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The method to evaluate the reversible lithium insertion capacity (Qre) has been stud-ied using poly (Hphenylence) (PPP) heat-treated at 550 ~ 1000 ℃ in inert gas atomsphere by H/C atomic ratio and FTIR measures. The H/C atomic ratio and Qrwe decreased with increasing heat-treament temperature.The absorption ratio of 1020cm-1 band to the 1440cm-1 band (Ra) is directly related to the Qre of carbon samples. The saxnples with R. >1-1 and without 807cm-1 peak tend to have high Qre (>372 mA.h-g-1). The reversible capacity for Li+ ion insertion de-crease as Ra decreases.
The method to evaluate the reversible lithium insertion capacity (Qre) has been stud-ied using poly (Phenylence) (PPP) heat-treated at 550 ~ 1000 ° C in inert gas atomic sphere by H / C atomic ratio and FTIR measures. The H / C atomic ratio and Qrwe decreased with increasing heat-treament temperature. The absorption ratio of 1020cm-1 band to the 1440cm-1 band (Ra) is directly related to the Qre of carbon samples. The saxnples with R.> 1-1 and without 807 cm-1 peak tend to have high Qre (> 372 mA.hg-1). The reversible capacity for Li + ion insertion de-crease as Ra decreases.