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MECHANICAL MODIFICATION METHOD BY BALL MILLING WITH NATURAL GRAPHITE AND MODIFIED NATURAL GRAPHITE-BASED NEGATIVE ELECTRODE MATERIAL

机译:天然石墨球和修饰天然石墨基负极材料球磨的机械改性方法

摘要

PROBLEM TO BE SOLVED: To improve the initial discharge efficiency of natural graphite, reduce the irreversible capacity and improve the cycle performance of natural graphite by a low-cost balling mill mechanical modification technique.;SOLUTION: A mechanical modification method by ball milling with natural graphite includes a mixing step of adding a ball, a ball milling medium and a graphite powder raw material in a ratio of (0.5-20):(0.1-10):1 to a ball mill can body and mixing together, a crushing step of crashing at a revolution speed of 600 r/min or lower for 2-120 min by using the ball mill, and a drying step of removing the ball milling medium and performing drying.;COPYRIGHT: (C)2015,JPO&INPIT
机译:要解决的问题:通过低成本的球磨机机械改性技术,提高天然石墨的初始放电效率,降低不可逆容量并改善天然石墨的循环性能。;解决方案:采用天然球磨的机械改性方法石墨包括将球,球磨介质和石墨粉原料以(0.5-20):( 0.1-10):1的比例添加到球磨罐主体并混合在一起的混合步骤,破碎步骤使用球磨机以600 r / min或更低的转速撞击2-120 min的过程,以及除去球磨介质并进行干燥的干燥步骤。;版权所有:(C)2015,JPO&INPIT

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