China’s newly announced raft of restrictions on the export of batteries could have major impacts on U.S. companies, analysts say.

Beijing has previously used rare earths as a tool in the trade war with Washington. But with its commanding position in the battery industry, China has identified another point of leverage in trade talks as the U.S. increasingly needs energy storage to support data centres and stabilize the grid.

The restrictions, which take effect Nov. 8, span a wide swath of the battery supply chain. They include large-scale lithium-ion batteries used for energy storage as well as cathode and anode materials and battery manufacturing machinery, all technologies where China has a robust lead.

As with past restrictions, the new rules require battery companies to receive licen

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