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Water absorption and proton conductivity of PEM

 

Overview

PEM (Proton Exchange Membrane) is used as electrolyte for PEFC and FMFC. For PEM development, it is very important to know proton conductivity and water absorption properties. With the conventional instruments, those properties have to be measured separately. Our newly developed system, MSB-AD-V-FC can measure water absorption amount and proton conductivity simultaneously.
By determining water absorption equilibrium, highly reproducible conductivity measurement is possible.

 

Features

Simultaneous measurement of water absorption amount and proton conductivity Automatic measurement. Wide range of measurement conditions.

Pressure range : 1 – 10Bar
Temperature range – : 80200
oC
Humidity range : 5 – 95%RH(Depending on the measurement conditions, all these range cannot be applied.)

 

Specifications

Water amount analyzer to Solid electrolyte membrane for fuel cell evaluation Adsorption measurement Gravimetric method Impedance measurement Alternating current impedance measurement (4 terminal method) Measurement temp. range 80 - 200 oC Air-circulation bath temp. range 80 - 180 oC Measurement pressure range Atmospheric pressure - 10 bar Measurement humidity range 5 - 95%RH (only in range of 80 - 180 oC) Pretreatment method Vacuum pretreatment or flow pretreatment Gas contacting part material SUS, Teflon, Vespel, gold, brass, Viton, polyimide Gas Dry air, N2 Measurement program Adsorption measurement software, Impedance measurement software Water adsorption measurement Magnetic suspension balance 2-Position MSB (Rubotherm GmbH) No. of sample 1 Sample amount Max. 15 g (incl. sample holder) Gravimetry resolution 10µg Gravimetry reproducibility +/- 20µg (STD) * Impedance measurement AC impedance measurement Solartron instrument (1mHz - 20kHz)
or
Agilent Technology instrument (100Hz - 100kHz)

 

 

 

 

 

 

 

 

 

Overview

 

Features

 

Specification

 

Product Brochure (PDF)

MSB - AD - V - FC

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