The lithium-ion batteries used in electric vehicles have a shorter lifespan than other vehicle components, and the degradation mechanism inside these batteries reduces their life even more. Battery degradation is considered a significant issue in battery research and can increase the vehicle’s reliability and economic concerns. This study highlights the degradation mechanisms in lithium-ion batteries. The aging mechanism inside a battery cannot be eliminated but can be minimized depending on the vehicle’s operating conditions. Different operating conditions affect the aging mechanism differently. Knowing the factors and how they impact battery capacity is crucial for minimizing degradation. This paper explains the detailed degradation mechanism inside the battery first. Then, the major factors responsible for the degradation and their effects on the battery during the operation of electric vehicles are discussed. Also, the different techniques used to model the degradation of a battery and predict its remaining life are explained in-depth, along with the techniques to abate the aging process. Finally, this study focuses on the research gaps, difficulties in predicting the lifetime, and reducing the degradation mechanism of a battery used in electric vehicles.

Worried that frequent use of DC fast chargers will degrade the battery in your electric car? Recurrent says it's not a problem.

An independent analysis of 15,000 EV batteries finds that most don't need to be replaced until they're well over a decade old.

Manufacturers are switching from NMC to LFP batteries for a number of reasons.

• Reduced likelihood of thermal runaway
• Elimination of nickel and cobalt
• Better charging performance at extreme temperatures
• 5x longevity in terms of charging cycles

Tesla has released a rare update on the battery degradation in its electric cars. The automaker claims its batteries only lose about 12% of capacity after 200,000 miles.