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phoenix auto news: on september 13, catl's b series product - catl (b) - bus version battery made its debut, extending the life cycle of new energy buses to 15 years and 1.5 million kilometers, while achieving the highest energy density of 175wh/kg for power batteries in the bus industry.

gao huan, cto of catl’s domestic commercial vehicle division

high operating intensity, long service life and complex working conditions are the characteristics of the operating environment of new energy buses. therefore, new energy buses have very high requirements for the life, endurance, safety, reliability and scene adaptability of power batteries. catl tianxing (b)-bus version has an ultra-long life of 15 years and 1.5 million kilometers and the highest energy density in the bus industry of 175wh/kg, which perfectly meets the application scenario requirements of new energy buses, allowing new energy buses to be driven without fear of long mileage and high maintenance costs, and truly achieve safe driving.

behind the industry's ceiling-level parameters is the multi-level and multi-dimensional innovative technical design of catl tianxing (b) - bus version battery. catl tianxing (b) - bus version battery improves the stacking density on a macro level, maximizes the use of space, and improves the lithium ion activation rate and energy conduction efficiency on a micro level, solving the dual problems of long life and long endurance of bus power batteries; the exclusive additive molecular design of high energy density and low lithium consumption graphite and high stable interface electrolyte and precise film forming technology complement each other, effectively improving the life of the battery cell; the u-shaped sealing solution, zero draft angle cover design, and innovative application of integrated thermal management box achieve super structural strength while increasing the volume energy density by 22% compared with the previous generation, which can be called a master of energy compression.

in recent years, bus flooding incidents caused by heavy rain have occurred frequently, and the waterproof ability of new energy buses has become a focus of social attention. the protection performance of catl tianxing (b)-bus version battery has reached ip69 level and can withstand the test of immersion in water for up to 72 hours. in extreme environments such as heavy rain and urban waterlogging, it can eliminate the safety hazards of battery water ingress to the greatest extent, providing safety protection for drivers and passengers.

catl's tianxing (b)-bus version battery also has a more innovative design in the battery management system, introducing a 24-hour intelligent safety monitoring system. by integrating advanced sensors, big data analysis and artificial intelligence algorithms, it can continuously monitor the health of the battery and early-warn and troubleshoot potential risks. whether the vehicle is running or not, catl's safety protection is always online.

at present, catl's tianxing (b)-bus version battery has cooperated with 13 customers and will be developed on 80 models.

the electrification process in the bus field has always been at the forefront of the entire industry. it is estimated that by 2025, nearly half of the world's urban buses will be electrified, and early new energy buses will also usher in a peak of upgrading. as a world-leading new energy technology company, catl is accelerating this process through its innovative battery technology and solutions. as early as 2013, catl began to focus on the research and development and production of power batteries in the bus field. to date, there are more than 385,000 buses equipped with catl batteries in the world. catl continues to provide solid power support for new energy buses with its excellent performance and reliability.

wang hui, executive president of catl bus business unit

this time, catl's b series bus version battery is a solution tailored for new energy buses. it fully supports the upgrade of new energy buses with high-quality products and ensures the long-term operation and safety of new energy buses. catl will continue to meet market demand with excellent product performance and promote the new energy of public transportation into a higher quality development stage.