To address EV drivers’ concerns and reduce dependency on the Chinese supply chains, lithium-ion battery developers are pursuing technological solutions to replace graphite with higher energy-dense, domestically available and affordable anode active materials. Frank Lev reports.
Graphite is the active material used in most existing lithium-ion battery anodes. Despite its time-tested qualities, it has certain limitations. It has a relatively low discharge capacity of 360mAh/g, and its electrochemical kinetics are problematic for fast charging, making the incumbent lithium-ion batteries less suitable for EVs’ growing demands.
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