Preparation and Properties of Modified Ag/AgCl Marine Electric Field Electrode with Sodium Bicarbonate
LI Hongxia， SONG Yusu， XIAO Haijian
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(Department of Basic Courses， Naval University of Engineering， Wuhan 430033， Hubei， China)
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Published
2022-01-31
Issue Date
2022-03-01
Abstract
An Ag/AgCl marine electric field electrode with high porosity was developed by adding a certain amount of sodium bicarbonate(NaHCO3) foaming agent to the powder pressed Ag/AgCl electrode and utilizing the property that sodium bicarbonate decomposes and produces CO2 gas in the process of sintering at high temperature.The preparation process parameters of NaHCO3-Ag/AgCl electrode were studied from the analyzed and measured results of TG/DSC thermal analysis method and weighing method，and a complete set of preparation method of NaHCO3-Ag/AgCl powder pressed electrode was preliminarily formed. The measured results of electrochemical and detection performances of NaHCO3-Ag/AgCl electrode show that the exchange current density of the electrode is increased，the range stabiliizing time is significantly reduced，and the self noise is reduced.It shows that the electrochemical and detection performances of the developed electrode are improved compared with those before adding sodium bicarbonate.The preparation method of high porosity marine electric field electrode has good feasibility and application prospect.
LI Hongxia， SONG Yusu， XIAO Haijian.
Preparation and Properties of Modified Ag/AgCl Marine Electric Field Electrode with Sodium Bicarbonate. Acta Armamentarii. 2022, 43(1): 226-232 https://doi.org/10.3969/j.issn.1000-1093.2022.01.025
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