▎ 摘 要
NOVELTY - Hollow graphene preparation involves dispersing graphene oxide in a buffer solution. The first electrode is used as working electrode. The buffer solution is selected from acetate buffer solution, phosphoric acid buffer solution or Britton-Robison buffer solution. USE - Method for preparing hollow graphene (claimed). ADVANTAGE - The method enables to prepare hollow graphene in a simple and eco-friendly manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing hollow graphene, which involves: (A) using the first electrode as working electrode, pair electrode as platinum electrode and reference electrode as saturated calomel electrode; (B) scanning graphene oxide; and (C) scanning potential range by pH solution.