کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
182741 459440 2006 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Pt/Ru-functionalized magnetic spheres for a magnetic-field stimulated methanol and oxygen redox processes: Towards on-demand activation of fuel cells
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Pt/Ru-functionalized magnetic spheres for a magnetic-field stimulated methanol and oxygen redox processes: Towards on-demand activation of fuel cells
چکیده انگلیسی

Pt/Ru-functionalized magnetic spheres were used for a magnetic-field stimulated methanol oxidation and oxygen reduction processes. The electrocatalytic alloy magnetic particles were prepared by a galvanostatic co-deposition of platinum and ruthenium onto nickel spheres. The electrocatalytic oxidation of methanol and reduction of oxygen could be triggered by switching the position of an external magnet below the surface of the carbon electrode to confine the Pt/Ru-coated particles. The magnetic stimulation of the redox processes of methanol and oxygen allowed the reversible activation and deactivation of the operation of direct-methanol fuel cells. Such switching of fuel cells would enable on-demand power generation, for meeting the specific needs of power consuming units.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochemistry Communications - Volume 8, Issue 7, July 2006, Pages 1106–1110
نویسندگان
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