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Issue 9, 2019
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Approaching the maximum capacity of nickel-rich LiNi0.8Co0.1Mn0.1O2 cathodes by charging to high-voltage in a non-flammable electrolyte of propylene carbonate and fluorinated linear carbonates

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Abstract

We report a promising approach to achieve the maximum capacity (>230 mA h g−1) and high capacity retention (95% during 100 cycles) of a nickel-rich cathode of LiNi0.8Co0.1Mn0.1O2 (NCM811) by charging to 4.5 V in a non-flammable electrolyte of propylene carbonate and fluorinated linear carbonates. Our electrolyte permits the stabilization of the cathode–electrolyte interface and cathode structure at high-voltage, enabling stable and safe operation of the Ni-rich cathode for high-energy density and high-safety lithium-ion and lithium metal batteries.

Graphical abstract: Approaching the maximum capacity of nickel-rich LiNi0.8Co0.1Mn0.1O2 cathodes by charging to high-voltage in a non-flammable electrolyte of propylene carbonate and fluorinated linear carbonates

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Publication details

The article was received on 18 Dec 2018, accepted on 03 Jan 2019 and first published on 11 Jan 2019


Article type: Communication
DOI: 10.1039/C8CC10017A
Citation: Chem. Commun., 2019,55, 1256-1258

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    Approaching the maximum capacity of nickel-rich LiNi0.8Co0.1Mn0.1O2 cathodes by charging to high-voltage in a non-flammable electrolyte of propylene carbonate and fluorinated linear carbonates

    H. Q. Pham, E. Hwang, Y. Kwon and S. Song, Chem. Commun., 2019, 55, 1256
    DOI: 10.1039/C8CC10017A

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