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首页> 外文期刊>JFE technical report >High-performance KMFC Graphite Powder for Lithium Ion Secondary Battery
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High-performance KMFC Graphite Powder for Lithium Ion Secondary Battery

机译：高性能锂离子二次电池KMFC石墨粉

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摘要

The KMFC developed by JFE Steel and JFE Chemical is a distinctive carbon material having a spherical shape and is easily graphitized. With these characteristics, the developed KMFC can be used as a raw material for high-density, high-strength carbon materials, and the KMFC graphite powder can be used as the negative electrode material for lithium ion secondary batteries. Demand for higher capacity lithium ion secondary batteries is increasing year after year, and so a higher capacity negative electrode . material is required. In response, JFE Steel Group has increased the capacity by improving the raw material and manufacturing conditions, and has developed a KMFC graphite powder that has a discharge capacity of 350 mAh/g, which is about 40 mAh/g greater than that of the conventional type. This high-capacity KMFC graphite powder also shows excellent discharge rate characteristics. JFE Steel Group has the world's largest KMFC manufacturing facilities which assure sable supply of products, and the operating period of the facilities is also the longest in the world. JFE Steel Group is continuing R&D to ensure the delivery of products with stable quality that meet customers' requirements.
机译：JFE Steel和JFE Chemical开发的KMFC是一种独特的碳材料，具有球形形状，并且易于石墨化。具有这些特性，所开发的KMFC可以用作高密度，高强度碳材料的原料，并且KMFC石墨粉可以用作锂离子二次电池的负极材料。对更高容量的锂离子二次电池的需求逐年增长，因此，更高容量的负极也是如此。材料是必需的。作为回应，JFE钢铁集团通过改善原材料和制造条件来提高容量，并开发出一种KMFC石墨粉，其放电容量为350 mAh / g，比传统的大约40 mAh / g。类型。这种高容量的KMFC石墨粉还具有出色的放电速率特性。 JFE钢铁集团拥有世界上最大的KMFC生产设施，可确保稳定的产品供应，并且该设施的运营时间也是世界上最长的。 JFE钢铁集团正在继续研发，以确保交付满足客户要求的稳定质量的产品。

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