Silicon Nitride Nanoparticles Battery Anode Active Material

SiNx is an anode active material especially developed for durability and low volume expansion with high energy density.

Function: anode material; active material; capacity-increasing; durability

SKU: PCC10301
SiNx is an amorphous silicon-based anode active material developed for durability. Depending on its composition cycle life can reach far above 500 cycles.

Distinged properties for battery applications

• Nanosized, silicon-rich silicon nitride
• Enhanced stability provided by in-situ conversion of silicon nitride
• Naturally reduced volume expansion
• Encapsulation in C-matrix possible for further stability improvement

Product name Silicon nitride nanoparticles
Composition 60-95 wt.-% silicon
Depending on requirement
Particle size distribution (PSD) 50-150 nm (larger nanoparticles possible)
Color Beige-lightbrown
Form Dry powder
Particle Shape Spherical
Synonymous Silicon nitride, Nanoparticles
Function Lithium-Ion Battery Anode Active Material
Specific surface (BET) 20-35 m²/g
Specific discharge capacity (mAh/g on active material level) 800-1500 mAh/g @ 1/20 C; 0.01-1.2 V
Initial coulombic efficiency 50-75%
Cyclelife/ SoH80 ICE >60%
3rd cycle >99.5%
Cyclelife/ SoH80 >500 cycles

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Silicon is a versatile material that is used in a variety of industries, including the solar, aluminum and chemical industries.