Parameters of Guoxuan Hi-Tech lithium iron phosphate battery

Introduction The parameters of Guoxuan Hi-Tech lithium iron phosphate battery are energy density Wh/kg175, power density W/kg1200 and maximum discharge rate 2C. The parameter description of Guoxuan battery shows that Guoxuan battery

Parameters of Guoxuan Hi-Tech lithium iron phosphate battery

Energy density Wh/kg175, power density W/kg1200, maximum discharge rate 2C. The parameter description of Guoxuan battery shows that the parameters of Guoxuan Hi-Tech lithium iron phosphate battery are energy density Wh/kg175, power density W/kg1200, maximum discharge rate 2C and range charging temperature -10~55℃. A parameter, also called a parameter variable, is a variable. When studying the current problem, we care about changes in certain variables and the relationship between them. One or more of these are called independent variables.

Will lithium iron phosphate be damaged when discharged to 0 volts?

1. High energy density,

The theoretical specific capacity is 170 mAh/g, and the actual specific capacity of the product can exceed 140 mAh/g (0.2 C, 25 ° C);

2. Safety,

This is currently the lithium-ion battery cathode lis safer. material ; does not contain any substances harmful to the human body. Harmful heavy metal elements;

3.

Under 100% DOD conditions, it can be charged and discharged more than 2,000 times; (Reason: Lithium iron phosphate has good lattice stability, and the insertion and extraction of lithium ions has little effect on the lattice, so it has good reversibility. The disadvantage is that the electronic ion transfer rate is low, which is not suitable for high current charging and discharging. The solution is to cover the electrode surface with conductive materials and dope to modify the p electrode. >

4. No memory effect;

5. Charging performance,

Lithium batteries with lithium iron phosphate cathode material can be charged at high speeds. , as quickly as one hour Fully charge the battery inside. Specific physical parameters: Apparent density.te: 0.7 g/cm Packing density: 1.2 g/cm Median diameter: 2-6 um Specific surface area <30 m/g Smear parameters: LiFePo4:C:PVDF=90:3:7 Extreme packed density tablet size: 2.1-2.4 g/cm Electrochemical performance: Capacity in grams > 155 mAh/g Test conditions: half-cell, 0.2 C, voltage 4.0-2.0 V Number of cycles: 2000 times Domestic and international lithium iron phosphate material manufacturers: National: Yunnan Huilong, Tianjin Strand, Peking University, Hunan Ruixiang Iron Tiger Energy, Taiwan Changyuan, Taiwan Likai, Zhengzhou Langtai, Hangzhou Sainz, etc. International: Canadian Photech, American Valence, American A123, Japanese Sony Among them, the A123 is the largest and has been approved. by the American government.

Lithium iron phosphate will decompose when discharged to 0 volts. Overcharging and overdischarging will damage lithium iron phosphate batteries, causing damage ireversible to the battery. Overcharging will cause lithium dendrites and overdischarging will cause copper dendrites, both of which will cause short circuits, malfunctions and other problems in lithium batteries.

Therefore, lithium batteries require shallow charging and discharging. At present, when using lithium iron phosphate batteries, try to be as careful as possibleProtect the circuit to ensure safety. At the same time, lithium iron phosphate battery is a relatively safe type of lithium battery.

Performance of lithium iron phosphate:

1. High energy density

The theoretical specific capacity is 170 mAh/g, and the actual product capacity The specific capacity can exceed 140 mAh/g (0.2C, 25°C).

2. Safety

It is the safest lithium-ion battery cathode material; heIt contains no heavy metal elements harmful to the human body.

3. Long lifespan

Under 100% DOD conditions, it can be charged and discharged more than 2,000 times. Lithium iron phosphate has good lattice stability, and the insertion and extraction of lithium ions has little impact on the lattice, so it has good reversibility. The disadvantage is that the electrode has poor ionic conductivity and is not suitable for charging and discharging large currents, which hinders its application. Solution: Coat the electrode surface with conductive materials and dope to modify the electrode.

The lifespan of lithium iron phosphate batteries is closely related to its operating temperature. If the operating temperature is too low or too high, it will cause great hidden dangers in the processes of charging, discharge and use.

Especially when used in dFor electric vehicles in northern China, lithium iron phosphate batteries cannot provide normal power or the power supply is too weak in autumn and winter, and the temperature of the working environment needs to be adjusted to maintain its performance. . Home solutions to the constant temperature working environment of lithium iron phosphate batteries must consider space constraints. The most common solution is to use airgel felt as an insulation layer.

4. Charging performance

Lithium batteries with lithium iron phosphate cathode material can be charged at a high rate, and the battery can be fully charged in just 1 hour.

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