Isothermal Battery Calorimeter

Isothermal Battery Calorimeter - P

Measure heat release under isothermal conditions during charge/discharge protocols. Designed for small prismatic cells
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The IBC-P provides accurate and easy testing of heat output from charging and discharging a single battery.

Heat occurring during the charging and discharging of batteries is largely due to their internal impedance. Characterisation of this heat at different operating temperatures is vital for efficient thermal mangement of cells in packs or modules.

Isothermal calorimeters have higher sensitivity that adiabatic calorimeters. Their temperature range is limited and they are not appropriate for safety abuse testing when battery disintegration or high temperatures may result.

Cell format: Prismatic Small

Study battery

Stability
Performance
Efficiency
Life cycle

Quantify heat release...
under applied load conditions with connection to external cycler.

Measure change of heat release with...

• Chemistry modification • Applied load
• Size and shape • State of charge
• Environmental temperature • Age

Features

Accomodate battery sizes up to 100 x 150mm; depth 20mm
Temperature range, tailored to automotive operating requirements (-20 to 60°C)
Accurate heat measurement down to 1mW over temperature range
Wide dynamic range up to 10W
Windows based control software, USB connection

Heat generated along with current data during three minute discharges on a prismatic battery at 20°C

Specification

Max Temperature (°C)                                 60
Min Temperature (°C)                                 -20
Temperature Stability (°C)                           0.01

Refrigerated recirculator required Yes

Calorimeter chamber diameter (mm) 100 x 150
Calorimeter chamber depth (mm) 20

Number of sample chambers 1
Number of reference chambers 0

RMS Noise 1 mW
under controlled ambient conditions
Max heat detection 10 W

Inegrated Cycler                                          No
Min Current                                                 Defined by cycler
Max Current                                                50 A
Current resolution                                        Defined by cycler
Internal wiring (force)                                    4 ga (5.2mm)
Internal wiring (sense)                                  20 ga (0.8mm)

Heat capacity measurement capability Yes

Heat cut out Yes

N₂ Purge Yes

External cycler terminals Yes

16 position Multipoint option Yes

Footprint (Width x Height x Depth) 10 x 12 x 16 inch
25 x 30 x 41 cm

Weight 24 lbs
11 kg

*Specification above subject to change

Sample test

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