7784-18-1 | Aluminum fluoride (AlF₃)

Chemical type

• Inorganic fluoride
• Decomposition product of aluminum metaphosphate

Key properties

• Chemically stable
• Blocks hydrofluoric acid (HF) and electrolyte contact with cathode
• Enhances mechanical stability of CEI

• CEI component for cathode protection
• HF barrier layer in high-voltage batteries

Classification by use

• Inorganic passivation agents
• Battery interface stabilizers

A trustworthy factory and manufacturer

Demei Chemical Technology Co., Ltd. is a modern high-tech enterprise integrating R&D, production, and sales. The company's founder, Dr. Arron, born in April 1975, graduated from the School of Mechanical Engineering at Yanshan University and has been engaged in research in the fields of mechanical engineering and chemical synthesis for many years. The company's products focus on the chemical industry, primarily dealing in chemical raw materials and chemical production machinery and equipment. With its strong technical capabilities, advanced production equipment, and strict quality management system, the company has earned the trust of customers worldwide.

1. Aluminum metaphosphate-derived CEI suppresses interfacial degradation of NCM811 at 4.5 V and 60 °C, Electrochemistry Communications, Volume 184, March 2026, 108114