Development and optimization of durable microelectrodes for quantitative electroanalysis in molten salt

Ewen O. Blair, Damion K. Corrigan, Jonathan G. Terry, Andrew R. Mount, Anthony J. Walton

Research output: Contribution to journalArticle

10 Citations (Scopus)
36 Downloads (Pure)

Abstract

Microfabricated square electrodes with finely controlled highly reproducible dimensions have been developed for electrochemical analysis of high-temperature molten salt (MS). These microelectrodes have been fabricated using photolithographic techniques on silicon wafers and have been designed for operation in lithium chloride/potassium chloride eutectic salt at and ~500 °C. The electrodes are constructed from a series of patterned layers, and their development has involved a systematic study and optimization of a number of different material combinations. This has resulted in a process for making electrodes that represents a step change in capability, delivering the first robust microelectrode device capable of quantitative electroanalysis in a MS system at 500 °C.
Original languageEnglish
Pages (from-to)1346-1354
Number of pages9
JournalJournal of Microelectromechanical Systems
Volume24
Issue number5
DOIs
Publication statusPublished - 31 Oct 2015

Keywords

  • microelectrodes
  • molten salt
  • microfabrication
  • high temperatures

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