Therefore, the key to the problem is, what is the difference between the lead -quality battery and the lithium battery? In fact, the lead battery itself does not have any hidden dangers. It has emerged for more than 160 years. The technology is very mature. So far, no new technology can replace it. The energy density and service life of lithium batteries have great advantages. The use of lithium batteries will make the weight of electric vehicles lighter and stronger endurance, but the price is a big problem. Both batteries have their own advantages and disadvantages, but the former is more suitable for the current market development, while the latter will gradually replace lead batteries with modularity, series, and production capacity.

　　In the final analysis, the focus of controversy is still in the safety of batteries, but some people say, "The problem is not the environment, how to manage it." At present, the technology of lead batteries is very mature. For example 300,000 tons. In foreign countries, the treatment of lead -acid batteries is not a pollution industry, but a management problem. Some people in the industry even asked the traditional automobile industry: "Chinese traditional cars have sold 28 million units in 2016. Even if they use 28 million lead batteries. Does anyone question the environmental protection issues of the traditional automobile industry?"

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