Batch preparation method of graphene

石墨烯的批量制备方法

  • Inventors: DAI JIALONG
  • Assignees: 戴加龙
  • Publication Date: August 24, 2016
  • Publication Number: CN-105883767-A

Abstract

The invention discloses a batch preparation method of graphene. The method comprises the following steps of: S1, injecting graphite flakes and a stripper into a ball-milling tank, wherein the stripper comprises 100 parts of water, 1-10 parts of naphthalene sulfonate and 1-3 parts of sand milling agent; S2, carrying out ball milling for 4-48 hours, wherein the speed of a ball mill is over 2000rpm/min; S3, discharging upper layer suspension into a material storage tank after stopping reaction, and standing; S4, conveying graphene suspension to a centrifuge to be centrifuged and carrying out vacuum filtration on supernatant after centrifuging to obtain a filter cake; and S5, washing and freeze-drying the filter cake. The preparation method has the advantages that equipment is not corroded and the graphene structure is not damaged while graphene is stripped.
本发明公开了一种石墨烯的批量制备方法,该方法包括以下步骤:S1.将石墨鳞片和剥离液注入球磨罐内,其中剥离液的组成为:水100份、萘磺酸盐1~10份、磨砂剂1~3份;S2.球磨4~48h,球磨机的转速为2000rpm/min以上;S3.停止反应后将上层悬浮液排出至储料罐内,静置;S4.将石墨烯悬浮液输送至离心机内离心,离心后取上层清液真空过滤得到滤饼;S5.将滤饼洗涤,冷冻干燥。该制备方法在剥离石墨烯的同时,不腐蚀设备,不损伤石墨烯结构。

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