Isothermal Battery Calorimeter - CC

Isothermal Battery Calorimeter
Cell format: Coin Cell with in-built cycler

Measure heat release under isothermal conditions during charge/discharge protocols. Designed for coin cells

Isothermal Battery Calorimeter - CC

The IBC-CC 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: Coin Cell

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


  • Accurate heat measurement down to 10µW over temperature range
  • In-built cycler
  • Dynamic range up to 100mW
  • Small footprint, no ancillary cooling equipment required
  • Windows based control software, USB connection


 IBC-CC data

Cycling data from ML2032 rechargable coin cell, 65mAh capacity


Max Temperature (°C)                                          80
Min Temperature (°C)                                           -5
Temperature Stability (°C)                                     0.001

Refrigerated recirculator required                            No

Calorimeter chamber diameter (mm)                       25
Calorimeter chamber depth (mm)                             5

Number of sample chambers                                  1
Number of reference chambers                               1

RMS Noise                                                          10 µW
under controlled ambient conditions
Max heat detection                                               500 mW

Inegrated Cycler                                                     No
Min Current                                                           Defined by cycler
Max Current                                                          50 mA
Current resolution                                                  Defined by cycler
Internal wiring (force)                                              16 ga (1.3mm)
Internal wiring (sense)                                             20 ga (0.8mm)

Heat capacity measurement capability                      Yes

Heat cut out                                                            No

N2 Purge                                                                Yes

External cycler terminals                                          Yes

16 position Multipoint option                                      No

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

Weight                                                                     22 lbs
                                                                               10 kg

 *Specification above subject to change

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