Lithium-ion car and bus batteries can collect and discharge electricity for another seven to 10 years after being taken off the roads and stripped from chassis — a shelf life with significant ramifications for global carmakers, electricity providers and raw-materials suppliers.
Finding ways to reuse the technology is becoming more urgent as the global stockpile of EV batteries is forecast to exceed the equivalent of about 3.4 million packs by 2025, compared with about 55,000 this year, according to calculations based on Bloomberg NEF data.
China, where about half the world’s EVs are sold, is implementing rules in August to make carmakers responsible for expired batteries and to keep them out of landfills. The European Union has regulations, and the industry expects the U.S. to follow.
General Motors Co., BMW AG, Toyota Motor Corp., BYD Co. and a clutch of renewable-energy storage suppliers are among those trying to create an aftermarket and extra profits for a device that only recently coalesced into its own market. Second lives generate second revenue streams for the same product, and those could help lower prices for EVs.
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