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Title: In‐situ tools used in vanadium redox flow battery research - review
Authors: Ghimire, Purna C.
Bhattarai, Arjun
Lim, Tuti Mariana
Wai, Nyunt
Skyllas‐kazacos, Maria
Yan, Qingyu
Keywords: Engineering::Civil engineering
Issue Date: 2021
Source: Ghimire, P. C., Bhattarai, A., Lim, T. M., Wai, N., Skyllas‐kazacos, M. & Yan, Q. (2021). In‐situ tools used in vanadium redox flow battery research - review. Batteries, 7(3), 53-.
Journal: Batteries 
Abstract: Progress in renewable energy production has directed interest in advanced developments of energy storage systems. The all‐vanadium redox flow battery (VRFB) is one of the attractive technologies for large scale energy storage due to its design versatility and scalability, longevity, good round‐trip efficiencies, stable capacity and safety. Despite these advantages, the deployment of the vanadium battery has been limited due to vanadium and cell material costs, as well as supply issues. Improving stack power density can lower the cost per kW power output and therefore, intensive research and development is currently ongoing to improve cell performance by increasing electrode activity, reducing cell resistance, improving membrane selectivity and ionic conductivity, etc. In order to evaluate the cell performance arising from this intensive R&D, numerous physical, electrochemical and chemical techniques are employed, which are mostly carried out ex situ, particularly on cell characterizations. However, this approach is unable to provide in‐depth insights into the changes within the cell during operation. Therefore, in situ diagnostic tools have been developed to acquire information relating to the design, operating parameters and cell materials during VRFB operation. This paper reviews in situ diagnostic tools used to realize an in‐depth insight into the VRFBs. A systematic review of the previous research in the field is presented with the advantages and limitations of each technique being discussed, along with the recommendations to guide researchers to identify the most appropriate technique for specific investigations.
ISSN: 2313-0105
DOI: 10.3390/batteries7030053
Rights: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// 4.0/).
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles
ERI@N Journal Articles
MSE Journal Articles

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