Multi-species electrolyte migration kinetics with directed flow

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Abstract

This paper investigates an electrochemical process designed to control mixing kinetics in liquid electrolytes. The process utilizes an electrochemical cell with anode and cathode chambers connected by a channel without a membrane. This configuration depletes multiple electroactive species in the cathode chamber while selectively replenishing them in the anode chamber. A key application is the removal of impurity species from the cathode chamber electrolyte and the selective replenishment of primary electroactive species in the anode chamber. Aqueous cell experiments were conducted to validate the theoretical model, and simulations were performed for molten salt electrolytes. This approach minimizes waste by reducing the need for additional electrolyte supplies and extends the utilization of anion species, contributing to environmentally sustainable electrochemical materials processing.

Original languageEnglish
Article number132069
JournalSeparation and Purification Technology
Volume363
Early online dateFeb 15 2025
DOIs
StateE-pub ahead of print - Feb 15 2025

Keywords

  • Electrochemical Process
  • Ionic Species Migration
  • Mass Transfer Kinetics
  • Metal Electrorefining
  • Molten Electrolytes

INL Publication Number

  • INL/JOU-24-81958
  • 189879

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