【摘 要】
：
The electroless nickel (EN)plating process is a complicated heterogeneous catalytic process.It is well known that phosphorous doping in EN plating is derived from hypophosphite,a reducing agent for EN
【机 构】
：
School of Chemistry and Chemical Engineering,Sun-Yat Sen University,Guangdong,Guangzhou,510275
论文部分内容阅读
The electroless nickel (EN)plating process is a complicated heterogeneous catalytic process.It is well known that phosphorous doping in EN plating is derived from hypophosphite,a reducing agent for EN plating.However,the reduction mechanism of hypophosphite remains unclear so far.
其他文献
LiMnPO4/C materials were prepared by solid state reaction method by using traditional raw materials,surfactant-assisted precipitated NH4MnPO4·H2O as reactants respectively,and the structural and elect
LiNi0.5Mn1.5O4是通过向LiMn2O4掺杂Ni得到的新一代高电压锂离子电池正极材料,其结构与LiMn2O4相似,为尖晶石结构.并当Ni代替部分Mn后,改善了Mn3+存在导致的LiMn2O4结构不稳定性,LiNi0.5Mn1.5O4具有高的能量密度、高的充放电平台、良好的倍率充放电性能以及低成本易于合成等优点,是正极材料中的研究热点.
过渡金属氧化物作为Li-O2电池正极催化剂已有广泛的关注,其中Co3O4能够明显提高Li-O2电池的循环性能,引起了极大重视.我们在实验过程中发现,基于CoO制备的Li-O2正极催化剂与Co3O4正极催化剂相比,表现出更为突出的循环稳定性.
合成了一种介孔碳材料,BET测试表明,比表面积为513.1143cm2/g,孔隙平均宽度为5.33311 nm,孔径主要分布在2-20nm之间.在此基础上,合成了介孔碳/硫复合材料,电化学研究表明,首次放电比容量为1419mAh/g,30次循环后放电比容量为369mAh/g.
氟化磷酸盐系列材料因氟离子的强电负性带来更高的电压,并且还可能出现两个或两个以上的电子转移,从而带来更高的比容量,因此近几年引起了人们的广泛关注.Na2MnPO4F,Li2MnPO4F有较合适的电压和较高的容量,加之Mn资源丰富等原因,是比较有发展潜力的新型钠/锂离子电池材料.
氢能通过多种方式进入金属材料结构件的内部,比如冶炼、加工、酸洗、电镀以及环境中服役过程.金属材料中的氢对材料力学性能、界面反应活性和环境促进开裂均有显著影响[1-7].曾一民[5]等曾研究了氢对镍钝化膜性能的影响.镍基合金或者铁镍基合金已应用于核电站关键部件.
随着化工等产业的发展,大量成分复杂的有毒废水被排放到自然界,使生态环境、人类健康面临着巨大的挑战.电化学氧化作为一种高级氧化技术(AOPs),以其高效、适应性广而受到广泛关注.电极是电催化氧化的核心,相对于其他电极,钛基SnO2电极由于其很高的析氧电位而备受青睐,也最具应用前景[1][2].
The enhancement of Ga incorporation into the CIGS thin film by electrodeposition has been realized.One-step electrodeposition Cu(In,Ga)Se2 thin films under different hydrogen peroxide (H2O2) concentra
Copper has been applied as an interconnect material for the fabrication of ultra-large-scale integrated (ULSI)circuits [1] and printed circuit boards (PCBs).The copper metallization process is based o
Titanium oxycarbide (TiCxOy)has been widely applied in surface decorative fields1.More recently,it was reported that TiCxOy can be the consumable anode for a novel electrowinning process of titanium,i