• Type of sample: Coin Cell LiR2032
• Isothermal mode with temperature
  set at 40°C
• Charging/Discharging cycle
  Constant current Constant voltage
  (CC-CV) – 40 mA from 4.2 V to 3.0 V

The data shows that charging is characterized by a short endotherm followed by a small exothermic reaction while discharging is characterized by a long exothermic reaction. Cycles are reliably repeatable.

The same data was used to calculate the cell efficiency during charging and discharging. Also note that the isothermal temperature varies only slightly through the discharge and charge cycle.