Lithium battery quiz

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We all know what we need to know about lithium batteries, do we ?

This quiz refers to modern lithium ion batteries in general. There might be exceptions.

(For batteries in electric vehicles; follow the manufacturer’s advice.)

The average EV car battery degradation comes mainly from the miles driven

1 point

Correct

Incorrect

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Lithium batteries are sensitive to the memory effect and should not be charged at the same SOC every time.

1 point

Correct

Incorrect

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Lithium ion batteries can manage a fixed number of recharges. Because of this it is better to reduce the number of charges and charge more each time.

1 point

Correct

Incorrect

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Between the choices below, which SOC region causes the least degradation for the same amount of miles driven/energy used?

1 point

30-10%

60-40%

80-60%

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A lithium ion battery stress is higher below 20% SOC and because of this it degrades faster if it is used or stored below 20% SOC.

1 point

Correct

Incorrect

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Battery degradation is divided into these types:

(Multiple choices can be correct)

2 points

Calendar aging

Cyclic aging

A lithium ion battery will get damaged if left at 100% SOC. Time at 100% must be reduced to save the battery from damage.

1 point

Incorrect

Correct

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What is the optimum storage SOC for a lithium ion battery to reduce the degradation from time ?

1 point

20%

40%

50%

60%

70%

80%

90%

100%

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Below which SOC will a lithium ion battery risk to get damaged from overdischarge ?

1 point

10%

20%

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Which lithium ion battery lasts the longest?

1 point

A battery cycled at low SOC with small cycles

A battery cycled at medium SOC with medium size cycles

A battery cycled at high SOC with large cycles

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If I follow the EV manuacter’s charging and useage advice, will I need to worry about the battery needing replacement in a few years?

2 points

Yes, lithium batteries is very sensitive and need extreme care from the owner

No, if used according to the advice they will live for several years. In many cases they will even outlive the car itself

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