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Merck

565067

Sigma-Aldrich

Nafion perfluorierte Membran

greener alternative

Nafion 324, reinforced with poly(tetrafluoroethylene) fiber, thickness 0.006 in.

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About This Item

Lineare Formel:
(C7HF13O5S . C2F4)x
CAS-Nummer:
MDL-Nummer:
UNSPSC-Code:
26111700
NACRES:
NA.23

Äquiv.gew.

1100 2nd membrane
1500 1st membrane

Hersteller/Markenname

Nafion 324

Grünere Alternativprodukt-Eigenschaften

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

sustainability

Greener Alternative Product

L × B

12 in. × 12 in.

Dicke

0.006 in.

Löslichkeit

H2O: insoluble

Grünere Alternativprodukt-Kategorie

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);

InChIKey

FOYUGSIADQEOEK-UHFFFAOYSA-N

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Allgemeine Beschreibung

A ′bimembrane′ with one layer having equivalent weight 1,500 and thickness 0.001 in., and the other layer having equivalent weight 1,100 and thickness 0.005 in.
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.

Anwendung

A ′bimembrane′ with one layer having equivalent weight 1,500 and thickness 0.001 in., and the other layer having equivalent weight 1,100 and thickness 0.005 in.
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.
Nafion perfluorinated membrane is mainly used as a proton exchange membrane (PEM) for fuel cell applications. It can also be used as a membrane for lithium isotope separation, which can be further be utilized as a fuel for fusion reactors. It has excellent chemical stability and high cationic conductivity. It finds potential usage in batteries and sensors.[1][2][3]

Verpackung

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.

Rechtliche Hinweise

Nafion is a trademark of The Chemours Company FC, LLC

Lagerklassenschlüssel

11 - Combustible Solids

WGK

nwg

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)


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Die Dokumentenbibliothek aufrufen

Relationship between ionic conductivity of perfluorinated ionomeric membranes and nonaqueous solvent properties
Doyle M, et al.
Journal of Membrane Science , 184(2), 257-273 (2001)
Nafion perfluorinated membranes in fuel cells
Banerjee S and Curtin DE
Journal of Fluorine Chemistry, 125(8), 1211-1216 (2004)
High-efficiency technology for lithium isotope separation using an ionic-liquid impregnated organic membrane
Hoshino T and Terai T
Fusion Engineering and Design, 86(9-11), 2168-2171 (2011)
Min-Ho Park et al.
Advanced materials (Deerfield Beach, Fla.), 27(29), 4308-4314 (2015-06-24)
A novel flexible encapsulation method (Flex Lami-capsulation) is reported, which can be applied in the roll-to-roll process for mass production of organic electronic devices. Flex Lami-capsulation is very simple, fast, and getter-free, and is as effective as glass encapsulation. Use

Artikel

Polymer electrolyte membrane (PEM) fuel cells offer high efficiency and low-temperature operation, reducing oil use in light-duty vehicle transportation.

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

Advances in electrochemical water conversion and understanding PEMFC degradation drive progress in hydrogen technologies.

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