Synergistic Effect Enables Aqueous Zinc‐Ion Batteries to Operate at High Temperatures

Synergistic Effect Enables Aqueous Zinc‐Ion Batteries to Operate at High Temperatures

Advanced Functional Materials

10.1002/adfm.202419351

https://doi.org/10.1002/adfm.202419351

Changlei Zhuang, Siwen Zhang, Zhi Gen Yu, Jinzhang Yang, Ying Sun, Hanyu Wen, Haokun Wen, Hui Li, Bosi Yin, Tianyi Ma

26 November 2024

Zhuang, C., Zhang, S., Yu, Z. G., Yang, J., Sun, Y., Wen, H., Wen, H., Li, H., Yin, B., & Ma, T. (2024). Synergistic Effect Enables Aqueous Zinc‐Ion Batteries to Operate at High Temperatures. Advanced Functional Materials, 35(15). Portico. https://doi.org/10.1002/adfm.202419351

AbstractThe performance of aqueous zinc‐ion batteries (AZIBs) at high temperatures (HT) is severely compromised by active water corrosion, parasitic reactions, and dendrite growth. Herein, zinc trifluoroacetate is introduced at a low concentration (0.2 m), dissolved in triethyl phosphate (TEP) and H2O. The active water is suppressed due to the reconstructed original hydrogen bond network, which helps inhibit parasitic reactions and severe corrosion. Meanwhile, a solid electrolyte interphase (SEI) formed on the zinc anode due to the decomposition of the introduced zinc salt. The high‐tolerance SEI physically separates the electrolyte and anode, reducing the corrosion caused by active water. Moreover, TEP, as a prevalent fire‐retardant cosolvent, can preferentially anchor on the zinc sheet, serving as a shielding buffer layer. TEP is not only reconstructing the structure of the electric double layer (EDL), decreasing the content of active water, but also accelerating the prompt formation of SEI further. As proof of this synergistic effect, the assembled symmetric Zn‖Zn cells sustain to 700 h under the condition of 0.5 mA cm−2, and the Zn‖NH4V4O10 (NVO) full cells achieve 1400 cycles at 1 A g−1 at 60 °C. This work offers a promising solution to prompt the commercialization of AZIBs at HT.

Publisher Copyright

This research is supported by core funding from: Institute of High Performance Computing (IHPC)
Grant Reference no. : NA

This is the peer reviewed version of the following article: Zhuang, C., Zhang, S., Yu, Z. G., Yang, J., Sun, Y., Wen, H., Wen, H., Li, H., Yin, B., & Ma, T. (2024). Synergistic Effect Enables Aqueous Zinc‐Ion Batteries to Operate at High Temperatures. Advanced Functional Materials, 35(15). Portico. https://doi.org/10.1002/adfm.202419351 , which has been published in final form at https://doi.org/10.1002/adfm.202419351. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.

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