The 857 is an Integrated Turn-Key Test System for Redox Flow Cell Research & Development. It boasts a 20 A current range as well as a multi-range potentiostat for high accuracy. Included with the system is the powerful, user friendly FlowCell™ software for system operation & experimentation.
- 0.07 A, .07 A, 7 A, 20 A current range
- High-current, multi-range potentiostat operates in current- or voltage-controlled operation
- ± 5 V operation for non-aqueous electrolytes
- Charge / discharge cycling & performance characterization
- Four reservoir sizes- 100 mL, 250 mL, 500 mL, and 1 L
- Whole and half-cell voltage, EIS and HFR measurement
- Impedance Analyzer for EIS and HFR measurements during charge, discharge and at OCV
- High-impedance V-sense inputs for whole and half-cell measurements including EIS & HFR
- State-of-charge (SOC) voltage inputs for DC SOC measurement when used with SOC cell
- All non-metallic electrolyte handling system: pumps, electrolyte reservoirs, drain and purge valves
- Cell and electrolyte temperature control up to 50 oC
- Peristaltic pumps with variable flow control including forward and reverse
- Electrolyte shielding with inert gas purge blanket
- Electrolyte reservoir stirring
| Products | Description |
|---|---|
| H-Cell | Cell for separator/membrane diagnostics and testing in relevant liquid environment |
| State of Charge (SOC) Cell Fixture | State of Charge Cell Fixture for Redox Flow Batteries |
| Glass or Plastic (PVC) Electrolyte Reservoirs | |
| Tubing for Flow Rates | Three tubing size from < 1 to 1000 mL/min |
| 892e Data Acquisition Expansion System | 8 temperature + 8 analog/voltage inputs integrated with FlowCell™ |
| Single Cell RFB Hardware | Cell fixture specifically design for use with redox flow cells and batteries |
| SIGRACELL® Graphite Felt Electrodes | SGL Carbon SIGRACELL® Graphite Felt Electrodes |
| Specification: | Details |
|---|---|
| Potentiostat: | |
| Current Ranges: | 20 A, 7 A, 700 mA, 70 mA full scale (FS) |
| Current Resolution: | 1.4 mA (20 A FS) to 4.88 µA (70 mA FS) |
| Current Accuracy: | ± 1% of full scale current of selected range |
| Voltage Measurement and Data Acquisition: | |
| Set and Read Voltage vs. WE: | ± 5.000 V |
| Cell Voltage Sense Leads: | Differential with driven shields |
| Voltage Measurement Resolution: | 152 µV |
| Sense Lead Input Resistance: | 1 GΩ |
| Data Acquisition Rate: | 10 points/second |
| Impedance Analyzer: | |
| Internal Impedance Analyzer Type: | Single sine, one generator and two gain/phase measurement channels |
| Internal Analyzer Frequency Range: | 1 mHz to 10 kHz |
| Electrolyte Fluid Handling System: | Computer-controlled peristaltic pumps (2); <1 to 1,000 mL/min |
| All non-metallic flow path and reservoirs | |
| Independent drain & purge valves for positive & negative electrolytes | |
| Nitrogen purge and blanket; Electrolyte level monitoring | |
| Temperature Controllers: | |
| Three: | Cell, anode electrolyte, cathode electrolyte |
| Set & Report Accuracy: | ±0.25% of span, ±1 least significant digit |
| Sensor Type: | Thermocouple, Type T |
| Environment: | |
| Operating Temperature: | 5 to 35 °C |
| Power Source: | 110-120 V, 50-60 Hz, 10 A (Export model 220-240 V, 50-60 Hz, 5 A) |
| Size and Weight: | Electronic Control Unit: 48 W x 13 H x 53 D cm3 (19 x 5.25 x 21 in3); 9 kg (20 lb) |
| Fluid Control Unit: | 50 W x 65 H x 65 D cm3 (20 x 25 x 25 in3); 16 kg (35 lb) |
| Safety Features: | Automatic shutdown on under- and over-voltage or current, over-temperature, or communications failure |
| Emergency stop switch for manual operator shutdown | |
| *Specifications for 25o C ambient temperature unless otherwise noted. | |
| SIGRACELL® is a registered trademark of SGL Carbon SE |
- Download the 857 data sheet
- Download the latest FlowCell® software
- Download a list of papers referencing the 857 system **contact Scribner if you would like a copy of any of these papers**
- Download the 857 Flow Rate Calibration Instructions
- Download Scribner Redox Flow Cell Data
- Features
-
- 0.07 A, .07 A, 7 A, 20 A current range
- High-current, multi-range potentiostat operates in current- or voltage-controlled operation
- ± 5 V operation for non-aqueous electrolytes
- Charge / discharge cycling & performance characterization
- Four reservoir sizes- 100 mL, 250 mL, 500 mL, and 1 L
- Whole and half-cell voltage, EIS and HFR measurement
- Impedance Analyzer for EIS and HFR measurements during charge, discharge and at OCV
- High-impedance V-sense inputs for whole and half-cell measurements including EIS & HFR
- State-of-charge (SOC) voltage inputs for DC SOC measurement when used with SOC cell
- All non-metallic electrolyte handling system: pumps, electrolyte reservoirs, drain and purge valves
- Cell and electrolyte temperature control up to 50 oC
- Peristaltic pumps with variable flow control including forward and reverse
- Electrolyte shielding with inert gas purge blanket
- Electrolyte reservoir stirring
- Options
-
Products Description H-Cell Cell for separator/membrane diagnostics and testing in relevant liquid environment State of Charge (SOC) Cell Fixture State of Charge Cell Fixture for Redox Flow Batteries Glass or Plastic (PVC) Electrolyte Reservoirs Tubing for Flow Rates Three tubing size from < 1 to 1000 mL/min 892e Data Acquisition Expansion System 8 temperature + 8 analog/voltage inputs integrated with FlowCell™ Single Cell RFB Hardware Cell fixture specifically design for use with redox flow cells and batteries SIGRACELL® Graphite Felt Electrodes SGL Carbon SIGRACELL® Graphite Felt Electrodes - Specifications
-
Specification: Details Potentiostat: Current Ranges: 20 A, 7 A, 700 mA, 70 mA full scale (FS) Current Resolution: 1.4 mA (20 A FS) to 4.88 µA (70 mA FS) Current Accuracy: ± 1% of full scale current of selected range Voltage Measurement and Data Acquisition: Set and Read Voltage vs. WE: ± 5.000 V Cell Voltage Sense Leads: Differential with driven shields Voltage Measurement Resolution: 152 µV Sense Lead Input Resistance: 1 GΩ Data Acquisition Rate: 10 points/second Impedance Analyzer: Internal Impedance Analyzer Type: Single sine, one generator and two gain/phase measurement channels Internal Analyzer Frequency Range: 1 mHz to 10 kHz Electrolyte Fluid Handling System: Computer-controlled peristaltic pumps (2); <1 to 1,000 mL/min All non-metallic flow path and reservoirs Independent drain & purge valves for positive & negative electrolytes Nitrogen purge and blanket; Electrolyte level monitoring Temperature Controllers: Three: Cell, anode electrolyte, cathode electrolyte Set & Report Accuracy: ±0.25% of span, ±1 least significant digit Sensor Type: Thermocouple, Type T Environment: Operating Temperature: 5 to 35 °C Power Source: 110-120 V, 50-60 Hz, 10 A (Export model 220-240 V, 50-60 Hz, 5 A) Size and Weight: Electronic Control Unit: 48 W x 13 H x 53 D cm3 (19 x 5.25 x 21 in3); 9 kg (20 lb) Fluid Control Unit: 50 W x 65 H x 65 D cm3 (20 x 25 x 25 in3); 16 kg (35 lb) Safety Features: Automatic shutdown on under- and over-voltage or current, over-temperature, or communications failure Emergency stop switch for manual operator shutdown *Specifications for 25o C ambient temperature unless otherwise noted. SIGRACELL® is a registered trademark of SGL Carbon SE - Product Support Documents
-
- Download the 857 data sheet
- Download the latest FlowCell® software
- Download a list of papers referencing the 857 system **contact Scribner if you would like a copy of any of these papers**
- Download the 857 Flow Rate Calibration Instructions
- Download Scribner Redox Flow Cell Data