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A novel tin-bromine redox flow battery for large-scale energy storage

Author

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  • Zeng, Yikai
  • Yang, Zhifei
  • Lu, Fei
  • Xie, Yongliang

Abstract

The redox flow battery (RFB) is among the most promising large-scale energy storage technologies for intermittent renewables, but its cost and cycle life still remain challenging for commercialization. This work proposes and demonstrates a high-performance, low-cost and long-life tin-bromine redox flow battery (Sn/Br RFB) with the Br-mixed electrolyte. The coulombic efficiency and energy efficiency of the Sn/Br RFB reach 97.6% and 82.6% at a high operating current density of 200 mA cm−2, respectively. The peak power density at 50% state-of-charge achieves 673 and 824 mW cm−2 at 15 and 35 °C, respectively, which is among the highest performance of hybrid RFBs. To address the Sn cross-contamination issue, a Sn reverse-electrodeposition method is demonstrated, and achieves in-situ capacity recovery as well as long cycle life. Moreover, the active material cost of the Br-mixed electrolyte is merely $54 kWh−1, while capital cost of the Sn/Br RFB is estimated to be as low as $193 kWh−1 for 4-hour electricity discharge, and expected to reduce to $148 kWh−1 at the optimistic scenario in the future. With high cell performance, in-situ capacity recovery and inexpensive active materials, the Sn/Br RFB is believed to offer a promising solution for massive electricity storage.

Suggested Citation

  • Zeng, Yikai & Yang, Zhifei & Lu, Fei & Xie, Yongliang, 2019. "A novel tin-bromine redox flow battery for large-scale energy storage," Applied Energy, Elsevier, vol. 255(C).
    • Handle: RePEc:eee:appene:v:255:y:2019:i:c:s0306261919314436
    DOI: 10.1016/j.apenergy.2019.113756
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    Citations

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    Cited by:

    1. Sun, J. & Jiang, H.R. & Zhang, B.W. & Chao, C.Y.H. & Zhao, T.S., 2020. "Towards uniform distributions of reactants via the aligned electrode design for vanadium redox flow batteries," Applied Energy, Elsevier, vol. 259(C).
    2. Sun, J. & Jiang, H.R. & Wu, M.C. & Fan, X.Z. & Chao, C.Y.H. & Zhao, T.S., 2020. "Aligned hierarchical electrodes for high-performance aqueous redox flow battery," Applied Energy, Elsevier, vol. 271(C).
    3. Wang, Rui & Li, Yinshi & Wang, Yanning & Fang, Zhou, 2020. "Phosphorus-doped graphite felt allowing stabilized electrochemical interface and hierarchical pore structure for redox flow battery," Applied Energy, Elsevier, vol. 261(C).
    4. Culcasi, Andrea & Gurreri, Luigi & Zaffora, Andrea & Cosenza, Alessandro & Tamburini, Alessandro & Micale, Giorgio, 2020. "On the modelling of an Acid/Base Flow Battery: An innovative electrical energy storage device based on pH and salinity gradients," Applied Energy, Elsevier, vol. 277(C).
    5. Zhang, Kaiyue & Xiong, Jing & Yan, Chuanwei & Tang, Ao, 2020. "In-situ measurement of electrode kinetics in porous electrode for vanadium flow batteries using symmetrical cell design," Applied Energy, Elsevier, vol. 272(C).
    6. Alexandros Arsalis & George E. Georghiou & Panos Papanastasiou, 2022. "Recent Research Progress in Hybrid Photovoltaic–Regenerative Hydrogen Fuel Cell Microgrid Systems," Energies, MDPI, vol. 15(10), pages 1-24, May.

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