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Monovalent manganese based anodes and co-solvent electrolyte for stable low-cost high-rate sodium-ion batteries

Author

Listed:
  • Ali Firouzi

    (Alveo Energy)

  • Ruimin Qiao

    (Lawrence Berkeley National Laboratory)

  • Shahrokh Motallebi

    (Alveo Energy)

  • Christian W. Valencia

    (Alveo Energy)

  • Hannah S. Israel

    (Alveo Energy)

  • Mai Fujimoto

    (Alveo Energy)

  • L. Andrew Wray

    (New York University)

  • Yi-De Chuang

    (Lawrence Berkeley National Laboratory)

  • Wanli Yang

    (Lawrence Berkeley National Laboratory)

  • Colin D. Wessells

    (Alveo Energy)

Abstract

The demand of sustainable power supply requires high-performance cost-effective energy storage technologies. Here we report a high-rate long-life low-cost sodium-ion battery full-cell system by innovating both the anode and the electrolyte. The redox couple of manganese(I/II) in Prussian blue analogs enables a high-rate and stable anode. Soft X-ray absorption spectroscopy and resonant inelastic X-ray scattering provide direct evidence suggesting the existence of monovalent manganese in the charged anode. There is a strong hybridization between cyano ligands and manganese-3d states, which benefits the electronic property for improving rate performance. Additionally, we employ an organic–aqueous cosolvent electrolyte to solve the long-standing solubility issue of Prussian blue analogs. A full-cell sodium-ion battery with low-cost Prussian blue analogs in both electrodes and co-solvent electrolyte retains 95% of its initial discharge capacity after 1000 cycles at 1C and 95% depth of discharge. The revealed manganese(I/II) redox couple inspires conceptual innovations of batteries based on atypical oxidation states.

Suggested Citation

  • Ali Firouzi & Ruimin Qiao & Shahrokh Motallebi & Christian W. Valencia & Hannah S. Israel & Mai Fujimoto & L. Andrew Wray & Yi-De Chuang & Wanli Yang & Colin D. Wessells, 2018. "Monovalent manganese based anodes and co-solvent electrolyte for stable low-cost high-rate sodium-ion batteries," Nature Communications, Nature, vol. 9(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-03257-1
    DOI: 10.1038/s41467-018-03257-1
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    Cited by:

    1. Jiali Wang & Chia-Shuo Hsu & Tai-Sing Wu & Ting-Shan Chan & Nian-Tzu Suen & Jyh-Fu Lee & Hao Ming Chen, 2023. "In situ X-ray spectroscopies beyond conventional X-ray absorption spectroscopy on deciphering dynamic configuration of electrocatalysts," Nature Communications, Nature, vol. 14(1), pages 1-23, December.

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