Charge and discharge cycle performance of negative electrode film of lithium ion battery made of natural graphite particles of different tapping densities
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概要
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The relationship was experimentally investigated between the cycle performance and the packing structure of a negative electrode film made of natural graphite particles of different tapping densities. At the same packing density of the electrode film, the modal voiddiameter and volumetric resistance increased with the tapping density of graphite powder. It was considered due to the fact that contact areas among particles of massive one were smaller than these of flaky one. Though the discharge capacity of the electrodes made of high tapping density powder rapidly decreased at low packing density, these cycle performances were satisfactorily improved with small irreversible capacity at high packing density.
- 炭素材料学会の論文
炭素材料学会 | 論文
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