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Aqueous 2,2,6,6-Tetramethylpiperidine-N-oxyl Catholytes for a High-Capacity and High Current Density Oxygen-Insensitive Hybrid-Flow Battery
Abstract
Hybrid-flow batteries are a suitable storage technology for “green” electricity generated by renewable sources such as wind power and solar energy. Redox-active organic compounds have recently been investigated to improve the traditional metal- and halogen-based technologies. Here we report the utilization of a 2,2,6,6-tetramethylpiperidine- N -oxyl (TEMPO) derivative that is in particular designed for application in semiorganic zinc hybrid-flow batteries. The TEMPO derivative is synthesized and electrochemically characterized via cyclic voltammetry and rotating disc electrode measurements. This derivative features a high solubility in aqueous electrolytes; thus, volumetric capacities above 20 Ah L –1 are achieved. The fabricated hybrid-flow batteries feature over 1100 consecutive charge–discharge cycles at constant capacity retention, and current densities up to 80 mA cm –2 are applied.
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Citations
Cited by
Electrolyte Lifetime in Aqueous Organic Redox Flow Batteries: A Critical Review
Kwabi, D. G., Ji, Y., & Aziz, M. J. (2020) · Chemical Reviews · doi:10.1021/acs.chemrev.9b00599 · Cited by 616
Inhibition of Zinc Dendrite Growth in Zinc‐Based Batteries
Lu, W., Xie, C., Zhang, H., & Li, X. (2018) · ChemSusChem · doi:10.1002/cssc.201801657 · Cited by 478
Progress and prospects of next-generation redox flow batteries
Zhang, C., Zhang, L., Ding, Y., Peng, S., Guo, X., Zhao, Y., He, G., & Yu, G. (2018) · Energy Storage Materials · doi:10.1016/j.ensm.2018.06.008 · Cited by 336
Advanced materials for zinc-based flow battery: development and challenge
Yuan, Z., Yin, Y., Xie, C., Zhang, H., Yao, Y., & Li, X. (2019) · Advanced Materials · doi:10.1002/adma.201902025 · Cited by 318
Metadata
- Authors
- Winsberg, J., Stolze, C., Schwenke, A., Muench, S., Hager, M. D., & Schubert, U. S.
- Venue
- ACS Energy Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-01-23
- Volume
- 2
- Issue
- 2
- Pages
- 411-416
- ISSN
- 2380-8195 (ISSN-L)
- OpenAlex
- W2569450825
- Cited by
- 197
- References
- 0
- FWCI
- 6.82
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Aqueous 2,2,6,6-Tetramethylpiperidine-N-oxyl Catholytes for a High-Capacity and High Current Density Oxygen-Insensitive Hybrid-Flow Battery. https://app.cochat.ai/papers/10.1021/acsenergylett.6b00655
- The paper
- Winsberg, J., Stolze, C., Schwenke, A., Muench, S., Hager, M. D., & Schubert, U. S. (2017). Aqueous 2,2,6,6-Tetramethylpiperidine-N-oxyl Catholytes for a High-Capacity and High Current Density Oxygen-Insensitive Hybrid-Flow Battery. ACS Energy Letters. https://doi.org/10.1021/acsenergylett.6b00655
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