DME Dissociation Reaction on Platinum Electrode Surface: A Quantitative Kinetic Analysis by In Situ IR Spectroscopy | Zendy

Yi Zhang | Zendy; Yujin Tong | Zendy; LeiLei Lu | Zendy; Masatoshi Osawa | Zendy; Shen Ye | Zendy

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DME Dissociation Reaction on Platinum Electrode Surface: A Quantitative Kinetic Analysis by In Situ IR Spectroscopy

Author(s) -

Yi Zhang,

Yujin Tong,

LeiLei Lu,

Masatoshi Osawa,

Shen Ye

Publication year - 2009

Publication title -

journal of the electrochemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.258

H-Index - 271

eISSN - 1945-7111

pISSN - 0013-4651

DOI - 10.1149/1.3243847

Subject(s) - dissociation (chemistry) , chemistry , dehydrogenation , platinum , electrode , inorganic chemistry , carbon monoxide , dimethyl ether , hydrogen , photochemistry , analytical chemistry (journal) , catalysis , organic chemistry

The kinetics of electrocatalytic dissociation reaction of dimethyl ether (DME) on a platinum (Pt) polycrystalline electrode in an acidic solution yielding carbon monoxide (CO) has been quantitatively analyzed by in situ IR spectroscopy in the potential region between 100 and 500 mV (vs reversible hydrogen electrode). A two-step consecutive reaction model, an initial dehydrogenation step followed by a CO formation step, is proposed for the dissociation process of the DME molecule. The mechanism of the DME dissociation on the Pt electrode surface is discussed based on the kinetic analysis

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