The physiochemical properties of Nafion 115 and a composite Nafion 115/zirconium phosphate (โผ25 wt.%) membranes are compared. The composite membrane takes up more water than Nafion at the same water activity. However, the proton conductivity of the composite membrane is slightly less than that for N
Physical and electrochemical properties of Nafion/polypyrrole composite membrane for DMFC
โ Scribed by Ho Seok Park; Yo Jin Kim; Won Hi Hong; Hong Kee Lee
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 476 KB
- Volume
- 272
- Category
- Article
- ISSN
- 0376-7388
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
## Abstract Nafion composite membranes containing either hydrated tin oxide (SnO~2~ ยท __n__H~2~O) or sulphated tin oxide (SโSnO~2~) at 5 and 10โwt.โ% were prepared and characterised. The structural and electrochemical features of the samples were investigated using Xโray diffraction, electrochemica
## Abstract Composites of inherently conductive polypyrrole (PPy) within highly hydrophilic poly(2โhydroxyethyl methacrylate)โbased hydrogels (p(HEMA)) have been fabricated and their electrochemical properties investigated. The electrochemical characteristics observed by cyclic voltammetry suggest
In order to prepare a free-standing polypyrrole hhn with high mechanical strength, Fe(II1) form or Cu(I1) form cation exchange membranes were immersed in an aqueous pyrrole solution. Polymerization speed of pyrrole in the Fe(II1) form membrane was faster than that in the Cu(I1) form membrane. A line
The effect of an acidic inorganic additive, i.e. sulfated zirconia, on Nafion-based polymer electrolytes is evaluated by comparing the properties in terms of conductivity and fuel cell performance of a composite sulfated zirconia-added Nafion membrane with those of an additive-free Nafion membrane.