Forward Auto technical exchange and sharing series: Battery–Lithium battery(1)

BatteryLithium battery(1)

1.Battery Type
The battery is the main source of power for electric vehicles, and the quality of the battery will directly affect the mileage of the electric vehicle and the life of the battery. Common electric vehicle batteries on the market today include lead-acid batteries and lithium batteries. There are various battery brands and high optionality. It is recommended to choose a brand battery for better reliability and stability.

(2) Lithium battery

1. Lithium iron phosphate battery

Lithium iron phosphate battery: refers to a lithium ion battery using lithium iron phosphate as the positive electrode material. Its characteristics are that it does not contain precious elements such as cobalt, the price of raw materials is low, and phosphorus and iron are abundant in the earth’s resources, so there will be no problem of supply. It has a moderate operating voltage (3.2V), large capacitance per unit weight (170 mAh/g), high discharge power, fast charging, long cycle life, and high stability in high temperature and high thermal environments.


Compared with the more common lithium cobalt oxide and lithium manganate batteries currently on the market, lithium iron phosphate batteries have at least the following five advantages: higher safety, longer service life, and no heavy metals and rare metals (raw materials). low cost), supports fast charging, and has a wide operating temperature range.


Lithium iron phosphate has some performance defects, such as low tap density and compaction density, resulting in low energy density of lithium-ion batteries; high cost of material preparation and battery manufacturing.

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CHONGQING FORWARD AUTO TECH CO.,LTD. has been engaged in the design, manufacturing and sales of electric tricycles, electric four-wheelers, electric scooters, as well as scooters for the elderly and disabled for more than 20 years. Glad to share our experience with you from 5 parts:

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