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Energies, Volume 15, Issue 7

April-1 2022 - 407 articles

Cover Story: As the energy crisis goes on and carbon-neutral goals are established, the exploration of new green energy production routes is becoming a necessity. Therefore, quantum dot photovoltaic devices (solar cells) are entering the spotlight as a novel 3rd-generation solar cell. Like other semiconductor devices, quantum dot solar cells also need to be properly doped in order to achieve a high performance. Scientists have been using various techniques to tune the doping of colloidal quantum dots, such as synthesis, stoichiometry tuning, post-treatment ion exchange, remote doping, and ligand exchange. The resulting doped quantum dots will alter the band structure and accomplish band alignment, extended depletion region, and homo/heterojunctions to effectively retrieve carriers. View this paper
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Articles (407)

  • Article
  • Open Access
43 Citations
10,074 Views
16 Pages

Environmental Impact Analysis of Portland Cement (CEM1) Using the Midpoint Method

  • Oluwafemi E. Ige,
  • Oludolapo A. Olanrewaju,
  • Kevin J. Duffy and
  • Obiora C. Collins

6 April 2022

The cement industry confronts significant challenges in raw materials, energy demands, and CO2 emissions reduction, which are global and local environmental concerns. Life cycle assessment (LCA) has been used in many studies to assess the environment...

  • Article
  • Open Access
7 Citations
2,575 Views
21 Pages

6 April 2022

The accuracy of the intelligent diagnosis of rolling bearings depends on the quality of its vibration data and the accuracy of the state identification model constructed accordingly. Aiming at the problem of “poor quality” of data and &ld...

  • Article
  • Open Access
10 Citations
2,794 Views
16 Pages

6 April 2022

With the large-scale volatility and uncertainty of the centralized grid connection of wind power, the dimensionality disaster problem of wind farm cluster (WFC) scheduling optimization calculation becomes more and more significant. In view of these c...

  • Article
  • Open Access
28 Citations
7,477 Views
20 Pages

6 April 2022

Changing asset ownership models in the energy sector is spurring established companies and startups to implement customer-centric smart services. In this sense, startups are pioneers of innovative business models, and unbundle the energy value chain...

  • Article
  • Open Access
9 Citations
2,818 Views
16 Pages

Fuel Cell Electrical Vehicles as Mobile Coupled Heat and Power Backup-Plant in Neighbourhoods

  • Tobias Tiedemann,
  • Michael Kroener,
  • Martin Vehse and
  • Carsten Agert

6 April 2022

Fuel cell electric vehicles (FCEVs) can be used during idle times to convert hydrogen into electricity in a decentralised manner, thus ensuring a completely renewable energy supply. In addition to the electric power, waste heat is generated in the fu...

  • Article
  • Open Access
26 Citations
23,777 Views
17 Pages

6 April 2022

This work includes calculations of the cumulative CO2 emissions of two comparable cars—the VW Golf VII—one with a combustion engine and the other with an electric motor. Calculation of CO2 emissions was performed, taking into account the...

  • Article
  • Open Access
29 Citations
7,635 Views
31 Pages

Smart Energy Management System: Design of a Smart Grid Test Bench for Educational Purposes

  • Oussama Laayati,
  • Hicham El Hadraoui,
  • Nasr Guennoui,
  • Mostafa Bouzi and
  • Ahmed Chebak

6 April 2022

The presented article aims to design an educational test bench setup for smart grids and renewable energies with multiple features and techniques used in a microgrid. The test bench is designed for students, laboratory engineers, and researchers, whi...

  • Review
  • Open Access
20 Citations
6,884 Views
50 Pages

Key Features of TEMPO-Containing Polymers for Energy Storage and Catalytic Systems

  • Anatoliy A. Vereshchagin,
  • Arseniy Y. Kalnin,
  • Alexey I. Volkov,
  • Daniil A. Lukyanov and
  • Oleg V. Levin

6 April 2022

The need for environmentally benign portable energy storage drives research on organic batteries and catalytic systems. These systems are a promising replacement for commonly used energy storage devices that rely on limited resources such as lithium...

  • Article
  • Open Access
15 Citations
5,102 Views
16 Pages

Location and Technical Requirements for Photovoltaic Power Stations in Poland

  • Krystyna Kurowska,
  • Hubert Kryszk and
  • Stanisław Bielski

6 April 2022

The objective of Poland’s energy policy is to guarantee energy security while enhancing economic competitiveness and energy efficiency, thus minimizing the power sector’s environmental impact and optimizing the use of energy resources in...

  • Article
  • Open Access
2 Citations
2,273 Views
20 Pages

6 April 2022

Thermal management is an important research area for the automotive sector in order to make high-efficiency and low-impact future vehicles. The transition from internal combustion engines to battery systems in the automotive field requires new skills...

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Energies - ISSN 1996-1073Creative Common CC BY license