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Citation: HUANG Lu, YANG Yao, PAN Daodong. Electrocatalytic Oxidation of Ammonia with Ir Catalysts Supported on TiO₂[J]. Chinese Journal of Applied Chemistry, ;2013, 30(5): 584-589. doi: 10.3724/SP.J.1095.2013.20311 shu

Electrocatalytic Oxidation of Ammonia with Ir Catalysts Supported on TiO₂

HUANG Lu ^a, ,
YANG Yao ^a ,
PAN Daodong ^a,b

a. Ginling College, Nanjing Normal University, Nanjing 210097, China;
b. School of Marine Science, Ningbo University, Ningbo 315211, China

Received Date: 13 July 2012
Revised Date: 10 August 2012

The influence of the crystal structure of TiO₂ on the electrocatalytic performance of Ir catalyst supported on TiO₂(Ir/TiO₂) for the ammonia oxidation was is investigated. It shows that the electrocatalytic performance of the Ir/TiO₂ with rutile structure(Ir/TiO₂-R) is much better than that of the Ir/TiO₂ with the anatase structure(Ir/TiO₂-A). The physicochemical and electrochemical characterizations reveal that the enhancement in the electrocatalytic performance of the Ir/TiO₂-R catalyst may be attributed to the uniform dispersion of Ir nanoparticles and a large surface area of TiO₂-R.
- ammonia oxidation,
- iridium catalyst supported on titanium dioxide,
- rutile structure,
- anatase structure,
- current type electrochemical sensor
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Electrocatalytic Oxidation of Ammonia with Ir Catalysts Supported on TiO₂