Basic classification of pure electric vehicle batteries:

　　Pure electric vehicle rechargeable batteries Rechargeable batteries are classified in many ways. According to the electrolyte of lithium battery, it is divided into:

　　a.Alkaline battery. Lithium battery electrolyte is an alkaline aqueous solution for rechargeable batteries;

　　b.Acid battery. Lithium batteries are batteries whose electrolyte is an acidic aqueous solution;

　　c. Neutral battery. Lithium battery electrolytes are rechargeable batteries with a neutralizing solution;

　　d. Rechargeable batteries of organic chemical solutions. Lithium battery electrolyte is an organic chemical solution for rechargeable batteries.

　　According to the existence mode of active substances, they are divided into:

　　a. Active material is stored on the level. It can be divided into primary batteries (non-remolded, original battery reactions) and secondary batteries (remolded, batteries);

　　b. Active substances continuously provide energy levels. Can be divided into non-remanufactured lithium batteries and remanufactured lithium batteries.

　　According to the characteristics of rechargeable batteries:

　　a. Large-capacity rechargeable battery;

　　b. Maintenance-free rechargeable battery;

　　c. Sealed rechargeable battery;

　　d. Burning junction battery;

　　e. Explosion-proof rechargeable battery;

　　f. Button batteries, rectangular batteries, cylindrical rechargeable batteries, etc.

　　Although the types of chemical power supplies cannot be unified, their main uses are common and their appearance designs are different, but they are divided into four categories according to their working content and storage methods.

　　primary battery

　　A primary battery, also known as a primary battery, means that after charging and discharging, the battery charging method cannot be used to restore the battery. In other words, such rechargeable batteries are used only once, after charging and discharging, they are simply discarded. This rechargeable battery cannot be recharged as the battery is charged, either reflecting its irreversibility, or standard limitations making it difficult to perform a reversible reaction. For example:

　　Zinc-manganese dry battery Zn│NH4Cl·ZnCl2│MnO2(C)

　　Zinc-mercury battery Zn│KOH│HgO

　　Silver zinc battery Zn│KOH│Ag2O

　　secondary battery

　　A secondary battery, also known as a storage battery, is a rechargeable battery that can be charged and re-discharged by charging and discharging active materials. This rechargeable battery is actually an organic chemical kinetic energy storage device, and the rechargeable battery is filled with DC power. For example:

　　Lead-acid battery pb│H2SO4│pbO2

　　Nickel cadmium battery Cd│KOH│NiOOH

　　Nickel metal hydride battery H2│KOH│NiOOH

　　Lithium ion battery LiCoO2│Organic solvent│6C

　　Zinc air battery Zn│KOH│O2 (air)

　　Reserve battery

　　The reserve battery, also known as the activation battery, is a rechargeable battery with positive and negative active materials and lithium battery electrolysis, without direct contact. The organic chemical mold of the positive and negative active materials of this rechargeable battery or the life of the lithium battery is mainly eliminated due to the protection of the electrolyte by the lithium battery, so the rechargeable battery can be stored for a long time. For example:

　　mgcl2agcl battery

　　cali) battery

　　PBHCLO4PBO2 for lead perchloric acid rechargeable batteries

　　Power lithium battery

　　However, material-powered lithium batteries are also called continuously rechargeable batteries, that is, active materials are continuously introduced into rechargeable batteries, which can achieve long-term continuous charging and discharging of batteries. Its characteristic is that the rechargeable battery itself is just a medium that can be used as a rechargeable battery. When the generator needs electromagnetic energy, it is delivered to the rechargeable battery from the outside. For example:

　　Hydrogen2koho2

　　Hydrazine fuel cell N2H4│KOH│O2 (air)

　　It must be emphasized that the classification method does not mean that the rechargeable battery management system has only one primary battery, secondary battery, reserve rechargeable battery or power lithium battery. In turn, the rechargeable battery management system can design different types of rechargeable batteries based on this idea. For example, zinc and silver batteries can be designed as a primary battery, as a secondary battery, or as a storage rechargeable battery.

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