Lithium Titanate Battery Performance and Temperature Distribution Quiz
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Questions and Answers

What percentage of its 1C capacity does the lithium titanate battery cell retain after 1100 cycles?

  • 93.81% (correct)
  • 87.23%
  • 90.00%
  • 95.50%
  • What percentage of its energy does the lithium titanate battery cell retain after 1100 cycles?

  • 88.00%
  • 92.49% (correct)
  • 96.20%
  • 85.73%
  • What is the maximum temperature difference observed on the cell surface between the upper and lower surfaces?

  • 1.6°C (correct)
  • 2.3°C
  • 0.8°C
  • 4.2°C
  • During thermal simulations on 3C discharge of the cell, where is the heat generation primarily concentrated?

    <p>Center area of the cell</p> Signup and view all the answers

    What is the temperature difference observed on the cell surface after a 3C discharge?

    <p>5.857°C</p> Signup and view all the answers

    How many temperature sensors were placed on the surface to examine the temperature distribution on the cell surface?

    <p>6 sensors</p> Signup and view all the answers

    What type of protocol was used to charge the LTO battery cells during testing?

    <p>Constant current-constant voltage (CCCV)</p> Signup and view all the answers

    At what voltage were the LTO battery cells charged up to during testing?

    <p>2.8 V</p> Signup and view all the answers

    How is the battery system designed in terms of modules?

    <p>4P288S</p> Signup and view all the answers

    What was the capacity of the LTO battery system used in the testing?

    <p>120 Ah</p> Signup and view all the answers

    Which test system was used to collect data during cell testing?

    <p>NEWARE CT-3048-5 V 200 A electrochemical test system</p> Signup and view all the answers

    Where were temperature measurements carried out during testing?

    <p>High- and low-temperature testing chamber (CT-4005)</p> Signup and view all the answers

    At what temperature can the LTO battery release 60% of its initial capacity?

    <p>-30°C</p> Signup and view all the answers

    What does Fig. 8b display?

    <p>State of charge - open circuit voltage curves</p> Signup and view all the answers

    What is the discharge capacity of the LTO battery module at 4C?

    <p>117.6 Ah</p> Signup and view all the answers

    Where was the temperature sensor placed to study the thermal performance of the battery module?

    <p>On the central cell inside the module</p> Signup and view all the answers

    What does Fig. 9c show?

    <p>Time-dependence of surface temperature</p> Signup and view all the answers

    What percentage of the 1C discharge capacity does the LTO battery module have at 4C?

    <p>94.2%</p> Signup and view all the answers

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