How to distinguish between energy storage lithium batteries and power lithium batteries? Professional answers from engineers

　　How to distinguish between energy storage lithium batteries and power lithium batteries? Professional answers from engineers

　　What is the difference between energy storage lithium batteries and power lithium batteries? How to choose these two lithium-ion batteries based on practical applications? This article will provide a detailed comparison and explanation of the definitions, scope of use, management systems, and types of battery cells between the two, in order to help everyone better distinguish, choose, and use them.

　　1) Definition of Energy Storage Lithium Battery and Power Lithium Battery

　　Energy storage lithium battery: It is a power source that uses lithium batteries as energy storage. It is a secondary lithium battery that uses carbon materials as the negative electrode, lithium containing compounds as the positive electrode, and non-aqueous electrolyte solutions. Common examples include lithium iron phosphate batteries.

　　Power lithium battery: Power lithium battery refers to a battery that provides power for transportation vehicles. Generally, compared to small batteries that provide energy for portable electronic devices, it is mainly used as a storage battery to provide power for electric vehicles, electric trains, electric bicycles, and golf carts.

　　2) The difference between the two

　　The definitions of power batteries and energy storage batteries are quite broad, and in terms of application, which category do you refer to. Energy storage batteries generally have a low current and belong to the energy type. Power batteries generally need to be able to discharge at 3C. The discharge capacity, discharge curve, and platform can be compared through 3C discharge or 1.5C discharge. The price estimate is that for the same specifications, the former is 1.2 times higher than the latter.

　　The internal resistance of the battery is different

　　The internal resistance of power batteries with the same capacity is smaller than that of energy storage batteries

　　The total amount of batteries varies

　　The weight of power batteries with the same capacity will be heavier than that of energy storage batteries (different design processes)

　　Different prices

　　The price of power batteries will be more than 1.5 times higher than that of energy storage (determined according to different customer requirements)

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