Ammonium Persulfate is a highly efficient inorganic peroxysalt and radical initiator, renowned for its unique redox characteristics, thermal activation properties, and environmental compatibility. It holds strategic value in modern chemical and new material sectors. Its production employs advanced diaphragm electrolysis technology, achieving a balance between high yield and low energy consumption through precise control of current density and electrolyte concentration.
❋ Aliases: Ammonium Peroxydisulfate, APS
❋ English Name: Ammonium Persulfate
❋ Chemical Formula: (NH₄)₂S₂O₈
❋ Molecular Weight: 228.20
❋ CAS Number: 7727-54-0
Key Properties: Strong oxidizing capacity, thermal decomposition releasing free radicals, good aqueous solution stability, high redox potential
Frontier Application Scenarios
"Precision Treatment Specialist" in Electronic Chemicals
Chip copper interconnect cleaning: Removes copper wire surface oxides and organic residues in semiconductor manufacturing;
Display panel etching: Used for precision micro-etching of electrode patterns in OLED panels.
"Performance Enhancer" for New Energy Materials
Supercapacitor electrode activation: Enhances specific surface area and wettability of carbon-based electrodes through oxidative treatment;
Lithium-sulfur battery separator modification: Performs surface treatment on commercial separators to suppress polysulfide shuttling.
"Active Source" in Green Catalytic Systems
Visible light catalysis enhancement: Synergizes with photocatalysts like g-C₃N₄ to generate hydroxyl radicals;
Enzyme catalysis promotion: Serves as electron acceptor in laccase/mediator systems to improve catalytic efficiency.
"Reaction Regulator" in Intelligent Manufacturing
4D printing material programming: Constructs reversible redox-responsive sites in shape memory polymers;
Smart coating curing: Functions as trigger in temperature-sensitive curing systems to achieve coating self-healing functionality.
Technological Breakthroughs and Sustainable Development
Nanocrystal preparation: Adopts high-gravity crystallization technology to obtain nanoscale products, significantly improving dissolution and reaction rates;
Composite initiation systems: Constructs oxygen-sensitive initiation systems with organoborates, suitable for anaerobic environment polymerization;
Process safety enhancement: Develops online concentration monitoring and temperature control systems to ensure storage and usage safety;
Circular economy model: Establishes recovery and purification processes for ammonium persulfate from waste liquids to achieve efficient resource utilization.