Regardless of whether you are a car owner or not, it is believed that the problem of charging a pure electric vehicle is difficult. Large-scale establishment of charging facilities may solve the problem of easing the use of the link, but engineers just like to find another way, which does not produce pure electric technology that needs to be refueled. Pure electric? must work hard? Whether this is self-contradictory or whether it has to be read before it is known.
As is known to all, Japan is not rich in all kinds of energy resources as an island country. Traditional fuel vehicles consume a lot of oil resources, and the vehicles that generate exhaust emissions are naturally on the list of optimization and improvement. Therefore, Nissan has introduced a model that is purely electric in the local market, and does not need to take a long time to charge, and the price is very close to the people - Notee-Power. The difference is that this pure electric car needs to add gasoline. Why? Is it a pure electric car?
Gasoline vehicles need to refuel, pure electric vehicles need to be charged. This seems to be common sense that children know. Nissan engineers intend to break the inertia thinking. They named their latest developments e-POWER, a powertrain that combines a gasoline engine with a motor. Many friends may say that there are both engines and motors, so it should be mixed rather than pure electric. To define it, we first need to know how pure electric and hybrid models work.
Pure electric vehicles, as the name suggests, are purely electric-powered vehicles, although their structure is simple enough to use electrical energy storage systems and motors that provide driving power to the wheels. However, the current technical complexity of power battery management, motors and vehicle equipment is far more than imagined, so the cost of pure electric vehicles has been high.
The working mode of the hybrid powertrain is relatively more complicated, and different types of products can be driven by the motor, the engine, or both according to the vehicle working conditions. Due to the involvement of the engine and motor powertrains, the development and adjustment work has a higher demand on the R&D department of the car company.
Nissan's e-POWER technology is between the two. From a structural point of view, it is similar to the series hybrid mode. Under all conditions, the engine is only responsible for generating electricity, and the tasks of driving the wheels are all transferred to the motor. From the results, it really relies on electric energy to drive the vehicle. Therefore, on a certain level, it can also be regarded as a new energy vehicle category.
Since the engine does not directly drive the wheels, it can always operate in the high efficiency range of the design. In the JC08 test (Japan fuel consumption test cycle), the score is 2.67L per 100 kilometers. Although the fuel consumption will increase slightly under actual road conditions, the overall performance It’s not too much to describe with excellence.
â— What are the advantages of this technology?Compared with the internal combustion engine model, the cruising range is a problem that many pure electric vehicles cannot avoid at this stage. In the current development of battery technology, only the battery module can be used to increase the cruising range. However, for e-POWER technology, there is no need for a large battery pack.
Due to its small size, the e-POWER battery pack can be placed under the front seats of the vehicle, eliminating the need for rear and trunk spaces. In addition, since the battery pack, the body, the motor and the gasoline engine are all from the mass-produced models, the manufacturing cost is only about a quarter higher than that of the gasoline version, and the terminal price is superior to the general pure electric vehicle.
â— Technology is not perfectEarlier we mentioned that this powertrain consists of an engine and a motor. Since there is still a traditional internal combustion engine, it will inevitably generate vibration and noise when working, so Nissan engineers have made targeted optimization.
The sound of pure electric vehicles seems to be somewhat contradictory. In fact, this is determined by Nissan’s e-POWER technology structure. The system consists of an engine and a motor. The engine is responsible for providing electrical energy. The motor is responsible for the final drive. This mode can provide a quiet driving experience for the owner of a pure electric vehicle, while eliminating the trouble of charging too long. I don't know if it is a pure electric car in your mind?
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