Advantages of Powerwall Lithium ion battery
Time of issue:2023-03-13 10:34
Main advantages of Powerwall Lithium ion battery:
Li-ion battery has high voltage and high energy density;
Long cycle life, generally can be cycled 500 times, even more than 1000 times;
The self-discharge is small, and the self-discharge rate of a fully charged Li-ion at room temperature after storage for one month is about 10%;
It can be charged quickly, and the capacity can reach 80% of the nominal capacity when charged at 1C;
The working temperature range is wide, generally -25~45°C, and it is expected to break through -40-70°C in the future;
There is no memory effect like Ni-Cd and Ni-Mh, and it is better to use up the remaining power before charging;
Compared with Ni-Cd and Ni-Mh, it is environmentally friendly and pollution-free (does not contain heavy metals such as cadmium and mercury);
Lithium-ion battery is a secondary battery (rechargeable battery) that mainly relies on lithium ions to move between positive and negative electrodes to work. During the charging and discharging process, Li+ intercalates and deintercalates back and forth between the two electrodes. When charging, Li+ is deintercalated from the positive electrode and embedded in the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge.
The voltage range of Powerwall Lithium ion battery is 2.8V~4.2V, and the typical voltage is 3.7V. If it is lower than 2.8V or higher than 4.2V, the battery may be damaged.
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