| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a carbon material for a lithium ion secondary battery electrode which makes an initial charge-discharge capacity higher than before. <P>SOLUTION: The carbon material is prepared by heating α-naphtholphthalein at 600-3,000°C. The initial charge-discharge capacity is improved by using the carbon material in the lithium ion secondary battery electrode. Output density is improved by using the carbon material in a lithium ion capacitor electrode. <P>COPYRIGHT: (C)2011,JPO&INPIT |
