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A high capacity small molecule quinone cathode for rechargeable aqueous zinc-organic batteries

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Listed:
  • Zirui Lin

    (Northeastern University)

  • Hua-Yu Shi

    (Northeastern University)

  • Lu Lin

    (Northeastern University)

  • Xianpeng Yang

    (Northeastern University)

  • Wanlong Wu

    (Northeastern University)

  • Xiaoqi Sun

    (Northeastern University)

Abstract

Rechargeable aqueous zinc-organic batteries are promising energy storage systems with low-cost aqueous electrolyte and zinc metal anode. The electrochemical properties can be systematically adjusted with molecular design on organic cathode materials. Herein, we use a symmetric small molecule quinone cathode, tetraamino-p-benzoquinone (TABQ), with desirable functional groups to protonate and accomplish dominated proton insertion from weakly acidic zinc electrolyte. The hydrogen bonding network formed with carbonyl and amino groups on the TABQ molecules allows facile proton conduction through the Grotthuss-type mechanism. It guarantees activation energies below 300 meV for charge transfer and proton diffusion. The TABQ cathode delivers a high capacity of 303 mAh g−1 at 0.1 A g−1 in a zinc-organic battery. With the increase of current density to 5 A g−1, 213 mAh g−1 capacity is still preserved with stable cycling for 1000 times. Our work proposes an effective approach towards high performance organic electrode materials.

Suggested Citation

  • Zirui Lin & Hua-Yu Shi & Lu Lin & Xianpeng Yang & Wanlong Wu & Xiaoqi Sun, 2021. "A high capacity small molecule quinone cathode for rechargeable aqueous zinc-organic batteries," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-24701-9
    DOI: 10.1038/s41467-021-24701-9
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    Cited by:

    1. Yangmoon Kim & Youngbin Park & Minkwan Kim & Jimin Lee & Ki Jae Kim & Jang Wook Choi, 2022. "Corrosion as the origin of limited lifetime of vanadium oxide-based aqueous zinc ion batteries," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Wenda Li & Hengyue Xu & Hongyi Zhang & Facai Wei & Lingyan Huang & Shanzhe Ke & Jianwei Fu & Chengbin Jing & Jiangong Cheng & Shaohua Liu, 2023. "Tuning electron delocalization of hydrogen-bonded organic framework cathode for high-performance zinc-organic batteries," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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