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We have successfully synthesized a 3D-NbOx supported Pt composite as oxygen reduction reaction (ORR) catalyst. 3D-NbOx support is prepared by using KIT-6 hard template, and 3D-NbOx supported Pt composite is prepared by reducing H2PtCl6 and depositing Pt nanoparticles onto 3D-NbOx framework. Physical tests show that 3D-NbOx has an ordered framework, and that in Pt/3D-NbOx composite, ultra fine Pt nanoparticles...
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