Recently, Yiwei Lithium was able to communicate with investors and said that the 21700 has advantages in terms of energy density, fast charging performance, wide temperature performance, and cost control. These are the first factors to be considered by new energy car companies. For new projects, Car prices, more willing to choose 21700.

Billion Wei Lithium Energy Billion Wei Lithium Energy

Yiwei Lithium also revealed that at the end of August, the company will begin production of a 1GWh Sanyuan soft laminated motor battery at the Huizhou plant, mainly for the passenger vehicle market.

The following is a detailed exchange of information:

Question 1: How did the 21700 come about?

Reply: The birth of a battery product depends on its terminal application. The 21700 is the most suitable size design for the Tesla Model3. On the battery pack structure of the Model 3, the space utilization of the 21700 battery pack is the highest, 21700 is the reverse. Developed. As Tesla is taking the lead in new energy vehicles, it has promoted the development of the 21700.

Question 2: What are the advantages of the 21700 battery compared to the 18650?

Re: The 21700 battery inherits the reliability and stability of 18650 battery manufacturing, with high consistency, high energy density, low cost control, low internal resistance, fast charging, wide temperature resistance and many other highlights.

Question 3: Demand for 21700 by domestic and foreign depots?

Re: The 21700 has advantages in terms of energy density, fast charging performance, wide temperature performance, and cost control. These are the first considerations for new energy car companies. For car companies in new projects, they will be more willing to choose 21700.

Question 4: What are the technical directions of the company's power battery?

Re: The company is doing product research and development, innovative companies, the company's power battery technology direction are: square lithium iron phosphate, cylindrical ternary (18650 & 21700), soft package laminated ternary, square ternary, square lithium iron phosphate applied to passenger cars Cylindrical ternary applications in logistics vehicles and passenger vehicles, soft package laminated ternary and square ternary applications in passenger cars, each of the technology has its advantages, applied in different areas.

Question 5: What is the progress of the company's energy storage battery?

Re: The company has enhanced the layout of its energy storage battery business. It has built two megawatt-hour smart micro-grid energy storage systems and delivered several small and medium-sized energy storage systems. It has obtained orders for energy management services and realized energy management. Breakthrough in service business "zero", the company's energy storage business has gradually started.

Question 6: What is the progress of the company's Sanyuan soft pack laminated battery?

Re: At the end of August, the company will start production of 1GWh Sanyuan soft pack lamination power battery at the Huizhou plant, mainly for the passenger car market.

Question 7: The company's power battery energy density?

Re: The company's several square lithium iron phosphate battery system energy density reached 115Wh/Kg or more, to meet the 1.2 times requirement of central government subsidy for new energy buses, and the energy density of the Sanyuan 18650 power battery system reached 120Wh/Kg or more to meet the new energy demand. Car use 1.1 times (highest) subsidy requirement.

Question 8: How does the price increase of upstream raw materials affect the company's gross profit margin?

Re: The price of raw materials in the upstream has some fluctuations. The company improves the production process, reduces the cost of product materials, dilutes the fixed costs by increasing the production efficiency and production capacity, reduces the risks brought about by the price fluctuation of raw materials through industrial chain cooperation, and realizes the industrial chain. Win-win situation.

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