Chapter 20, Problem 22E

Interpretation Introduction

Interpretation: Elaborate the types and working of portable rechargeable batteries.

Concept introduction:

Three types of portable rechargeable batteries - NiCad batteries are a common rechargeable battery; however, they are least energy efficient and the cadmium can be toxic to the environment. NiMH batteries are more efficient than NiCad batteries and use a different anode that is less harmful to the environment, making them the better choice. Lithium ion batteries are the most expensive, but also the most energy efficient.

To discuss: The three types of portable rechargeable batteries.