Discover

the ECAT-

Total solutions for packages electrocatalysis research

These packages offer a total solution for the experimental Key features needs of electrocatalysis researchers.

• Accurate and reliable electrochemical instrumentation Two options, ECAT-Compact and ECAT-Complete, are now • Powerful NOVA software featuring built-in Levich and available.

Koutecký-Levich analysis methods Each package consist of a bipotentiostat, a rotating ring • High precision and ultra-low noise electrode rotation disk electrode setup, a complete electrochemical cell, and from 100 to 10,000 RPM

powerful NOVA software to control all components of • RRDE cell designed for the experimental needs of the system.

electro catalysis researchers Typical applications

• Electrocatalyst material testing

• Mechanistic information: detection of intermediates via collection and shielding experiments (RRDE)

• Electrochemical kinetics studies

• Mass-transport properties with forced convection condition





Bipotentiostatic measurements in hydrodynamic conditions: Oxygen reduction reaction with the RRDE

ECAT-Complete

Experimental method

For versatile electrocatalysis research with superior

• Four-electrode setup (Pt disk/Pt ring) experimental capabilities

• Excess of reactant (O2 gas) in the electrolyte

• Autolab PGSTAT302N loaded with additional functional

• The electrode tip rotated at several rates modules

• NOVA software couples the control of the bipotentiostat

• Dual-mode bipotentiostat and the electrode rotator

• EIS and true linear voltammetry

• Disk – LSV is applied from zero overpotential to a mass -

• Unitrode pH and temperature sensor transport limiting potential region

• RRDE rotator with GC/Pt electrode tip

• Ring – The potential is fixed at a value where the product

• Complete RRDE electrochemical cell or intermediate will react

• NOVA electrochemical software Data and analysis

ECAT-Compact

• The hydrodynamic analysis command in NOVA software For high-quality standard measurements including those generates Levich and Koutecký-Levich plots from the under forced convection conditions disk electrode current.

• Autolab PGSTAT204 with bipotentiostat module

• The researcher specifies a fixed potential value at which

• Dual-mode bipotentiostat the data is chosen for these plots.

• RRDE rotator with GC/Pt electrode tip

• Linear regression is applied to each plot.

• Complete RRDE electrochemical cell

• Kinetic rate constant for the reaction, the diffusion

• NOVA electrochemical software coefficient for the reactant or the number of electrons transferred can be calculated based on Levich and References

Koutecký-Levich theory.

http://www.metrohm.com/applications

• AN-EC-11 – Investigation of intermediates in the electrodeposition of copper using the Autolab RRDE

• AN-EC-14 – Oxygen reduction reaction with the rotating ring disk electrode

G, CH-9100 Herisau

ohm A

Dedicated to research

www.metrohm.com

-05

witzerland by Metr

Subject to modifications

Printed in S

8.000.5232EN – 2017