What is the world's largest producer of lithium-ion batteries?

China has become the world's largest producer of lithium-ion batteries, matching South Korea and Japan in the global market. China's power battery production capacity has reached 38 kilowatt-hours, accounting for 60 percent of global capacity, according to a report released last week at the China (qinghai) lithium industry and power battery international BBS conference in xining, capital of northwest China's qinghai province. The main reason is the rapid development of electric cars around the world.

However, despite the booming market for electric vehicles, industry insiders are concerned about the future of the industry as many major issues remain unresolved, such as poor technology related to resource utilization and battery production, and the lack of battery regeneration systems.

Zhang yongwei, secretary-general and chief expert of the China electric vehicle association, a non-profit organization promoting the development of new energy vehicles, said that China will produce tens of millions of electric vehicles every year by 2030.

Zheng mianping, an academician at the Chinese academy of engineering, said that although China has abundant lithium resources, its utilization rate is low due to backward technology and underdeveloped supporting industries. His team estimates that about 70 percent of the lithium used in China is imported. In addition, China lacks natural resources for nickel and cobalt, two important materials for power batteries, zheng said. Another major problem is that China does not yet have a comprehensive battery recycling system. He also said that about 70 to 80 percent of the electricity in the used batteries of new energy vehicles is still available, and if properly handled, there are many base metals that can be extracted and reused.

The first power batteries currently in use in the Chinese market are about to be retired. Chen qingtai, chairman of the all-china electric vehicle association, suggested that in addition to launching a plan to encourage the reuse of electric vehicle batteries, authorities should also develop detailed rules for technology development and battery disposal plans.

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