Scribner - Model 855 SOFC -Test System

• Suitable for Button Cells and Planar Cells
• Multi Range Electronic load 5/25/50 A, 100 W, 20 V
• FuelCell^® software for user-friendly computer controlled cell operation & experimentation
• Stainless Steel Anode humidifier with Bypass Valve and auto waterfill
• Programmable Power Supply for SOEC mode operation – 100 A / 5 V
• Power Supply mode includes Voltage & Current control with Constant, Scanning & Step-Stair experiments
• Up to five mass flow controllers available
• Includes Furnace Control hardware with redundant over-temperature protection
• Constant or stoichiometric-controlled reactant flow rate
• Zero Volt Capability
• Current, voltage or power control mode
• Continuous real time cell resistance and IR-free voltage measurement by Current Interrupt
• Whole cell voltage plus two high-impedance reference inputs for half-cell data
• Cell main terminals & sense inputs tolerant of non-isolated cell
• Safety features include detection of alarm conditions and automatic hardware shutdown for safe, reliable operation

881 FRA: Integrated FRA for High Frequency Resistance (HFR) and Electrochemical Impedance Spectroscopy (EIS) measurement from 1 mHz to 10 kHz
Manual and Auto MultiGas Modules: Multiple reactant gas selector
Reformate Simulation:
DI Water Tank: Simple solution for pressurized delivery for existing DI/RO water source
Button Cell and Planar SOFC Test Fixture and Furnace: SOFC fixtures with custom designed furnace and redundant over-temperature control for added safety

Electronic Load:
Maximum Load Current: 5/25/50 A
Maximum Load Power: 100 W
Minimum Load Resistance: < 2 m? (100 mV @ 50 A at load terminals)
Current Resolution: 1 mA for 5/25/50 A
Current Accuracy: 0.3 % of full scale current rating
Voltage Measurement and Data Acquisition:
Maximum Whole Cell Voltage: 20 V
Maximum Reference Electrode Voltage: 9.999 V
Sense Lead Input Resistance: > 35 k?
Voltage Resolution: I mV
Voltage Accuracy: ±3 mV ±0.3 % of reading
Voltage and Current Data Update Rate: 100 Hz
Reactant Gas Control System:
All 316 stainless steel construction of humidifiers, flow path, valves and mass flow controllers, with Swagelok® fittings
Mass Flow Control: Anode up to 1 SLPM and cathode up to 3 SLPM*. Software controlled mass flow controllers. Automatic N2 purge valves on anode and cathode
Alarm Inputs: Gas supply pressures (3), humidifier water level (1), furnace over temperature (1), and external (1)
Temperature Controllers:
Quantity: (3) Furnace, anode humidifier, cell temp
Set and Report Accuracy: ±0.25 % of span, ±1 least significant digit
Sensor Type: Thermocouple, type K (R/S also available)
Temperature Limit Controller: (1) Furnace over-temp
Humidifier: Anode only, sparger-type, single passivated 316L W heaters per bottle
Temperature Range: Ambient to 99 ° C
Automated humidifier bypass
Environment:
Operating Temperature: 0 - 40 °C
Power Source: 120 V, 50/60 Hz, 900 W
Enclosure Type: Single bench top enclosure
Size and Weight: 18” H x 11” W x 19” D, 50 lb
46 cm x 28 cm x 48 cm, 23 kg
Safety Features: Automatic shutdown and N2, purge with under voltage, over-current, over-temperature, loss of reactant or purge gas pressure, furnace over-temperature limit, communications failure or external alarm. manual emergency stop switch included for manual shutdown by operator.