Certification Of Lithium Iron Phosphate Positive Electrode Material Testing

Battery positive electrode material detection
Test introduction
Lithium-ion battery is an important type of battery, widely used in electric vehicles, smart phones and other fields. Lithium iron phosphate is a commonly used positive electrode material with advantages such as high energy density and good cycle life, so it has been widely studied and applied. Testing lithium iron phosphate positive electrode materials can evaluate their performance and quality and ensure the safety and stability of the battery.
Test items
The test items of carbon composite lithium iron phosphate positive electrode materials for lithium-ion batteries include: particle size, pH value, BET specific surface area, tap density, powder compaction density, carbon content, lithium content, iron content, phosphorus content, crystal structure, conductivity determination, and iron ion dissolution rate.

Test method
Preparation of lithium iron phosphate samples: The powder of the sample to be tested is processed, usually grinding and sieving are required to obtain uniform and fine particles.
Solution preparation: Acidic, alkaline and redox solutions are prepared according to experimental needs.
Use of reagents: According to the experimental method, the sample is reacted with different reagents to observe and record the changes during the reaction.
Use of instruments: According to the experimental requirements, different instruments are used for data measurement and analysis.
Related standards
GB/T 41704-2022 Lithium-ion battery positive electrode material detection method Determination of magnetic foreign matter content and residual alkali content
GB/T 30835-2014 Carbon composite lithium iron phosphate positive electrode material for lithium-ion batteries
T/QGCML 654—2023 Lithium iron phosphate new energy power battery Special iron for positive electrode material
T/DZJN 112-2022 Green design product evaluation technical specification lithium-ion battery multi-composite positive electrode material
T/QGCML 306-2022 Sodium-ion battery positive electrode material
T/FSYY 0035-2021 Carbon emission reduction process technical specification lithium-ion battery positive electrode material
T/FSYY 0037-2021 Carbon emission accounting method and reporting requirements lithium-ion battery positive electrode material manufacturers
T/FSYY 0028-2021 Product carbon footprint accounting and reporting requirements Lithium-ion battery cathode material precursors
T/FSYY 0036-2021 Carbon emission reduction process technical specifications Lithium-ion battery cathode material precursors
T/FSYY 0027-2021 Product carbon footprint accounting and reporting requirements Lithium-ion battery cathode materials
T/FSYY 0038-2021 Carbon emission accounting methods and reporting requirements Lithium-ion battery cathode material precursor manufacturers
T/CEEIA 506-2021 Green factory evaluation requirements for positive electrode materials of lithium-ion batteries

And so on....
Test equipment
Related equipment for testing and analyzing raw materials of lithium batteries includes:

Main equipment:

Scanning electron microscope (SEM-EDX)
X-ray diffractometer (XRD)
High-frequency infrared carbon and sulfur tester
Inductively coupled plasma emission spectrometer (ICP-OES)
Inductively coupled plasma mass spectrometer (ICP-MS)
Ion chromatograph (IC)
Gas/liquid chromatography-mass spectrometer (GC-MS)
Fourier transform infrared spectrometer (FTIR)
High performance liquid chromatograph (HPLC)
Thermogravimetric analyzer (TGA)
Differential scanning calorimeter (DSC)

Other equipment:

Specific surface area tester
True density meter
Bulk density meter
Laser particle size analyzer
Conductivity meter
Automatic potentiometric titrator
PH meter
Powder compaction density meter

About Us

Shenzhen LCS Compliance Testing Laboratory Ltd., abbr. for LCS, was founded in 2004 in Shenzhen, LCS is now growing into an independent comprehensive third-party institution which focuses on test & certification. Profound technical background and diligent working attitude decided LCS with an outstanding high starting point from the outset，pioneering spirit and consciousness of keeping pace with the times which predestined the thoroughly tempered course of LCS.

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LCS Founding Members have engineering background and had gradually built up Safety Lab, EMC Lab, RF Lab, SAR & HAC Lab, Reliability Lab, Lighting Electrical Lab, LED Lighting Performance Lab, Energy Efficiency Lab, Electronic Cigarette Testing Lab, Chemistry Lab, BQTF, Environmental and Occupational Evaluation Lab, Battery Lab, Toy Lab, Textile Lab, Food and Food Grade Material Lab. The establishment of our comprehensive labs ensure our test and certification scope covers almost all fields, such as Reliability and Safety test, EMC test, Chemical Hazardous Substances test, Material Analysis, Food Contact Material test, Bluetooth Test & Certification, Environment and Occupational Health, Performance test of spare parts of Automobile and so on.

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Moreover, LCS won many authorized qualifications both domestic and overseas. LCS is recognized as IEC/ISO17025 laboratories accepted by CNAS and NVLAP, accredited by CPSC, CMA, accredited for CQC, ISTA, CBTL, SASO, SABS. Meanwhile LCS become laboratory authorized by TUV, BQTF issued by the SIG. LCS had also signed cooperation agreements with FCC, ISED, ETL, CEC, UL, E-Mark, CETECOM, KTC, SAA Approval and many other authoritative institutions, hence we can provide our clients with efficient and professional service for product test and certification.

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