Journal ArticleDOI
Nafion/TiO2 hybrid membrane fabricated via hydrothermal method for vanadium redox battery
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TLDR
In this article, a Nafion/TiO2 hybrid membrane was fabricated by a hydrothermal method to improve the performance of a vanadium redox battery (VRB) separator.Abstract:
To improve the performance of Nafion membrane as a separator in vanadium redox battery (VRB) system, a Nafion/TiO2 hybrid membrane was fabricated by a hydrothermal method. The primary properties of this hybrid membrane were measured and compared with the Nafion membrane. The Nafion/TiO2 hybrid membrane has a dramatic reduction in crossover of vanadium ions compared with the Nafion membrane. The results of scanning electron microscope, energy dispersive X-ray spectroscopy, and X-ray diffraction of the hybrid membrane revealed that the TiO2 phase was formed in the bulk of the prepared membrane. Cell tests identified that the VRB with the Nafion/TiO2 hybrid membrane presented a higher coulombic efficiency (CE) and energy efficiency (EE), and a lower self-discharge rate compared with that of the Nafion system. The CE and EE of the VRB with the hybrid membrane were 88.8% and 71.5% at 60 mA cm−2, respectively, while those of the VRB with Nafion membrane were 86.3% and 69.7% at the same current density. Furthermore, cycling tests indicated that the Nafion/TiO2 hybrid membrane can be applied in VRB system.read more
Citations
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Progress in redox flow batteries, remaining challenges and their applications in energy storage
Puiki Leung,Xiaohong Li,Carlos Ponce de León,Leonard Berlouis,C.T. John Low,Frank C. Walsh,Frank C. Walsh +6 more
TL;DR: A comprehensive review of the overall development of redox flow battery technology, including proposed chemistries, cell components and recent applications is provided in this paper, where the authors highlight the challenges and directions for further research.
Journal ArticleDOI
Review of material research and development for vanadium redox flow battery applications
Aishwarya Parasuraman,Tuti Mariana Lim,Tuti Mariana Lim,Chris Menictas,Maria Skyllas-Kazacos +4 more
TL;DR: The vanadium redox flow battery (VRB) is one of the most promising electrochemical energy storage systems deemed suitable for a wide range of renewable energy applications that are emerging rapidly to reduce the carbon footprint of electricity generation as discussed by the authors.
Journal ArticleDOI
Membranes for Redox Flow Battery Applications
TL;DR: This paper reviews the research work on membranes for redox flow batteries, in particular for the all-vanadium red ox flow battery which has received the most attention.
Journal ArticleDOI
Recent Advancements in All-Vanadium Redox Flow Batteries
Mani Ulaganathan,Vanchiappan Aravindan,Qingyu Yan,Srinivasan Madhavi,Maria Skyllas-Kazacos,Tuti Mariana Lim +5 more
TL;DR: In this article, the feasibility of novel flow field designs for high energy density vanadium redox flow batteries (VRFBs) and their future prospects are discussed in detail, focusing on recent research activities relating to the development and modification of electrode materials and new ion-exchange membranes.
References
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New All‐Vanadium Redox Flow Cell
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A study of the V(II)/V(III) redox couple for redox flow cell applications
E. Sum,Maria Skyllas-Kazacos +1 more
TL;DR: In this paper, the electrochemical behavior of the V(III)/V(II) redox couple was investigated at glassy carbon electrodes using cyclic voltammetry, and it was found to be electrochemically irreversible with a value ko = 1.2 × 10−4 at pH = 4.