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Lithium Iron Phosphate Battery

Lithium vanadium iron phosphate battery is a lithium ion battery composed of lithium vanadium iron phosphate material with olivine structure and a variety of substances. The positive active material lithium vanadium iron phosphate material is coated on the fluid collecting aluminum foil and connected to the positive terminal of the battery. The negative electrode of the battery is composed of carbon (graphite) and other substances which are active substances coated on the fluid collecting copper foil, and connected with the negative terminal of the battery. Between the positive and negative terminals is a polymer diaphragm. Lithium ion Li+ in the electrolyte can pass through the diaphragm, but electronic e- cannot pass through. When the battery is charged, the lithium ions in the positive material pass through the electrolyte, pass through the diaphragm and become embedded in the negative carbon material. Battery discharge, lithium ion and from the negative electrode out, through the diaphragm back to the cathode material and the external circuit of the electron e- combination, lithium ion battery in charge and discharge is positive and negative lithium ion embedding and unembedding process and reciprocating migration process, so iron phosphate lithium vanadium lithium ion battery is also known as "rocking chair battery".

Technical features:

    ■ The normal working voltage of a single battery is 3.2V, and the discharge voltage is stable;
    ■ High energy density, high gram density, high volume density;
    ■ Long cycle life;
    ■ Strong resistance to overcharging and discharging;
    ■ No memory effect;
    ■ Low self-discharge rate, monthly self-discharge rate ≤3%;

Application field:

    ■ Pure power cars, hybrid cars
    ■ Communication system
    ■ Electric power system
    ■ Large energy storage power station
    ■ Power grid peak regulating system
    ■ Backup power supply for large UPS/EPS system