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Batteries
Special Issues
Recent Progress of Flow Battery
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Special Issue "Recent Progress of Flow Battery"

A special issue of Batteries (ISSN 2313-0105). This special issue belongs to the section "Battery Materials and Interfaces: Anode, Cathode, Separators and Electrolytes or Others".

Deadline for manuscript submissions: closed (26 October 2023) | Viewed by 2022

Special Issue Editor

Prof. Dr. Puiki Leung

E-Mail Website
Guest Editor
School of Energy and Power Engineering, Chongqing University, Chongqing 400044, China
Interests: energy storage; organic batteries; electrochemical reduction of CO2

Special Issue Information

Dear Colleagues,

Redox flow battery (RFB) is one of the most promising technologies for grid-scale stationary energy storage, due to its design flexibility in decoupling power and energy, long life-time, high safety, and low environmental impact. In recent years, this technology has received significant attention and successfully been scaled up to MW scale. To ensure effective market penetration, new chemistries based on low-cost materials or with improved energy densities have recently been introduced in aqueous and non-aqueous electrolytes. This Special Issue will focus on the latest advances and prospects of current and future flow battery systems, covering key topics in new chemistries, functional materials, engineering, cost/market and computational modelling.

Topics of interest include, but are not limited to:

  • Redox couples/battery chemistries;
  • Functional materials (e.g., electrodes and membranes);
  • Engineering (e.g., scale-up, new cell structures/designs);
  • Mass transport phenomena;
  • Operations (diagnostics and management);
  • Cost and market (e.g., life-cycle assessments);
  • Modelling and simulations (e.g., multi-physics models, first-principles calculations).

Prof. Dr. Puiki Leung
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. Batteries is an international peer-reviewed open access monthly 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 2700 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 (2 papers)

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Research

16 pages, 3581 KiB  
Article
Exploring the Performance and Mass-Transfer Characteristics of Porous Zinc Anodes for Membraneless Hybrid-Flow Batteries
by
Lina Tang
,
Shuyang Dai
,
Puiki Leung
,
Mohd Rusllim Mohamed
,
Yikai Zeng
,
Xun Zhu
,
Cristina Flox
,
Akeel A. Shah
and
Qiang Liao
Batteries 2023, 9(7), 340; https://doi.org/10.3390/batteries9070340 - 22 Jun 2023
Viewed by 810
Abstract
Zinc-based hybrid-flow batteries are considered as a promising alternative to conventional electrochemical energy-storage systems for medium- to large-scale applications due to their high energy densities, safety, and abundance. However, the performance of these batteries has been limited by issues such as dendritic growth [...] Read more.
Zinc-based hybrid-flow batteries are considered as a promising alternative to conventional electrochemical energy-storage systems for medium- to large-scale applications due to their high energy densities, safety, and abundance. However, the performance of these batteries has been limited by issues such as dendritic growth and passivation of zinc anodes during charge–discharge cycling. To address this challenge, a variety of two- and three-dimensional zinc anodes have been investigated. While two-dimensional zinc anodes have been extensively studied, there has been limited investigation into three-dimensional zinc anodes for hybrid-flow batteries. This study highlights the potential of three-dimensional zinc anodes to mitigate overpotentials and improve the mass transport of active species to promote negative electrode reactions. The performance of a membraneless flow battery based on low-cost zinc and organic quinone was herein evaluated using experimental and numerical approaches. Specifically, the use of zinc fiber was shown to yield an average coulombic efficiency of approximately 90% and an average voltage efficiency of approximately 82% over the course of 100 cycles at a current density of 30 mA cm−2. These results indicate the viability of using zinc fiber anodes to improve the performance of existing hybrid-flow batteries. Full article
(This article belongs to the Special Issue Recent Progress of Flow Battery)
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15 pages, 4910 KiB  
Article
Performance Evaluation of a Scaled-Up Membraneless Organic-Based Hybrid Flow Battery
by
Feilin Yu
,
Wenbo Zhao
,
Puiki Leung
,
Mohd Rusllim Mohamed
,
Lei Wei
,
Akeel Shah
and
Qiang Liao
Batteries 2023, 9(7), 336; https://doi.org/10.3390/batteries9070336 - 21 Jun 2023
Viewed by 883
Abstract
This article presents an evaluation of the performance of a membrane-less organic-based flow battery using low-cost active materials, zinc and benzoquinone, which was scaled up to 1600 cm2, resulting in one of the largest of its type reported in the literature. [...] Read more.
This article presents an evaluation of the performance of a membrane-less organic-based flow battery using low-cost active materials, zinc and benzoquinone, which was scaled up to 1600 cm2, resulting in one of the largest of its type reported in the literature. The charge–discharge cycling of the battery was compared at different sizes and current densities, and its performance was evaluated under various mass transport and operating conditions. The results showed that the round-trip coulombic and voltage efficiencies were over 90% and 85%, respectively, for the laboratory-scale (1 cm2 electrode) cell, but these performances tended to deteriorate with the scaled-up (1600 cm2 electrode) cell due to inadequate mass transfer and sediment coverage of quinone, as well as the formation of a passivation film on the zinc anode. Despite this, the scaled-up batteries exhibited high coulombic and voltage efficiencies of up to 99% and 68.5%, respectively, at a current density of 10 mA cm−2. The capital cost of this system is also estimated to be several times lower than those of commercially available all-vanadium flow batteries and zinc bromide flow batteries for demand charge management applications. Full article
(This article belongs to the Special Issue Recent Progress of Flow Battery)
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