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Single organic electrode for multi-system dual-ion symmetric batteries

Author

Listed:
  • Wenjun Li

    (University of Electronic Science and Technology of China (UESTC))

  • Huilin Ma

    (University of Electronic Science and Technology of China (UESTC))

  • Wu Tang

    (University of Electronic Science and Technology of China (UESTC))

  • Kexin Fan

    (University of Electronic Science and Technology of China (UESTC))

  • Shan Jia

    (University of Electronic Science and Technology of China (UESTC))

  • Jian Gao

    (Sichuan Changhong Electronic (Group) Co.; Ltd)

  • Ming Wang

    (Sichuan Changhong Electronic (Group) Co.; Ltd)

  • Yan Wang

    (University of Electronic Science and Technology of China (UESTC))

  • Bei Cao

    (The Chinese University of Hong Kong)

  • Cong Fan

    (University of Electronic Science and Technology of China (UESTC))

Abstract

The large void space of organic electrodes endows themselves with the capability to store different counter ions without size concern. In this work, a small-molecule organic bipolar electrode called diquinoxalino[2,3-a:2’,3’-c]phenazine-2,6,10-tris(phenoxazine) (DQPZ-3PXZ) is designed. Based on its robust solid structure by the π conjugation of diquinoxalino[2,3-a:2’,3’-c]phenazine (DQPZ) and phenoxazine (PXZ), DQPZ-3PXZ can indiscriminately and stably host 5 counter ions with different charge and size (Li+, Na+, K+, PF6− and FSI−). In Li/Na/K-based half cells, DQPZ-3PXZ can deliver the peak discharge capacities of 257/243/253 mAh g−1cathode and peak energy densities of 609/530/572 Wh kg−1cathode, respectively. The Li/Na/K-based dual-ion symmetric batteries can be constructed, which can be activated through the 1st charge process and show the stable discharge capacities of 85/66/72 mAh g−1cathode and energy densities of 59/50/52 Wh kg−1total mass, all running for more than 15000 cycles with nearly 100% capacity retention.

Suggested Citation

  • Wenjun Li & Huilin Ma & Wu Tang & Kexin Fan & Shan Jia & Jian Gao & Ming Wang & Yan Wang & Bei Cao & Cong Fan, 2024. "Single organic electrode for multi-system dual-ion symmetric batteries," Nature Communications, Nature, vol. 15(1), pages 1-12, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-53803-3
    DOI: 10.1038/s41467-024-53803-3
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    References listed on IDEAS

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    1. Minah Lee & Jihyun Hong & Jeffrey Lopez & Yongming Sun & Dawei Feng & Kipil Lim & William C. Chueh & Michael F. Toney & Yi Cui & Zhenan Bao, 2017. "High-performance sodium–organic battery by realizing four-sodium storage in disodium rhodizonate," Nature Energy, Nature, vol. 2(11), pages 861-868, November.
    2. Chengxin Peng & Guo-Hong Ning & Jie Su & Guiming Zhong & Wei Tang & Bingbing Tian & Chenliang Su & Dingyi Yu & Lianhai Zu & Jinhu Yang & Man-Fai Ng & Yong-Sheng Hu & Yong Yang & Michel Armand & Kian P, 2017. "Reversible multi-electron redox chemistry of π-conjugated N-containing heteroaromatic molecule-based organic cathodes," Nature Energy, Nature, vol. 2(7), pages 1-9, July.
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