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Figure 1. LTO battery from China

Table 1. Declared characteristics.

Capacity 1500 mAh
Nom. voltage  2.4 V
Min. voltage 1.9 V
Max. voltage  2.8 V
Resistance 20 mOhm
Mass 39  g

 

Measured characteristics

 

Figure 1. Galvanostatic charge-discharge curves depending on current rate. At 2C polarization is ~0.2V, corresponding to ~70 mOhm. The capacity at 2C is less than 1400 mAh.

 

Figure 2. Galvanostatic discharge (150 mA) curves at different temperatures.

 

Figure 3. Cycling at 1 C (1400 mA) charge/discharge.

 

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