1)  Pt-Ru/C
Pt-Ru/C
1.
Two high performance electrocatalysts——Pt/C and Pt-Ru/C, for proton-exchange membrane fuelcell (PEMFC) were prepared and evaluated.
本文介绍两种自制的PEMFC电催化剂──Pt/C和Pt-Ru/C催化剂。
2)  Pt-Ru/C catalyst
Pt-Ru/C催化剂
1.
The Pt-Ru particles of the Pt-Ru/C catalyst were found to be with high alloying extent, small average size and low relative crystallinity when the Pt-Ru/C catalyst was prepared with the general chemical reduction method in the mixture solution of tetrahydrofuran (THF) and H2O.
与在纯水中制得的Pt-Ru/C催化剂相比,其Pt-Ru粒子的合金化程度高、平均粒径较小且相对结晶度低,因此,该催化剂对甲醇氧化的电催化活性远高于在纯水中制得的Pt-Ru/C催化剂。
2.
The electrocatalytic activity of the Pt-Ru/C catalyst for the methanol oxidation is much higher than that of the commercial E-TEK Pt-Ru/C catalyst with the similar average size and relative crystalli.
在含四氢呋喃(THF)的水溶液中,室温下用NaBH4还原H2PtC l6和RuC l3制得Pt-Ru/C催化剂。
3)  Pt_Ru/C
Pt_Ru/C
1.
The XRD results indicate that part of Pt atoms in the Pt_Ru/C catalysts are replaced by Ru atoms on the lattice pointes of a face_centered cube.
以炭黑 (VulcanXC72 )为载体 ,将铂钌混合氧化物胶体吸附在炭黑上 ,然后用氢气还原以制备Pt_Ru/C电催化剂 ,利用X_射线衍射 (XRD)以及X_射线能谱 (XPS)技术对样品进行表征 。
2.
A direct methanol fuel cell with 9cm 2 active area consists of Pt_Ru/C anode,Pt/C cathode and Nafion 115 membrane.
采用商品Pt_Ru/C和Pt/C催化剂制备成甲醇阳极和氧阴极 ,Nafion_115为固体电解质膜 ,组装成面积为 9cm2 单电池 ,研究了电池在放电运转过程中各种操作条件 ,如温度 ,氧气压力 ,甲醇浓度等对电池性能的影响 ,并考察了电池室温放电性能随时间的变化 。
4)  Pt-Ru/C catalysts
Pt-Ru/C催化剂
1.
The influ-ences of the ω value(the mol ratio of H2O to surfactant),and the different kinds of reductants and surfactants on the performance of Pt-Ru/C catalysts were investigated in the system.
采用反胶束法制备质子交换膜燃料电池(PEMFC)用Pt-Ru/C催化剂。
补充资料：cold styrene-butadiene ru-bber
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性质：又称冷聚丁苯橡胶。通常由丁二烯和苯乙烯在5℃用乳液聚合制得。由于低温下的乳液聚合能减少聚合过程中支化和交联的形成，所得橡胶的聚合度、结晶度和熔点都较理想，分子量和分子结构都较均匀。因此化学稳定性、拉伸强度、伸长率、耐磨性、耐老化性都较优良。聚合主要采用氧化-还原系统，以对苯二酚和亚硫酸钠作活化剂，异丙苯过氧化氢作引发剂，拉开粉作乳化剂，防老剂丁作调节剂。主要用途是代替天然橡胶制造汽车外胎和内胎、胶鞋、各种橡胶工业制品等。

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