602248 polymer battery.How does Yasong New Energy break through the bottleneck of traditional charging technology?

　　The R&D team of Xi'an Yasong New Energy Technology Co., Ltd. spent 5 years starting from theory to develop a new set of fast charging technology. At the end of 2016, it completed simulation, principle prototype, engineering prototype, test experiment, patent application and All preliminary work, including finalizing the first-generation technology, has now officially begun product prototype research and development, and its products will be officially launched on the market this year.

　　This technology is a set of fast charging technology developed based on the physical and chemical principles of lithium batteries and lead-acid batteries. It has a good technical foundation and industry-leading advancement. Its core involves modern measurement, information processing, microcomputer process control, supercapacitor energy storage and other front-end application technologies. The features of this set of technologies/products are as follows:

　　Rapidity

　　Rapidity is the first characteristic of this technology. The first-generation technology that has been finalized has achieved a charging rate of 2C for lithium batteries and 1C for lead-acid batteries, which means that lithium batteries can be fully charged in half an hour and lead-acid batteries can be fully charged in one hour. At the same time, this technology theory can achieve a charging rate of 32C, that is, the charging time is less than 2 minutes.

　　Low temperature lithium iron phosphate battery 3.2V 20A -20℃ charging, -40℃ 3C discharge capacity ≥70%

　　Charging temperature: -20~45℃ -Discharge temperature: -40~+55℃ -40℃ Support maximum discharge rate: 3C -40℃ 3C discharge capacity retention rate ≥70%

　　In the project, 5 types of commercially available fast-charging mobile phone chargers and second-generation engineering prototypes were used to charge the same battery for 10 minutes and discharge it through the same discharge measurement platform. The discharge amounts were compared and the fast-charging performance of various products and prototypes was quantitatively evaluated. Available units Time (10min) charging amount and charging rate to evaluate fast charging performance.

　　safety

　　The battery does not over-voltage, over-current or over-temperature during the charging process, and does not over-load (≥2C) during the discharging process. These are the basic elements to ensure the safety and life of the battery. This system ensures that the battery does not over-heat during the entire charging process from the hardware design, software algorithm and control strategy. The voltage and high current do not exceed the limit, and the battery temperature rises slightly at room temperature. It is a fast and safe charging process, and there is no battery safety hazard.

　　compatibility

　　Since the research basis of this technology is the physical and chemical principles of lithium batteries and lead-acid batteries, it has compatible applications for lithium batteries and lead-acid batteries. That is, both lithium batteries and lead-acid batteries can be quickly charged using this technology, and batteries with the same properties and different capacities can also be used compatiblely. In this way, this technology can effectively charge more than 95% of power batteries, more than 80% of industrial energy storage equipment, and 100% of electronic products, and has a wide range of market applications.

　　Low temperature and high energy density 18650 3350mAh-40℃ 0.5C discharge capacity ≥60%

　　Charging temperature: 0~45℃ Discharge temperature: -40~+55℃ Specific energy: 240Wh/kg -40℃ Discharge capacity retention rate: 0.5C Discharge capacity ≥ 60%

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　　Adaptability

　　This performance refers to the intelligent identification and fast, efficient, and safe charging capabilities of batteries of different capacities, different qualities, inefficiencies, and even scrapped batteries. It is also a reflection of the functions, uses, reliability, and adaptability of charging equipment. Traditional charging technology cannot charge inefficient or even scrapped lithium batteries. The battery will be over-voltage (exceeding the 4.3V threshold) within 1 minute. That is, various current charging equipment cannot achieve adaptive charging. However, lithium batteries in an inefficient and scrapped state still have more than 85% of their capacity available, thus causing a certain degree of waste of resources. This technology and products can quickly recharge or fully charge the battery in an inefficient battery state, indirectly extending the battery life by about 3-5 times. On the one hand, it saves resources, and on the other hand, it also reduces the cost of battery application projects. Effectiveness plays an important role.

　　In short, Asun New Energy's adaptive fast charging technology breaks through the bottleneck of traditional charging technology, and also breaks the performance matching relationship between traditional batteries and charging equipment, bringing fast charging technology to a new level. In the current new energy fields such as electric vehicles, industrial energy storage, drones, and photovoltaics, there is a huge market demand for fast charging of product systems, safe charging, extending battery life and reducing application costs. Yasong New Energy will bring The new generation of fast charging technology assists the development of my country's new energy industry, bringing the industry level into a new era and contributing to national development.

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