EV is the abbreviation of Electric Vehicle, referring to pure electric vehicles that rely entirely on on-board batteries to power electric motors. Their core components include high-energy-density lithium-ion batteries, high-efficiency drive motors, and intelligent electronic control systems. Compared with traditional fuel vehicles, EVs have advantages such as zero exhaust emissions, energy conversion efficiency exceeding 80%, low operating noise, lower maintenance costs, and no need to replace consumable parts like engine oil. Currently, the driving range of mainstream EVs generally exceeds 400 kilometers, and with the development of fast charging technology, the problem of range anxiety is being gradually addressed. It should be noted that there is an essential difference between EVs and plug-in hybrid electric vehicles (PHEVs) or range-extended electric vehicles (REEVs), as the latter still rely on fuel engines as auxiliary power sources. With technological innovations such as solid-state batteries and 800V high-voltage platforms, EVs have become a key direction for the automotive industry's transition to sustainable mobility. Their environmental protection characteristics and energy diversification advantages are of great significance for reducing carbon emissions.
