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At the early stage of the development of new energy vehicles, the industry generally faces three dilemmas: no charging technology, no charging infrastructure, and no charging standard. In order to solve these development problems, BYD took the lead in realizing the breakthrough of charging technology from 0 to 1, and researched and developed the AC and DC charging technology for home and public sectors at both vehicle and pile ends, which provided a reference model for the national AC and DC charging standard, and became the first batch of drafting units of China's electric vehicle charging standard. BYD's five pioneering technologies have solved the charging problems, giving China's new energy vehicle charging technology a "root".

Charging has always been the most concerned pain point for new energy users, and it is also a key area of BYD's technological innovation and R&D investment, just to let users enjoy the leap in charging experience.

User pain point 1: Early EV experience is poor and charging efficiency is low

BYD's world-first 800V high voltage platform and boost charging technology

At the early stage of the popularization of new energy vehicles, in order to break through the technological upper limit of power, range, charging and other aspects, and create a more extreme EV experience for users, the technological breakthrough of EV high-voltage is imperative. BYD took the lead in realizing the breakthrough in 2015 by creating the world's first 800V high-voltage platform for passenger cars, which is mounted on Qin EV (2015 model), Tang DM (2015 model) and other models. This technology can realize 100km acceleration as fast as 4 seconds, pure electric range up to 450km, fast charging power up to 60kW, and upgrading user experience in all aspects. BYD's 800V high-voltage platform is 2-3 generations ahead of the industry. At that time, all passenger cars on the market were low-voltage, and only BYD was high-voltage. Today, the industry is competing to enter the 800V high-voltage platform track.

Although the high-voltage models significantly increase the EV charging power, at that time, the domestic 95% were all low-voltage piles below 500V, which were incompatible with high-voltage charging, affecting the charging efficiency. To solve this problem, BYD's world-first boost charging technology completely realizes vehicle-pile compatibility and fully adapts to all DC charging piles.

User Pain Point 2: Most Fast Chargers Still Don't Charge Fast Enough

BYD's world-first dual-gun supercharging technology for passenger cars turns public fast-charging piles into supercharging piles in seconds

Currently, there are only 2% public supercharging piles with current over 300A, fast charging piles are widely popularized and supercharging piles are extremely scarce. Instead of letting users compete for a very few supercharging piles, it is better to make full use of the existing public fast charging piles with more than one million units.

To this end, BYD has launched a more in line with China's charging conditions of the ascending program, the world's first dual-gun supercharging technology for passenger cars, so that the public fast-charging piles become super-charging piles in seconds, short-time more complementary energy, and everywhere can be super-charged. Take Tengshi N7 as an example, the maximum power of dual-gun supercharging can reach 230kW, and the public fast-charging piles can realize 15-minute charging for 350km.

It is necessary to be both consistently fast and safe. Because the ascending current technology is a more severe test of battery thermal management, BYD's world's first composite direct cooling technology, through the battery up and down both sides of the straight cold plate design, as well as 2 sets of refrigerant independent control system, compensated runner design, battery cooling area to enhance the 100%, heat transfer capacity to enhance the 85% or more for the user to super-charge the safety escort.

User pain point 3: Charging efficiency is greatly reduced in northern winter

BYD's world's first full-scene intelligent pulse self-heating technology, fast charging even in the extreme cold of the north

Charging efficiency is slow in extremely cold northern winters. BYD pioneered the whole-scene intelligent pulse self-heating technology, which realized the fast charging of cold cars at extremely low temperatures for the first time in the industry.

Under the extreme cold conditions of -30℃, take Tengshi N7 for example, the full-scene intelligent pulse self-heating technology allows the battery heating rate to be increased by 2,30% compared with the traditional program, and the battery full charging time is reduced by 30%, so that the northern users can also enjoy the fast charging experience in winter.

Not only can it self-heat when charging, but it can also intelligently activate the self-heating technology in both parking and driving conditions to safeguard the performance of the entire vehicle at extremely low temperatures.

Construct a charging technology system that is more in line with current national conditions, and continuously upgrade users' charging experience in all scenarios.

With 20 years of technology accumulation and profound foundation, BYD continues to innovate and invest in R&D to build a charging technology system that is more in line with the current national conditions, not only fast, but also constantly upgrading the user's charging experience in all scenarios.

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