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Energy Electrochemistry
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Energy Electrochemistry

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "I3: Energy Chemistry".

Deadline for manuscript submissions: closed (10 January 2023) | Viewed by 4597

Special Issue Editor

Prof. Dr. Wan Jefrey Basirun

E-Mail Website
Guest Editor
Department of Chemistry, University Malaya, Kuala Lumpur 50603, Malaysia
Interests: electrochemical sensors; energy conversion and storage; galvanic corrosion; electrocatalysts; photo-electrocatalysts

Special Issue Information

Dear Colleagues,

Energy generation, storage, and conversion have been central topics in electrochemistry since its very beginning. It is inconceivable how modern civilization could progress without the availability of portable power sources. The need for portable energy sources has accelerated with the shifting focus towards electrical vehicles utilizing rechargeable batteries as replacements for the internal combustion engine. Since the discovery of the voltaic pile and fuel cell in the 19th century, a wide range of primary and secondary portable power sources such as lead–acid, Leclanché, alkaline, metal–air, lithium, hydride, redox flow batteries, etc. have seen applications in industry with a growing market value worth billions of USD. Further, energy storage devices such as supercapacitors could replace the traditional dielectric-based capacitors and have seen applications in some hybrid electrical vehicles. Thus, this Special Issue aims to collect critical reviews as well as full experimental and simulation papers on the topic of energy electrochemistry. It is not limited to the topics above, but also welcomes papers in the areas of exchange membranes, liquid metal batteries, liquid electrolytes, solid electrolytes, and molten salts as electrolytes. 

Prof. Dr. Wan Jefrey Basirun
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

  • primary battery
  • secondary battery
  • fuel cells
  • supercapacitors
  • electrolytes
  • molten salts

Published Papers (2 papers)

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Research

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12 pages, 2777 KiB  
Article
Phenyl Vinylsulfonate, a Novel Electrolyte Additive to Improve Electrochemical Performance of Lithium-Ion Batteries
by Behrooz Mosallanejad, Mehran Javanbakht, Zahra Shariatinia and Mohammad Akrami
Energies 2022, 15(17), 6205; https://doi.org/10.3390/en15176205 - 26 Aug 2022
Cited by 3 | Viewed by 1934
Abstract
Irreversible capacity fading, originating from the formation of the solid electrolyte interphase (SEI), is a common challenge encountered in lithium-ion batteries (LIBs) containing an electrolyte based on ethylene carbonate (EC). In this research, phenyl vinyl sulfonate (PVS) is examined as a novel electrolyte [...] Read more.
Irreversible capacity fading, originating from the formation of the solid electrolyte interphase (SEI), is a common challenge encountered in lithium-ion batteries (LIBs) containing an electrolyte based on ethylene carbonate (EC). In this research, phenyl vinyl sulfonate (PVS) is examined as a novel electrolyte additive to mitigate this issue and subsequently enhance the cyclic stability of LIBs. As evidenced by density functional theory (DFT) calculations, PVS has a higher reduction potential than that of EC, which is in accordance with the cyclic voltammetry (CV) measurements. Accordingly, the PVS-containing electrolyte demonstrated a reduction peak at ~1.9 V, which was higher than that of the electrolyte without an additive (at ~1.7 V). In contrast to the SEI derived from the reference electrolyte, the one built-in PVS-containing electrolyte was capable of completely inhibiting the electrolyte reduction. In terms of the Raman spectroscopy and electrochemical impedance spectroscopy (EIS) analysis, SEI formation as the result of PVS reduction can lead to less structural disorder in the graphite electrode; the battery with the additive showed less interfacial and charge transfer resistance. The Li/graphite cell with 1 wt % of PVS delivered capacity retention much higher than that of its counterpart without the additive after 35 cycles at 1 C. Full article
(This article belongs to the Special Issue Energy Electrochemistry)
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Review

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15 pages, 1786 KiB  
Review
A Review of Electrochemical Reduction of Sodium Metaborate
by Wan Jefrey Basirun, Syed Tawab Shah, Md. Shalauddin, Shamima Akhter, Nazzatush Shimar Jamaludin and Adeeb Hayyan
Energies 2023, 16(1), 15; https://doi.org/10.3390/en16010015 - 20 Dec 2022
Cited by 1 | Viewed by 2204
Abstract
The recycling of sodium borohydride poses a huge challenge to the drive towards a hydrogen economy. Currently, mechano-chemical, thermo-chemical and electrochemical are the only reported methods of recycling sodium metaborate into sodium borohydride. Much attention has been devoted to the mechano-chemical and thermo-chemical [...] Read more.
The recycling of sodium borohydride poses a huge challenge to the drive towards a hydrogen economy. Currently, mechano-chemical, thermo-chemical and electrochemical are the only reported methods of recycling sodium metaborate into sodium borohydride. Much attention has been devoted to the mechano-chemical and thermo-chemical methods of reduction, but little focus has been devoted to electrochemical methods. This review describes the electrochemical behaviour of borohydride (BH4−) and metaborate (BO2−) anions in alkaline solutions. The BH4− is stabilized in highly concentrated alkaline solutions, while the electro-oxidation of BH4− is dependent on the type of electrode material. The attempts to electro-reduce the BO2− into BH4− is reviewed and the challenges, suggestions and future outlook of electro-reduction for the recycling of BO2− into BH4− is highlighted. Full article
(This article belongs to the Special Issue Energy Electrochemistry)
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