ELECTRODE MATERIAL AND LITHIUM ION SECONDARY BATTERY

摘要

PURPOSE: An electrode material is provided to obtain a high battery capacity and to improve cycle characteristic because the crystal structure is difficult to be collapsed even if the charging and discharging are repeated. CONSTITUTION: An electrode material comprises a crystal phase and an amorphous phase, wherein the crystal phase includes a lithium vanadium oxide(LixV2O5) having a primary particle diameter within the range of 10 nm or more and 200 nm or less, and the lithium vanadium oxide has a diffusion path of lithium ions having one-dimensional tunnel structure when x = 0.3.