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NEW DEVELOPMENTS IN THE ADVANCED GRAPHITE FOR LITHIUM-ION BATTERIES

机译:锂离子电池高级石墨的新发展

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In this paper, three generations of natural graphite are described in order to show the evolution in understanding of which physical and electrochemical requirements are needed to make usable graphite for practical lithium-ion batteries. Of the three alternative types of carbonaceous materials discussed in the paper, the optimum has been found to be natural graphite. Its behavior has been compared with the behavior of graphitic mesophase carbon microbeads and hard carbon materials. The comparison allowed summarizing key guidelines to design new generations of active materials. The capacity, irreversible capacity loss, rate capability, safety and packing density are some of the key characteristics, we concluded, are essential when developing new generations of high packing density and low surface area graphitic carbons.
机译:在本文中,对三代天然石墨进行了描述,目的是为了展示在理解哪些物理和电化学要求以制造适用于实际锂离子电池的石墨方面的发展。在本文讨论的三种含碳材料中,最理想的是天然石墨。已将其行为与石墨中间相碳微珠和硬碳材料的行为进行了比较。通过比较,可以总结出设计新一代活性材料的关键准则。我们得出结论,容量,不可逆容量损失,速率能力,安全性和堆积密度是一些关键特性,对于开发新一代的高堆积密度和低表面积石墨碳至关重要。

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