| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a negative pole material for a lithium ion secondary battery and its producing method, a negative pole using the negative pole material, and the secondary battery using the negative pole, wherein the negative pole material has a high discharge capacity and initial charging and discharge efficiency, excellent rapid charging and discharge property and cycle property, and possible to be formed easily at low cost. <P>SOLUTION: In the negative pole material and its producing method, the negative pole comprising the negative pole material, and the lithium ion secondary battery using the negative pole, the negative pole material comprises a granulated graphite material C consisting of a scale graphite, to which a fibrous graphite material B is adhered by an adhesive material A comprising a carbonatious material and/or a graphite material of low crystallinity. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
