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Manipulating anion intercalation enables a high-voltage aqueous dual ion battery

Author

Listed:
  • Zhaodong Huang

    (City University of Hong Kong)

  • Yue Hou

    (City University of Hong Kong)

  • Tairan Wang

    (City University of Hong Kong)

  • Yuwei Zhao

    (City University of Hong Kong)

  • Guojin Liang

    (City University of Hong Kong)

  • Xinliang Li

    (City University of Hong Kong)

  • Ying Guo

    (City University of Hong Kong)

  • Qi Yang

    (City University of Hong Kong)

  • Ze Chen

    (City University of Hong Kong)

  • Qing Li

    (City University of Hong Kong)

  • Longtao Ma

    (City University of Hong Kong)

  • Jun Fan

    (City University of Hong Kong)

  • Chunyi Zhi

    (City University of Hong Kong)

Abstract

Aqueous graphite-based dual ion batteries have unique superiorities in stationary energy storage systems due to their non-transition metal configuration and safety properties. However, there is an absence of thorough study of the interactions between anions and water molecules and between anions and electrode materials, which is essential to achieve high output voltage. Here we reveal the four-stage intercalation process and energy conversion in a graphite cathode of anions with different configurations. The difference between the intercalation energy and hydration energy of bis(trifluoromethane)sulfonimide makes the best use of the electrochemical stability window of its electrolyte and delivers a high intercalation potential, while BF4− and CF3SO3− do not exhibit a satisfactory potential because the graphite intercalation potential of BF4− is inferior and the graphite intercalation potential of CF3SO3− exceeds the voltage window of its electrolyte. An aqueous dual ion battery based on the intercalation behaviors of bis(trifluoromethane)sulfonimide anions into a graphite cathode exhibits a high voltage of 2.2 V together with a specific energy of 242.74 Wh kg−1. This work provides clear guidance for the voltage plateau manipulation of anion intercalation into two-dimensional materials.

Suggested Citation

  • Zhaodong Huang & Yue Hou & Tairan Wang & Yuwei Zhao & Guojin Liang & Xinliang Li & Ying Guo & Qi Yang & Ze Chen & Qing Li & Longtao Ma & Jun Fan & Chunyi Zhi, 2021. "Manipulating anion intercalation enables a high-voltage aqueous dual ion battery," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-23369-5
    DOI: 10.1038/s41467-021-23369-5
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    Cited by:

    1. Songshan Bi & Shuai Wang & Fang Yue & Zhiwei Tie & Zhiqiang Niu, 2021. "A rechargeable aqueous manganese-ion battery based on intercalation chemistry," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    2. Shuo Li & Yong Zhang & Xiaoping Liang & Haomin Wang & Haojie Lu & Mengjia Zhu & Huimin Wang & Mingchao Zhang & Xinping Qiu & Yafeng Song & Yingying Zhang, 2022. "Humidity-sensitive chemoelectric flexible sensors based on metal-air redox reaction for health management," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    3. Davood Sabaghi & Zhiyong Wang & Preeti Bhauriyal & Qiongqiong Lu & Ahiud Morag & Daria Mikhailovia & Payam Hashemi & Dongqi Li & Christof Neumann & Zhongquan Liao & Anna Maria Dominic & Ali Shaygan Ni, 2023. "Ultrathin positively charged electrode skin for durable anion-intercalation battery chemistries," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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