OQ Chemicals (OQC) has introduced Oxvolt S221, a new water-based co-solvent designed to prevent cracking in high-energy electrodes used in lithium-ion batteries. This innovative product is particularly beneficial for the automotive industry, which demands durable and environmentally friendly battery solutions for e-mobility.

Oxvolt S221: Revolutionizing Graphite Anodes

Oxvolt S221 is ideal for high energy graphite anodes and is already approved by several battery cell manufacturers. Acting as a film-forming agent, it ensures a uniform coating, enhancing electrode processing and reducing production failures compared to conventional methods. Oxvolt S221 reduces slurry viscosity, optimizing mixing and improving electrode quality during initial drying.

Biodegradable and Non-Toxic Solution

Unlike N-methylpyrrolidone, Oxvolt S221 is readily biodegradable and non-toxic. It dissolves in water and acts as a co-solvent, evaporating completely during drying. This feature makes it a safer and more sustainable choice for battery production.

Successful Pilot Testing

A pilot test at CustomCells in Itzehoe demonstrated Oxvolt S221’s potential to enhance graphite anode production efficiency. The new solvent showed no detrimental effects on battery cell performance or lifespan, even after extensive charge cycle aging tests.

Support for LFP Cathodes

Oxvolt S221 also improved processability of LFP cathodes in water-based applications, contributing to the development of high-performance and eco-friendly batteries for electric vehicles.

Local Manufacturing for Secure Supply Chains

OQ Chemicals produces Oxvolt S221 in the USA, supporting a stable supply chain for western industries. It meets the Inflation Reduction Act requirements for U.S. customers. Furthermore, OQ Chemicals backs the EU Battery Passport initiative, promoting traceability and circular economy practices in chemical use.

OQ Chemicals is a leading global manufacturer of Oxo Intermediates and Oxo Performance Chemicals, with applications across various industries, including coatings, lubricants, and pharmaceuticals.

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