Which materials are commonly used in electric vehicle batteries?

The correct choice highlights the primary materials commonly used in electric vehicle (EV) batteries, particularly lithium-ion batteries, which are the most prevalent type in electric vehicles. Lithium serves as the key active material in the battery's electrolyte, allowing for the efficient transfer of ions during the charge and discharge cycles. Cobalt and nickel are crucial in enhancing the energy density and longevity of these batteries, contributing to better performance and range for electric vehicles. Graphite typically functions as the anode material, aiding in ion storage and transfer.

Together, these materials are integral to achieving the optimal balance of energy capacity, safety, and charging efficiency that modern electric vehicles require. This combination of elements has been extensively researched and optimized in the field of battery technology, making them the standard choice for EV manufacturers seeking high-performance solutions.