1. High specific energy and energy density, about twice that of Ni-MH batteries, which can greatly improve the endurance of electric vehicles · higher power, low self-discharge, and no memory effect. These features can improve the convenience of electric vehicles. sex;
2. The cost of raw materials is low;
3. There is a large room for technological improvement and a large room for cost reduction.
Rechargeable lithium-ion batteries are widely used in many new mobile devices due to their small size (relatively), lighter weight, low self-discharge rate, and no memory effect compared to general nickel-cadmium/nickel-metal hydride batteries. The batteries of mobile devices such as mobile phones, notebook computers, and PDAs that we usually use have been gradually replaced by lithium-ion batteries.
The memory effect of Ni-MH batteries is not very clear, one thing. When you need to use it urgently, you don't have to charge it after lighting up. It is best to charge it fully after lighting up for normal use.
Lithium-ion batteries have high energy and small batteries; the voltage of a single lithium-ion battery is three times that of a nickel-hydrogen battery; there is no memory effect, and it can be charged as needed. But it can't be charged at one time, so too many charge and discharge times will affect the life of the battery. Lithium-ion batteries are not suitable for long-term storage, as they will lose part of their capacity permanently. It is best to store it in the freezer of the refrigerator after charging 40%.
6. Charging method
The charging requirements of lithium-ion batteries are different from nickel-cadmium/nickel-metal hydride batteries. The single voltage of rechargeable lithium-ion batteries is 3.6V (some battery blocks may be nominally lithium-saving batteries). Lithium-ion batteries generally use voltage-limiting and current-limiting methods. If a friend wants to charge lithium-ion batteries independently, please note that its charging method is different from the constant-current charging method used by nickel-cadmium/nickel-metal hydride batteries and cannot be used. Charger for general nickel-cadmium/nickel-metal hydride batteries.
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