LFP Cathode Production Line

01. Primary Crushing Zone
02. Coarse Grinding Zone
03. Flotation Zone
04. Separation Zone
05. Sintering Zone
06. Acid Leaching Zone
07. Purification Zone
08. Crystallization Zone

09. Centrifugation Zone
10. Drying Zone
11. Screening and Demagnetization
12. Mixing Zone
13. Fine Grinding Zone
14. Spray Drying Zone
15. Pulverization Zone
16. Packaging Area

Solution Overview

Lithium iron phosphate（LFP）, as a highly safe, long-cycle life, low-cost lithium battery cathode material, is widely used in power batteries, energy storage batteries, consumer electronics, and other fields. The core objective of its production line is to convert raw materials into LFP powder that meets battery performance requirements through a series of processes.

140
mAh

Capacity:≥
93
%

First-effect:≥
2.5
g/cm²

Compaction density: 2≥

Parameters

Parameter Name	Typical Value/Requirement	Test Method
LiFePO₄ Purity	≥ 99.0% (mass fraction)	ICP-OES/XRF
Lithium Content (Li)	4.4-4.6 wt%	ICP-MS
Iron Content (Fe)	35.0-35.8 wt%	ICP-MS
Phosphorus Content (P)	19.0-19.8 wt%	Spectrophotometry
Moisture (H₂O)	≤ 500 ppm	Karl Fischer Titration
Sulfate Ions (SO₄²⁻)	≤ 200 ppm	Ion Chromatography
Magnetic Foreign Matter	≤ 50 ppb	Magnetic Detector
Heavy Metals	≤ 20 ppm	ICP-MS
Crystal Morphology	Olivine structure	XRD
Median Particle Size	0.5-2.0 μm	Laser Particle Size Analyzer
Specific Surface Area (SSA)	10-20 m²/g	BET Nitrogen Adsorption
Tapped Density	1.0-1.4 g/cm³	Tapped-Drum Bulk Density Tester
Pressed Density	2.2-2.6 g/cm³ (electrode sheet)	Pressure Tester
Carbon Coating Amount	1.0-3.0 wt%	TGA
Carbon Layer Uniformity	Continuous defect-free coating	TEM
Free Iron (Fe)	≤ 300 ppm	Atomic Absorption