A phase inversion strategy for low-tortuosity and ultrahigh-mass-loading nickel-rich layered oxide electrodes

Karanth, Pranav; Weijers, Mark; Ombrini, Pierfrancesco; Ripepi, Davide; Ooms, Frans; Mulder, Fokko M.

doi:10.1016/j.xcrp.2024.101972

Cell Reports Physical Science

2024

DOI: 10.1016/j.xcrp.2024.101972

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A phase inversion strategy for low-tortuosity and ultrahigh-mass-loading nickel-rich layered oxide electrodes

Pranav Karanth,

Mark Weijers,

Pierfrancesco Ombrini

et al.

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2024

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Cited by 2 publications

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Thermal‐Assisted Dry Coating Electrode Unlocking Sustainable and High‐Performance Batteries

Qu,

Wang,

Zhang

et al. 2024

Advanced Materials

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Current battery production relies on the use of large amounts of N‐methyl‐2‐pyrrolidnone (NMP) solvent during electrode preparation, which raises serious concerns in material cost, energy consumption, and toxicity, thus demanding the innovation of dry electrodes with excellent performance. However, state‐of‐the‐art dry electrodes show inferior energy densities, particularly under high‐areal‐capacity and fast charge/discharge conditions required for practical applications. Here dry production of high‐energy‐density Li‐ and Mn‐rich (LMR) cathodes is shown based on a thermal‐assistant approach. The lithium difluoro(oxalate)borate (LiDFOB) and succinonitrile (SN) serve as two key electrode mediators to facilitate Li+ transport, and the mild heating process for melting SN‐LiDFOB has significantly improved the distribution of various components in the electrode. These synergistic effects enable dry LMR cathodes with a maximum rate capability of 4 C (12 mA cm−2) and an areal capacity of 11.0 mAh cm−2. The resulting Li metal/LMR full cell exhibits the maximum energy and power densities of 609 Wh kg−1 and 2,183 W kg−1, respectively, based on the total mass of the cathode and anode. These results not only break through the key bottleneck in energy density for dry electrodes but, in a broader context, open a new avenue for green and sustainable battery production.

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Thermal‐Assisted Dry Coating Electrode Unlocking Sustainable and High‐Performance Batteries

Qu,

Wang,

Zhang

et al. 2024

Advanced Materials

View full text Add to dashboard Cite

show abstract

Integration of gel polymer electrolytes with dry electrodes for quasi-solid-state batteries

Zhang,

Gou,

et al. 2024

Chemical Engineering Journal

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A phase inversion strategy for low-tortuosity and ultrahigh-mass-loading nickel-rich layered oxide electrodes

Cited by 2 publications

References 62 publications

Thermal‐Assisted Dry Coating Electrode Unlocking Sustainable and High‐Performance Batteries

Thermal‐Assisted Dry Coating Electrode Unlocking Sustainable and High‐Performance Batteries

Integration of gel polymer electrolytes with dry electrodes for quasi-solid-state batteries

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