Raman Spectra and Rate Capability of Graphite Anode for Lithium Ion Battery

We have studied the relationship bctween reve5ible capacity(2)of graphite materials for lithium ion battery anode and their fundamental physical propertiessuch as interlayer spacing4002crystalline sizes along the c-axis and the a-axisLc and Lrespcctivclyobtained by X-ray diffraction(XRD)particle sizeR value (intensity ratio of a peak intensity around1360cmand that around1600cm)by Raman spectroscopy and the amount of impuritiesThe-edecreased with increasing current density and in chargc-discharge measurementThe capacity ratio(2ati)to2vfor lithium extraction depends on the Raman R valueWe have found that the mte capability for the(-evwas influenced by the structure of graphite defined by Raman parameter(R vduc)