BYD gives a glimpse of the Blade Battery Factory in Chongqing

On June 4, 2020, over a hundred members of the media and industry experts were given on-site access to the FinDreams Battery Factory in Chongqing, China. This is the first factory tour that BYD has conducted since it debuted the Blade Battery on March 29.

The factory is currently the only production base for the Blade Battery. It possesses much of BYD’s self-developed Blade Battery production equipment and has a total investment of 10 billion yuan (approximately 2 billion dollars) with an annual production capacity of 20 GWh.

The nearly one-meter-long pole piece can achieve tolerances of within ±0.3mm, and the accuracy and speed of a single-piece lamination have the efficiency of 0.3s/pcs. This is the first of its kind in the world. This form of lamination comes from BYD’s independent development of its equipment and cutting-edge solutions.

In addition to laminations, the mixing of ingredients as well as the coating, pressing, testing, and other processes in the production of Blade Batteries have reached world-class standards, says BYD in a press release. Every production workshop, process, line, as well as the flow of information and intelligent control level follow exceptionally high standards. The Blade Battery holds notable advantages in its high safety, long range, and enduring longevity.

BYD Han EV.

The Blade Battery has notably passed the “nail penetration test,” one of the most stringent safety tests in the industry. Due to its optimized battery pack structure, the volume utilization of the Blade Battery is also more than 50% greater compared to past products, with its cruising range reaching the same level as ternary lithium batteries.

In addition to solving the issue of endurance, the Blade Battery can be charged from 10% to 80% of its full capacity within 33 minutes, supporting the BYD Han EV’s acceleration of zero to 100 km/h in 3.9 seconds. Furthermore, its accumulated mileage can reach 1.2 million km after 3,000 cycles of charge and discharge. In short, the Blade Battery outpaces ternary lithium batteries and traditional lithium iron phosphate batteries among the metrics of longevity, power, and strength.

The Han EV sedan is BYD’s flagship model slated for launch this June. It is the first electric vehicle equipped with the Blade Battery, possessing a cruising range of 605 km with a single charge.

Photos: BYD

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