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Showing 1–5 of 5 results
Advanced filters: Author: Kamila M. Wiaderek Clear advanced filters

  • Metal-fluoride-based lithium-ion battery cathodes are typically classified as conversion materials because reconstructive phase transitions are presumed to occur upon lithiation. Metal fluoride lithiation is now shown to be dominated instead by diffusion-controlled displacement mechanisms.

    • Xiao Hua
    • Alexander S. Eggeman
    • Clare P. Grey
    Research
    Nature Materials
    Volume: 20, P: 841-850

  • Lithium-rich layered oxides are promising cathode materials for next-generation batteries, but they suffer from long-standing problems such as voltage decay during cycling. Here the authors analyse the root cause of voltage decay and present a structure engineering strategy to mitigate the issue for a cobalt-free, lithium-rich layered oxide.

    • Dong Luo
    • He Zhu
    • Qi Liu
    Research
    Nature Energy
    Volume: 8, P: 1078-1087

  • Metal fluorides/oxides are promising electrodes for lithium-ion batteries, but the mechanism by which they exhibit additional reversible capacity is still not well understood. By using high-resolution solid-state NMR techniques it is shown that extra capacity in this RuO2 system is due to the generation of LiOH and its subsequent reversible reaction with Li to form Li2O and LiH.

    • Yan-Yan Hu
    • Zigeng Liu
    • Clare P. Grey
    Research
    Nature Materials
    Volume: 12, P: 1130-1136

  • Micrometre-sized particles of two niobium tungsten oxides have high volumetric capacities and rate performances, enabled by very high lithium-ion diffusion coefficients.

    • Kent J. Griffith
    • Kamila M. Wiaderek
    • Clare P. Grey
    Research
    Nature
    Volume: 559, P: 556-563