Equipment of Laboratories

In order to examine and test electrochemical energy storage systems, fully-equipped laboratories are available.

[Dynamic Battery Test Benches] [Multi-Channel Cell Testing Device] [HPS-Test Bench] [Dual Voltage Battery] [Test Bench for Multi-Voltage Power Systems]

Dynamic Battery Test Benches

Specifications:

• Test channels: 2
• Maximum voltage: up to 60 V
• Maximum Discharge Current: up to 1000 A
• Maximum Charging Current: upto 500 A
• Recording of measured values: up to 10 kHz
• Air-conditioning of the specimens in climatic chambers (from -40°C to 180°C)

Possible Tests:

• Assessment of cell parameters (capacity, internal resistance, power, equilibrium potential etc.)
• Impedance spectroscopy to determine model parameters
• Ageing tests
• Thermal investigation

Multi-Channel cell testing device

Technical Data:

• 18 independent channels
• Integrated CPU board (independent monitoring of the limit values, no data loss in case of computer system failure)
• Maximum voltage per channel: 4.5 V
• Maximum discharge current per channel: 50 A
• Maximum charging current per channel: 50 A
• Air-conditioning of the specimens in climatic chambers (from -40°C to 180°C)
• Manufacturer: BaSyTec

Possible Tests:

• Assessment of cell parameters (capacity, internal resistance, power, equilibrium potential etc.)
• Ageing tests
• Test of cycles (driving cycles, standard cycles)
• Assessment of parameter variance

High Power Battery Test System

Technical Data:

• Integrated CPU board (independent monitoring of the limit values, no data loss in case of computer system failure)
• Maximum voltage: up to 60 V
• Maximum discharging/charging current: 120 A
• Maximum loading/unloading capacity: 6 kW
• Recording of measured values up to 1 MHz
• Air-conditioning of the specimens in climatic chambers (from -40°C to 180°C)
• Manufacturer: BaSyTec

Possible Tests:

• Assessment of cell parameters (capacity, internal resistance, power, equilibrium potential etc.)
• Dynamic load steps to determine model parameters
• Ageing tests
• Test of cycles (driving cycles, standard cycles)

Dual Voltage Battery

Technical Data:

• Maximum charging voltage: 60 V
• Maximum charging current: 100 A
• Maximum loading capacity: 6 kW
• Maximum discharge voltage: MV 60 V/LV 60 V
• Maximum discharging current: MV 100 A/LV 200 A
• Maximum unloading capacity: MV 1.8 kW/LV 3.6 kW
• Compact RIO (RT controller 800 MHz, 32 input/output channels, FPGA) for recording and processing measured values as well as managing electrical load and source

Possible Tests:

• Investigation of battery balancing
• Developing/validation of battery management strategies
• Component ratings (e.g. DC-to-DC converter)
• Examination of a dual voltage battery with centre tap

Test Bench for Multi-Voltage Power Systems

Technical Data:

• Maximum charging voltage: MV 60 V/LV 30 V
• Maximum charging current: MV 100 A/LV 200 A
• Maximum loading capacity: MV 6 kW/LV 6 kW
• Maximum discharge voltage: MV 60 V/LV 60 V
• Maximum discharging current: MV 750 A/LV 500 A
• Maximum unloading capacity: MV 8 kW/LV 7.2 kW
• Components: claw-pole generator 12 V, RSG 48 V, DC-to-DC converter, storage
• Bus systems: CAN, LIN, BSD, Ethernet

Possible Tests:

• Energetic power system investigation (single- and multi-voltage power systems)
• Measurement validation for simulation models
• Investigation based on driving cycles (NEFZ, WLTP)
• Examination of power system components