Redox Flow Battery-Model 1,Active Area: 1 cm2, Qty: 1 set
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Redox Flow Battery-Model 1,Active Area: 1 cm2, Qty: 1 set
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Introduction
In the standard configuration shown in the images, this Redox Flow Battery test cell is used for testing electrodes, membranes, and electrolytes using electrochemical techniques such as Cyclic Voltammetry (CV), Electrochemical Impedance Spectroscopy (EIS) and Chronoamperometry/Chronopotentiometry. However, thanks to its modular design, this cell can be expanded or modified to increase its functionality. It is, therefore, the base of a configurable measurement platform on which it is possible to integrate one or several of many measurement methods.
Key Features
- Multi-technique electrochemical testing: Supports methods such as Cyclic Voltammetry (CV), Electrochemical Impedance Spectroscopy (EIS), and Chronoamperometry/Chronopotentiometry.
- Modular and expandable design: Serves as a configurable platform that can be adapted to integrate additional measurement techniques.
- Spectroscopy compatibility: Can be modified with specialized chambers (e.g., with optical windows) to enable Raman and FTIR analysis on electrode surfaces.
- Advanced characterization options: Supports transmission-mode techniques such as X-ray Absorption Spectroscopy (XAS) and Small-Angle X-ray Scattering (SAXS) through chamber replacement.
- Customizable configurations: Design allows tailored modifications to meet specific experimental and specification requirements.
- Adjustable electrode area and flow geometry: Active surface area and flow field geometry can be easily changed by swapping graphite flow fields.
Application note
A redox flow battery is a type of rechargeable battery where energy is stored in liquid electrolytes that contain dissolved redox-active species (compounds that can undergo reduction and oxidation). These liquids are stored in external tanks and pumped through the RFB1, where the redox reactions take place, generating or storing electricity. External tanks and pumps are not included with the product but can be added upon request. During the discharge, the anolyte undergoes oxidation, releasing electrons, while the catholyte undergoes reduction, accepting electrons. Electrons flow through an external circuit, producing electricity. During charge, the process is reversed using an external power source. A membrane between the two sides of the cell allows ions (but not the redox species) to pass, maintaining charge balance.
Specification
Cell
| Parameter | Specification |
|---|---|
| Active Area | 1 cm² |
| Channel Cross-Section Area | 1 mm² |
Temperature Sensor
| Parameter | Specification |
|---|---|
| Sensor Type | Pt100 ×2 (100 Ω at 0 ºC) |
| Construction | Wire-wound, 10 mm tails |
| Fundamental Interval | 38.5 Ω (nominal) |
| Self-Heating | 0.02 to 0.3 ºC/mW |
| Thermal Response | < 0.4 s |
| Measuring Current | 1 mA |
| Diameter | 1.5 mm |
| Length | 15 mm |
| Tolerance Class | IEC 60751 Class A |
| Temperature Range | −200 ºC to +650 ºC |
| Body Material | Alumina |
Adhesive-Backed Pad Heater
| Parameter | Specification |
|---|---|
| Power Source | Electric |
| Voltage | Max 60 V |
| Power | Max 59 W |
| Resistance | 61 Ω |
| Material | Polyimide |
| Maximum Temperature | 250 ºC |
| Wire Type | Silicone braided wire |
| Insulation Resistance | > 5 MΩ |
| Size | 50 mm × 50 mm |
| Thickness | < 0.266 mm |
| Adhesive | 3M |
| Wire Length | 60 mm |
Fittings
| Parameter | Specification |
|---|---|
| Body Material | Stainless Steel 316 |
| Connection 1 Size | 1/4 in. tube OD (6.35 mm) |
| Connection 1 Type | Swagelok® tube fitting |
| Connection 2 Size | 7/16-20 in. |
| Connection 2 Type | Male SAE/MS straight thread |
| Reference | Swagelok® Part #: SS-400-5-4ST |
Component Material
| Component | Material |
|---|---|
| Anode Flow Field | Synthetic graphite |
| Cathode Flow Field | Synthetic graphite |
| Threaded End Plate | Stainless Steel 316L |
| Unthreaded End Plate | Stainless Steel 316L |
| Flow Connection Plate | PEEK |
| Alignment Pins | PEEK |
| Current Collectors | Gold-coated copper (101) with nickel interlayer |
| Fittings | Stainless Steel 316 |
| Bolts | Zinc yellow-chromate plated steel (Grade 8) |
| Gaskets | Skived PTFE and FKM |
| Washers | Stainless Steel 18/8 |
| Belleville Washers | Stainless Steel 302 |
| Temperature Sensor Body | Stainless Steel 316 |
| Adhesive-Backed Pad Heater | Polyimide with 3M adhesive |
Setup includes
1 x anode with parallel flow field
1 x anode with parallel flow field and flow resistance compensation
1 x cathode with parallel flow field
1 x cathode with parallel flow field and flow resistance compensation
1 x threaded end plate
1 x unthreaded end plate
2 x flow connection chamber
2 x alignment pin
2 x current collector
4 x Swagelok® part #: SS-400-5-4ST fitting
8 x bolt
10 x FKM gasket
10 x skived PTFE gasket
16 x washer
64 x Belleville washer
2 x Pt100 temperature sensor
2 x adhesive-backed pad heater
MSE offers a range of electrochemical cells. Please contact us for more information.