A Comparative Microwave-Assisted Synthesis
of Carbon-Coated LiCoO₂ and LiNiO₂
for Lithium-Ion Batteries¹

Aurelius Vandenberg^a and Andreas Hintennach^a,b,z

^aCGS, Brächter Str-Bau 7, D-71732 Hohenstange

^bDaimler AG, Hintennach, HPC H152, D-70176 Stuttgart

Received July 12, 2013

Abstract—Carbon-coated LiCoO₂ and LiNiO₂ compounds were prepared with a novel, fast, and very efficient
microwave-assisted method within only minutes. This method provided highly dispersed LiCoO₂ or LiNiO₂
within a highly contacted carbon material. A remarkable high specific charge of about 179 and 270Ah kg^–1
was achieved for LiCoO₂ and LiNiO₂, respectively. Moreover, due to the very high electrochemical stability
about 89% for LiCoO₂ and 97% for LiNiO₂, respectively, of the discharge capacity remained after about 1500
cycles.

Keywords: LiCoO₂, LiNiO₂, electrodes, lithium-ion battery, microwave

DOI: 10.1134/S102319351504014X

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