Battery-grade aluminum sulfate

Battery-grade aluminum sulfate can be used in the production of NCA lithium batteries. It is a white crystalline substance, soluble in water but insoluble in alcohol, and its aqueous solution is acidic. Compared with ordinary aluminum sulfate, battery-grade aluminum sulfate has higher purity and much lower content of metal ions such as Ca, Mg, Na, and Fe. It can be used as an aluminum source in the production of lithium battery raw materials to improve the stability of NCA lithium batteries.

Keywords:

Physical filtration, ion exchange, membrane filtration, storage system, auxiliary system

Product Description

[Product Name] Battery Grade Aluminum Sulfate
[Product Form] Flake, Granular, Powder
[Usage] Battery grade aluminum sulfate can be used in NCA lithium battery production. It is a white crystal, soluble in water but insoluble in alcohol, and the aqueous solution is acidic. Compared with ordinary aluminum sulfate, battery grade aluminum sulfate has higher purity and much lower content of metal ions such as Ca, Mg, Na, Fe. It can be used as an aluminum source in lithium battery raw material production to improve the stability of NCA lithium batteries.

ITEMS Test Items   SPECIFICATION    RESULTS Technical Indicators Test Results
Aluminum (Al) ≥8.0-9.0  8.72  
Iron (Fe) ≤0.0020  0.0015
Calcium (Ca) ≤0.0050  0.0011
Magnesium (Mg) ≤0.0050 0.0001
Manganese (Mn) ≤0.0050  0.0002
Zinc (Zn) ≤0.0010  0.0002  
Copper (Cu) ≤0.0050 0.0001
Cadmium (Cd) ≤0.0050  0.0001
Sodium (Na) ≤0.0200  0.020
Chromium (Cr) ≤0.0050  0.0002
Chromium (Cr) ≤0.0050 0.0002
Silicon (Si) ≤0.0010 0.0006
Phosphorus (P) ≤0.0050 0.0002
Potassium (K) ≤0.0050 0.0042
Heavy Metals (as Pb) ≤0.0010 0.0001
Water Insoluble Substances ≤0.02 0.01
Magnetic Substances ppb ≤200 176
pH ≥2.5 2.86
Chloride (Cl) ≤0.0020 0.0015
Packaging: Composite film woven bag or plastic-lined bag. 50kg/bag, 25kg/bag, 500kg/bag, ton bag or customized according to customer requirements.

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