In the past, 2016 was the iconic year for the global pure electric drive transformation. China's new energy vehicles entered the growth stage from the product introduction period, and the national pure electric drive vehicle market development has made a breakthrough. In 2016, China achieved a production of 517,000 new energy vehicles and sold 507,000 vehicles, an increase of 51.7% and 53.0% over the same period of the previous year. Objectively speaking, it has become the world's largest producer and seller of new energy vehicles.
With the implementation of the "Thirteenth Five-Year Plan" policy, it is foreseeable that the strategic goal of China's new energy vehicle key special projects is to be electrified, lightweight, and intelligent, and it is urgent to upgrade the technology to make the new energy automobile industry more competitive. The power battery has always been in the strategic position of the development of new energy vehicles, which is a top priority.
Especially in the current situation of rapid growth in the production and sales market, problems such as insufficient high-end capacity of power batteries, low-end surplus, and products that do not meet market demand are further aggravated. So what kind of battery really adapts to the market?
Power battery group dominates Yinlong to show "titanium strength"
At present, lithium ion batteries widely used in the field of new energy mainly include ternary lithium batteries, lithium iron phosphate batteries and lithium titanate batteries.
The advanced development of the ternary lithium battery industry is Korea, Japan and China. Due to the high capacity density of the ternary lithium battery and the relatively long cruising range, it has achieved remarkable results in the field of passenger vehicles. However, it has shortcomings in terms of safety, high temperature resistance and longevity. In 2016, the Ministry of Industry and Information Technology once suspended the ternary lithium battery bus to be included in the list of recommended models for the promotion of new energy vehicles, although the ternary lithium battery bus was officially lifted in 2017. Use, but to meet the "safe technical conditions of electric buses."
At present, the countries with relatively mature mass production technologies in the field of lithium iron phosphate mainly include the United States, Canada and China. Compared with ternary lithium batteries, lithium iron phosphate batteries are widely used in pure electric buses because of their stable safety performance, high temperature performance and light weight. However, it has shortcomings in low temperature performance, tap density of positive electrode materials, etc., and has no advantage in terms of work efficiency.
There is also a battery that is currently the focus of the market - lithium titanate battery. Lithium titanate battery is the longest and safest battery in lithium battery, and can achieve fast charging and discharging in 6 minutes, and wide temperature range from -50 °C to 60 °C. On the life cycle, ordinary lithium-ion batteries are about 1000-2000 cycles, and lithium titanate is 30,000 cycles, which is 15 times that of the former. However, the battery of this material has a natural drawback: the low energy density limits its cruising range. It is reported that there are only two companies in the world that have lithium titanate materials and have achieved power and industrial applications. Toshiba in Japan and Yinlong New Energy in China. It is worth mentioning that Yinlong New Energy has mastered the internationally advanced “Nano-titanium titanate power battery technology†through the holding of American Ao-Nano Nanotechnology Co., Ltd., and through the technology research and development, the fourth generation of high-energy density lithium titanate is currently launched. Battery - Silver Long Titanium, compared with the third generation, the cost is reduced by 40% and the energy density is increased by 60%. This achievement has been highly recognized in the market, opening a new page of power batteries.
Based on the long-term, the market is the best touchstone for technology.
In addition to advanced technology, lithium titanate batteries also have a cost advantage. The cycle life of Yinlong Titanium has been increased to more than 30,000 times, and the recycling period is more than 30 years. According to the cost of the single battery, the lithium titanate battery is 1.5-2 times that of the conventional battery. From the perspective of the service cost, the cost per use of the lithium titanate battery is only 15%-50% of that of the conventional battery. It can be seen that the promotion and use of lithium titanate batteries can significantly reduce the cost of lithium ion power battery modules. Yinlong titanium battery can be used to manufacture large-scale energy storage and power lithium battery. The life expectancy provides the function of recycling lithium titanate battery. After the lithium titanate battery reaches the service life, it can continue to be used in energy storage.
In addition to the above-mentioned ternary lithium, lithium iron phosphate, lithium titanate, the future energy storage technology will further diversify, such as the upcoming fuel cell , will provide users with more choices. In the practical application of lithium ion power batteries, safety, cycle life, energy density, wide temperature, power density, charge and discharge speed are all important factors affecting large-scale commercialization. The battery is widely used in applications, each battery has its corresponding market, and the market will be the best touchstone for technology.
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