PEM Electrolyzer Test Bench
The GR-WETS-PEM-SC100 series electrolytic water hydrogen production cell testing equipment is designed to provide an accurate and reliable testing platform for electrolytic water hydrogen production cells. This testing device has undergone multiple upgrades, improvements, and optimizations based on the performance of existing products in the industry. The testing equipment consists of a deionized water circulation system, a nitrogen purging unit, a gas-water separation unit, a gas analysis pretreatment unit, a PLC acquisition and control unit, a human-machine operation unit, and a safety monitoring unit. It uses the company's self-developed system testing software, which can meet the testing requirements for polarization curves, hydrogen production energy efficiency, hydrogen quality testing, and product lifespan.
Classification:
Product Details
Overview of PEM Electrolyzer Test Bench Product Power Levels
| Serial Number |
Number |
Name |
Model |
| 1 |
1 (Desktop type; atmospheric pressure) |
100W PEM Electrolyzer Test Bench |
GR-WETS-PEM-SC100 |
| 2 |
500W PEM Electrolyzer Test Bench |
GR-WETS-PEM-SC500 |
|
| 3 |
2 |
500W PEM Electrolyzer Test Bench |
GR-WETS-PEM-SC500 |
| 4 |
1kW PEM Electrolyzer Test Bench |
GR-WETS-PEM-S1K |
|
| 5 |
5kW PEM Electrolyzer Test Bench |
GR-WETS-PEM-S5K |
|
| 6 |
30kW PEM Electrolyzer Test Bench |
GR-WETS-PEM-S30K |
|
| 7 |
100kW PEM Electrolyzer Test Bench |
GR-WETS-PEM-S100K |
|
| 8 |
500kW PEM Electrolyzer Test Bench |
GR-WETS-PEM-S500K |
|
| 9 |
1MW PEM Electrolyzer Test Bench |
GR-WETS-PEM-S1M |
|
| 10 |
5MW PEM Electrolyzer Test Bench |
GR-WETS-PEM-S5M |
|
| 11 |
3 (Multi-channel) |
9-channel 200W PEM Electrolyzer Test Bench (Fully Independent) |
GR-WETS-PEM-SC200X9D |
| 12 |
4-channel 500W PEM Electrolyzer Test Bench (Fully Independent) |
GR-WETS-PEM-SC500X4D |
|
| 13 |
4-channel 500W PEM Electrolyzer Test Bench (Fully Shared) |
GR-WETS-PEM-SC500X4G |
Overview of PEM Electrolyzer Test Bench Products
1.1 Product Images
| Serial Number |
Type |
Image |
Image |
| 1 |
Desktop PEM Electrolyzer Test Bench |
|
|
| 2 |
PEM Electrolyzer Test Bench |
|
|
| 3 |
Multi-channel PEM Electrolyzer Test Bench |
|
|
1.2 Product Overview
The GR-WETS-PEM series electrolyzer test bench is designed to provide an accurate and reliable testing platform for electrolyzers. This test bench has undergone multiple upgrades and optimizations based on the performance of existing products in the industry. It consists of a deionized water circulation system, nitrogen purging unit, gas-water separation unit, gas analysis pre-treatment unit, PLC data acquisition and control unit, human-machine operation unit, and safety monitoring unit, utilizing the company's self-developed system testing software to meet the testing requirements for polarization curves, hydrogen production energy consumption efficiency, hydrogen quality testing, and product lifespan.
1.3 Product Functions
Nitrogen Purging: Equipped with automatic nitrogen purging function before and after testing, and during equipment failure/shutdown.
Electrolyte Control: Features a wide range of high-precision control for circulating water flow; conductivity monitoring function; liquid level monitoring and automatic water replenishment function.
Gas-Water Separation: Features an efficient gas-water separation design, including gas-liquid separation, condensation dehumidification, and drying devices.
Pressure Control: Equipped with automatic back pressure control for anode/cathode; features equal pressure and differential pressure control for both sides.
Flow Detection: Provides high-precision online measurement of gas flow.
Data Acquisition and Storage: Capable of real-time acquisition and monitoring of data such as current, voltage, temperature, pressure, and circulating water flow.
Safety Interlock and Protection: Features dual safety protection strategies (hardware and software), with three-level alarm parameters settable via upper computer software.
Performance Testing: Capable of testing electrolyzer polarization curves, chamber consistency, durability, sensitivity, and other testing functions.
Stability and Reliability: Capable of 24-hour unattended operation.
1.4 Product Advantages
High Control Stability: Steady-state temperature control ±1℃; pressure control ±0.5%F.S.; water flow control ±1%F.S.; conductivity control for purified water ≤0.1μS/cm.
High Measurement Accuracy: Temperature ±0.5℃; pressure ±0.5%F.S.; circulating water flow ±1%F.S.; gas flow ±0.8%RD+0.2%F.S.
High Integration Level: Highly integrated equipment, compact layout, aesthetically pleasing design, convenient operation, and complete interface functions.
Strong Data Processing Capability: Capable of automatically collecting, analyzing, and processing data, generating detailed test results including charts, data lists, etc.
High Equipment Safety: Complete safety protection and interlock functions, with three-level safety alarm limits settable via upper computer.
Strong Equipment Reliability: Equipment features various automatic condition testing functions, capable of 7×24 hours unattended operation.
Multiple Function Expansion: Can use nitrogen for pipeline pre-pressurization; can expand for quick sampling at the electrolyzer outlet for gas analysis; can integrate with electrochemical workstations for electrochemical testing; can expand to achieve electrolyzer polarization loss decomposition, EIS data analysis functions, etc.
1.5 Product Parameters
1.5.1 Desktop PEM Electrolyzer Test Bench
| Model |
GR-WETS-PEM-SC100 |
GR-WETS-PEM-SC500 |
|
| Rated Power |
100W |
500W |
|
| Electrolyzer Type |
PEM Electrolyzer |
||
| System Module |
Technical Specifications |
Specific Parameters |
|
| Deionized Water Circulation Module |
Medium |
Deionized Water |
|
| Circulation Mode |
Anode Deionized Water Circulation |
||
| Conductivity |
Features online conductivity detection; detection range: 0~20μS/cm; accuracy: ±0.5%F.S. |
||
| Purification Function |
Features online deionization function, conductivity control ≤0.1μS/cm. |
||
| Water flow rate |
0.05~0.5L/min |
||
| Temperature control |
RT~90℃; Steady-state temperature control accuracy: ±1℃; Heating rate: 1~4℃/min |
||
| Automatic water replenishment |
Equipped |
||
| Hydrogen/Oxygen system module |
Hydrogen flow rate |
0~0.5SLPM |
0~2.5SLPM |
| Back pressure range |
Atmospheric pressure |
||
| Dehydration function |
Equipped with gas-liquid separation, condensation dehumidification, drying |
||
| Nitrogen purging |
Purging function |
Equipped with automatic/manual nitrogen purging function before/after testing, customizable purging time |
|
| Gas analysis |
Hydrogen in oxygen |
Range: 0~4%VOL; Accuracy: ±2%F.S. (Calibration available for range 0~5%VOL) |
|
| Power module |
Working mode |
Constant pressure, constant current, constant power, programmable automatic operation |
|
| Voltage |
0~20V |
0~16V |
|
| Current |
0~100A |
0~250A |
|
| Voltage inspection |
Voltage inspection |
Equipped with individual voltage inspection function; Number of channels: customizable; Range: ±3V; Accuracy: ±1mV; Alarm limit can be set |
|
| Whole system |
Controller |
PLC |
|
| Host computer |
Optional C# or Labview |
||
| Communication interface |
LAN |
||
| Power supply |
AC220V/50Hz |
||
| Overall structure |
Desktop type |
||
| Optional functions |
Fixtures; Oxygen flow detection; Hydrogen in oxygen detection; Dew point detection; Electrochemical workstation; Electrochemical testing; Polarization loss decomposition and EIS data analysis functions |
||
Note: Upgrades or downgrades can be made according to requirements.
1.5.2 PEM electrolyzer test bench
| Model |
GR-WETS-PEM-SC500 |
GR-WETS-PEM-S1K |
GR-WETS-PEM-S5K |
GR-WETS-PEM-S30K |
GR-WETS-PEM-S100K |
GR-WETS-PEM-S500K |
GR-WETS-PEM-S1M |
GR-WETS-PEM-S5M |
|
| Rated Power |
500W |
1kW |
5kW |
30kW |
100kW |
500kW |
1MW |
5MW |
|
| Electrolyzer Type |
PEM Electrolyzer |
||||||||
| System Module |
Technical Specifications |
Specific Parameters |
|||||||
| Deionized Water Circulation Module |
Medium |
Deionized Water |
|||||||
| Circulation Mode |
Anode Deionized Water Circulation |
||||||||
| Conductivity |
Features online conductivity detection; detection range: 0~20μS/cm; accuracy: ±0.5%F.S. |
||||||||
| Purification Function |
Features online deionization function, conductivity control ≤0.1μS/cm. |
||||||||
| Water flow rate |
1L/min |
2L/min |
10L/min |
50L/min |
180L/min |
500L/min |
800L/min |
4000L/min |
|
| Temperature control |
RT~90℃; Steady-state temperature control accuracy: ±1℃; Heating rate: 1~4℃/min |
||||||||
| Automatic water replenishment |
Equipped |
||||||||
| Hydrogen/Oxygen system module |
Hydrogen flow rate |
2.5SLPM |
5SLPM |
25SLPM |
150SLPM |
500SLPM |
2500SLPM |
5000SLPM |
25000SLPM |
| Back pressure range |
Maximum 0~5MPa; Control accuracy: ±0.5%F.S.; Equipped with gas equalization and differential pressure control functions on both sides |
||||||||
| Dehydration function |
Equipped with gas-liquid separation, condensation dehumidification, drying |
||||||||
| Nitrogen purging |
Purging function |
Equipped with automatic/manual nitrogen purging function before/after testing, customizable purging time |
|||||||
| Gas analysis |
Hydrogen in oxygen |
Range: 0~4%VOL; Accuracy: ±2%F.S. (Calibration available for range 0~5%VOL) |
|||||||
| Power module |
Working mode |
Constant pressure, constant current, constant power, programmable automatic operation |
|||||||
| Voltage |
Custom services provided based on actual needs |
||||||||
| Current |
Custom services provided based on actual needs |
||||||||
| Voltage inspection |
Voltage inspection |
Equipped with individual voltage inspection function; Number of channels: customizable; Range: ±3V; Accuracy: ±1mV; Alarm limit can be set |
|||||||
| Whole system |
Controller |
PLC |
|||||||
| Host computer |
Optional C# or Labview |
||||||||
| Communication interface |
LAN |
||||||||
| Power supply |
AC220V/50Hz or AC380V/50Hz |
||||||||
| Overall structure |
Rack type |
Cabinet/container/skid type |
|||||||
| Optional functions |
Oxygen flow detection; Hydrogen in oxygen detection; Dew point detection; Nitrogen pre-pressurization; Sampling gas analysis; Electrochemical testing; Polarization loss decomposition and EIS data analysis functions |
||||||||
Note: Upgrades or downgrades can be made according to requirements.
1.5.3 Multi-channel PEM electrolyzer test bench
| Model |
GR-WETS-PEM-SC200X9D |
GR-WETS-PEM-SC500X4D |
GR-WETS-PEM-SC500X4G |
|
| Single channel rated power |
200W |
500W |
||
| Electrolyzer Type |
PEM Electrolyzer |
|||
| Channel form |
9 independent channels |
4 independent channels |
4 shared channels |
|
| System Module |
Technical Specifications |
Specific Parameters |
||
| Deionized Water Circulation Module |
Medium |
Deionized Water |
||
| Circulation Mode |
Anode deionized water circulation, each channel is independent |
|||
| Conductivity |
Each channel is equipped with online conductivity detection function Detection range: 0~20μS/cm; Accuracy: ±0.5%F.S. |
Shared 1 set of online conductivity detection function Detection range: 0~20μS/cm; Accuracy: ±0.5%F.S. |
||
| Purification Function |
Each channel is equipped with online deionization function Conductivity control ≤0.1μS/cm |
Shared 1 set of online deionization function Conductivity control ≤0.1μS/cm |
||
| Water flow rate |
0.05~0.5L/min |
|||
| Temperature control |
RT~90℃; Steady-state temperature control accuracy: ±1℃; Heating rate: 1~4℃/min |
|||
| Automatic water replenishment |
Equipped |
|||
| Hydrogen/Oxygen system module |
Hydrogen flow rate |
Single channel 0~1SLPM |
Single channel 0~2.5SLPM |
0~10SLPM |
| Back pressure range |
9 independent channels back pressure, maximum 0~5MPa |
4 independent channels back pressure, maximum 0~5MPa |
4 shared channels back pressure, maximum 0~5MPa |
|
| Dehydration function |
All 9 channels are equipped with gas-liquid separation, condensation dehumidification, drying |
All 4 channels are equipped with gas-liquid separation, condensation dehumidification, drying |
Shared 1 set of gas-liquid separation, condensation dehumidification, drying |
|
| Nitrogen purging |
Purging function |
Equipped with automatic/manual nitrogen purging function before/after testing, customizable purging time |
||
| Gas analysis |
Hydrogen in oxygen |
Range: 0~4%VOL; Accuracy: ±2%F.S. (Calibration available for range 0~5%VOL) |
||
| Single channel power module |
Working mode |
Constant pressure, constant current, constant power, programmable automatic operation |
||
| Voltage |
0~10V |
0~16V |
||
| Current |
0~200A |
0~250A |
||
| Voltage inspection |
Voltage inspection |
Equipped with individual voltage inspection function; Number of channels: customizable; Range: ±3V; Accuracy: ±1mV; Alarm limit can be set |
||
| Whole system |
Controller |
PLC |
||
| Host computer |
Optional C# or Labview |
|||
| Communication interface |
LAN |
|||
| Power supply |
AC220V/50Hz or AC380V/50Hz |
|||
| Overall structure |
Rack type |
|||
| Optional functions |
Fixtures; Independent detection/switching inspection of oxygen flow; Switching inspection of hydrogen in oxygen; Independent detection/switching inspection of oxygen in hydrogen; Dew point detection; Nitrogen pre-pressurization; Electrochemical testing; Polarization loss decomposition and EIS data analysis functions |
|||
Note: Upgrades or downgrades can be made according to requirements.
Key words:
Fuel Cell Stack Test Equipment丨Fuel Cell丨Control
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