Q11. (a) With reference to battery systems for emergency purposes, explain the precautions that must be taken with regard to personnel safety, storage and maintenance. (7)
(b) Explain how batteries are kept at the correct rate of charge. (3)
11. With reference to lithium-ion batteries:
(a) explain why this type of battery has been adopted for shipboard use; (4)
(b) state ONE advantage and ONE disadvantage of lithium-ion batteries; (2)
(c) define EACH of the following:
(i) cell drift; (2) (ii) thermal runaway. (2)
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