18 Questions
What percentage of its 1C capacity does the lithium titanate battery cell retain after 1100 cycles?
93.81%
What percentage of its energy does the lithium titanate battery cell retain after 1100 cycles?
92.49%
What is the maximum temperature difference observed on the cell surface between the upper and lower surfaces?
1.6°C
During thermal simulations on 3C discharge of the cell, where is the heat generation primarily concentrated?
Center area of the cell
What is the temperature difference observed on the cell surface after a 3C discharge?
5.857°C
How many temperature sensors were placed on the surface to examine the temperature distribution on the cell surface?
6 sensors
What type of protocol was used to charge the LTO battery cells during testing?
Constant current-constant voltage (CCCV)
At what voltage were the LTO battery cells charged up to during testing?
2.8 V
How is the battery system designed in terms of modules?
4P288S
What was the capacity of the LTO battery system used in the testing?
120 Ah
Which test system was used to collect data during cell testing?
NEWARE CT-3048-5 V 200 A electrochemical test system
Where were temperature measurements carried out during testing?
High- and low-temperature testing chamber (CT-4005)
At what temperature can the LTO battery release 60% of its initial capacity?
-30°C
What does Fig. 8b display?
State of charge - open circuit voltage curves
What is the discharge capacity of the LTO battery module at 4C?
117.6 Ah
Where was the temperature sensor placed to study the thermal performance of the battery module?
On the central cell inside the module
What does Fig. 9c show?
Time-dependence of surface temperature
What percentage of the 1C discharge capacity does the LTO battery module have at 4C?
94.2%
Test your knowledge on the performance of lithium titanate battery modules after 1100 cycles and the temperature distribution on the cell surface. Questions include retention rates, operating environments, and temperature sensor data interpretation.
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