The rollout of electric vehicles is solving one environmental problem and creating another one, but solutions are on the horizon
New advances in recycling are providing a solution to the environmental damage caused by skyrocketing demand for lithium-ion (Li-ion) batteries.
A booming market for EVs has prompted a scramble for lithium, nickel, cobalt, and other minerals used to make the batteries that power them.
The dirty business of lithium mining has been mired in controversy, with accusations of poisoned rivers in Tibet and Argentina and water shortages in Chile, while cobalt extraction in the Democratic Republic of Congo has been linked to modern-day slavery.
Recycling Li-ion batteries, which are typically more complex and can even explode if not treated with care, has proved prohibitively expensive, with some estimates putting the global recycling rate at just 5 percent.
However, a growing number of recycling companies are trying to close the loop on Li-ion cells and spare them from landfill, drawing on developments in hydrometallurgy, where materials in batteries are dissolved and separated in acids and solvents.
In the US, former Tesla chief technical officer Jeffrey Brian Strausel set up Nevada-based Redwood Materials (pictured below) and hopes to make enough recycled materials for 5m EV batteries by 2025.
The firm has won the backing of the US Department of Energy in the form of a $2bn (£1.7bn) loan and is partnering with Audi, Volkswagen, and Toyota to recycle their EV batteries.
“Redwood’s mission is to create a circular supply chain for electric vehicles that makes them more sustainable and drives down the single most expensive component: batteries,” said a spokesperson for the company. “Ramping up a domestic battery materials supply chain is the best way we can meet the US’s 2030 electrification goals.”
In Canada, Li-cycle has four plants recycling 30,000 tonnes of batteries a year, with plans for another three sites in the pipeline.
Meanwhile, in the UK, where Li-ion EV batteries have to be sent overseas for processing, Altilitech, a green technology company aiming to decarbonize the EV supply chain, is bidding to open a first-of-its-kind recycling center. The firm has been awarded £3m of government funding and hopes to be operational at a new site in Teesside by 2025.
Main image: Martin Katler
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John Ravenporton is a writer for many popular online publications. John is now our chief editor at DailyTechFeed. John specializes in Crypto, Software, Computer and Tech related articles.