Feasibility of hydrogen production from coal electrolysis at intermediate temperatures

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Abstract

Hydrogen production via coal electrolysis was evaluated at intermediate temperatures (40-108 °C). A coal electrolytic cell (CEC) was designed and constructed to carry out galvanostatic experiments with concentrated electrolyte (4 M H2SO4). Operating temperatures above 100 °C were found to significantly improve the kinetics of electro-oxidation of coal, coal conversion, and CO2/coal Faradaic efficiency. CO2/coal Faradaic efficiencies and coal conversions of up to 57.29 and 3.21%, respectively, were observed at 108 °C.

Original languageEnglish
Pages (from-to)826-834
Number of pages9
JournalJournal of Power Sources
Volume171
Issue number2
DOIs
StatePublished - Sep 27 2007

Keywords

  • Coal conversion
  • Coal electrolysis
  • Coal electrolytic cell
  • Coal gasification
  • Coal utilization
  • Hydrogen production

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