首页> 外国专利> Manufacturing method of graphites for lithium-ion battery anode materials and Manufacturing Method lithium-ion battery electrode using graphites manufactured by the method

Manufacturing method of graphites for lithium-ion battery anode materials and Manufacturing Method lithium-ion battery electrode using graphites manufactured by the method

机译:用于锂离子电池负极材料的石墨的制造方法和使用通过该方法制造的石墨的锂离子电池电极的制造方法

摘要

Disclosed are a method for producing graphite for negative electrode materials in lithium ion batteries, and a method for producing an electrode for lithium ion batteries using graphite produced thereby. According to an embodiment of the present invention, the method for producing the graphite for negative electrode materials in lithium ion batteries comprises the following steps: (a) preparing a hydrogel solution; (b) mixing a carbon precursor with a hydrofluoric acid solution and applying ultrasonic waves to the mixture; (c) mixing and reacting the hydrogel solution prepared in the step (a) with the carbon precursor which has been reacted in the step (b); (d) carbonizing the mixture which had completed the reaction in the step (c); and (e) graphitizing the mixture carbonized in the step (d).
机译:本发明公开了一种锂离子电池负极材料用石墨的制造方法以及使用该石墨制造的锂离子电池用电极的制造方法。根据本发明的一个实施方式,锂离子电池负极材料用石墨的制造方法包括以下步骤:(a)制备水凝胶溶液; (b)将碳前体与氢氟酸溶液混合并向混合物施加超声波; (c)使步骤(a)中制备的水凝胶溶液与已经在步骤(b)中反应的碳前体混合并使之反应; (d)碳化步骤(c)中已完成反应的混合物; (e)将步骤(d)中碳化的混合物石墨化。

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