What are the types of energy storage batteries?

　　As the name implies, energy storage batteries are used to store electric energy, and their storage capacity is much larger than other types of batteries. They are generally used for emergency purposes in public places such as shopping malls and airports.

　　Fuel cell, with high energy density and power density, can be charged and discharged with large current, and the fuel can be carried conveniently. The disadvantage is that the air pollution is relatively serious, the service life is short, and the use of energy storage batteries has begun to be phased out.

　　The lead-acid battery is made of easily available raw materials at relatively low prices, with excellent temperature performance and easy recovery of waste batteries. The defect is that the energy density is low and it is easy to pollute the environment during the manufacturing process.

　　NiMH battery, high energy density, good low-temperature performance, environmental protection and pollution-free. The defect is that it is not resistant to high temperature, the working voltage is relatively low, and the price is relatively expensive.

　　Lithium ion battery, with high energy density, high voltage fluctuation, long cycle life, environmental protection and no pollution, is the best choice for energy storage battery at present.

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