems, dehumidification systems, and the thermoelectric module (TE) system. Based on this review, key issues have been identified as follows: (1) The combination of heat recovery and energy-efficient systems could be considered as a promising approach to reduce greenhouse gas emissions and make residential buildings meet high performance and comfort requirements. However, real-life evaluation of these systems with economic analysis is insufficient; (2) When heat recovery is applied to mechanical ventilation systems, issues such as pressure leakages and air shortcuts should be addressed; (3) The heat pipe heat recovery system enjoys more potential in being combined with other sustainable technologies such as thermoelectric modules and solar energy systems due to its advantages, which include handy manufacturing and convenient maintenance, a lack of cross contamination, and greater thermal conductance. Full article
(This article belongs to the Special Issue Sustainable Energy Technologies for Eco Cities and Environment—Papers from the 17th International Conference on Sustainable Energy Technologies (SET2018))
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