ELECTRIC VEHICLE BATTERY TYPES AND WHAT EVERY EV OWNER SHOULD KNOW TO MAKE THEM LAST

EV Channels Review

This episode of Batteries Included features UC Berkeley Professor Scott Moura discussing EV battery chemistries and owner best practices. The conversation delves into Lithium-ion (NCM/NCA) and Lithium Iron Phosphate (LFP) batteries, touching on emerging Sodium-ion and Solid-state technologies. Professor Moura clarifies that while gradual improvements are expected rather than a single breakthrough, understanding battery management is key. He advises charging to 80% or less for daily use to preserve battery health, especially for NCM/NCA chemistries, as high voltage for extended periods is detrimental. For LFP batteries, charging to 100% is primarily for state-of-charge calibration, not necessarily cell longevity. The discussion also highlights LFP's lower temperature performance as a significant drawback. Regarding fast charging, while generally more stressful, Tesla's advanced thermal management and charging curve strategies appear to mitigate degradation effectively, a contrast to earlier, less sophisticated systems like the Nissan Leaf's. Ultimately, the expert assures listeners that modern EV batteries are robust, and while optimizing charging habits can eke out more life, excessive worry is unnecessary for the average owner.