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Synthesizing Graphene Oxide as a Working Electrode for Decreasing pH with Alkaline Water Electrolysis

Author(s): Pirim Setiarso and Aldwin Amireza

This research has been done with synthesizing graphene oxide (GO) using Hummer method as a working electrode in a part of alkaline water electrolysis. The aim of this research is to know the optimum composition between GO and paraffin as an adhesive material, and so on to be used for electrolyzing the alkaline water. The sample that will be analyze is a water that has pH value 8; 8.5; and 9. Composition for working electrode that will be tested by cyclic voltammetry are 5:5, 6:4, 7:3, 7.5:2.5, 8:2. Cyclic voltammetry test is run by scan rate at 100 mV/s and deposition time at 10 s. The result of cyclic voltammetry test described that 8:2 has the optimum composition and optimum pH was given to pH 9. This result later used for working electrode of alkaline water electrolysis that reached decreasing value 0.01 for each 20 minute gradually from pH 9.00 to 8.40.

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  • Open J Gate
  • China National Knowledge Infrastructure (CNKI)
  • Cosmos IF
  • Geneva Foundation for Medical Education and Research

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