From the perspective of the global development of
Used Electric Car, its power sources mainly include lithium-ion batteries, nickel-metal hydride batteries, fuel cells, lead-acid batteries, and capacitors, among which capacitors are mostly in the form of auxiliary power sources. The main reason is that these battery technologies are not fully mature or have obvious defects. Compared with traditional Used
Electric Car, there are many gaps in cost, power and cruising range. This is also an important reason for restricting the development of Used Electric Car.
Lead-acid battery: Lead-acid battery has a history of more than 100 years, and is widely used as a starting power source for Used Electric Car with internal combustion engines. It is also a mature Used Electric Car battery, which has good reliability, easy-to-obtain raw materials, and low price; its specific power can basically meet the power requirements of Used Electric Car. But it has two major disadvantages; one is that the specific energy is low, and the mass and volume occupied are too large, so the mileage of a single charge is short; the other is that the service life is short and the cost of use is too high.
Ni-MH batteries: Ni-MH batteries are alkaline batteries. Ni-MH batteries have a long cycle life and high energy density, but they are expensive and have memory effects. The foreign companies that produce Ni-MH batteries for Used Electric Car are mainly a joint venture between Ovonie, Toyota and Panasonic. Ovonie currently has two unit batteries of 80A·h and 130A·h, with a specific energy of 75-80W·h/kg and a cycle life of more than 600 times. This kind of battery is used in several Used Electric Car, one of which can travel 345 kilometers on a single charge, and one vehicle has traveled more than 80,000 kilometers in a year.
Battery price trend: In terms of price trends, the price of fast-charging lithium-ion power batteries for Used Electric Car is around $1600/kwh, and the price of ordinary lithium-ion power batteries is around $500/kwh. According to the price trend of gasoline and electricity in the United States, Changan Electric In the entire use cycle of the car, the use cost of
Used Car with fast-charge lithium-ion power batteries with 100km endurance is 25% higher than that of Used Car with gasoline internal combustion engines with proper performance. Once the price of power batteries for Used Car drops to $200-300/kwh, the operating cost of Used Electric Car will be comparable to that of traditional Used Car.
