Conventional disposal of these batteries requires special handling that is costly. So is recovering material from lithium iron phosphate (LFP) batteries, which offers little value beyond lithium
There is currently no affordable way to recycle EV batteries. Representational pic/iStock
Researchers in the US have developed a method that can turn used EV batteries into fertilisers. The method uses a well-established ion-exchange process to recover lithium from the LFP materials by replacing it with potassium. The remaining elements include phosphorus, potassium, and nitrogen, which are key ingredients in fertilisers.
Conventional disposal of these batteries requires special handling that is costly. So is recovering material from lithium iron phosphate (LFP) batteries, which offers little value beyond lithium.
The method could help transform EV waste management at a time when the world braces for a wave of expired lithium-ion batteries with no affordable way to recycle them. Turning elements to fertilisers will reduce waste and also support agriculture.
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