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Stability and Optimization of Flow Battery Performance

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: closed (26 February 2024) | Viewed by 2056

Special Issue Editor


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Guest Editor
College of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing, China
Interests: flow battery; mass transfer in porous electrode; battery performance optimization; stability

Special Issue Information

Dear Colleagues,

Stable and efficient long-term energy storage techniques are important for the renewable energy utilization. The flow battery among the long-term energy storage techniques with the most potential and had received more and more attention over the past decades. More fundamental principles and optimizing strategies are needed to promote the battery performance and stability of the redox flow battery. As such, there is a need for a greater number of multidisciplinary studies in a variety of fields, including functional materials, flow field design, integration strategy and electrode modification, etc. These fundamental principles and optimizing strategies can contribute to the stability and optimization of flow batteries.

This Special Issue invites authors to contribute reviews and research papers which focus on flow field design for redox flow batteries, electrode material modification, electrolyte material modification, membrane material design and stability and the optimization of flow battery performance.

In this Special Issue, both research articles and reviews are welcome. Research areas may include (but are not limited to) the following topics:

  1. Electrode materials and structure design for redox flow batteries;
  2. Flow fields design for redox flow batteries;
  3. Membrane materials in redox flow batteries;
  4. Transport phenomenon and dynamics in redox flow batteries;
  5. Modelling, optimization, and numerical simulation;
  6. Electrode and membrane modification;
  7. Optimization of the redox flow batteries;
  8. Integration of the redox flow batteries.

We look forward to receiving your contributions.

Dr. Fengming Chu
Guest Editor

Manuscript Submission Information

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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. Sustainability 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.

Keywords

  • energy storage
  • redox flow batteries
  • flow fields
  • electrode
  • electrolyte
  • membrane
  • battery performance
  • stability

Published Papers (2 papers)

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Research

23 pages, 8550 KiB  
Article
Research on Performance Optimization of Novel Sector-Shape All-Vanadium Flow Battery
by Kai Sun, Mengyao Qi, Xinrong Guo, Weijia Wang, Yanqiang Kong, Lei Chen, Lijun Yang and Xiaoze Du
Sustainability 2023, 15(19), 14520; https://doi.org/10.3390/su151914520 - 6 Oct 2023
Viewed by 836
Abstract
The all-vanadium flow batteries have gained widespread use in the field of energy storage due to their long lifespan, high efficiency, and safety features. However, in order to further advance their application, it is crucial to uncover the internal energy and mass transfer [...] Read more.
The all-vanadium flow batteries have gained widespread use in the field of energy storage due to their long lifespan, high efficiency, and safety features. However, in order to further advance their application, it is crucial to uncover the internal energy and mass transfer mechanisms. Therefore, this paper aims to explore the performance optimization of all-vanadium flow batteries through numerical simulations. A mathematical and physical model, which couples electrochemical reactions and thermal mass transfer processes within a novel sector-shape all-vanadium flow battery, has been established. Subsequently, the impact of cell thickness and operating parameters on the distribution of various physical fields and performance parameters has been investigated. The results show that the potential and overpotential decrease as the electrode thickness increases, while the energy efficiency initially rises and then declines. As for operating parameters, higher electrolyte concentration demonstrates superior performance, while changes in electrolyte flow and current density have comprehensive effects on the battery. The cell performance can be adjusted based on the integrated mass transfer process and energy efficiency. Full article
(This article belongs to the Special Issue Stability and Optimization of Flow Battery Performance)
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14 pages, 3006 KiB  
Article
A Novel Biomimetic Lung-Shaped Flow Field for All-Vanadium Redox Flow Battery
by Longchun Zhong and Fengming Chu
Sustainability 2023, 15(18), 13613; https://doi.org/10.3390/su151813613 - 12 Sep 2023
Viewed by 946
Abstract
The all-vanadium redox flow battery (VRFB) was regarded as one of the most potential technologies for large-scale energy storage due to its environmentally friendliness, safety and design flexibility. The flow field design and mass transfer performance in the porous electrodes were some of [...] Read more.
The all-vanadium redox flow battery (VRFB) was regarded as one of the most potential technologies for large-scale energy storage due to its environmentally friendliness, safety and design flexibility. The flow field design and mass transfer performance in the porous electrodes were some of the main factors to influence the battery performance. A novel biomimetic lung-shaped flow field was designed, and the battery performance was compared with the serpentine flow field by numerical simulation analysis. The results showed that the charging voltage of the VRFB was reduced by about 5.34% when SOC = 0.9 compared with the serpentine flow field. On the other hand, the discharging voltage was promoted by about 9.77% when SOC = 0.1 compared with the serpentine flow field. The battery performance of the VRFB is obviously due to the enhancement of the mass transfer performance. The uniformity factor was promoted by 35.6% by the lung-shaped flow field when SOC = 0.1, which can reduce the polarization loss. The average concentration of the active ions was increased by about 18% by the lung-shaped biomimetic flow field, which was of significance to the electrochemical reaction. The design of the lung-shaped flow field can contribute to the application of the VRFB. Full article
(This article belongs to the Special Issue Stability and Optimization of Flow Battery Performance)
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