Soft Carbon-coated Hard Carbon Beads as a Lithium-ion Battery Anode Material
Masaki YoshioHongyu WangKanao FukudaTakeshi AbeZempachi Ogumi
Abstract
Abstract Thermal vapor decomposition (TVD) process has been applied to coat soft carbon onto the surface of hard carbon beads. The resultant spherical hard–soft carbon composites with “core-shell” structure demonstrate better electrochemical performance than the starting hard carbon beads as anode materials in lithium-ion batteries. The effect of TVD-carbon shell on the electrochemical performance was correlated with some physical properties.
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