Raman Electrochemical Flow Cell, Active Area: 3.5 Cm2, Volume: 4.5 Ml

Raman Electrochemical Flow Cell, Active Area: 3.5 Cm2, Volume: 4.5 Ml

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This cell combines two classical analytical techniques such as electrochemistry and Raman spectroscopy, to obtain in-situ chemical information about the reactions taking place during an electrochemical experiment. It consists mainly of three elements: (i) sample holder with Tantalum (formerly Copper) foil serving as an electric contact to working electrode surface, (ii) chamber in which reference and counter electrodes are installed together with electrolyte inlet and outlet and (iii) lid which seals the cell and holds the Sapphire window. The sample consisting of a thin film of electrochemically active material deposited on a rigid or flexible substrate (working electrode) is loaded from the bottom via magnetic or screw mount. The counter or/and reference electrodes are mounted in a top casing (either 2-, or 3-electrode setup. The oval counter electrode made of e.g. Platinum wire assures uniform distribution of the field lines along the path to working electrode. During an experiment Raman laser is focused onto the surface of a thin film working electrode through a transparent Sapphire window and thin layer of electrolyte (total optical path of 3.25 mm). The electrolyte thickness of 2.25 mm ensures free diffusion of ions (e.g. protons) and its counter ions.

Application Note:

This cell can be used to track kinetic phenomena such as the near-surface proton concentration changes during oxidation and reduction reaction at working electrode. It can be also used to identify materials such as carbon, metal oxides, polymers and electrolytes, and to determine their structure and distribution. Various metals are suitable for this cell as auxiliary electrode including Platinum, Gold and Silver.

Specification:

Nominal exposure area: 3.5 cm²
Electrolyte volume: 4.5 mL
Optical path (including Sapphire window): 3.25 mm
Electrode plug diameter: 6 mm

Product Includes:

1 x chamber
1 x Ag/AgCl or non-aqueous Ag/Ag+ 30 mm reference electrode
1 x Metal wire auxiliary electrode – ST 0.6/150 mm, Platinum
1 x Sapphire window - 0054PSPCM
1 x lid
1 x WE Tantalum contact
1 x sample holder
1 x plug

Setup Includes:

Raman Ecfc 3.5 cm2, 4.5 ml, 23 mm X 23 mm - Raman Electrochemical Flow Cell, Active Area 3.5 cm2, Volume: 4.5 ml, 23 mm X 23 mm, Magnetic Mount, Raman Ecfc 3.5 cm2, 4.5 ml, 15 mm X 15 mm, 15 mm X 15 mm, Magnetic, Raman Ecfc 3.5 cm2, 4.5 ml, 10 mm X 10 mm, 10 mm X 10 mm, Magnetic, Raman Ecfc 3.5 cm2, 4.5 ml, 7 mm X 7 mm, , 7 mm X 7 mm, Magnetic Mount 
Raman Ecfc 3.5 cm2, 4.5 ml, 23 mm X 23 mm - Raman Electrochemical Flow Cell, Active Area 3.5 cm2, Volume: 4.5 ml, 23 mm X 23 mm, Screw Mount, Raman Ecfc 3.5 cm2, 4.5 ml, 15 mm X 15 mm,  15 mm X 15 mm, Screw Mount, Raman Ecfc 3.5 cm2, 4.5 ml, 10 mm X 10 mm, 10 mm X 10 mm, Screw Mount, Raman Ecfc 3.5 cm2, 4.5 ml, 7 mm X 7 mm, 7 mm X 7 mm, Screw Mount