Back in 2020, the electric vehicle sector witnessed a major evolutionary change after leading EV makers started using cobalt-free batteries at scale. Back then, Tesla Inc. (NASDAQ:TSLA) officially shifted to Lithium Iron Phosphate (LFP) for its standard-range vehicles while its leading Chinese rival, BYD Company (OTCPK:BYDDF), introduced its famous "Blade" batteries, triggering mass adoption of LFP batteries for electric vehicles by other automakers. LFP batteries have helped EV manufacturers to lower production costs, eliminate reliance on expensive…