Vanisperse LI

The Organic Additive

Vanisperse LI

Vanisperse LI is a highly effective dispersant for conductive carbon and active material in water-based electrode slurries. Our bio-based additive effectively reduces slurry viscosity, enabling higher solid content and smoother processing in battery cell manufacturing. These enhancements lead to increased production throughput and significant cost savings in terms of energy and time.

Optimised particle dispersion is essential for electrode performance. Vanisperse LI ensures a uniform and homogeneous distribution of active materials while delivering excellent slurry stability. Our dispersant is highly effective at preventing the agglomeration of conductive carbons, such as high-surface-area carbon black and carbon nanotubes (CNTs). Improved particle dispersion, combined with increased mass loading, enhances conductivity and electrode areal capacity. Additionally, it provides the ability to modify the pore structure and adjust the density of the electrode coating.

Vanisperse LI has also been proven to perform effectively with innovative technologies, such as silicon anode formulations. Derived from Norway spruce, Vanisperse LI offers a more sustainable and environmentally friendly alternative to synthetic dispersants, contributing to the reduction of your Scope 3 emissions.

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vanisperseli

Technical Bulletin: Dispersion of Carbon Nanotubes with Vanisperse LI 

Borregaard’s bio-based battery additives are designed for use in water-based electrode slurries and to stabilize aqueous carbon nanotube (CNT) dispersions. Obtained from sustainably sourced wood, our products are non-toxic, environmentally friendly, and highly effective.

Vanisperse LI provides a uniquely sustainable alternative and affords a lower CO2 footprint than petroleum-derived additives. Efficient dispersion of CNTs is critical for achieving uniform electrode composition and optimal battery performance. Sustainable water-soluble dispersants are essential to de-agglomerate CNTs in water, preventing the hydrophobic carbons from reforming agglomerates. 


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