Question

The secondary cells are also called as storage cells or an accumulator since
A.The products of the chemical reaction get accumulated
B.Same cell can be used for storing/ electrical energy over and over again
C.Same cell can be used for delivering /electrical energy over and over again
D.Both C and B

Answer 1

A Battery is basically a device consisting of one or more electrical cells that convert chemical energy into electrical energy. They can be broadly divided into two types, i.e. Primary cell and secondary cell. Further, the secondary cells are the batteries that can be recharged after use by passing current through the electrodes in the opposite direction.

Complete step by step answer:
Every battery is basically a galvanic cell where redox reactions take place between two electrodes which act as the source of the chemical energy.
Now we have two types of batteries:
-Primary cell/ primary battery
-Secondary cell/secondary battery
In case of primary batteries, the redox reaction proceeds in only one direction. It cannot be used once the chemicals inside it are exhausted.
Now, let us consider the case of a secondary battery,
The secondary batteries are the batteries that can be recharged after use by passing current through the electrodes in the opposite direction i.e. from the negative terminal to the positive terminal. Same cells can be used for storing and delivering the electrical energy over and over again.
Generally, these cells are known as repeated action cells. In these types of cells, the electrical energy is stored in the form of chemical energy and hence, these cells are also known as storage cells or accumulators.

Hence, option D is correct.

Note:
Some examples of secondary batteries include nickel-cadmium, lead acid and lithium ion batteries. There are few disadvantages of these types of cells such as, for the low cost applications such as toys, the charger could cost much more than the product. Moreover, there is a safety issue with the main power supply.