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Energies
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Battery Aging and Fast Charging
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Battery Aging and Fast Charging

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "E: Electric Vehicles".

Deadline for manuscript submissions: closed (31 August 2021) | Viewed by 6869

Special Issue Editor

Dr. Giovanni Lutzemberger

E-Mail Website
Guest Editor
Department of Energy, Systems, Territory and Constructions Engineering, University of Pisa, Largo L. Lazzarino, Pisa, Italy
Interests: electric vehicles; railway systems; electrical power systems; electrochemical storage systems; sustainability
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Electrochemical storage systems are more and more considered today. Therefore, aging is one of the most significant aspects to be analyzed, both for stationary and mobile applications. Unfortunately, battery manufacturers give to the user very little information, mainly about cycles executed at nominal current. This is obviously not very helpful, since the battery is solicited at very high current rates, e.g., during fast charging of pure electric vehicles, in combination with large state-of-charge variation.

This Special Issue seeks to address this lack of knowledge by inviting papers on innovative technical developments, identification algorithms, and experimental results on battery aging when subjected to fast charging.

You may choose our Joint Special Issue in Nanoenergy Advances.

Prof. Dr. Giovanni Lutzemberger
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.

Keywords

  • battery
  • fast-charging
  • aging
  • modeling
  • experiment

Published Papers (3 papers)

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Research

15 pages, 4778 KiB  
Article
Experimental Evaluation of Aging Indicators for Lithium–Iron–Phosphate Cells
by Massimo Ceraolo, Giovanni Lutzemberger, Davide Poli and Claudio Scarpelli
Energies 2021, 14(16), 4813; https://doi.org/10.3390/en14164813 - 7 Aug 2021
Cited by 2 | Viewed by 1575
Abstract
Degradation mechanism of batteries has to be carefully studied when considering their utilization in electrical power systems. This paper presents the results of an extensive experimental campaign, through which three different lithium–iron–phosphate (LFP) cells were subjected to different electrical cycling stresses. The purpose [...] Read more.
Degradation mechanism of batteries has to be carefully studied when considering their utilization in electrical power systems. This paper presents the results of an extensive experimental campaign, through which three different lithium–iron–phosphate (LFP) cells were subjected to different electrical cycling stresses. The purpose of the campaign was to evaluate the cells’ aging, as well as to try to find parameters on the cell behavior before its end of life, able to act as state-of-life (SOL) (or aging) indicators. The considered stress consists of the cyclic repetition of fixed-duration discharge steps, followed by full charge phases. The three cells under study were subjected to the very same stress pattern but with three different discharge and charge power levels: low, medium, and high. The results showed that the end-of-discharge voltage and the cell internal resistance can be used as good SOL indicators. However, both are significant functions of the cell conditions, such as the state of charge (SOC) and the cell temperature. Full article
(This article belongs to the Special Issue Battery Aging and Fast Charging)
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14 pages, 3272 KiB  
Article
A Charge-Equalization Circuit with an Intermediate Resonant Energy Tank
by Yao-Ching Hsieh, You-Chun Huang and Po-Chun Chuang
Energies 2020, 13(24), 6566; https://doi.org/10.3390/en13246566 - 13 Dec 2020
Cited by 4 | Viewed by 1599
Abstract
In this paper, we propose a novel charge-equalization circuit for series-connected batteries. The circuit is composed of an intermediate resonant energy tank, formed by an inductor and a capacitor, and selection switches connected to each battery. The advantage of the proposed circuit is [...] Read more.
In this paper, we propose a novel charge-equalization circuit for series-connected batteries. The circuit is composed of an intermediate resonant energy tank, formed by an inductor and a capacitor, and selection switches connected to each battery. The advantage of the proposed circuit is that an exchange of unbalanced charge can be established between any two batteries via the intermediate energy tank. In addition, more than one adjacent battery can serve as a charge-transference party on either side through proper activation of the associated selection switches. Moreover, by virtue of the resonant tank, zero-current switching can be achieved to significantly reduce the transference losses. A laboratory circuit with a control unit was designed for eight 2.5 Ah lithium iron phosphate (LiFePO4) batteries in series. The test results demonstrate that the proposed charge-equalization circuit can realize charge balance effectively. With the charge-equalization circuit, the worst open-circuit voltage difference can be reduced to less than 20 mV under offline conditions, which helps the batteries operate more efficiently. Full article
(This article belongs to the Special Issue Battery Aging and Fast Charging)
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10 pages, 10764 KiB  
Article
New Cell Balancing Charging System Research for Lithium-ion Batteries
by Chan-Yong Zun, Sang-Uk Park and Hyung-Soo Mok
Energies 2020, 13(6), 1393; https://doi.org/10.3390/en13061393 - 17 Mar 2020
Cited by 7 | Viewed by 3106
Abstract
With recent advancements in the electrical industry, the demand for high capacity and high energy density batteries has increased, subsequently increasing the demand for fast and reliable battery charging. A battery is an assembly of a plurality of cells, in which maintaining a [...] Read more.
With recent advancements in the electrical industry, the demand for high capacity and high energy density batteries has increased, subsequently increasing the demand for fast and reliable battery charging. A battery is an assembly of a plurality of cells, in which maintaining a balance between neighboring cells is crucial for stable charging. To this end, various methods have been applied to battery management systems. Representative methods for maintaining the balance in battery cells include a passive method of adjusting the balance using a resistor and an active method involving the exchange of energy between the cells. However, these methods are limited in terms of efficiency, lifespan, and charging time. Therefore, in this study, we propose a new charging method at the battery cell level and demonstrate its effectiveness through experiments. Full article
(This article belongs to the Special Issue Battery Aging and Fast Charging)
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