Air-breathing laminar flow-based direct methanol fuel cell with alkaline electrolyte

Ranga S. Jayashree, Daniela Egas, Jacob S. Spendelow, Dilip Natarajan, Larry J. Markoski, Paul J.A. Kenis

Research output: Contribution to journalArticle

Abstract

We report the performance of an air-breathing laminar flow-based fuel cell (LFFC) operated in alkaline and acidic media. These direct methanol fuel cells exhibit open-circuit potentials of 0.93 and 1.05 V in acidic and alkaline media, respectively, demonstrating the absence of methanol crossover in both media. The LFFCs perform better in alkaline media under identical reaction conditions due to improved reaction kinetics at high pH. Further electrochemical investigation of these differences in reaction kinetics at the anode and cathode is also reported.

Original languageEnglish (US)
Pages (from-to)A252-A256
JournalElectrochemical and Solid-State Letters
Volume9
Issue number5
DOIs
StatePublished - Apr 3 2006

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

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