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　　In terms of research and development of power lithium batteries, who is better, BYD or CATL?

　　First of all, within just 7 years of its establishment, CATL has become a large company with a valuation of more than 100 billion. The most important reason is that it focuses more on battery technology and is committed to becoming the world's leader in high-end batteries. When the domestic power lithium-ion battery industry was just emerging, major car companies all regarded lithium iron phosphate batteries as an important research target. CATL seized the opportunity and targeted the later stages of ternary lithium-ion batteries. In terms of development, this decision also allowed CATL to occupy the domestic market in just a few years. CATL is not just satisfied with such achievements, it has been working hard on product quality improvement and research and development, and finally transformed from a small battery company into a world-class automotive battery supplier. And according to relevant statistics, CATL's power lithium battery shipments increased by 73% in 2017, reaching 11.8GWh, even surpassing Panasonic to become the world's number one.

　　Secondly, let’s take a look at BYD. BYD is one of the earliest car companies in China to start research and development of lithium iron phosphate power lithium batteries, and the power lithium batteries it develops are doing well with the support of national policies. Previously, BYD not only equipped its own new energy models with lithium iron phosphate batteries, but also supplied batteries to some other new energy companies. It also became the number one in the industry with the huge domestic subsidies and profits of new energy vehicles. However, As the limitations of lithium iron phosphate batteries have gradually become more prominent during the development of the industry, BYD, which has not done much research on ternary lithium-ion batteries, has naturally fallen into disgrace.

　　In terms of research and development of power lithium batteries, who is better, BYD or CATL?

　　Not only have car sales dropped, but the power lithium battery industry has also shrunk significantly. BYD has also begun a self-produced and self-sold model. The power lithium batteries it produces are only used for its own vehicles. This approach has also greatly restricted BYD's development. Compared with the rapid rise of Ningde era, BYD's decline can also bring a lot of thinking to people.

　　Finally, CATL and BYD, as two well-known power lithium battery companies in China, have their own advantages and characteristics. Although CATL has developed rapidly in recent years and occupies nearly 30% of the domestic power lithium battery market share, compared with BYD, it is at a disadvantage in terms of experience and foundation. Moreover, under the influence of national policies, the energy density requirements of power lithium batteries have become more stringent. Both car companies are also facing very severe challenges. How to improve battery energy density and technical level has become the most critical issue. .

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