3.6V is the highest voltage limit, but the battery will not stay at the top. This is normal, just like a 4.2V lithium battery, it will drop to around 4.18V after a while. being fully charged.
Lithium iron phosphate battery is a lithium ion battery that uses lithium iron phosphate (LiFePO4) as the positive electrode material and carbon as the negative electrode material. The nominal cell voltage is 3.2. V and the charging cut-off voltage is 3.6V~3.65V.
During the charging process, some lithium ions contained in lithium iron phosphate are released, transferred to the negative electrode through the electrolyte and embedded in the carbon material of the negative electrode at the same time, electrons are released; The positive electrode and reaches the negative electrode of the external circuit to maintain the balance of the chemical reaction.
During the die processcharge, lithium ions come out of the negative electrode and reach the positive electrode through the electrolyte. At the same time, the negative electrode releases electrons and reaches the positive electrode of the external circuit to supply. energy to the outside world.
Lithium iron phosphate batteries have the advantages of high operating voltage, high energy density, long life, good safety performance, low rate self-discharge and the absence of memory effect.
1. The working current of lithium iron phosphate battery is generally 1C, the maximum is 15C.
2. Charging current is the same as operating current, generally 1C, the maximum is 15C.
3. The general operating voltage of standard lithium iron phosphate batteries is 3.2V; the maximum operating voltage is 3.65 V.
Lithium iron phosphate:
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Lithium iron phosphate electrode material is mainly used in various lithium ion batteries. Since the Japanese NTT first revealed the olivine-structured lithium battery cathode material of AyMPO4 (A is an alkali metal, M is a combination of CoFe: LiFeCoPO4) in 1996, John B. Goodenough of the 'Texas State University in the United States in 1997 and others. research groups also subsequently reported the reversible transfer and desorption of lithium characteristics from LiFePO4.
The United States and Japan coincidentally published the structure of olivine (LiMPO4), which attracted great attention to this material and caused extensive research and rapid development. Compared with traditional lithium-ion secondary battery cathode materials, LiMn2O4 spinel structure and LiCoO2 layered structure, LiMPO4 has wider sources of raw materials, ischeaper and has no environmental pollution.
Lithium iron phosphate battery:
Lithium iron phosphate battery refers to a lithium ion battery using lithium iron phosphate as the positive electrode material. The cathode materials of lithium ion batteries mainly include lithium cobalt oxide, lithium manganate, lithium nickel oxide, ternary materials, lithium iron phosphate, etc. Among them, lithium cobalt oxide is the cathode material currently used in most lithium-ion batteries.