Carbon negative electrode materials and lithium secondary...

Details Carbon negative electrode materials and lithium secondary... Carbon negative electrode materials and lithium secondary...

H - Electricity

01

M

H01M 4/66 (2006.01)

Patent

CA 2155690

A carbon negative electrode material containing microparticles of hard carbon. The pores in the carbon microparticles have an inlet diameter such that an organic solvent in an electrolyte of a lithium secondary cell is substantially impermeable and that lithium ions are permeable. Use of such carbon negative electrode material as a negative electrode provides a lithium secondary cell with excellent cell capacity, in which charge capacity and discharge capacity are improved and irreversible capacity is minimized.

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