All Photos(2)

274674

Sigma-Aldrich

Nafion perfluorinated membrane

greener alternative

Nafion 117, thickness 0.007 in.

Linear Formula:
(C7HF13O5S . C2F4)x
CAS Number:
MDL number:
eCl@ss:
32110203
NACRES:
NA.23

form

sheet

Quality Level

eq. wt.

1,100

manufacturer/tradename

Nafion 117

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

L × W

8 in. × 10 in.

thickness

0.007 in.

solubility

H2O: insoluble

greener alternative category

Enabling

InChI

1S/C7HF13O5S.C2F4/c8-1(9)2(10)24-5(15,16)3(11,4(12,13)14)25-6(17,18)7(19,20)26(21,22)23;3-1(4)2(5)6/h(H,21,22,23);

InChI key

FOYUGSIADQEOEK-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Find details here.

Application

Nafion perfluorinated membrane (Nafion 117) is a composite material that can be used as an electrolytic ion-exchange membrane for the fabrication of fuel cells.
Nafion membrane may be used in the fabrication of electrodes by dry plasma.As a proton exchange membrane Nafion has been the focus of considerable efforts to develop improved fuel cells.
Nafion is a perfluorinated ion-exchange membrane which has a wide variety of commercial uses. The acidic (hydrogen ion) form and derivatives are solid, superacid catalysts useful in a wide variety of synthetic applications.

Packaging

1 ea in rigid mailer
Packaged in heat-sealed foil bag in stay-flat mailers
Darkening/browning is common for pieces stored in a general room environment for an extended period of time (several months), due to organics pick-up. Verify product is kept sealed during storage.
· Keep pieces sealed and protected from general exposure will reduce the effect. Recommend long term storage in air-tight bags.
· Discoloration does not affect performance and can be removed by soaking in dilute nitric acid.

Legal Information

Nafion is a trademark of The Chemours Company FC, LLC

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

Influence of temperature and humidity on the mechanical properties of Nafion 117 polymer electrolyte membrane
Bauer F, et al.
Journal of Polymer Science. Part B, Polymer Physics, 43(7), 786-795 (2005)
Study of self-diffusion of monovalent and divalent cations in Nafion-117 ion-exchange membrane
Goswami A, et al.
The Journal of Physical Chemistry B, 105(38), 9196-9201 (2001)
State of understanding of nafion.
Kenneth A Mauritz et al.
Chemical reviews, 104(10), 4535-4585 (2005-01-27)
Ion mobility in Nafion-117 membranes
Stenina IA, et al.
Desalination, 170(1), 49-58 (2004)
Alternative polymer systems for proton exchange membranes (PEMs).
Michael A Hickner et al.
Chemical reviews, 104(10), 4587-4611 (2005-01-27)

Articles

Materials Issues in Polymer Electrolyte Membrane Fuel Cells

Materials Issues in Polymer Electrolyte Membrane Fuel Cells

Proton Exchange Membrane (PEM) Fuel Cells

Proton exchange membrane (PEM) fuel cells operate at relatively low temperatures and are composed of two electrodes and a conductive elecrolyte.

Perfluorosulfonic Acid Membranes for Fuel Cell and Electrolyser Applications

Advances in the electrochemical conversion of water to and from hydrogen and oxygen have principally been achieved through the development of new materials and by understanding the mechanisms of the degradation of proton exchange membrane fuel cells (PEMFC) during operation.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service