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Showing 1–7 of 7 results
Advanced filters: Author: Hun-Gi Jung Clear advanced filters

  • Advanced rechargeable lithium-ion batteries have potential applications in the renewable energy and sustainable road transport fields. Junget al. have developed a lithium battery that uses pre-existing concepts but has highly competitive energy densities, life span and cycling properties.

    • Hun-Gi Jung
    • Min Woo Jang
    • Bruno Scrosati
    Research
    Nature Communications
    Volume: 2, P: 1-5

  • Lithium–air batteries have the possibility of having a very high energy density, but their use has been hampered by a limited number of charge–discharge cycles and a low current-rate capability. Now, exploiting a suitable, stable electrolyte allows an advanced lithium–air battery to operate with many cycles at various capacity and rate values.

    • Hun-Gi Jung
    • Jusef Hassoun
    • Bruno Scrosati
    Research
    Nature Chemistry
    Volume: 4, P: 579-585

  • Ni-rich cathodes in all-solid-state batteries experience capacity fading due to surface degradation, particle isolation and detachment at the cathode–electrolyte interface. This study quantifies these degradation factors, showing that detachment increases with Ni content and emphasizing the need for strategies to address these challenges.

    • Nam-Yung Park
    • Han-Uk Lee
    • Yang-Kook Sun
    Research
    Nature Energy
    Volume: 10, P: 479-489

  • Nickel-rich layered lithium transition metal oxides have been investigated as high-energy cathode materials for rechargeable lithium batteries because of their high specific capacity and relatively low cost. Such an oxide with high capacity (215 mA h g-1), where the nickel concentration decreases linearly whereas the manganese concentration increases linearly from the centre to the outer layer of each particle, is now proposed.

    • Yang-Kook Sun
    • Zonghai Chen
    • Khalil Amine
    Research
    Nature Materials
    Volume: 11, P: 942-947

  • Redox mediators can enhance redox reactions in Li-O2 batteries; however, their gradual degradation remains unclear. Here the authors show that organic redox mediators are decomposed by singlet oxygen formed during cycling, indicating a strategy for the rational design of stable redox mediators.

    • Won-Jin Kwak
    • Hun Kim
    • Yang-Kook Sun
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-8