▎ 摘　　要

NOVELTY - The device has an electrochemical unit (110) for exfoliating graphene flakes by electrochemical technique. A filtration unit separates the graphene flakes from electrolyte solution. A guiding path is coupled to the electrochemical unit for transporting the graphene flakes and the electrolyte solution to the filtration unit. A grading collection unit (140) receives the graphene flakes separated by the filtration unit and separates different sized graphene flakes. A graphite electrode set (114) includes graphite electrodes for passing positive electricity and negative electricity. USE - Device for continuously producing graphene flakes by electrochemical technique. ADVANTAGE - The device allows an auxiliary heating device with a microwave ultrasound or non-contact heating device for heating the electrochemical unit so as to improve efficiency of producing graphene. The device provides functions of an auxiliary heating system for providing heat energy to the graphite electrode and the electrolyte solution to expedite electrochemical reaction, thus maintaining constant temperature of an auxiliary heating system to maintain stable and high quality of a graphene product in mass production in an electrochemical, easy, continuous and quick manner and reducing labor intensity and manufacturing time of the device. The device allows a sieve provided with larger meshes to be installed at top such that the sieve with smaller meshes is installed at bottom, so that the sieve with different meshes can be used for separating the graphene flakes of different sizes and a sieve vibrating device is provided for vibrating the sieve, thus improving efficiency of separating the graphene flakes of different sizes. The device is designed such that a pH meter and an electrolyte solution level monitoring device can be installed to facilitate process of supplementing the electrolyte solution at appropriate time so as to maintain continuous operation of the auxiliary heating system. DETAILED DESCRIPTION - The graphite electrode is made of material selected from a collection of natural graphite, highly crystalline graphite, coke-based artificial graphite, mesophase pitch-based artificial graphite, polymer based artificial graphite, carbon fiber, graphite fiber and carbonlcarbon composite. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of a device for continuously producing graphene flakes by electrochemical technique. Electrochemical unit (110) Positive and negative electrode time-switching DC power (111) Electrolytic bath (113) Graphite electrode set (114) Grading collection unit (140)