【摘 要】
：
The electro-oxidation of sulfide on platinum electrode is found to possess fascinating nonlinear behaviors,including oscillations and spatiotemporal patterns,by using electrochemical methods and a cha
【机 构】
：
College of Chemical Engineering,China University of Mining and Technology,Xuzhou,Jiangsu,221116
论文部分内容阅读
The electro-oxidation of sulfide on platinum electrode is found to possess fascinating nonlinear behaviors,including oscillations and spatiotemporal patterns,by using electrochemical methods and a charge coupled device cameral.It is observed that multiple oscillations[1-2] and rich spatiotemporal patterns[3-4] exist in a wide potential range under different conditions.
其他文献
采用原位聚合法制备导电聚苯胺-四氧化三钴(PANI/Co3O4)复合材料并制成阳极.考察了PANI/Co3O4 阳极在CuSO4-H2SO4 体系中的电化学性能,并模拟铜电积试验,探讨槽电压、加速寿命和阴极铜质量,利用FT-IR 对聚苯胺基阳极的结构进行分析.结果表明,PANI/Co3O4 阳极具有较好的电催化活性,其中PANI/Co3O4(5wt％)阳极的电催化活性最好,与Pb-Ag 阳极相比,
PVP is an important capping agent in nanoparticle synthesis.When PVP is employed in Ag,Pd,Ptnanoparticles synthesis,cube is the major product.Meanwhile,PVP sticks strongly onto the surface and isdiffi
Sodium tetrahydroborate (NaBH4) is a versatile reducing agents in various organic and inorganic processes1,2.The high percentage present and release of hydrogen in NaBH4 makes it the most attractive c
在碳材料上引入氧、氮活性官能团不仅可增加表面润湿性,提高双电层电容,而且具有氧化还原反应特性,使赝电容增大甚至成为主体.全钒液流电池的商业示范,使聚丙烯腈基碳纤维(PAN-CF)作为电极材料被广泛应用.为提高钒离子电对的电催化性能,各种改性方法和催化作用机制被提出,其中主要涉及含氧活性官能团.具有赝电容特性的含氧活性官能团主要为羧基、羰基和羟基,它们对很多氧化还原电对具有电催化活性,例如Fe2+/
Intermetallic compound catalysts have garnered considerable interest because they exhibit distinctly different and often superior electrocatalytic activity over pure monometallic systems[1-5].The inve
二氧化碳电化学还原反应将核能或可再生能源与二氧化碳利用相结合,在相对温和的反应条件下将二氧化碳转化为一氧化碳、甲烷及甲醇等高附加值燃料和化学品,从而实现了电能向化学能的直接转化,具有极其潜力的应用前景[1].
Au nanoparticles (NPs) feature unique physicochemical properties that include longitudinal surface plasmon resonances (LSPR),easy surface modification and good catalytic properties for a variety of ox
采用化学聚合法制备聚苯胺/碳纤维(PANI/OCFP)复合材料,使用适量胶黏剂将该复合材料调成浆状后涂覆在碳纸上制成阳极,考察聚苯胺/碳纤维复合阳极在ZnSO4-H2SO4 体系中的电化学性能(循环伏安曲线、交流阻抗曲线),利用FT-IR 对PANI/OCFP 复合材料的结构进行分析,利用DHV-1000 晶相光学显微镜检测聚苯胺在碳纤维上的负载情况。结果表明,PANI/OCFP 阳极有较好的电化
苯胺类导电聚合物因具有原料易得,制备简单,高的导电性、高的电化学活性和化学稳定等特点,而被广泛地作为电极材料进行研究.同时,苯胺类导电聚合物的高电化学活性的电位范围又是甲醇的电化学氧化电位区间,因此,将其作为Pt 纳米粒子载体并应用于甲醇的电化学氧化已成为电极材料研究的热点之一[1-4].
The catalyzed oxidation of hydroquinone to benzoquinone is an economic and ecological route to achieve the conversion of phenolic waste from industrial effluent into useful products.Obviously,the cata