Question

Why Lithium cells are used instead of Ni-Cd cell in smartphone?
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Answer 1

Answer:

Lithium-ion (or Li-ion) batteries are smaller in size, require low maintenance and are environmentally safer than Nickel-cadmium (also called NiCad, NiCd or Ni-Cd) batteries. While they have similarities, Li-ion and NiCd batteries differ in their chemical composition, environmental impact, applications and costs.

Explanation:

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Answer 2

Answer:

Lithium-ion batteries are low maintenance. They can be recharged before they are fully discharged without creating a “memory effect” and operate in a wider temperature range. When compared to Ni-Cd, the self-discharge in lithium-ion is less than half, making it well suited for modern fuel gauge applications.