Analysis of CR2016 battery industry technology and future development trends

Whether used in automobiles or energy storage, power batteries are the focus of attention. However, power batteries are mainly used in automobiles. This article will introduce the development trend of the power CR2016 battery industry from three aspects.

First, the development background of power batteries

At present, from an international perspective, hybrid vehicles have been industrialized, plug-in pure electric vehicles are in the promotion stage, and fuel cell vehicles are in the demonstration stage. However, by 2020, plug-in and pure electric vehicles will develop rapidly, and by 2030, fuel cell vehicles will have a substantial increase.

China's new energy vehicles have formed a relatively complete R&D and industrial system, and have also developed a series of products, which have been sold on a large scale in the market. From a global perspective, China's new energy vehicle sales account for more than 50% of the entire market. China has made good plans for the future development trend of new energy vehicles. In the "Medium- and Long-Term Development Plan for the Automobile Industry" released in 2017, it is mentioned that by 2020, the production and sales of new energy vehicles in my country will reach 2 million vehicles, and by 2025, the production and sales of new energy vehicles will account for more than 20% of the total automobile production and sales.

In addition, the total number of energy-saving and new energy vehicles will reach 5 million by 2020. Judging from the current development trend, it will not be a big problem to achieve these goals. It is in this context that the research directions and contents of the key parts of new energy vehicles, namely power batteries, have been well planned at home and abroad. For example, some major developed countries in the world, especially automobile powers such as Japan, the United States, Germany, and South Korea, have made relatively detailed research and development and research plans for power batteries of new energy vehicles, involving materials, CR2016 battery system integration, standard system, new system batteries and next-generation batteries. They have made some relevant research and development layouts.

Second, the current status and trends of power CR2016 battery technology development

At present, everyone has high requirements for batteries, hoping to achieve the level of competition with fuel vehicles. For example, CR2016 battery energy density, power density, safety, cycle life, fast charging, temperature range of use and cost can all meet everyone's expected goals. However, it is difficult to fully achieve such a goal. Only through everyone's efforts can the corresponding requirements be partially achieved.

Lithium-ion CR2016 battery technology is a hot spot for everyone's research and development. Whether it is from materials or CR2016 battery system integration, safety is still a very important aspect. However, the energy density, power density, life span and cost control of lithium-ion batteries have been greatly improved. They have become an upgraded product for lead-acid batteries and can replace lead-acid batteries. Previously, with the support of the country's three five-year plans, the technology of power batteries has been rapidly improved.

In fact, the technical improvement of power batteries is closely related to the country's overall strategic orientation. The country takes pure electric drive as the main orientation. From this perspective, lithium-ion batteries should be developed in the direction of high-quality energy, and the entire CR2016 battery material system should also slowly make some changes. At present, the country has made some arrangements in solid-state batteries, and some universities and scientific research institutions have done a lot of research work and made relatively great progress.

Driven by the national subsidy policy, the industrialization of power batteries in my country has progressed rapidly. The subsidy is mainly based on the energy density of the CR2016 battery. The energy density of lithium iron phosphate has now reached 150 watt-hours per kilogram. If this indicator is achieved, a 1.2% subsidy amount can be obtained. The density of lithium iron phosphate has been increased through subsidies. In 2018, the energy density of lithium iron phosphate will reach 160 watt-hours per kilogram or even 170 watt-hours per kilogram, and it will reach 180 watt-hours per kilogram in 2019.

The energy density of ternary materials is roughly 120-250 watt-hours per kilogram. 120 watt-hours per kilogram can be used in fast-charging buses; in the field of passenger cars, it is necessary to add or subtract 20 on the basis of 230 watt-hours per kilogram. By improving the energy density, especially under the promotion of subsidies, the entire CR2016 battery technology will be promoted, which will indirectly promote the progress of vehicle technology.

Third, the current situation and trend of the power CR2016 battery industry

At present, power batteries are mainly concentrated in East Asia. From a global perspective, Japan's technology is relatively advanced, and China's CR2016 battery technology has also made great progress. I believe that in the next three to five years, China's CR2016 battery technology will be the world's number one.

According to statistics, the number of companies producing power batteries in my country has exceeded more than 200, making it the country with the largest number of power batteries in the world. From the perspective of industrial investment, investment in power batteries is also very hot.

At present, the hardware investment per unit watt-hour is showing a rapid downward trend. In my country, it is about 30 to 40 cents per watt-hour. If the overall production capacity is further improved, there will be a relatively large decline. In terms of the overall hardware investment, it is possible to achieve about 10 cents per watt-hour. However, the overall investment in China is still mainly high-investment. Now everyone is mainly investing 3 billion or 5 billion. From the perspective of the power CR2016 battery industry chain, China has formed the most complete industry chain in the world, mainly concentrated in the Yangtze River Delta, Pearl River Delta and Central Plains. For example, there are many companies in Taizhou that are engaged in the industrialization of power batteries, which will form a relatively small regional advantage.

Finally, the application of power batteries is mainly concentrated in four major fields

The first is A-class cars, that is, pure electric micro cars; the second is plug-in B-class cars; the third is pure electric commercial vehicles. If it is in the field of buses, it is best to focus on fast charging; the fourth is 40V hybrid, micro-hybrid or weak hybrid vehicles.

For power batteries, the four major application areas are the most important. The low-speed electric vehicles we usually see are a very large application area for power batteries. my country has already done so at a scale of one million vehicles per year. In addition, we should pay attention to two aspects of the problem, one is the technical aspect, and the other is the industrial level. At the technical level, safety should be the main focus, and a balance should be sought between energy density, power density, safe cycle and cost. We should use automated equipment to improve the consistency of CR2016 battery production, and improve the level of CR2016 battery development and industrialization by improving the design of the CR2016 battery system.

From the perspective of the country, at the industrial level, it is necessary to be able to standardize the development of the CR2016 battery industry to improve the high-quality production capacity of power batteries and to achieve coordinated development from the perspective of the industrial chain. For enterprises, it is necessary to consider both the situation with and without subsidies, so as to make early plans and countermeasures for the technical route and industrial route of the CR2016 battery.

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