製備貴金屬均勻分散於鐵顆粒表面之方法/METHOD FOR SPREADING NOBLE METAL ON IRON PARTICLE SURFACE
  ‧ 專利名稱
  ‧ 專利證書號
  ‧ 專利權人 國立臺灣大學
  ‧ 專利國家
    (申請日)
美國 (2006/10/23)
  ‧ 發明人 劉雅瑄, 駱尚廉, 林進榮,
 
技術摘要:
method for spreading noble metal on an iron particle surface includes: providing a plurality of iron particles, cleaning the iron particles up and separating the iron particles from cleaning water, drying the iron particles, placing the iron particles into a heater oven with a reaction gas, heating the iron particles for oxidation reduction, placing the iron articles into a noble-metal-ion solution for immersion plating, processing the iron particles with a solid-and-liquid separation, and then drying the iron particles. Wherein the heating temperature of the heating oven ranges from 300 to 500 degrees centigrade and the duration thereof ranges from 3 to 5 hours. Whereby, the iron particles are activated first in order to react with the noble metal so that the activity and the uniformity of the noble metal attached to the iron surface is improved.




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