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Ampere-hour-scale zinc–air pouch cells

Author

Listed:
  • Sambhaji S. Shinde

    (Hanyang University)

  • Jin Young Jung

    (Hanyang University)

  • Nayantara K. Wagh

    (Hanyang University)

  • Chi Ho Lee

    (Hanyang University)

  • Dong-Hyung Kim

    (Hanyang University)

  • Sung-Hae Kim

    (Hanyang University)

  • Sang Uck Lee

    (Hanyang University
    Hanyang University)

  • Jung-Ho Lee

    (Hanyang University)

Abstract

All-solid-state zinc–air pouch cells promise high energy-to-cost ratios with inherent safety; however, finding earth-abundant high power/energy cathodes and super-ionic electrolytes remains a fundamental challenge. Here we present realistic zinc–air pouch cells designed by the (101)-facet copper phosphosulfide [CPS(101)] as a cathode as well as anti-freezing chitosan-biocellulosics as super-ionic conductor electrolytes. The proposed CPS(101) exhibits trifunctional activity and stability (>30,000 cycles) towards reversible oxygen reactions and hydrogen evolution reactions, outperforming commercial Pt/C and RuO2. Furthermore, hydroxide super-ion conductors utilizing polymerized chitosan-biocellulosics reveal exceptional conductivity (86.7 mS cm−1 at 25 °C) with high mechanical/chemical robustness. High cell-level energy densities of 460 Wh kgcell–1/1,389 Wh l−1 are normally measured in pouch cells (1 Ah) with a cycle lifespan of 6,000/1,100 cycles at 25 mA cm−2 for 20/70% depths of discharge, and the highest densities we could achieve were 523 Wh kgcell–1/1,609 Wh l−1. Flexible pouch cells operate well at rates of 5–200 mA cm−2 over a broad temperature range of −20 to 80 °C.

Suggested Citation

  • Sambhaji S. Shinde & Jin Young Jung & Nayantara K. Wagh & Chi Ho Lee & Dong-Hyung Kim & Sung-Hae Kim & Sang Uck Lee & Jung-Ho Lee, 2021. "Ampere-hour-scale zinc–air pouch cells," Nature Energy, Nature, vol. 6(6), pages 592-604, June.
    • Handle: RePEc:nat:natene:v:6:y:2021:i:6:d:10.1038_s41560-021-00807-8
    DOI: 10.1038/s41560-021-00807-8
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    Cited by:

    1. Qichen Wang & Qingguo Feng & Yongpeng Lei & Shuaihao Tang & Liang Xu & Yu Xiong & Guozhao Fang & Yuchao Wang & Peiyao Yang & Jingjing Liu & Wei Liu & Xiang Xiong, 2022. "Quasi-solid-state Zn-air batteries with an atomically dispersed cobalt electrocatalyst and organohydrogel electrolyte," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Feifei Wang & Jipeng Zhang & Haotian Lu & Hanbing Zhu & Zihui Chen & Lu Wang & Jinyang Yu & Conghui You & Wenhao Li & Jianwei Song & Zhe Weng & Chunpeng Yang & Quan-Hong Yang, 2023. "Production of gas-releasing electrolyte-replenishing Ah-scale zinc metal pouch cells with aqueous gel electrolyte," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    3. Huanxin Li & Yi Gong & Haihui Zhou & Jing Li & Kai Yang & Boyang Mao & Jincan Zhang & Yan Shi & Jinhai Deng & Mingxuan Mao & Zhongyuan Huang & Shuqiang Jiao & Yafei Kuang & Yunlong Zhao & Shenglian Lu, 2023. "Ampere-hour-scale soft-package potassium-ion hybrid capacitors enabling 6-minute fast-charging," Nature Communications, Nature, vol. 14(1), pages 1-12, December.

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