The influence of zinc electrode substrate, electrolyte flow rate and current density on zinc-nickel flow cell performance

Trudgeon, David P.; Loh, Adeline; Ullah, Habib; Li, Xiaohong; Yufit, Vladimir; Brandon, Nigel P.; Liu, Mao‐Cheng; Kong, Ling‐Bin

doi:10.1016/j.electacta.2021.137890

Cited by 11 publications

(11 citation statements)

References 57 publications

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“…The battery polarization will become higher, thus decreasing the working current density and power density of batteries . It is worth noting that, as for ZFBs, more viscous electrolytes will cause higher pump loss and lower flow rate, upon which the former affects the battery cost and the latter influences the zinc deposition morphology . Third, a sufficiently high concentration of zinc salts will bring about the concept of “water-in-salt” electrolytes. ,− This concept can enable dendrite-free ZBBs with high CEs.…”

Section: Mitigation Strategies For Challenges Related To Zinc-based B...mentioning

confidence: 99%

“…Apart from the aforementioned strategies, as for ZFBs, the regulation of electrolyte flow rate is effective as well . However, too large an electrolyte flow will induce hydrogen evolution, which should be optimized.…”

Section: Mitigation Strategies For Challenges Related To Zinc-based B...mentioning

confidence: 99%

“…Apart from the aforementioned strategies, as for ZFBs, the regulation of electrolyte flow rate is effective as well. 77 However, too large an electrolyte flow will induce hydrogen evolution, which should be optimized. The advantages, disadvantages, and challenges of different strategies relevant to electrolytes are summarized in Table 1.…”

Section: Mitigation Strategies For Challengesmentioning

confidence: 99%

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Anode for Zinc-Based Batteries: Challenges, Strategies, and Prospects

et al. 2021

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Section: Mitigation Strategies For Challenges Related To Zinc-based B...mentioning

confidence: 99%

Section: Mitigation Strategies For Challenges Related To Zinc-based B...mentioning

confidence: 99%

Section: Mitigation Strategies For Challengesmentioning

confidence: 99%

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Anode for Zinc-Based Batteries: Challenges, Strategies, and Prospects

et al. 2021

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“…Therefore, various halogens and metals such as iron, nickel, and cerium have been widely studied for redox active materials of RFBs. [70][71][72][73][74][75][76] For example, zinc-iron flow batteries appeared to be a promising ESSs owing to their low costs, environmental-friendliness, and excellent energy density. Hu et al reported zinc-iron RFBs that exhibited excellent cycling stability, maintaining an energy efficiency of 80% at a current density of 260 mA cm À 2 for 800 cycles.…”

Section: Aqueous Zinc-metal Based Redox Flow Batteriesmentioning

confidence: 99%

“…Organic redox active materials generally have low stability and low solubility in aqueous solutions, hindering their wide application. Therefore, various halogens and metals such as iron, nickel, and cerium have been widely studied for redox active materials of RFBs [70–76] . For example, zinc‐iron flow batteries appeared to be a promising ESSs owing to their low costs, environmental‐friendliness, and excellent energy density.…”

Section: High Voltage Aqueous Zinc‐based Hybrid Redox Flow Batteriesmentioning

confidence: 99%

Recent Progress in High‐voltage Aqueous Zinc‐based Hybrid Redox Flow Batteries

Park

Kim

Choi

et al. 2022

Chemistry An Asian Journal

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The energy density of redox flow batteries (RFBs) is generally affected by the standard electrode potential and the solubility of the redox active species. These crucial factors are closely related to the solvent in which the active materials are dissolved. Aqueous RFBs have been widely studied due to their excellent reaction kinetics and high solubility of the redox couple in aqueous media. However, the low voltage of conventional aqueous RFBs has hindered them from being candidates for practical applications. Recently, high‐voltage aqueous RFBs are implemented based on the low negative potential of the Zn/[Zn(OH)4]2− reaction in an alkaline solution. Here, we review recent progress in the design of high energy density RFBs in both aqueous and non‐aqueous electrolytes, notably focusing on the Zn/MnO2 hybrid RFBs in detail. Furthermore, strategies for inhibiting zinc dendritic growth and stabilizing manganese redox couple in the RFBs system are discussed.

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Challenges and Strategies in the Development of Zinc‐Ion Batteries

2023

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Although promising, the practical use of zinc‐ion batteries (ZIBs) remains plagued with uncontrollable dendrite growth, parasitic side reactions, and the high intercalation energy of divalent Zn2+ ions. Hence, much work has been conducted to alleviate these issues to maximize the energy density and cyclic life of the cell. In this holistic review, the mechanisms and rationale for the stated challenges shall be summarized, followed by the corresponding strategies employed to mitigate them. Thereafter, a perspective on present research and the outlook of ZIBs would be put forth in hopes to enhance their electrochemical properties in a multipronged approach.

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The influence of zinc electrode substrate, electrolyte flow rate and current density on zinc-nickel flow cell performance

Cited by 11 publications

References 57 publications

Anode for Zinc-Based Batteries: Challenges, Strategies, and Prospects

Anode for Zinc-Based Batteries: Challenges, Strategies, and Prospects

Recent Progress in High‐voltage Aqueous Zinc‐based Hybrid Redox Flow Batteries

Challenges and Strategies in the Development of Zinc‐Ion Batteries

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