Abstract

Nowadays, the lithium-ion batteries are leading kind of secondary electrochemical power sources. The production along with demand for lithium-ion batteries increase annually. The manufactures mainly use common chemistry and material components. There is tend to increase volumetric and gravimetric energy density of the standardised cell formats like 18650 or 26650. The one of the key parameters is the capacity of the electrode and its thickness. The increasing or decreasing any of them has strong influence on capacity, stability, cyclability and rate-capability performance of the cell. This text describes the experiments dealing with manufacturing negative electrodes for lithium-ion batteries based on natural graphite. The electrodes were manufactured under various parameters of technology process, the optimum electrode thickness was evaluated with correlation to the electrode capacity and rate-capability parameter.

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