“…However, there are many considerations that increase the complexity of the model and bring inconvenience to practical applications. Therefore, optimizing the existing hybrid model is a key measure to improve model efficiency 86 …”
Section: Analysis and Research On Performance Improvement Methods Of ...mentioning
The vanadium redox flow battery (VRFB) has the advantages of flexible design, high safety, no cross-contamination, long service life, environmental friendliness, and good performance. VRFB has become the best choice for large-scale electrochemical energy storage. Renewable energy has severely restricted the development and use due to its discontinuous, unstable, and uncontrollable output power. The microgrid (MG) composed of VRFB, wind energy, and photovoltaic renewable energy is an effective solution to the random and intermittent nature of renewable energy. The work analyses the development status and existing problems of renewable energy power generation, VRFB energy storage technology, and microgrid. Without involving the development of the key components of the VRFB, research how to improve the performance of the VRFB to make it in the best operating state in the microgrid. The main contribution of this paper are to combine the application background of the microgrid to improve the overall performance of the battery from the aspects of VRFB modeling, battery structure design optimization, flow field and flow optimization, stack design, thermal treatment, and temperature characteristic distribution. Finally, this review offers insights for improving the performance of VRFBs in microgrids.
Highlights• Analysis of renewable energy, energy storage technology, and microgrid framework.• Systematic analysis of the problems of vanadium flow battery in microgrid.• Researched how to improve the overall performance of the vanadium flow battery without developing new component materials.
“…However, there are many considerations that increase the complexity of the model and bring inconvenience to practical applications. Therefore, optimizing the existing hybrid model is a key measure to improve model efficiency 86 …”
Section: Analysis and Research On Performance Improvement Methods Of ...mentioning
The vanadium redox flow battery (VRFB) has the advantages of flexible design, high safety, no cross-contamination, long service life, environmental friendliness, and good performance. VRFB has become the best choice for large-scale electrochemical energy storage. Renewable energy has severely restricted the development and use due to its discontinuous, unstable, and uncontrollable output power. The microgrid (MG) composed of VRFB, wind energy, and photovoltaic renewable energy is an effective solution to the random and intermittent nature of renewable energy. The work analyses the development status and existing problems of renewable energy power generation, VRFB energy storage technology, and microgrid. Without involving the development of the key components of the VRFB, research how to improve the performance of the VRFB to make it in the best operating state in the microgrid. The main contribution of this paper are to combine the application background of the microgrid to improve the overall performance of the battery from the aspects of VRFB modeling, battery structure design optimization, flow field and flow optimization, stack design, thermal treatment, and temperature characteristic distribution. Finally, this review offers insights for improving the performance of VRFBs in microgrids.
Highlights• Analysis of renewable energy, energy storage technology, and microgrid framework.• Systematic analysis of the problems of vanadium flow battery in microgrid.• Researched how to improve the overall performance of the vanadium flow battery without developing new component materials.
“…Zhao et al 146 studied the characteristics and performance of a 10 kW stack consisting of 14 batteries, with an EE of more than 80%, indicating that the VRFB is a promising and efficient energy storage technology. Chen et al 147 found the phenomenon of transmission delay in multistack RFBs. Transmission delay will lead to uneven concentration distribution along the pipeline, resulting in poor uniformity of stack pressure in the module, which will lead to a premature pressure cutoff during operation and reduce capacity utilization.…”
Vanadium redox flow batteries (VRFBs) can effectively solve the intermittent renewable energy issues and gradually become the most attractive candidate for large-scale stationary energy storage. However, their low energy density and high cost still bring challenges to the widespread use of VRFBs. For this reason, performance improvement and cost reduction of VRFBs are the keys to their commercialization and large-scale energy storage applications. On the basis of this, this perspective briefly describes the development status of renewable energy and energy storage technology and summarizes the existing bottlenecks that affect the development of VRFBs. Meanwhile, the critical technologies of VRFBs are reviewed, and the research progress in recent years and the challenges that need to be overcome are introduced. This perspective focuses on four aspects, including core component material, system modeling, optimization operations, and future business challenges. Then, a comprehensive analysis of critical issues and solutions for VRFB development are discussed, which can effectively guide battery performance optimization and innovation. The views in this perspective are expected to provide effective and extensive understanding of the current research and future development of vanadium redox flow batteries.
“… Figure 1 Visual representation of the dilute vs. concentrated debate in flow battery modeling literature Papers are ordered in 4 categories. (A) Papers using the dilute solution hypothesis without mentioning it; 2000–2010: [6] Sukkar and Skyllas-Kazacos (2003) , [7] Li and Hikihara (2008) , [8] You et al (2009) ; 2010–2015: [11] Tang et al (2011) , [12] Qiu et al (2012) , [13] Tang et al (2012) , [14] Badrinarayanan et al (2014) ; 2015-2018: [26] Zhou et al (2016) , [27] Nikonenko et al (2016) , [28] Yan et al (2016) , [29] Milshtein et al (2017) , [30] Bhattacharjee and Saha (2017) ; 2018-2022: [45] Lei et al (2018) , [46] Murali et al (2018) , [47] Chen et al (2019) [48] Xu et al (2020) [49] Chen et al (2021a) , [50] Chen et al (2021b) [51] Howard Amanda and Tartakovsky (2021) . (B) Papers mentioning the dilute solution hypothesis but not justifying it; 2000–2010: [9] Shah et al (2008) , [10] Al-Fetlawi et al (2009) ; 2010–2015: [15] Shah et al (2011) , [16] Vynnycky (2011) , [17] Knehr et al (2012) , [18] Yin et al (2014) [19] Chen et al (2014) ; 2015-2018: [31] Xu and Zhao (2015) , [32] Yang et al (2015) , [33] Boettcher et al (2015) , [34] Zhou et al (2015) , [35] Lei (2015) , [36] Gandomi et al (2016) , [37] Chu et al (2016) , [38] Chen et al (2017) , [39] Elgammal et al (2017) ; 2018-2022: [52] Ronen et al (2018) , [53] Oh et al (2019) , [54] Delgado et al (2020) , [55] Cacciuttolo et al (2021) .…”
Section: Introductionmentioning
confidence: 99%
“… Papers are ordered in 4 categories. (A) Papers using the dilute solution hypothesis without mentioning it; 2000–2010: [6] Sukkar and Skyllas-Kazacos (2003) , [7] Li and Hikihara (2008) , [8] You et al (2009) ; 2010–2015: [11] Tang et al (2011) , [12] Qiu et al (2012) , [13] Tang et al (2012) , [14] Badrinarayanan et al (2014) ; 2015-2018: [26] Zhou et al (2016) , [27] Nikonenko et al (2016) , [28] Yan et al (2016) , [29] Milshtein et al (2017) , [30] Bhattacharjee and Saha (2017) ; 2018-2022: [45] Lei et al (2018) , [46] Murali et al (2018) , [47] Chen et al (2019) [48] Xu et al (2020) [49] Chen et al (2021a) , [50] Chen et al (2021b) [51] Howard Amanda and Tartakovsky (2021) . …”
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