Electrode structure for preparing graphene by using electrochemical method of graphite powder

Abstract

The invention discloses an electrode structure for preparing graphene by using an electrochemical method of graphite powder. The electrode structure comprises two cathode plate groups, an anode plate and a U-shaped frame, wherein the U-shaped frame is an insulating part with an upward notch, an inner groove of the U-shaped frame is through in the left-right direction, the two cathode plate groups are vertically arranged in the U-shaped frame along the front-back direction and are distributed in the U-shaped frame along the left-right direction at intervals, and the two cathode plate groups and the U-shaped frame jointly define a groove chamber with an upward notch; insulating grating plates are arranged on the sides, close to each other, of the two cathode plate groups, each grating plate is provided with a plurality of grating holes, and the opening sides of the grating holes in the two grating plates are close to each other; cathode plates are arranged in the two cathode plate groups; each cathode plate group is provided with a left-right through drainage channel, and the anode plate is vertically clamped between the two cathode plate groups along the front-back direction and blocks the opening sides of the grating holes in the two grating plates; and the anode plate is uniformly provided with left-right through flow dredging holes. According to the invention, graphene preparation cost is low, and preparation efficiency is high.

Description

technical field [0001] The invention belongs to the field of graphene preparation devices, in particular to an electrode structure for preparing graphene by electrochemical method of graphite powder. Background technique [0002] At present, the methods for preparing graphene include mechanical exfoliation method, redox method, chemical vapor deposition method, epitaxial growth method and electrochemical method. The efficiency of graphene prepared by mechanical exfoliation is very low, and the reduced graphene oxide prepared by redox method has great defects. Unlike the first two methods, graphene prepared by electrochemical method has a nearly complete structure and a large specific surface area. , and low oxidation defects, but the anode materials used in the preparation of graphene by electrochemical methods in the past are often graphite rods or commercial flexible graphite paper, so the efficiency of graphene preparation is extremely low, and the cost of using graphite ...

AI Technical Summary

Problems solved by technology

The efficiency of graphene prepared by mechanical exfoliation is very low, and the reduced graphene oxide prepared by redox method has great defects. Unlike the first two methods, graphene prepared by electrochemical method has a nearly complete structure and a large specific surface area. , and low oxidation defects, but the anode materials used in the preparation of graphene by electrochemical methods in the past are often graphite rods or commercial flexible graphite paper, so the efficiency of graphene preparation is extremely low, and the cost of using graphite rods and commercial flexible graphite paper is not high. Facilitate mass production

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