What's the difference between lithium batteries and black gold batteries for electric vehicles?

Generally refers to the difference between electric vehicle batteries. The difference between lithium batteries and black gold batteries for electric vehicles is as follows: 1. Safety comparison: Different materials of power lithium batteries (lithium manganate and lithium ferrous phosphate) have different safety. The technology of black gold battery is quite mature, and its safety is higher than that of lithium battery. 2. Environmental protection comparison: lithium batteries are not polluted (most of them are, but some manufacturers are poor), and black gold batteries are polluted by heavy metal lead. So electric vehicles using lead-acid batteries will still pollute the environment. 3. Energy comparison: The mass ratio, volume ratio and energy ratio of lithium batteries are about 40% higher than those of black gold batteries. 4. Comparison of self-discharge rate: the monthly self-discharge rate of lithium battery is less than 3%, while that of black gold battery is 15~30%, which is quite different. 5. Comparison of service life: At present, the general lithium ferrous phosphate has no memory effect after being charged for 65,438+0,500 times. After charging 1500 times, the storage capacity is about 85%, while the black gold battery is about 500 times, the storage capacity will be greatly reduced and the memory effect will be obvious. Therefore, the battery life of electric vehicles using lithium batteries will be longer. 6. Comparison of voltage platforms: The voltage platforms of lithium batteries are all greater than 3V, while those of black gold batteries are 2V. 7. Comparison of discharge characteristics: Simply put, a battery with the same capacity will discharge about 30% more electricity than a black gold battery under the condition of large current discharge.