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Title: Electrocatalytic properties of La-manganites prepared by low temperature synthesis
Authors: Sharma, T
Singh, N K
Tiwari, S K
Singh, R N
Issue Date: Feb-1998
Publisher: NISCAIR-CSIR, India
Abstract: Pure and strontium substituted lanthanum manganites were prepared by a sol-gel route and their electrocatalytic properties, in the form of film electrodes, were studied in relation to.O2 evolution. Results showed that the catalytic activity of new oxides in 1 M KOH at 25°C was 25-100 times higher than ones obtained by a conventional ceramic method. The Tafel slopes were ranging 90-114 mV decade and the reaction order in OH- concentration was found to be approximately one. Strontium substitutions have been observed to be greatly beneficial from electrocatalysis stand-point.
Page(s): 38-42
ISSN: 0975-1017 (Online); 0971-4588 (Print)
Appears in Collections:IJEMS Vol.05(1) [February 1998]

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