1) 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。
2) 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。
3) 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。
4) 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。
5) Methanol permeability
甲醇透过率
1.
The effects of curing temperature, methanol concentration and membrane composition on the ionic conductivity and the methanol permeability of the membranes were investigated.
制备了聚乙烯醇 (PVA)与聚苯乙烯磺酸 (PSSA)的共混膜 ,并研究了膜的组成、热处理温度、甲醇水溶液浓度等对膜电导率和甲醇透过率的影响。
6) suppression methanol crossover technology
阻甲醇渗透技术
补充资料:渗透率
分子式:
CAS号:
性质:液体以层流状态通过粉粒物形成填充层时,其渗透性能是不同的。如以渗透率K表示此性能,则。V0为液体的表观速度,m/s; μ为液体的黏度,kgf·s/m2;△P为粉粒层两端压强差,kgf·s/m2;L为粉粒层厚度,m;△P/L为压强梯度。
CAS号:
性质:液体以层流状态通过粉粒物形成填充层时,其渗透性能是不同的。如以渗透率K表示此性能,则。V0为液体的表观速度,m/s; μ为液体的黏度,kgf·s/m2;△P为粉粒层两端压强差,kgf·s/m2;L为粉粒层厚度,m;△P/L为压强梯度。
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