In the context of electric vehicle batteries, consider the following elements :
ICobalt
IIGraphite
IIILithium
IVNickel
How many of the above usually make up battery cathodes ?

Question

In the context of electric vehicle batteries, consider the following elements :
I. Cobalt
II. Graphite
III. Lithium
IV. Nickel

How many of the above usually make up battery cathodes ?

Accepted Answer

(C) Only three

Answer

(A) Only one

Answer

(B) Only two

Answer

(D) All the four