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 (B)</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 (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 (C)</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) (B)</p> Signup and view all the answers

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

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

How is the battery system designed in terms of modules?

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

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

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

Where were temperature measurements carried out during testing?

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

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

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

What does Fig. 8b display?

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

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

<p>117.6 Ah (A)</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 (B)</p> Signup and view all the answers

What does Fig. 9c show?

<p>Time-dependence of surface temperature (A)</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% (B)</p> Signup and view all the answers

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