SHANGHAI--China needs to step up the recycling and repurposing of batteries for electric vehicles in order to ease supply strains and curb pollution and carbon emissions, environmental group Greenpeace said on Friday.

Though the deployment of electric vehicles is an important environmental initiative, the manufacturing of batteries is energy- and carbon-intensive and puts the supply of key raw materials like lithium and cobalt under severe strain, the group said in a research report.

“We’re about to see a tidal wave of old EV batteries hit China,” said Ada Kong, Greenpeace East Asia’s senior program manager. “How the government responds will have huge ramifications for Xi Jinping’s 2060 carbon neutral commitment.”

Greenpeace said 12.85 million tons of EV lithium-ion batteries will go offline worldwide between 2021 and 2030, while more than 10 million tons of lithium, cobalt, nickel and manganese will be mined for new batteries.

Repurposed batteries could be used as backup power systems for China’s 5G stations or reused in shared e-bikes and would save 63 million tons of carbon emissions from new battery manufacturing, it estimated.

It said total global demand for energy storage could be met by old EV batteries by 2030.

China, the world’s biggest EV user and EV battery manufacturer, has launched its own battery recycling schemes to cope with the expected surge in utilization, and is also implementing tracing systems that will track the entire lifespan of a battery from manufacturing to disposal.

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