1) methanol crossover
甲醇渗透
1.
Development of suppression methanol crossover in DMFC;
DMFC的阻甲醇渗透研究进展
2.
With the coulomb gravitation, the polycation modified Au nano-particles were self-assembled onto the NafionTM 212 membrane surface to form methanol blocking proton exchange membranes, and the methanol crossover decreased from 168 mA/cm2 to 18 mA/cm2 at the condition of 2 mol/L methanol at 60℃.
在静电引力作用下将聚阳离子修饰的金颗粒组装到NafionTM212膜表面制成抗甲醇渗透质子交换膜。
3.
Methanol crossover and its effect on the open-circuit voltage(OCV) in DMFCs were studied usingcyclic voltammetry and chronoamperometry under stationary condition and at ambient temperature.
设计并建立甲醇渗透测试体系和模拟直接甲醇燃料电池(DMFC)运行体系,分别考察静态条件下H-cell中甲醇的渗透和运行条件下甲醇渗透对OCV的影响。
2) methanol permeability
甲醇渗透
1.
The methanol permeability and conductivity of PAN-xH_3PO_4 membranes were studied.
本文研究了聚丙烯腈-磷酸(PAN-xH3PO4)复合质子交换膜的结构、聚合物与酸之间的相互作用、甲醇渗透性能以及质子导电性能。
3) methanol permeation
甲醇渗透
1.
CV study on methanol permeation of proton exchange membrane;
质子交换膜甲醇渗透的循环伏安研究
2.
A concentration sensor based on methanol permeation with anode rinsed by water;
一种水清洁阳极的基于甲醇渗透的浓度传感器
3.
The methanol permeation and cell performances of the recast membranes were evaluated and compared with the as-received Nafion~115 membrane.
再铸膜酸度(EW)和溶胀度(SW)测试结果接近商品膜数值;红外光谱、X射线衍射分析表明再铸膜具有与商品膜相似的结构;甲醇渗透、电池性能测定结果表明,与商品Na-fio n115膜相比,具有相同厚度的再铸膜降低了甲醇渗透,适合应用于直接甲醇燃料电池中。
4) methanol permeability
甲醇渗透率
1.
The effects of membrane composition and methanol concentration on the mechanical property,the ionic conductivity and the methanol permeability of the membranes were investigated.
制备了聚2-丙烯酰胺-2-甲基丙磺酸(PAM PS)/聚乙烯醇(PVA)复合质子交换膜,并研究了膜的组成、甲醇水溶液浓度等对膜力学强度、电导率和甲醇渗透率的影响。
2.
The proton conductivity and the methanol permeability were determined by impedance spectrometry and diaphragm diffusion,respectively.
2×10-2S/cm的水平,而且蒙脱土的加入明显地降低了SPEEK膜的甲醇渗透率。
3.
The methanol permeability of both PVA and nanocomposite membranes were reduced with increasing concentration of methanol.
研究结果表明,有机无机纳米复合膜的甲醇阻隔性能随着SiO2 的加入而提高,随着PWA的加入而降低,复合膜和PVA的甲醇渗透率随甲醇浓度的增大而降低。
5) suppression methanol crossover technology
阻甲醇渗透技术
6) methanol permeability
甲醇渗透系数
1.
The morphology structure,methanol permeability,tensile strength and proton conductivity of the proton exchange membrane were measured.
结果表明,以聚丙烯腈-丙烯酸为基体的质子交换膜,甲醇渗透系数为(3。
2.
The morphology,proton conductivity and methanol permeability were investigated.
011 s/cm;该质子交换膜的甲醇透过率仅为10~(-8)～10~(-7)cm~2/s,而且甲醇渗透系数不随甲醇溶液浓度的变化而变化。
3.
Although the proton conductivity of composite membrane decreased slightly,methanol permeability through the composite membrane reduced significantly.
与Nafion115相比,复合膜的质子传导率降低20%,甲醇渗透系数则降低50%。
补充资料：5881万能渗透剂
分子式：
CAS号：
性质：学名脂肪醇聚氧乙烯醚，又称润湿剂JFC、浸湿剂JFCS、5881万能渗透剂、尼凡丁、渗透剂EA。为淡黄色液体。PH值中性。浊点40～50℃。易溶于水，5%水溶液加热到45℃以上呈混浊状，降温又恢复原状。耐强酸、碱、次氯酸盐、硬水及重金属盐。属非离子型表面活性剂。对各种纤维无亲合力。无毒，不易燃。由脂肪醇与环氧乙烷聚合而得。属非离子表面活性剂，渗透力强，用作纺织、印染及皮革涂层渗透剂、生物酶退浆助剂、农药加工助剂。
CAS号：
性质：学名脂肪醇聚氧乙烯醚，又称润湿剂JFC、浸湿剂JFCS、5881万能渗透剂、尼凡丁、渗透剂EA。为淡黄色液体。PH值中性。浊点40～50℃。易溶于水，5%水溶液加热到45℃以上呈混浊状，降温又恢复原状。耐强酸、碱、次氯酸盐、硬水及重金属盐。属非离子型表面活性剂。对各种纤维无亲合力。无毒，不易燃。由脂肪醇与环氧乙烷聚合而得。属非离子表面活性剂，渗透力强，用作纺织、印染及皮革涂层渗透剂、生物酶退浆助剂、农药加工助剂。
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