The marketization process of electric vehicles far exceeds industry expectations. According to data from the China Association of Automobile Manufacturers, the sales of new energy vehicles in China reached 515000 units in Q1 2021, a year-on-year increase of 2.8 times. Based on this calculation, it is highly likely that the annual sales of new energy vehicles will exceed 2 million units.
At the same time as sales, there is also the “multi-point flowering” of products. From A00 level to D level, from EV, PHEV to HEV, the electrification of automobiles is evolving towards a diversified product direction.
The rapid progress of the market and the proliferation of products pose increasingly stringent challenges to the three electric systems centered on power batteries. Whether they can keep up with market demand and continuously launch advanced technologies and products that meet the needs of the market and users in multiple scenarios is a test of the innovation power of battery companies.
At the 19th Shanghai International Auto Industry Exhibition (2021 Shanghai Auto Show), which opened on April 19th, Honeycomb Energy made its debut with its full range of battery products. Based on the current development needs of electric vehicles, it launched the Honeycomb Fast Charging Battery Technology for the first time, continuously leading the development of the lithium battery industry with innovative technology products.
Charging for 10 minutes and driving distance of 400 kilometers. Hive Energy Bee Speed Fast Charging Technology Debuts for the First Time
Since 2020, the range of the main electric vehicle models at home and abroad has generally exceeded 600 kilometers, and consumer anxiety about range has gradually been resolved. However, with this comes the consideration of charging convenience on the demand side. Whether it can achieve fast charging like traditional car refueling has become a new “pain point” of concern for users.
The fast charging technology of batteries is currently a key breakthrough in solving the convenience of charging, and it is also the main battlefield for car and power battery companies to compete.
At this auto show, Honeycomb Energy released its new fast charging technology and corresponding battery cells for the first time, which can charge for 10 minutes and travel 400 kilometers. The first generation of bee speed fast charging cells is a 158Ah battery cell with an energy density of 250Wh/kg. The 2.2C fast charging can achieve 20-80% SOC time in 16 minutes and can be mass-produced before the end of the year; The second-generation 4C fast charging core has a capacity of 165Ah and an energy density greater than 260Wh/kg. It can achieve 20-80% SOC fast charging time of 10 minutes and is expected to be mass-produced in Q2 2023.
Behind the 4C fast charging products is a series of innovative research and development by Honeycomb Energy based on key materials of lithium batteries. According to on-site technical personnel, the company’s innovative technology in fast charging technology mainly includes several aspects.
Three major technologies have been applied in the field of positive electrode materials: 1. Precise control technology for precursor directional growth: by controlling precursor synthesis parameters, a radial growth of particle size is achieved, creating an ion migration “highway” to improve ion conduction and reduce impedance by more than 10%; 2. Multi gradient stereo doping technology: The synergistic effect of bulk doping and surface doping with multiple elements stabilizes the lattice structure of high nickel materials, while reducing interface oxidation, increasing cycling by 20%, and reducing gas production by more than 30%; 3. Flexible coating technology: Based on big data analysis and simulation calculations, select flexible coating materials that are suitable for high nickel materials with large volume changes, and suppress cyclic particle pulverization
Post time: Jan-12-2024