1) Nafion ionomer
Nafion聚离子
1.
Pt Nano-particles decorated with Nafion ionomers were successfully synthesized with chemical reduction.
采用化学还原的方法成功地合成了Nafion聚离子修饰的纳米Pt颗粒 ,平均粒径为～ 4nm ;由于表面缺电子的特性 ,纳米Pt粒子与Nafion高分子长链上的 SO-3 基团有较强的结合 ,使粒子随 SO-3 的存在状态而分散 ,在水溶液中呈现与离子团簇相似的分散状态。
2) Pt-Ni/Nafion
Nafion离子交换膜
1.
Ionic polymer metal composite(IPMC) materials with the structure of Pt-Ni/Nafion were successfully synthesized by chemical reduction.
采用渗透还原法制备了 Pt- Ni/ Nafion离子交换膜复合材料 ,还原出来的 Pt在 Nafion膜表面形成颗粒膜 ,在膜内部呈梯度分散 ;在 Pt颗粒膜外表面化学镀沉积 Ni作为电极层。
3) Nafion polymer
Nafion聚合物
1.
Pt/C-Nafion electrocatalyst was prepared by introducing Nafion polymer during the synthesis process, which was characterized by Thermogravimetry (TG), Energy Dispersive Spectrometer (EDS), X-ray diffraction (XRD), transmission electron microscope (TEM) and electrochemical method.
通过在合成过程中引入质子导体Nafion聚合物,制备了Pt/C-Nafion电催化剂。
2.
It was found that the catalyst layer prepared with glycol-made ink showed smoother surface,the catalyst particles and Nafion polymer were distributed more even in both solution and catalyst layers,the electrochemical surface area(ESA) of cathode catalyst layer increased 29.
结果表明,与乙醇相比,采用乙二醇为溶剂配制催化剂浆液制得的催化层更为平整;催化剂粒子和Nafion聚合物在溶液和催化层中的分布都更为均匀;催化层电化学活性表面积提高了约29。
4) polyanion
[,pɔli'ænaiən]
聚阴离子
1.
Poly(vinyl alcohol)(PVA)-based polyanion was prepared by esterification of PVA with sulfuric acid.
硫酸与聚乙烯醇(PVA)经酯化制备PVA聚阴离子电解质。
2.
Recent progress on the polyanion-type cathode materials for lithium ion batteries is reviewed.
综述了各种聚阴离子型锂离子电池正极材料的研究现状,重点对各种材料的结构和性能的关系,尤其是聚阴离子在正极材料中的作用,以及改善材料电导率的各种方法及其机理进行了总结和探讨。
5) polycation
[,pɔli'keiʃən]
聚阳离子
1.
Objective: To study synthesis and characterization of polycation-membrane material.
目的制备聚阳离子膜材料并表征。
2.
To develop novel degradable polycation with high transfection efficiency and low toxicity may become one.
聚阳离子非病毒载体具有性质稳定、无免疫源性、携载基因容量大、结构可灵活修饰以及易于制备等优点,目前正受到越来越多研究者的关注。
3.
The dextran-spermine polycations(DSP) as a non-virus gene vector have been prepared by the reduced-amine reaction between oxided dextran and spermine.
应用氧化葡聚糖与精胺通过还原胺法反应,制备了聚阳离子非病毒基因载体葡聚糖-寡胺化合物;用红外光谱测定仪、核磁共振波谱仪、紫外光谱仪,激光纳米粒度测定仪、透射电子显微镜进行了表征。
6) polysilicic ion
聚硅离子
1.
The system is composed of polysilicic ions and polyaluminous ions with the participation of polyaluminous ions, the Si-O specific line which is inherent in the examination of infrared spectrum is gradually reducing and becoming a broad belt, the non-ion bond reactions between polysilicic ion and polyaluminous ion is proved by observasion with electron microscopy.
稳定胶体态的硫硅聚铝和氯硅聚铝是性能优良的絮凝剂,体系中含有聚硅离子和聚铝离子。
补充资料：Nafion H
分子式：
CAS号：
性质：一种全氟代磺酸树脂。在有机合成上用作酸性催化剂，例如将二醇转变为环醚等。
CAS号：
性质：一种全氟代磺酸树脂。在有机合成上用作酸性催化剂，例如将二醇转变为环醚等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条