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Electronics
Special Issues
Innovative Technologies in Green Power Systems
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Innovative Technologies in Green Power Systems

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Power Electronics".

Deadline for manuscript submissions: closed (30 September 2019) | Viewed by 4320

Special Issue Editor

Prof. Dr. Madhav Manjrekar

E-Mail Website
Guest Editor
Department of Electrical and Computer Engineering, University of North Carolina – Charlotte, Charlotte, NC 28223, USA
Interests: power electronics; power systems; motor drives

Special Issue Information

Dear Colleagues,

With highly fluctuating prices of fossil fuels in global markets and amidst growing concerns about the environmental impact of carbon emissions, sources of energy have been making a steady shift towards renewable energy resources such as solar and wind. In the not-so-distant future, electrical power is expected to be generated entirely through such eco-friendly green resources, thereby eliminating the dependence on fossil fuels and realizing a zero-carbon footprint. The main aim of this Special Issue is to seek high-quality submissions that highlight innovative technologies and address recent breakthroughs in the areas of green energy and power systems.

The topics of interest include, but are not limited to:

  • Solar and wind energy generation;
  • Other forms of renewable energy resources such as hydro-power, bio-fuels, and geo-thermal energy;
  • Energy storage and fuel cells;
  • Electric transportation;
  • Long-distance transmission of renewable power through HVDC;
  • The integration of distributed energy resources with power distribution systems;
  • Islanded and grid-connected microgrids;
  • Fault analysis and protection coordination in renewable energy systems.

Prof. Dr. Madhav Manjrekar
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. Electronics 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.

Published Papers (1 paper)

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Research

16 pages, 5433 KiB  
Article
Analyzing Electrical Performance and Thermal Coupling of Supercapacitor Assembled Using Phosphorus-Doped Porous Carbon/Graphene Composite
by Jian Yu Zhang, Xi Tao Wang, Sikander Ali and Fu Gui Liu
Electronics 2019, 8(2), 254; https://doi.org/10.3390/electronics8020254 - 25 Feb 2019
Cited by 4 | Viewed by 4111
Abstract
A novel phosphorus-doped porous carbon/graphene composite was adopted as electrode material of super-capacitor, which showed excellent electrochemical performance compared with carbon material without phosphorus heteroatom by means of cyclic voltammetry, the charge/discharge property, impedance characteristics, cycle life, and stability. The P-enriched carbons sample [...] Read more.
A novel phosphorus-doped porous carbon/graphene composite was adopted as electrode material of super-capacitor, which showed excellent electrochemical performance compared with carbon material without phosphorus heteroatom by means of cyclic voltammetry, the charge/discharge property, impedance characteristics, cycle life, and stability. The P-enriched carbons sample offered an outstanding capacitive behavior, which had specific capacitance 277 F/g and was able to withstand at a wide voltage window of 1.6 V with 90.8% performance retention after 10,000 cycles at a current density of 10 Ag−1, providing a higher energy density 26.42 Wh/kg. In addition, because the thermal effect in charge and discharge process can make the supercapacitor temperature rise rapidly in a short time and affect the electrical performance, temperature characteristic is one of the important characteristics to be considered in practical application. In this paper, a two-dimensional thermal model for commonly used coiling supercapacitor with p-doped porous carbon/graphene composite as electrode material was established, and the temperature distribution of supercapacitor and the variation of internal temperature under different conditions were analyzed by finite element method. The results show that the maximum temperature appears near the center, and the maximum temperature is related to the applied current and the number of cycles. With the increase of the current, the maximum internal temperature is increased sharply, and it is kept constant after the number of cycles reaches a certain value. Cooling measures should be taken when the maximum temperature exceeds the allowable temperature range. Full article
(This article belongs to the Special Issue Innovative Technologies in Green Power Systems)
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