Dual-doped templated non precious metal catalysts and porous metal-free catalysts for oxygen reducti

来源 :中国化学会第十七次全国电化学大会 | 被引量 : 0次 | 上传用户:yxhzhy
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
  In a fuel cell,the cathodic oxygen reduction reaction (ORR) is the most challenging step,since the strong O = O bond (498 kJ mol-1) with very slow ORR rate has a much larger overpotential (or polarization) than that of hydrogen oxidation reaction (HOR) at the anode[1].
其他文献
会议
会议
会议
The effects of gamma irradiation on the microbial,physical characteristics,sensory qualities,and antioxidant activity of cooked soybean sprouts (Kongnamul Muchim) were investigated.Gamma irradiation a
会议
The effects of infusion temperature and time,and ultra sonification-assisted process infusion on the physico-chemical properties of tea infusion such as total soluble matter(TSM)content,catechins cont
会议
会议
会议
Alcohol fuel cells are of great interest in academic and industrial fuel cell research due to their high volumetric energy density,compared to hydrogen/air fuel cells,and have high potential as an env
会议
Electrocatalytic oxygen reduction reaction (ORR) play a critical role in the development of fuel cells and metal-air batteries,which are promising technologies for portable,residential and especially
会议
近来,由纳米球、纳米线、纳米棒等初级结构单元构成的Pt和Pd三维纳米粒子聚集体因其独特 的结构特性,如较多的纳米孔洞、较大的比表面积以及三维互联结构等,受到越来越多的关注.较 多的纳米孔洞能促进燃料分子在电极上扩散;较大的比表面积既能避免碳载体的使用,还能减少贵 金属的使用量;三维互联结构能有效降低贵金属纳米粒子的溶解、迁移、聚集及Ostwald熟化.
会议