You need JavaScript to view this

Correlations between electrochemical activity and heterogeneous catalysis for hydrogen dissociation on platinum

Journal Article:

Abstract

Hydrogen-deuterium exchange rates on platinum surfaces have been compared to equivalent hydrogen molecule and adsorbed hydrogen atom electrochemical oxidation rates on the same surfaces. Over a temperature range of 293 to 360/sup 0/K the first order rate constants for H/sub 2/-D/sub 2/ exchange and hydrogen molecule electrochemical oxidation are the same, showing that the absorption-dissociation reaction (TAFEL, BONHOEFFER-FARKAS) is rate controlling. The rate of oxidation of the adsorbed hydrogen atom reaction involving electron transfer (VOLMER) is an order of magnitude larger.
Authors:
Ross, P N; Stonehart, P [1] 
  1. Pratt and Whitney Aircraft, Middletown, Conn. (USA)
Publication Date:
Feb 01, 1975
Product Type:
Journal Article
Reference Number:
AIX-07-243921; EDB-76-075700
Resource Relation:
Journal Name: J. Res. Inst. Catal., Hokkaido Univ.; (Japan); Journal Volume: 22:1
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; 08 HYDROGEN; DEUTERIUM; ISOTOPIC EXCHANGE; HYDROGEN; DISSOCIATION; ADSORPTION; CATALYSIS; CHEMICAL REACTION KINETICS; ELECTROCHEMISTRY; OXIDATION; PLATINUM; SURFACE PROPERTIES; TEMPERATURE DEPENDENCE; CHEMICAL REACTIONS; CHEMISTRY; CRYOGENIC FLUIDS; ELEMENTS; FLUIDS; HYDROGEN ISOTOPES; ISOTOPES; KINETICS; LIGHT NUCLEI; METALS; NONMETALS; NUCLEI; ODD-ODD NUCLEI; PLATINUM METALS; REACTION KINETICS; SORPTION; STABLE ISOTOPES; TRANSITION ELEMENTS; 400203* - Isotope Exchange & Isotope Separation- (-1987); 400201 - Chemical & Physicochemical Properties; 080800 - Hydrogen- Properties & Composition
OSTI ID:
7358876
Country of Origin:
Japan
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: JRINA
Submitting Site:
INIS
Size:
Pages: 22-41
Announcement Date:
Jul 01, 1976

Journal Article:

Citation Formats

Ross, P N, and Stonehart, P. Correlations between electrochemical activity and heterogeneous catalysis for hydrogen dissociation on platinum. Japan: N. p., 1975. Web.
Ross, P N, & Stonehart, P. Correlations between electrochemical activity and heterogeneous catalysis for hydrogen dissociation on platinum. Japan.
Ross, P N, and Stonehart, P. 1975. "Correlations between electrochemical activity and heterogeneous catalysis for hydrogen dissociation on platinum." Japan.
@misc{etde_7358876,
title = {Correlations between electrochemical activity and heterogeneous catalysis for hydrogen dissociation on platinum}
author = {Ross, P N, and Stonehart, P}
abstractNote = {Hydrogen-deuterium exchange rates on platinum surfaces have been compared to equivalent hydrogen molecule and adsorbed hydrogen atom electrochemical oxidation rates on the same surfaces. Over a temperature range of 293 to 360/sup 0/K the first order rate constants for H/sub 2/-D/sub 2/ exchange and hydrogen molecule electrochemical oxidation are the same, showing that the absorption-dissociation reaction (TAFEL, BONHOEFFER-FARKAS) is rate controlling. The rate of oxidation of the adsorbed hydrogen atom reaction involving electron transfer (VOLMER) is an order of magnitude larger.}
journal = {J. Res. Inst. Catal., Hokkaido Univ.; (Japan)}
volume = {22:1}
journal type = {AC}
place = {Japan}
year = {1975}
month = {Feb}
}