Why only Japan has mature hybrid technology of oil and electricity?

Japan's hybrid electric technology is relatively advanced in the world, which is related to the strategic direction of Japanese cars. As we all know, compared with American cars, Japanese cars pursue fuel economy. In order to achieve good fuel economy, they constantly study and explore fuel consumption, so Japanese cars constantly update their internal combustion engines. Japanese cars, led by Mazda and Toyota, continue to optimize the compression ratio of their engines. Skyacti-X engine achieved 50% thermal efficiency by increasing the air-fuel ratio to 36.8: 1, and Toyota and Honda also embarked on a hybrid route.

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Toyota's THS hybrid technology and Honda's I-MMD technology.

In the hybrid market, Toyota can be said to be well deserved? Brother you? As early as 1997, Toyota introduced its hybrid system Prius to the market. After more than 20 years of development, the global sales of Toyota hybrid vehicles have exceeded 5 million. After continuous development, Toyota's THS hybrid system is the second generation, which is very efficient and stable. At present, Camry, Lei Ling and Corolla are all equipped in China. In this hybrid system, the engine drives the driving motor to work, and the generator also does work. When the engine does not need to provide high power, the energy generated by the engine will be stored in the storage battery for recovery, and the energy will be further recovered during braking. These recovered energy can be used as driving force to drive the vehicle at low speed, acceleration or uniform speed, so as to realize the electric energy circulation in the vehicle and reduce the fuel consumption of the vehicle. The fuel consumption of the Camry regular version is 6.0L, and that of the hybrid version is about 4. 1.

Because Toyota is too strong in hybrid, even if Honda faces Toyota, there are too many patents and technologies that can't be bypassed, but how can Honda, the home of technology, compromise? Honda's I-MMD hybrid technology consists of an engine, a generator and a drive motor. At low speed, the vehicle stretches out and is driven by the motor. At medium and high speed, it is directly driven by the engine and has only one first-class reducer. This system requires high motor power and high engine speed at high speed. At present, Accord and CR-V are equipped with this technology.

The mature hybrid technology of Japanese car companies is related to their strategic direction and environment. For a period of time, they constantly pursued fuel economy, encountered bottlenecks in traditional internal combustion engines, and turned to hybrid routes.