Power lithium battery mode - Lithium - Ion Battery Equipment

Change of power lithium battery pattern PK fast charging -Lithium - Ion Battery Equipment

As the saying goes, all martial arts in the world are fast but not broken. In today's efficient society where "time is money", "fast" is the king's way. For a long time, the slow charging speed has been a constraint to the development of new energy vehicles. In order to solve this problem, new energy vehicles have innovated two rapid power supply modes in the electric energy supply scheme: fast charging and power exchange.

As the saying goes, literature is not the first, and martial arts is not the second. Focusing on the topic of which of the two modes of fast charging and power exchange has more development prospects, the industry has different opinions, and the two camps of fast charging and power exchange are also very active at all times.

Initial confrontation, encounter in power change mode

As the power supplement mode of new energy vehicles, charging and changing power are two different technical routes, and fast charging is one of the charging modes. According to Einstein's theory of relativity, fast and slow are relative rather than absolute. Fast charging and slow charging are also relative concepts. Generally, fast charging refers to high-power DC charging, which can fully charge 80% of the battery capacity within half an hour. Slow charging refers to AC charging, which takes 6-8 hours. At present, the domestic Weihong Power, Zhuhai Yinlong and Miaosheng Power are the main representatives of the fast charging technology route, which can realize the fast charging for more than ten minutes.(Lithium - Ion Battery Equipment)

It has long been debated in the industry whether new energy vehicles should adopt charging mode or switching mode. However, the charging mode of fast charging has gained the upper hand, while the power change mode has encountered in the previous head-on confrontation.

BetterPlace, an Israeli company, was the first to introduce the power replacement mode, and finally declared bankruptcy due to the high investment cost and slow development. In addition, Tesla also vigorously promoted the power replacement mode, but ended up with expensive prices and poor service experience. However, the power exchange mode once implemented by the State Grid of China was also defeated.

At present, charging mode is not only the mainstream mode adopted by most domestic new energy vehicle enterprises, but also the cognition of most new energy vehicle owners on charging mode. The reason why new energy vehicle enterprises adhere to the "charging mode" is very clear: they can independently control the core technologies such as batteries, so as to take the initiative in the development of new energy vehicles, and also control the profits brought by battery technology. From the perspective of consumer use, the charging mode can avoid repeated disassembly and assembly of the battery, and if conditions permit, it can be charged at home, which is convenient and convenient.

Play again, and the outcome is hard to decide

Although the charging mode occupies the mainstream of the current power supplement mode of new energy vehicles, the power change mode still has a large number of pumps. Although the pioneers of power change in the past have met, a number of car enterprises, such as BAIC New Energy, Lifan, Chehejia, and Weilai Automobile, have resolutely embarked on the road of power change, and the power change mode has the potential to make a comeback.

In fact, the advantages of the power change mode are also very obvious. The power exchange mode can realize the separation of vehicle and electricity value, and can resolve a series of pain points of pure electric vehicle users in the whole life cycle of purchase, use and exit at the consumption level. Moreover, the efficiency of the power exchange mode is very high. After the vehicle enters the power exchange station, the power exchange can be completed in about 3 minutes, and the speed is no less than refueling the fuel vehicle.

At the same time, the centralized and professional charging and discharging control is conducive to extending the service life of the battery, and the car owners no longer need to worry about the battery life and quality; It can also minimize the potential accidents caused by personal charging and greatly improve the safety. In addition, the power change mode can also be used for large-scale concentrated off peak charging at the late midnight, saving energy resources and reducing charging costs.

Wang Binggang, the leader of the supervision and consulting expert group of the National 863 Energy Saving and New Energy Vehicle Major Project, once said: "The power change mode has the advantage of more efficient operation in some specific use environments, such as the electric taxi field. Compared with the current mainstream charging mode, the power change mode has the advantages of smaller footprint, higher efficiency, and significantly lower cost."



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